bnx2x_link.c 240.0 KB
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/* Copyright 2008-2011 Broadcom Corporation
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 *
 * Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2, available
 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
 *
 * Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a
 * license other than the GPL, without Broadcom's express prior written
 * consent.
 *
 * Written by Yaniv Rosner
 *
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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

#include "bnx2x.h"

/********************************************************/
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#define ETH_HLEN			14
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/* 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 BMAC_CONTROL_RX_ENABLE		2
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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_12G_HIG \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
#define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
#define GP_STATUS_13G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
#define GP_STATUS_15G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
#define GP_STATUS_16G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
#define GP_STATUS_10G_KX4 \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4

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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
#define LINK_12GTFD		LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
#define LINK_12GXFD		LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
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#define LINK_12_5GTFD		LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
#define LINK_12_5GXFD		LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
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#define LINK_13GTFD		LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
#define LINK_13GXFD		LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
#define LINK_15GTFD		LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
#define LINK_15GXFD		LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
#define LINK_16GTFD		LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
#define LINK_16GXFD		LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
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#define PHY_XGXS_FLAG			0x1
#define PHY_SGMII_FLAG			0x2
#define PHY_SERDES_FLAG			0x4

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/* */
#define SFP_EEPROM_CON_TYPE_ADDR		0x2
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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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#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
#define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
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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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/******************************************************************/
/*				ETS section			  */
/******************************************************************/
void bnx2x_ets_disabled(struct link_params *params)
{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;

	DP(NETIF_MSG_LINK, "ETS disabled configuration\n");

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	/*
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	 * mapping between entry  priority to client number (0,1,2 -debug and
	 * 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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	/*
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	 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
	 * COS0 entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2   bit1	  bit0
	 * MCP and debug are strict
	 */

	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
	/* defines which entries (clients) are subjected to WFQ arbitration */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
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	/*
	 * For strict priority entries defines the number of consecutive
	 * slots for the highest priority.
	 */
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	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
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	/*
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	 * mapping between the CREDIT_WEIGHT registers and actual client
	 * 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);
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	/*
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	 * If ETS mode is enabled (there is no strict priority) defines a WFQ
	 * 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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static void bnx2x_ets_bw_limit_common(const struct link_params *params)
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{
	/* ETS disabled configuration */
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
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	/*
	 * defines which entries (clients) are subjected to WFQ arbitration
	 * COS0 0x8
	 * COS1 0x10
	 */
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	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
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	/*
	 * mapping between the ARB_CREDIT_WEIGHT registers and actual
	 * 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
	 */
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	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);
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	/*
	 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * 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
	 */
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	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");

	if ((0 == total_bw) ||
	    (0 == cos0_bw) ||
	    (0 == cos1_bw)) {
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		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
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		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)
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{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;
	u32 val	= 0;

	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
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	/*
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	 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * 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);
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	/*
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	 * For strict priority entries defines the number of consecutive slots
	 * 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);

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	/*
	 * mapping between entry  priority to client number (0,1,2 -debug and
	 * 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
	 */
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	val = (0 == strict_cos) ? 0x2318 : 0x22E0;
	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);

	return 0;
}
/******************************************************************/
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/*			PFC section				  */
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/******************************************************************/

static void bnx2x_bmac2_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 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;

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

	REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
					pfc_frames_sent, 2);

	REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
					pfc_frames_received, 2);

}
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;
}

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;
	u32 val	= 0;
	DP(NETIF_MSG_LINK, "pfc statistic\n");

	if (!vars->link_up)
		return;

	val = REG_RD(bp, MISC_REG_RESET_REG_2);
	if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
	    == 0) {
		DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
		bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
					pfc_frames_received);
	} else {
		DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
		bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
					 pfc_frames_received);
	}
}
/******************************************************************/
/*			MAC/PBF section				  */
/******************************************************************/
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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);
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
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	do {
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		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
		if (!timeout) {
			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
			return;
		}
		timeout--;
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	} while (val & EMAC_MODE_RESET);
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	/* Set mac address */
	val = ((params->mac_addr[0] << 8) |
		params->mac_addr[1]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
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	val = ((params->mac_addr[2] << 24) |
	       (params->mac_addr[3] << 16) |
	       (params->mac_addr[4] << 8) |
		params->mac_addr[5]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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}

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static int bnx2x_emac_enable(struct link_params *params,
			      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");

	/* 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 &
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				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
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		DP(NETIF_MSG_LINK, "XGXS\n");
		/* select the master lanes (out of 0-3) */
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		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
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		/* select XGXS */
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		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
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	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "SerDes\n");
		/* select SerDes */
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		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
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	}

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	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
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		      EMAC_RX_MODE_RESET);
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	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
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		      EMAC_TX_MODE_RESET);
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	if (CHIP_REV_IS_SLOW(bp)) {
		/* config GMII mode */
		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
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		EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
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	} else { /* ASIC */
		/* 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,
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			       (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);
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	}

	/* KEEP_VLAN_TAG, promiscuous */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
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	/*
	 * Setting this bit causes MAC control frames (except for pause
	 * 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.
	 */
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	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;
	}
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	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
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	/* Set Loopback */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
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	/* enable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);

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

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

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

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

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

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	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
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	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}

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static void bnx2x_update_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);

	/* tx control */
	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)
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{
	/*
	 * Set rx control: Strip CRC and enable BigMAC to relay
	 * control packets to the system as well
	 */
	u32 wb_data[2];
	struct bnx2x *bp = params->bp;
	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 val = 0x14;
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	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
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		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
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	udelay(30);
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	/* Tx control */
	val = 0xc0;
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	if (!(params->feature_config_flags &
				FEATURE_CONFIG_PFC_ENABLED) &&
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
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		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
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	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");
		/* disable PFC RX & TX & STATS and set 8 COS */
		wb_data[0] = 0x8;
		wb_data[1] = 0;
	}

	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
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	/*
	 * Set Time (based unit is 512 bit time) between automatic
	 * 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.
	 */
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	val = 0x8000;
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	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= (1<<16); /* enable automatic re-send */

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	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
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		    wb_data, 2);
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	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
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	/* When PFC enabled, Pass pause frames towards the NIG. */
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= ((1<<6)|(1<<5));
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	wb_data[0] = val;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
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}

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static void bnx2x_update_pfc_brb(struct link_params *params,
		struct link_vars *vars,
		struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
	struct bnx2x *bp = params->bp;
	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;

	/* default - pause configuration */
	u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
	u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
	u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
	u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;

	if (set_pfc && pfc_params)
		/* First COS */
		if (!pfc_params->cos0_pauseable) {
			pause_xoff_th =
			  PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
			pause_xon_th =
			  PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
			full_xoff_th =
			  PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
			full_xon_th =
			  PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
		}
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	/*
	 * The number of free blocks below which the pause signal to class 0
	 * of MAC #n is asserted. n=0,1
	 */
793
	REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
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	/*
	 * The number of free blocks above which the pause signal to class 0
	 * of MAC #n is de-asserted. n=0,1
	 */
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	REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
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	/*
	 * The number of free blocks below which the full signal to class 0
	 * of MAC #n is asserted. n=0,1
	 */
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	REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
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	/*
	 * The number of free blocks above which the full signal to class 0
	 * of MAC #n is de-asserted. n=0,1
	 */
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	REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);

	if (set_pfc && pfc_params) {
		/* Second COS */
		if (pfc_params->cos1_pauseable) {
			pause_xoff_th =
			  PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
			pause_xon_th =
			  PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
			full_xoff_th =
			  PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
			full_xon_th =
			  PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
		} else {
			pause_xoff_th =
			  PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
			pause_xon_th =
			  PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
			full_xoff_th =
			  PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
			full_xon_th =
			  PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
		}
831
		/*
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		 * The number of free blocks below which the pause signal to
		 * class 1 of MAC #n is asserted. n=0,1
834
		 */
835
		REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
836
		/*
837 838
		 * The number of free blocks above which the pause signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
839
		 */
840
		REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
841
		/*
842 843
		 * The number of free blocks below which the full signal to
		 * class 1 of MAC #n is asserted. n=0,1
844
		 */
845
		REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
846
		/*
847 848
		 * The number of free blocks above which the full signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
849
		 */
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		REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
	}
}

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;
	u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
	u32 pkt_priority_to_cos = 0;
	u32 val;
	struct bnx2x *bp = params->bp;
	int port = params->port;
	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;
	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");

868
	/*
869 870 871 872 873 874 875
	 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
	 * MAC control frames (that are not pause packets)
	 * will be forwarded to the XCM.
	 */
	xcm_mask = REG_RD(bp,
				port ? NIG_REG_LLH1_XCM_MASK :
				NIG_REG_LLH0_XCM_MASK);
876
	/*
877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
	 * nig params will override non PFC params, since it's possible to
	 * do transition from PFC to SAFC
	 */
	if (set_pfc) {
		pause_enable = 0;
		llfc_out_en = 0;
		llfc_enable = 0;
		ppp_enable = 1;
		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
		xcm0_out_en = 0;
		p0_hwpfc_enable = 1;
	} else  {
		if (nig_params) {
			llfc_out_en = nig_params->llfc_out_en;
			llfc_enable = nig_params->llfc_enable;
			pause_enable = nig_params->pause_enable;
		} else  /*defaul non PFC mode - PAUSE */
			pause_enable = 1;

		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
		xcm0_out_en = 1;
	}

	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);

	REG_WR(bp,  NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);

	/* output enable for RX_XCM # IF */
	REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);

	/* HW PFC TX enable */
	REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);

	/* 0x2 = BMAC, 0x1= EMAC */
	switch (vars->mac_type) {
	case MAC_TYPE_EMAC:
		val = 1;
		break;
	case MAC_TYPE_BMAC:
		val = 0;
		break;
	default:
		val = 0;
		break;
	}
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);

	if (nig_params) {
		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;

		REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
		       NIG_REG_P0_RX_COS0_PRIORITY_MASK,
		       nig_params->rx_cos0_priority_mask);

		REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
		       NIG_REG_P0_RX_COS1_PRIORITY_MASK,
		       nig_params->rx_cos1_priority_mask);

		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);
}


void bnx2x_update_pfc(struct link_params *params,
		      struct link_vars *vars,
		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
966
	/*
967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003
	 * The PFC and pause are orthogonal to one another, meaning when
	 * 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;

	/* update NIG params */
	bnx2x_update_pfc_nig(params, vars, pfc_params);

	/* update BRB params */
	bnx2x_update_pfc_brb(params, vars, pfc_params);

	if (!vars->link_up)
		return;

	val = REG_RD(bp, MISC_REG_RESET_REG_2);
	if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
	    == 0) {
		DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
		bnx2x_emac_enable(params, vars, 0);
		return;
	}

	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
	if (CHIP_IS_E2(bp))
		bnx2x_update_pfc_bmac2(params, vars, 0);
	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);
}
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static int bnx2x_bmac1_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
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{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
	u32 val;

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	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
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	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
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	/* tx MAC SA */
	wb_data[0] = ((params->mac_addr[2] << 24) |
		       (params->mac_addr[3] << 16) |
		       (params->mac_addr[4] << 8) |
			params->mac_addr[5]);
	wb_data[1] = ((params->mac_addr[0] << 8) |
			params->mac_addr[1]);
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
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	/* mac control */
	val = 0x3;
	if (is_lb) {
		val |= 0x4;
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
	wb_data[0] = val;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
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	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
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1048
	bnx2x_update_pfc_bmac1(params, vars);
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	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
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	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
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	/* configure safc */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
		    wb_data, 2);
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	return 0;
}

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static int bnx2x_bmac2_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
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{
	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;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
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	udelay(30);

	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
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	udelay(30);

	/* tx MAC SA */
	wb_data[0] = ((params->mac_addr[2] << 24) |
		       (params->mac_addr[3] << 16) |
		       (params->mac_addr[4] << 8) |
			params->mac_addr[5]);
	wb_data[1] = ((params->mac_addr[0] << 8) |
			params->mac_addr[1]);
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
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		    wb_data, 2);
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	udelay(30);

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

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

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
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	udelay(30);
	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
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	udelay(30);
1129
	bnx2x_update_pfc_bmac2(params, vars, is_lb);
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	return 0;
}

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static int bnx2x_bmac_enable(struct link_params *params,
			     struct link_vars *vars,
			     u8 is_lb)
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{
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	int rc = 0;
	u8 port = params->port;
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	struct bnx2x *bp = params->bp;
	u32 val;
	/* reset and unreset the BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
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	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1145
	msleep(1);
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	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
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	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
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	/* enable access for bmac registers */
	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);

	/* Enable BMAC according to BMAC type*/
	if (CHIP_IS_E2(bp))
		rc = bnx2x_bmac2_enable(params, vars, is_lb);
	else
		rc = bnx2x_bmac1_enable(params, vars, is_lb);
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	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
	val = 0;
1162 1163 1164
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
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		val = 1;
	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);

	vars->mac_type = MAC_TYPE_BMAC;
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	return rc;
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}


static void bnx2x_update_mng(struct link_params *params, u32 link_status)
{
	struct bnx2x *bp = params->bp;
1181

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

static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
{
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
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			NIG_REG_INGRESS_BMAC0_MEM;
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	u32 wb_data[2];
1192
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
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	/* Only if the bmac is out of reset */
	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
	    nig_bmac_enable) {

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

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

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

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

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

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

1251
	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
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	    line_speed == SPEED_10 ||
	    line_speed == SPEED_100 ||
	    line_speed == SPEED_1000 ||
	    line_speed == SPEED_2500) {
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
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		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
		/* update init credit */
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		init_crd = 778;		/* (800-18-4) */
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	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
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		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
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		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
		/* update init credit */
		switch (line_speed) {
		case SPEED_10000:
			init_crd = thresh + 553 - 22;
			break;

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

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

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

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

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

1305 1306
/**
 * bnx2x_get_emac_base - retrive emac base address
1307
 *
1308 1309 1310
 * @bp:			driver handle
 * @mdc_mdio_access:	access type
 * @port:		port id
1311 1312 1313 1314 1315 1316 1317 1318 1319
 *
 * 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
 */
1320 1321
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
Y
Yaniv Rosner 已提交
1322
{
1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333
	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
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		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
Y
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1338
		break;
1339 1340 1341 1342
	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
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		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
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1344 1345 1346 1347 1348 1349 1350 1351
		break;
	default:
		break;
	}
	return emac_base;

}

1352 1353 1354
/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
Y
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static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			    u8 devad, u16 reg, u16 val)
Y
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1357 1358
{
	u32 tmp, saved_mode;
Y
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1359 1360
	u8 i;
	int rc = 0;
1361 1362
	/*
	 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Y
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1363 1364
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
E
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1365

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

	/* address */

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	tmp = ((phy->addr << 21) | (devad << 16) | reg |
Y
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1378 1379
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
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1380
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
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1381 1382 1383 1384

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

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1385
		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
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		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
1393
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
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		rc = -EFAULT;
	} else {
		/* data */
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1397
		tmp = ((phy->addr << 21) | (devad << 16) | val |
Y
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1398 1399
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
		       EMAC_MDIO_COMM_START_BUSY);
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1400
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
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1401 1402 1403 1404

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

Y
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1405
			tmp = REG_RD(bp, phy->mdio_ctrl +
Y
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1406
				     EMAC_REG_EMAC_MDIO_COMM);
Y
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1407 1408 1409 1410 1411 1412 1413
			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");
1414
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
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			rc = -EFAULT;
		}
	}

	/* Restore the saved mode */
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1420
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Y
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1421 1422 1423 1424

	return rc;
}

Y
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1425 1426
static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
			   u8 devad, u16 reg, u16 *ret_val)
Y
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1427 1428 1429
{
	u32 val, saved_mode;
	u16 i;
Y
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1430
	int rc = 0;
1431 1432
	/*
	 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Y
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1433 1434
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
E
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1435

Y
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1436 1437
	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
Y
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1438
			      EMAC_MDIO_MODE_CLOCK_CNT));
Y
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1439
	val |= (EMAC_MDIO_MODE_CLAUSE_45 |
1440
		(49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
Y
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1441 1442
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
	REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Y
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1443 1444 1445
	udelay(40);

	/* address */
Y
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1446
	val = ((phy->addr << 21) | (devad << 16) | reg |
Y
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1447 1448
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
Y
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1449
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
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1450 1451 1452 1453

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

Y
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1454
		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Y
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1455 1456 1457 1458 1459 1460 1461
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");
1462
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
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1463 1464 1465 1466 1467
		*ret_val = 0;
		rc = -EFAULT;

	} else {
		/* data */
Y
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1468
		val = ((phy->addr << 21) | (devad << 16) |
Y
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1469 1470
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
		       EMAC_MDIO_COMM_START_BUSY);
Y
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1471
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
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1472 1473 1474 1475

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

Y
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1476
			val = REG_RD(bp, phy->mdio_ctrl +
Y
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1477
				     EMAC_REG_EMAC_MDIO_COMM);
Y
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1478 1479 1480 1481 1482 1483 1484
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
				break;
			}
		}
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "read phy register failed\n");
1485
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
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1486 1487 1488 1489 1490 1491
			*ret_val = 0;
			rc = -EFAULT;
		}
	}

	/* Restore the saved mode */
Y
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1492
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Y
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1493 1494 1495 1496

	return rc;
}

Y
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1497 1498
int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 *ret_val)
Y
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1499 1500
{
	u8 phy_index;
1501
	/*
Y
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1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514
	 * Probe for the phy according to the given phy_addr, and execute
	 * the read request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_read(params->bp,
					       &params->phy[phy_index], devad,
					       reg, ret_val);
		}
	}
	return -EINVAL;
}

Y
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1515 1516
int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		    u8 devad, u16 reg, u16 val)
Y
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1517 1518
{
	u8 phy_index;
1519
	/*
Y
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1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532
	 * Probe for the phy according to the given phy_addr, and execute
	 * the write request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_write(params->bp,
						&params->phy[phy_index], devad,
						reg, val);
		}
	}
	return -EINVAL;
}

D
Dmitry Kravkov 已提交
1533 1534
static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
				   struct bnx2x_phy *phy)
Y
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1535 1536
{
	u32 ser_lane;
D
Dmitry Kravkov 已提交
1537 1538
	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
Y
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1539 1540 1541 1542
	ser_lane = ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

D
Dmitry Kravkov 已提交
1543 1544
	offset = phy->addr + ser_lane;
	if (CHIP_IS_E2(bp))
1545
		aer_val = 0x3800 + offset - 1;
D
Dmitry Kravkov 已提交
1546 1547
	else
		aer_val = 0x3800 + offset;
Y
Yaniv Rosner 已提交
1548
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Y
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1549
			  MDIO_AER_BLOCK_AER_REG, aer_val);
D
Dmitry Kravkov 已提交
1550 1551 1552 1553
}
static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
				     struct bnx2x_phy *phy)
{
Y
Yaniv Rosner 已提交
1554
	CL22_WR_OVER_CL45(bp, phy,
Y
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1555 1556
			  MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0x3800);
Y
Yaniv Rosner 已提交
1557 1558
}

Y
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1559 1560 1561
/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
1562

Y
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1563 1564 1565
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
1566

Y
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1567 1568 1569 1570 1571 1572 1573 1574
	/* 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
1575 1576
}

Y
Yaniv Rosner 已提交
1577
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
Y
Yaniv Rosner 已提交
1578
{
Y
Yaniv Rosner 已提交
1579
	u32 val;
Y
Yaniv Rosner 已提交
1580

Y
Yaniv Rosner 已提交
1581
	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
Y
Yaniv Rosner 已提交
1582

Y
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1583
	val = SERDES_RESET_BITS << (port*16);
E
Eilon Greenstein 已提交
1584

Y
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1585 1586 1587 1588
	/* reset and unreset the SerDes/XGXS */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
	udelay(500);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
Y
Yaniv Rosner 已提交
1589

Y
Yaniv Rosner 已提交
1590
	bnx2x_set_serdes_access(bp, port);
Y
Yaniv Rosner 已提交
1591

Y
Yaniv Rosner 已提交
1592 1593
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
	       DEFAULT_PHY_DEV_ADDR);
Y
Yaniv Rosner 已提交
1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610
}

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

	val = XGXS_RESET_BITS << (port*16);

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

Y
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1611
	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Y
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1612
	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Y
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1613
	       params->phy[INT_PHY].def_md_devad);
Y
Yaniv Rosner 已提交
1614 1615
}

Y
Yaniv Rosner 已提交
1616

Y
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1617
void bnx2x_link_status_update(struct link_params *params,
Y
Yaniv Rosner 已提交
1618
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
1619 1620 1621 1622
{
	struct bnx2x *bp = params->bp;
	u8 link_10g;
	u8 port = params->port;
Y
Yaniv Rosner 已提交
1623
	u32 sync_offset, media_types;
Y
Yaniv Rosner 已提交
1624
	vars->link_status = REG_RD(bp, params->shmem_base +
Y
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1625 1626
				   offsetof(struct shmem_region,
					    port_mb[port].link_status));
Y
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1627 1628 1629 1630 1631 1632 1633 1634 1635

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

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

		vars->phy_link_up = 1;
		vars->duplex = DUPLEX_FULL;
		switch (vars->link_status &
Y
Yaniv Rosner 已提交
1636
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Y
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1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735
			case LINK_10THD:
				vars->duplex = DUPLEX_HALF;
				/* fall thru */
			case LINK_10TFD:
				vars->line_speed = SPEED_10;
				break;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

		vars->phy_link_up = 0;

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

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

Y
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1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752
	/* 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);

Y
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1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764
	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x\n",
		 vars->link_status, vars->phy_link_up);
	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
		 vars->line_speed, vars->duplex, vars->flow_ctrl);
}


static void bnx2x_set_master_ln(struct link_params *params,
				struct bnx2x_phy *phy)
{
	struct bnx2x *bp = params->bp;
	u16 new_master_ln, ser_lane;
Y
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1765
	ser_lane = ((params->lane_config &
Y
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1766
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Y
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1767
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
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1768 1769

	/* set the master_ln for AN */
Y
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1770
	CL22_RD_OVER_CL45(bp, phy,
Y
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1771 1772 1773
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
Y
Yaniv Rosner 已提交
1774

Y
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1775
	CL22_WR_OVER_CL45(bp, phy,
Y
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1776 1777 1778
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
Y
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1779 1780
}

Y
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1781 1782 1783
static int bnx2x_reset_unicore(struct link_params *params,
			       struct bnx2x_phy *phy,
			       u8 set_serdes)
Y
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1784 1785 1786 1787
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
Y
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1788
	CL22_RD_OVER_CL45(bp, phy,
Y
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1789 1790
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Y
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1791 1792

	/* reset the unicore */
Y
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1793
	CL22_WR_OVER_CL45(bp, phy,
Y
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1794 1795 1796 1797
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
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1798 1799 1800 1801 1802 1803 1804 1805
	if (set_serdes)
		bnx2x_set_serdes_access(bp, params->port);

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

		/* the reset erased the previous bank value */
Y
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1806
		CL22_RD_OVER_CL45(bp, phy,
Y
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1807 1808 1809
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
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1810 1811 1812 1813 1814 1815

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
Y
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1816

1817 1818 1819
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
Y
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1820 1821 1822 1823 1824
	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
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1825 1826
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
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1827 1828
{
	struct bnx2x *bp = params->bp;
1829 1830 1831 1832
	/*
	 *  Each two bits represents a lane number:
	 *  No swap is 0123 => 0x1b no need to enable the swap
	 */
Y
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1833 1834 1835
	u16 ser_lane, rx_lane_swap, tx_lane_swap;

	ser_lane = ((params->lane_config &
Y
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1836 1837
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
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1838
	rx_lane_swap = ((params->lane_config &
Y
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1839 1840
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Y
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1841
	tx_lane_swap = ((params->lane_config &
Y
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1842 1843
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Y
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1844 1845

	if (rx_lane_swap != 0x1b) {
Y
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1846
		CL22_WR_OVER_CL45(bp, phy,
Y
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1847 1848 1849 1850 1851
				  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
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1852
	} else {
Y
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1853
		CL22_WR_OVER_CL45(bp, phy,
Y
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1854 1855
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Y
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1856 1857 1858
	}

	if (tx_lane_swap != 0x1b) {
Y
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1859
		CL22_WR_OVER_CL45(bp, phy,
Y
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1860 1861 1862 1863
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Y
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1864
	} else {
Y
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1865
		CL22_WR_OVER_CL45(bp, phy,
Y
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1866 1867
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Y
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1868 1869 1870
	}
}

Y
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1871 1872
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
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1873 1874 1875
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
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1876
	CL22_RD_OVER_CL45(bp, phy,
Y
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1877 1878 1879
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
1880
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
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1881 1882 1883
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1884 1885
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
Y
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1886
	CL22_WR_OVER_CL45(bp, phy,
Y
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1887 1888 1889
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
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1890

Y
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1891
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
1892
	     (phy->speed_cap_mask &
Y
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1893
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
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1894 1895
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
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1896
		CL22_WR_OVER_CL45(bp, phy,
Y
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1897 1898 1899
				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Y
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1900

Y
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1901
		CL22_RD_OVER_CL45(bp, phy,
Y
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1902 1903 1904
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);
Y
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1905 1906 1907 1908 1909


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
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1910
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1911 1912 1913
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
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1914 1915

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
1916
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1917 1918 1919 1920
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Y
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1921 1922 1923
	}
}

Y
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1924 1925
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
1926 1927
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
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1928 1929 1930 1931 1932
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
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1933
	CL22_RD_OVER_CL45(bp, phy,
Y
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1934 1935
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
1936 1937

	/* CL37 Autoneg Enabled */
Y
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1938
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
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1939 1940 1941 1942 1943
		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
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1944
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1945 1946
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
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1947 1948 1949

	/* Enable/Disable Autodetection */

Y
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1950
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1951 1952
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
1953 1954 1955
	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Y
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1956
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
1957 1958 1959 1960
		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
1961
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1962 1963
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
1964 1965

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
1966
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1967 1968
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
1969
			  &reg_val);
Y
Yaniv Rosner 已提交
1970
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
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1971 1972 1973 1974 1975 1976 1977 1978
		/* 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
1979
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1980 1981 1982
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
1983

1984 1985
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
1986
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1987 1988 1989
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
1990 1991

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
1992
		CL22_WR_OVER_CL45(bp, phy,
1993 1994 1995 1996 1997 1998
			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
1999
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
2000
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2001 2002 2003
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
2004
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2005 2006
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
2007
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2008 2009
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
2010

Y
Yaniv Rosner 已提交
2011
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2012 2013 2014
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
2015 2016 2017 2018 2019 2020

		/* 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
2021

Y
Yaniv Rosner 已提交
2022
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2023 2024
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
2025 2026 2027
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
2028 2029
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
2030
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
2031 2032 2033 2034
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

2035
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
2036
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2037 2038
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
2039
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
2040 2041
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
2042
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
2043
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
2044
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2045 2046
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
2047

2048 2049 2050 2051
	/*
	 * program speed
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
2052
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2053 2054
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
2055 2056 2057 2058 2059 2060 2061 2062 2063 2064
	/* clearing the speed value before setting the right speed */
	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);

	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);

	if (!((vars->line_speed == SPEED_1000) ||
	      (vars->line_speed == SPEED_100) ||
	      (vars->line_speed == SPEED_10))) {

Y
Yaniv Rosner 已提交
2065 2066
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
2067
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
2068 2069
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
2070
		if (vars->line_speed == SPEED_13000)
Y
Yaniv Rosner 已提交
2071 2072
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Y
Yaniv Rosner 已提交
2073 2074
	}

Y
Yaniv Rosner 已提交
2075
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2076 2077
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
2078

Y
Yaniv Rosner 已提交
2079 2080
}

Y
Yaniv Rosner 已提交
2081 2082
static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params)
Y
Yaniv Rosner 已提交
2083 2084 2085 2086 2087 2088 2089
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
2090
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
2091
		val |= MDIO_OVER_1G_UP1_2_5G;
2092
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
2093
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
2094
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2095 2096
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
2097

Y
Yaniv Rosner 已提交
2098
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2099 2100
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
2101 2102
}

Y
Yaniv Rosner 已提交
2103 2104
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
Y
Yaniv Rosner 已提交
2105
{
2106
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2107
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
2108 2109 2110 2111
	/*
	 * Resolve pause mode and advertisement.
	 * Please refer to Table 28B-3 of the 802.3ab-1999 spec
	 */
Y
Yaniv Rosner 已提交
2112

2113
	switch (phy->req_flow_ctrl) {
2114
	case BNX2X_FLOW_CTRL_AUTO:
Y
Yaniv Rosner 已提交
2115 2116 2117
		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		else
Y
Yaniv Rosner 已提交
2118
			*ieee_fc |=
Y
Yaniv Rosner 已提交
2119
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
Y
Yaniv Rosner 已提交
2120
		break;
2121
	case BNX2X_FLOW_CTRL_TX:
Y
Yaniv Rosner 已提交
2122
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
Y
Yaniv Rosner 已提交
2123 2124
		break;

2125 2126
	case BNX2X_FLOW_CTRL_RX:
	case BNX2X_FLOW_CTRL_BOTH:
Y
Yaniv Rosner 已提交
2127
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
2128 2129
		break;

2130
	case BNX2X_FLOW_CTRL_NONE:
Y
Yaniv Rosner 已提交
2131
	default:
Y
Yaniv Rosner 已提交
2132
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Y
Yaniv Rosner 已提交
2133 2134
		break;
	}
2135
	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Y
Yaniv Rosner 已提交
2136
}
Y
Yaniv Rosner 已提交
2137

Y
Yaniv Rosner 已提交
2138 2139
static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params,
Y
Yaniv Rosner 已提交
2140
					     u16 ieee_fc)
Y
Yaniv Rosner 已提交
2141 2142
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2143
	u16 val;
Y
Yaniv Rosner 已提交
2144
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
2145

Y
Yaniv Rosner 已提交
2146
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2147 2148
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
2149
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2150 2151
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
2152 2153
	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
2154
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2155 2156
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
2157 2158
}

Y
Yaniv Rosner 已提交
2159 2160 2161
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
2162 2163
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2164
	u16 mii_control;
2165

Y
Yaniv Rosner 已提交
2166
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
2167
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
2168

2169
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
2170
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2171 2172 2173
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
2174

Y
Yaniv Rosner 已提交
2175
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2176 2177 2178 2179 2180
				  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));
2181 2182
	} else {

Y
Yaniv Rosner 已提交
2183
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2184 2185 2186
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
2187 2188 2189
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
2190
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2191 2192 2193 2194 2195
				  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));
2196
	}
Y
Yaniv Rosner 已提交
2197 2198
}

Y
Yaniv Rosner 已提交
2199 2200
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
2201
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
2202 2203 2204 2205 2206 2207
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
2208
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2209 2210 2211
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
Y
Yaniv Rosner 已提交
2212 2213 2214 2215 2216
	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
	/* set sgmii mode (and not fiber) */
	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Y
Yaniv Rosner 已提交
2217
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2218 2219 2220
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
2221 2222

	/* if forced speed */
Y
Yaniv Rosner 已提交
2223
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
2224 2225 2226
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
2227
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2228 2229 2230
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
2231 2232 2233 2234
		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
2235
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248
		case SPEED_100:
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
			break;
		case SPEED_1000:
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
			break;
		case SPEED_10:
			/* there is nothing to set for 10M */
			break;
		default:
			/* invalid speed for SGMII */
Y
Yaniv Rosner 已提交
2249 2250
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
2251 2252 2253 2254
			break;
		}

		/* setting the full duplex */
2255
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
2256 2257
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
2258
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2259 2260 2261
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
2262 2263 2264

	} else { /* AN mode */
		/* enable and restart AN */
Y
Yaniv Rosner 已提交
2265
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
2266 2267 2268 2269 2270 2271 2272 2273 2274
	}
}


/*
 * link management
 */

static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Y
Yaniv Rosner 已提交
2275
{						/*  LD	    LP	 */
Y
Yaniv Rosner 已提交
2276 2277
	switch (pause_result) {			/* ASYM P ASYM P */
	case 0xb:				/*   1  0   1  1 */
2278
		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
2279 2280
		break;

Y
Yaniv Rosner 已提交
2281
	case 0xe:				/*   1  1   1  0 */
2282
		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Y
Yaniv Rosner 已提交
2283 2284
		break;

Y
Yaniv Rosner 已提交
2285 2286 2287 2288
	case 0x5:				/*   0  1   0  1 */
	case 0x7:				/*   0  1   1  1 */
	case 0xd:				/*   1  1   0  1 */
	case 0xf:				/*   1  1   1  1 */
2289
		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Y
Yaniv Rosner 已提交
2290 2291 2292 2293 2294
		break;

	default:
		break;
	}
2295 2296 2297 2298
	if (pause_result & (1<<0))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
	if (pause_result & (1<<1))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Y
Yaniv Rosner 已提交
2299 2300
}

Y
Yaniv Rosner 已提交
2301 2302
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					     struct link_params *params)
2303 2304 2305
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
2306 2307
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
2308
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2309 2310 2311
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
2312
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2313 2314 2315
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
2316 2317 2318 2319 2320 2321
	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
2322
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2323 2324 2325
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
2326 2327 2328 2329 2330 2331 2332 2333

	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
2334

Y
Yaniv Rosner 已提交
2335 2336 2337 2338
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
2339 2340
{
	struct bnx2x *bp = params->bp;
2341 2342
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
Y
Yaniv Rosner 已提交
2343 2344
	u16 pause_result;

2345
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
2346 2347

	/* resolve from gp_status in case of AN complete and not sgmii */
2348 2349 2350 2351 2352 2353
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
		vars->flow_ctrl = phy->req_flow_ctrl;
	else if (phy->req_line_speed != SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Y
Yaniv Rosner 已提交
2354
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
2355 2356 2357
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
Y
Yaniv Rosner 已提交
2358 2359 2360 2361 2362 2363
		if ((gp_status &
		    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
		     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
		    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
		     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {

Y
Yaniv Rosner 已提交
2364
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2365 2366 2367
					  MDIO_REG_BANK_CL73_IEEEB1,
					  MDIO_CL73_IEEEB1_AN_ADV1,
					  &ld_pause);
Y
Yaniv Rosner 已提交
2368
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2369 2370 2371
					  MDIO_REG_BANK_CL73_IEEEB1,
					  MDIO_CL73_IEEEB1_AN_LP_ADV1,
					  &lp_pause);
Y
Yaniv Rosner 已提交
2372 2373 2374 2375 2376 2377 2378 2379 2380
			pause_result = (ld_pause &
					MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
					>> 8;
			pause_result |= (lp_pause &
					MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
					>> 10;
			DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
				 pause_result);
		} else {
Y
Yaniv Rosner 已提交
2381
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2382 2383 2384
					  MDIO_REG_BANK_COMBO_IEEE0,
					  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
					  &ld_pause);
Y
Yaniv Rosner 已提交
2385
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2386 2387 2388
				MDIO_REG_BANK_COMBO_IEEE0,
				MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
				&lp_pause);
Y
Yaniv Rosner 已提交
2389
			pause_result = (ld_pause &
Y
Yaniv Rosner 已提交
2390
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Y
Yaniv Rosner 已提交
2391
			pause_result |= (lp_pause &
Y
Yaniv Rosner 已提交
2392
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Y
Yaniv Rosner 已提交
2393 2394 2395
			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
				 pause_result);
		}
Y
Yaniv Rosner 已提交
2396 2397 2398 2399 2400
		bnx2x_pause_resolve(vars, pause_result);
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
2401 2402
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
2403 2404 2405 2406 2407
{
	struct bnx2x *bp = params->bp;
	u16 rx_status, ustat_val, cl37_fsm_recieved;
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
2408
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2409 2410 2411
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
2412 2413 2414 2415
	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
2416
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2417 2418 2419
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
2420 2421 2422
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
2423
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2424 2425 2426
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
2427 2428 2429 2430 2431 2432 2433 2434 2435
	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;
	}
2436 2437 2438 2439
	/*
	 * Step 3: Check CL37 Message Pages received to indicate LP
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
2440
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2441 2442 2443
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
			  &cl37_fsm_recieved);
2444 2445 2446 2447 2448 2449 2450 2451 2452 2453
	if ((cl37_fsm_recieved &
	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
			     "misc_rx_status(0x8330) = 0x%x\n",
			 cl37_fsm_recieved);
		return;
	}
2454 2455 2456 2457 2458 2459 2460
	/*
	 * The combined cl37/cl73 fsm state information indicating that
	 * we are connected to a device which does not support cl73, but
	 * does support cl37 BAM. In this case we disable cl73 and
	 * restart cl37 auto-neg
	 */

2461
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
2462
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2463 2464 2465
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
2466
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
2467
	bnx2x_restart_autoneg(phy, params, 0);
2468 2469
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484

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

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

Y
Yaniv Rosner 已提交
2485 2486 2487
static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
2488 2489
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2490
	u16 new_line_speed, gp_status;
Y
Yaniv Rosner 已提交
2491
	int rc = 0;
2492

Y
Yaniv Rosner 已提交
2493
	/* Read gp_status */
Y
Yaniv Rosner 已提交
2494
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2495 2496 2497
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
2498

2499 2500
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Y
Yaniv Rosner 已提交
2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
		DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
			 gp_status);

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

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

2513 2514 2515 2516 2517 2518
		if (SINGLE_MEDIA_DIRECT(params)) {
			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
			if (phy->req_line_speed == SPEED_AUTO_NEG)
				bnx2x_xgxs_an_resolve(phy, params, vars,
						      gp_status);
		}
Y
Yaniv Rosner 已提交
2519 2520 2521

		switch (gp_status & GP_STATUS_SPEED_MASK) {
		case GP_STATUS_10M:
E
Eilon Greenstein 已提交
2522
			new_line_speed = SPEED_10;
Y
Yaniv Rosner 已提交
2523 2524 2525 2526 2527 2528 2529
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
E
Eilon Greenstein 已提交
2530
			new_line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
2531 2532 2533 2534 2535 2536 2537 2538
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_100TXFD;
			else
				vars->link_status |= LINK_100TXHD;
			break;

		case GP_STATUS_1G:
		case GP_STATUS_1G_KX:
E
Eilon Greenstein 已提交
2539
			new_line_speed = SPEED_1000;
Y
Yaniv Rosner 已提交
2540 2541 2542 2543 2544 2545 2546
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
E
Eilon Greenstein 已提交
2547
			new_line_speed = SPEED_2500;
Y
Yaniv Rosner 已提交
2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_2500TFD;
			else
				vars->link_status |= LINK_2500THD;
			break;

		case GP_STATUS_5G:
		case GP_STATUS_6G:
			DP(NETIF_MSG_LINK,
				 "link speed unsupported  gp_status 0x%x\n",
				  gp_status);
			return -EINVAL;
2560

Y
Yaniv Rosner 已提交
2561 2562 2563
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
E
Eilon Greenstein 已提交
2564
			new_line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
2565 2566 2567 2568
			vars->link_status |= LINK_10GTFD;
			break;

		case GP_STATUS_12G_HIG:
E
Eilon Greenstein 已提交
2569
			new_line_speed = SPEED_12000;
Y
Yaniv Rosner 已提交
2570 2571 2572 2573
			vars->link_status |= LINK_12GTFD;
			break;

		case GP_STATUS_12_5G:
E
Eilon Greenstein 已提交
2574
			new_line_speed = SPEED_12500;
Y
Yaniv Rosner 已提交
2575 2576 2577 2578
			vars->link_status |= LINK_12_5GTFD;
			break;

		case GP_STATUS_13G:
E
Eilon Greenstein 已提交
2579
			new_line_speed = SPEED_13000;
Y
Yaniv Rosner 已提交
2580 2581 2582 2583
			vars->link_status |= LINK_13GTFD;
			break;

		case GP_STATUS_15G:
E
Eilon Greenstein 已提交
2584
			new_line_speed = SPEED_15000;
Y
Yaniv Rosner 已提交
2585 2586 2587 2588
			vars->link_status |= LINK_15GTFD;
			break;

		case GP_STATUS_16G:
E
Eilon Greenstein 已提交
2589
			new_line_speed = SPEED_16000;
Y
Yaniv Rosner 已提交
2590 2591 2592 2593 2594 2595 2596
			vars->link_status |= LINK_16GTFD;
			break;

		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
				  gp_status);
2597
			return -EINVAL;
Y
Yaniv Rosner 已提交
2598 2599
		}

E
Eilon Greenstein 已提交
2600
		vars->line_speed = new_line_speed;
Y
Yaniv Rosner 已提交
2601 2602 2603 2604 2605

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

		vars->phy_link_up = 0;
2606

Y
Yaniv Rosner 已提交
2607
		vars->duplex = DUPLEX_FULL;
2608
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
2609
		vars->mac_type = MAC_TYPE_NONE;
2610

2611 2612
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
2613
			/* Check signal is detected */
2614
			bnx2x_check_fallback_to_cl37(phy, params);
2615
		}
Y
Yaniv Rosner 已提交
2616 2617
	}

2618
	DP(NETIF_MSG_LINK, "gp_status 0x%x  phy_link_up %x line_speed %x\n",
Y
Yaniv Rosner 已提交
2619
		 gp_status, vars->phy_link_up, vars->line_speed);
Y
Yaniv Rosner 已提交
2620 2621
	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
2622 2623 2624
	return rc;
}

E
Eilon Greenstein 已提交
2625
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
2626 2627
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2628
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
2629 2630
	u16 lp_up2;
	u16 tx_driver;
2631
	u16 bank;
Y
Yaniv Rosner 已提交
2632 2633

	/* read precomp */
Y
Yaniv Rosner 已提交
2634
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2635 2636
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
2637 2638 2639 2640 2641 2642

	/* bits [10:7] at lp_up2, positioned at [15:12] */
	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);

2643 2644 2645 2646 2647
	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
2648
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2649 2650
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
2651 2652 2653 2654 2655 2656

		/* replace tx_driver bits [15:12] */
		if (lp_up2 !=
		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
			tx_driver |= lp_up2;
Y
Yaniv Rosner 已提交
2657
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2658 2659
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
2660
		}
Y
Yaniv Rosner 已提交
2661 2662 2663
	}
}

Y
Yaniv Rosner 已提交
2664 2665
static int bnx2x_emac_program(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
2666 2667 2668 2669 2670 2671 2672
{
	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
2673 2674 2675 2676
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
2677
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695
	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
2696 2697
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
2698 2699 2700
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
2701
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
2702 2703
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
2704 2705
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
2706

2707
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
2708 2709 2710
	return 0;
}

Y
Yaniv Rosner 已提交
2711 2712
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
2713
{
Y
Yaniv Rosner 已提交
2714 2715 2716 2717 2718 2719

	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
2720
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2721 2722 2723 2724 2725 2726 2727
					  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
2728
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

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

		/* forced speed requested? */
		if (vars->line_speed != SPEED_AUTO_NEG ||
		    (SINGLE_MEDIA_DIRECT(params) &&
Y
Yaniv Rosner 已提交
2751
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767
			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");

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

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

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

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

			/* program duplex & pause advertisement (for aneg) */
			bnx2x_set_ieee_aneg_advertisment(phy, params,
Y
Yaniv Rosner 已提交
2768
							 vars->ieee_fc);
Y
Yaniv Rosner 已提交
2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783

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

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

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

		bnx2x_initialize_sgmii_process(phy, params, vars);
	}
}

Y
Yaniv Rosner 已提交
2784 2785 2786
static int bnx2x_init_serdes(struct bnx2x_phy *phy,
			     struct link_params *params,
			     struct link_vars *vars)
Y
Yaniv Rosner 已提交
2787
{
Y
Yaniv Rosner 已提交
2788
	int rc;
Y
Yaniv Rosner 已提交
2789
	vars->phy_flags |= PHY_SGMII_FLAG;
Y
Yaniv Rosner 已提交
2790
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
D
Dmitry Kravkov 已提交
2791
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
Yaniv Rosner 已提交
2792 2793 2794 2795
	rc = bnx2x_reset_unicore(params, phy, 1);
	/* reset the SerDes and wait for reset bit return low */
	if (rc != 0)
		return rc;
D
Dmitry Kravkov 已提交
2796
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
Yaniv Rosner 已提交
2797 2798 2799 2800

	return rc;
}

Y
Yaniv Rosner 已提交
2801 2802 2803
static int bnx2x_init_xgxs(struct bnx2x_phy *phy,
			   struct link_params *params,
			   struct link_vars *vars)
Y
Yaniv Rosner 已提交
2804
{
Y
Yaniv Rosner 已提交
2805
	int rc;
Y
Yaniv Rosner 已提交
2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820
	vars->phy_flags = PHY_XGXS_FLAG;
	if ((phy->req_line_speed &&
	     ((phy->req_line_speed == SPEED_100) ||
	      (phy->req_line_speed == SPEED_10))) ||
	    (!phy->req_line_speed &&
	     (phy->speed_cap_mask >=
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
	     (phy->speed_cap_mask <
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
	     ))
		vars->phy_flags |= PHY_SGMII_FLAG;
	else
		vars->phy_flags &= ~PHY_SGMII_FLAG;

	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
D
Dmitry Kravkov 已提交
2821
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
Yaniv Rosner 已提交
2822 2823 2824 2825 2826 2827 2828
	bnx2x_set_master_ln(params, phy);

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

D
Dmitry Kravkov 已提交
2829
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
Yaniv Rosner 已提交
2830

Y
Yaniv Rosner 已提交
2831 2832 2833 2834 2835 2836
	/* setting the masterLn_def again after the reset */
	bnx2x_set_master_ln(params, phy);
	bnx2x_set_swap_lanes(params, phy);

	return rc;
}
2837

Y
Yaniv Rosner 已提交
2838
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
2839 2840
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
2841
{
Y
Yaniv Rosner 已提交
2842
	u16 cnt, ctrl;
L
Lucas De Marchi 已提交
2843
	/* Wait for soft reset to get cleared up to 1 sec */
Y
Yaniv Rosner 已提交
2844 2845 2846 2847 2848 2849 2850
	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
2851 2852 2853 2854 2855

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
2856 2857
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
2858 2859
}

Y
Yaniv Rosner 已提交
2860
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
2861
{
Y
Yaniv Rosner 已提交
2862 2863 2864
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
2865

2866
	/* Setting the status to report on link up for either XGXS or SerDes */
Y
Yaniv Rosner 已提交
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
	if (params->switch_cfg == SWITCH_CFG_10G) {
		mask = (NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_XGXS0_LINK_STATUS);
		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
		if (!(SINGLE_MEDIA_DIRECT(params)) &&
			params->phy[INT_PHY].type !=
				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
			mask |= NIG_MASK_MI_INT;
			DP(NETIF_MSG_LINK, "enabled external phy int\n");
		}

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

	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
		 (params->switch_cfg == SWITCH_CFG_10G),
		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
E
Eilon Greenstein 已提交
2902 2903
}

Y
Yaniv Rosner 已提交
2904 2905
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
2906
{
Y
Yaniv Rosner 已提交
2907 2908
	u32 latch_status = 0;

2909
	/*
Y
Yaniv Rosner 已提交
2910 2911 2912
	 * Disable the MI INT ( external phy int ) by writing 1 to the
	 * status register. Link down indication is high-active-signal,
	 * so in this case we need to write the status to clear the XOR
Y
Yaniv Rosner 已提交
2913 2914 2915
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
2916 2917
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
2918
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929
	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
2930
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
2931

Y
Yaniv Rosner 已提交
2932 2933
		/* 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
2934
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
2935
	}
Y
Yaniv Rosner 已提交
2936
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
2937 2938
}

Y
Yaniv Rosner 已提交
2939
static void bnx2x_link_int_ack(struct link_params *params,
Y
Yaniv Rosner 已提交
2940
			       struct link_vars *vars, u8 is_10g)
2941
{
Y
Yaniv Rosner 已提交
2942
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2943
	u8 port = params->port;
Y
Yaniv Rosner 已提交
2944

2945 2946 2947 2948
	/*
	 * First reset all status we assume only one line will be
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
2949
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
2950 2951 2952
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
2953 2954
	if (vars->phy_link_up) {
		if (is_10g) {
2955 2956 2957
			/*
			 * Disable the 10G link interrupt by writing 1 to the
			 * status register
Y
Yaniv Rosner 已提交
2958 2959 2960 2961 2962
			 */
			DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_XGXS0_LINK10G);
2963

Y
Yaniv Rosner 已提交
2964
		} else if (params->switch_cfg == SWITCH_CFG_10G) {
2965 2966 2967
			/*
			 * Disable the link interrupt by writing 1 to the
			 * relevant lane in the status register
Y
Yaniv Rosner 已提交
2968 2969 2970 2971
			 */
			u32 ser_lane = ((params->lane_config &
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2972

Y
Yaniv Rosner 已提交
2973 2974 2975 2976 2977 2978
			DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
				 vars->line_speed);
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
Y
Yaniv Rosner 已提交
2979

Y
Yaniv Rosner 已提交
2980 2981
		} else { /* SerDes */
			DP(NETIF_MSG_LINK, "SerDes phy link up\n");
2982 2983 2984
			/*
			 * Disable the link interrupt by writing 1 to the status
			 * register
Y
Yaniv Rosner 已提交
2985 2986 2987 2988 2989
			 */
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_SERDES0_LINK_STATUS);
		}
Y
Yaniv Rosner 已提交
2990 2991 2992 2993

	}
}

Y
Yaniv Rosner 已提交
2994
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
2995 2996 2997 2998 2999
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
3000
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
3001 3002 3003
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
3004
		(*len)--;
Y
Yaniv Rosner 已提交
3005
		return -EINVAL;
Y
Yaniv Rosner 已提交
3006
	}
Y
Yaniv Rosner 已提交
3007
	while (shift > 0) {
Y
Yaniv Rosner 已提交
3008

Y
Yaniv Rosner 已提交
3009 3010
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
3011 3012 3013 3014
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
3015 3016 3017
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
3018
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
3019
		str_ptr++;
Y
Yaniv Rosner 已提交
3020
		(*len)--;
Y
Yaniv Rosner 已提交
3021 3022
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
3023
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
3024
			str_ptr++;
Y
Yaniv Rosner 已提交
3025 3026
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
3027 3028
		}
	}
Y
Yaniv Rosner 已提交
3029
	return 0;
Y
Yaniv Rosner 已提交
3030 3031
}

Y
Yaniv Rosner 已提交
3032

Y
Yaniv Rosner 已提交
3033
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
3034
{
Y
Yaniv Rosner 已提交
3035 3036 3037 3038
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
3039

Y
Yaniv Rosner 已提交
3040 3041
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
				 u8 *version, u16 len)
Y
Yaniv Rosner 已提交
3042 3043 3044
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
Y
Yaniv Rosner 已提交
3045
	int status = 0;
Y
Yaniv Rosner 已提交
3046
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
3047
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
3048 3049 3050
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
3051

Y
Yaniv Rosner 已提交
3052 3053 3054
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
3055

Y
Yaniv Rosner 已提交
3056
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
3057 3058
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
3059 3060 3061 3062 3063
							      &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
3064
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076
		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
3077
	return status;
Y
Yaniv Rosner 已提交
3078
}
Y
Yaniv Rosner 已提交
3079

Y
Yaniv Rosner 已提交
3080 3081
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
3082
{
Y
Yaniv Rosner 已提交
3083
	u8 port = params->port;
E
Eilon Greenstein 已提交
3084 3085
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
3086 3087
	if (phy->req_line_speed != SPEED_1000) {
		u32 md_devad;
E
Eilon Greenstein 已提交
3088

Y
Yaniv Rosner 已提交
3089
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
3090

Y
Yaniv Rosner 已提交
3091 3092
		/* change the uni_phy_addr in the nig */
		md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
Y
Yaniv Rosner 已提交
3093
				       port*0x18));
3094

Y
Yaniv Rosner 已提交
3095
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
E
Eilon Greenstein 已提交
3096

Y
Yaniv Rosner 已提交
3097
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3098 3099 3100 3101
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
3102

Y
Yaniv Rosner 已提交
3103
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3104 3105 3106 3107
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
3108 3109
		msleep(200);
		/* set aer mmd back */
D
Dmitry Kravkov 已提交
3110
		bnx2x_set_aer_mmd_xgxs(params, phy);
E
Eilon Greenstein 已提交
3111

Y
Yaniv Rosner 已提交
3112
		/* and md_devad */
Y
Yaniv Rosner 已提交
3113
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
Y
Yaniv Rosner 已提交
3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126
	} 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
3127 3128
}

Y
Yaniv Rosner 已提交
3129 3130
int bnx2x_set_led(struct link_params *params,
		  struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
3131
{
Y
Yaniv Rosner 已提交
3132 3133
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
Yaniv Rosner 已提交
3134 3135
	int rc = 0;
	u8 phy_idx;
Y
Yaniv Rosner 已提交
3136 3137
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
3138
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3139 3140 3141
	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);
3142 3143 3144 3145 3146 3147 3148 3149
	/* 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
3150
	switch (mode) {
3151
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
3152 3153 3154
	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
3155
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
3156

Y
Yaniv Rosner 已提交
3157 3158 3159
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
		break;
E
Eilon Greenstein 已提交
3160

Y
Yaniv Rosner 已提交
3161
	case LED_MODE_OPER:
3162
		/*
3163 3164
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
3165
		 */
3166 3167 3168
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
3169 3170 3171 3172
		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)) &&
3173
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
3174 3175 3176
			/*
			 * This is a work-around for E2+8727 Configurations
			 */
3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187
			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));
				return rc;
			}
		} else if (SINGLE_MEDIA_DIRECT(params)) {
3188 3189 3190 3191
			/*
			 * This is a work-around for HW issue found when link
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
3192 3193 3194
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
		} else {
Y
Yaniv Rosner 已提交
3195
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Y
Yaniv Rosner 已提交
3196
		}
E
Eilon Greenstein 已提交
3197

Y
Yaniv Rosner 已提交
3198
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
3199 3200
		/* Set blinking rate to ~15.9Hz */
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Y
Yaniv Rosner 已提交
3201
		       LED_BLINK_RATE_VAL);
Y
Yaniv Rosner 已提交
3202
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
3203
		       port*4, 1);
Y
Yaniv Rosner 已提交
3204
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
3205
		EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
E
Eilon Greenstein 已提交
3206

Y
Yaniv Rosner 已提交
3207 3208 3209 3210 3211
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
3212 3213 3214 3215
			/*
			 * On Everest 1 Ax chip versions for speeds less than
			 * 10G LED scheme is different
			 */
Y
Yaniv Rosner 已提交
3216
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
3217
			       + port*4, 1);
Y
Yaniv Rosner 已提交
3218
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
3219
			       port*4, 0);
Y
Yaniv Rosner 已提交
3220
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
3221
			       port*4, 1);
Y
Yaniv Rosner 已提交
3222 3223
		}
		break;
E
Eilon Greenstein 已提交
3224

Y
Yaniv Rosner 已提交
3225 3226 3227 3228 3229
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
3230
	}
Y
Yaniv Rosner 已提交
3231
	return rc;
E
Eilon Greenstein 已提交
3232

E
Eilon Greenstein 已提交
3233 3234
}

3235
/*
Y
Yaniv Rosner 已提交
3236 3237 3238
 * This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
Y
Yaniv Rosner 已提交
3239 3240
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		    u8 is_serdes)
E
Eilon Greenstein 已提交
3241 3242
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3243
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
3244 3245
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
E
Eilon Greenstein 已提交
3246

Y
Yaniv Rosner 已提交
3247
	CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
Y
Yaniv Rosner 已提交
3248 3249 3250
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yaniv Rosner 已提交
3251
	/* link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;

	switch (params->num_phys) {
	case 1:
		/* No external PHY */
		return 0;
	case 2:
		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
			&params->phy[EXT_PHY1],
			params, &temp_vars);
		break;
	case 3: /* Dual Media */
Y
Yaniv Rosner 已提交
3265 3266
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
3267 3268 3269
			serdes_phy_type = ((params->phy[phy_index].media_type ==
					    ETH_PHY_SFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
Y
Yaniv Rosner 已提交
3270 3271 3272
					    ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_DA_TWINAX));
Y
Yaniv Rosner 已提交
3273 3274 3275 3276 3277

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
3278 3279 3280
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
3281
			}
Y
Yaniv Rosner 已提交
3282
		}
Y
Yaniv Rosner 已提交
3283
		break;
E
Eilon Greenstein 已提交
3284
	}
Y
Yaniv Rosner 已提交
3285 3286
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
3287 3288
	return -ESRCH;
}
E
Eilon Greenstein 已提交
3289

Y
Yaniv Rosner 已提交
3290 3291
static int bnx2x_link_initialize(struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
3292
{
Y
Yaniv Rosner 已提交
3293
	int rc = 0;
Y
Yaniv Rosner 已提交
3294 3295
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
3296 3297 3298 3299 3300 3301
	/*
	 * In case of external phy existence, the line speed would be the
	 * line speed linked up by the external phy. In case it is direct
	 * only, then the line_speed during initialization will be
	 * equal to the req_line_speed
	 */
Y
Yaniv Rosner 已提交
3302
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
3303

3304
	/*
Y
Yaniv Rosner 已提交
3305 3306 3307 3308
	 * Initialize the internal phy in case this is a direct board
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
E
Eilon Greenstein 已提交
3309

Y
Yaniv Rosner 已提交
3310 3311 3312 3313
	if (params->phy[INT_PHY].config_init)
		params->phy[INT_PHY].config_init(
			&params->phy[INT_PHY],
			params, vars);
E
Eilon Greenstein 已提交
3314

Y
Yaniv Rosner 已提交
3315 3316 3317
	/* 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
3318

Y
Yaniv Rosner 已提交
3319 3320 3321 3322 3323 3324 3325
	if (non_ext_phy ||
	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
		struct bnx2x_phy *phy = &params->phy[INT_PHY];
		if (vars->line_speed == SPEED_AUTO_NEG)
			bnx2x_set_parallel_detection(phy, params);
		bnx2x_init_internal_phy(phy, params, vars);
E
Eilon Greenstein 已提交
3326 3327
	}

Y
Yaniv Rosner 已提交
3328 3329 3330 3331
	/* Init external phy*/
	if (!non_ext_phy)
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
3332
			/*
Y
Yaniv Rosner 已提交
3333 3334 3335 3336
			 * No need to initialize second phy in case of first
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
3337
			 */
Y
Yaniv Rosner 已提交
3338 3339 3340
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
3341
				DP(NETIF_MSG_LINK, "Ignoring second phy\n");
Y
Yaniv Rosner 已提交
3342 3343
				continue;
			}
Y
Yaniv Rosner 已提交
3344 3345 3346 3347
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
E
Eilon Greenstein 已提交
3348

Y
Yaniv Rosner 已提交
3349 3350 3351 3352 3353 3354 3355 3356 3357
	/* 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
3358

Y
Yaniv Rosner 已提交
3359 3360 3361 3362
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
3363 3364
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
3365 3366
}

Y
Yaniv Rosner 已提交
3367 3368
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
3369
{
Y
Yaniv Rosner 已提交
3370 3371 3372
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
3373 3374 3375 3376
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
3377
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
3378 3379
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
3380
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
3381 3382
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
3383
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
3384
}
E
Eilon Greenstein 已提交
3385

Y
Yaniv Rosner 已提交
3386 3387
static int bnx2x_update_link_down(struct link_params *params,
				  struct link_vars *vars)
E
Eilon Greenstein 已提交
3388 3389
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3390
	u8 port = params->port;
E
Eilon Greenstein 已提交
3391

Y
Yaniv Rosner 已提交
3392
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
3393
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
E
Eilon Greenstein 已提交
3394

Y
Yaniv Rosner 已提交
3395 3396
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
3397

Y
Yaniv Rosner 已提交
3398 3399 3400 3401
	/* update shared memory */
	vars->link_status = 0;
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
3402

Y
Yaniv Rosner 已提交
3403 3404
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
3405

Y
Yaniv Rosner 已提交
3406 3407 3408 3409 3410 3411 3412
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	msleep(10);

	/* reset BigMac */
	bnx2x_bmac_rx_disable(bp, params->port);
Y
Yaniv Rosner 已提交
3413 3414
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
E
Eilon Greenstein 已提交
3415 3416
	return 0;
}
Y
Yaniv Rosner 已提交
3417

Y
Yaniv Rosner 已提交
3418 3419 3420
static int bnx2x_update_link_up(struct link_params *params,
				struct link_vars *vars,
				u8 link_10g)
E
Eilon Greenstein 已提交
3421 3422
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3423
	u8 port = params->port;
Y
Yaniv Rosner 已提交
3424
	int rc = 0;
E
Eilon Greenstein 已提交
3425

Y
Yaniv Rosner 已提交
3426
	vars->link_status |= LINK_STATUS_LINK_UP;
3427

Y
Yaniv Rosner 已提交
3428 3429 3430
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
3431

Y
Yaniv Rosner 已提交
3432 3433 3434
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
3435

Y
Yaniv Rosner 已提交
3436 3437
	if (link_10g) {
		bnx2x_bmac_enable(params, vars, 0);
3438 3439
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, SPEED_10000);
Y
Yaniv Rosner 已提交
3440 3441
	} else {
		rc = bnx2x_emac_program(params, vars);
3442

Y
Yaniv Rosner 已提交
3443
		bnx2x_emac_enable(params, vars, 0);
3444

Y
Yaniv Rosner 已提交
3445 3446 3447 3448 3449 3450
		/* 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);
	}
3451

Y
Yaniv Rosner 已提交
3452
	/* PBF - link up */
D
Dmitry Kravkov 已提交
3453 3454 3455
	if (!(CHIP_IS_E2(bp)))
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
3456

Y
Yaniv Rosner 已提交
3457 3458
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
3459

Y
Yaniv Rosner 已提交
3460 3461 3462 3463
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
3464
}
3465
/*
Y
Yaniv Rosner 已提交
3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477
 * The bnx2x_link_update function should be called upon link
 * interrupt.
 * Link is considered up as follows:
 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
 *   to be up
 * - SINGLE_MEDIA - The link between the 577xx and the external
 *   phy (XGXS) need to up as well as the external link of the
 *   phy (PHY_EXT1)
 * - DUAL_MEDIA - The link between the 577xx and the first
 *   external phy needs to be up, and at least one of the 2
 *   external phy link must be up.
 */
Y
Yaniv Rosner 已提交
3478
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
3479
{
Y
Yaniv Rosner 已提交
3480 3481 3482 3483
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
	u8 link_10g, phy_index;
Y
Yaniv Rosner 已提交
3484 3485
	u8 ext_phy_link_up = 0, cur_link_up;
	int rc = 0;
Y
Yaniv Rosner 已提交
3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
	vars->link_status = 0;
	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
		phy_vars[phy_index].flow_ctrl = 0;
		phy_vars[phy_index].link_status = 0;
		phy_vars[phy_index].line_speed = 0;
		phy_vars[phy_index].duplex = DUPLEX_FULL;
		phy_vars[phy_index].phy_link_up = 0;
		phy_vars[phy_index].link_up = 0;
3498
		phy_vars[phy_index].fault_detected = 0;
Y
Yaniv Rosner 已提交
3499
	}
E
Eilon Greenstein 已提交
3500

Y
Yaniv Rosner 已提交
3501 3502 3503
	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
3504

Y
Yaniv Rosner 已提交
3505
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
3506
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
3507 3508 3509
	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
3510
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
3511

Y
Yaniv Rosner 已提交
3512 3513 3514
	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
3515

Y
Yaniv Rosner 已提交
3516 3517
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
3518

3519 3520 3521 3522 3523 3524 3525 3526
	/*
	 * Step 1:
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
	 * is up. Note that the instead of the common vars, a temporary
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
Y
Yaniv Rosner 已提交
3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542
	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
3543

Y
Yaniv Rosner 已提交
3544 3545 3546
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
3547 3548 3549 3550
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
3551
			/*
Y
Yaniv Rosner 已提交
3552 3553 3554
			 * In this option, the first PHY makes sure to pass the
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
3555
			 */
Y
Yaniv Rosner 已提交
3556 3557 3558
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
3559
			/*
Y
Yaniv Rosner 已提交
3560 3561
			 * In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
3562
			 */
Y
Yaniv Rosner 已提交
3563 3564 3565
				active_external_phy = EXT_PHY2;
				break;
			default:
3566
			/*
Y
Yaniv Rosner 已提交
3567 3568 3569 3570 3571 3572 3573
			 * Link indication on both PHYs with the following cases
			 * is invalid:
			 * - FIRST_PHY means that second phy wasn't initialized,
			 * hence its link is expected to be down
			 * - SECOND_PHY means that first phy should not be able
			 * to link up by itself (using configuration)
			 * - DEFAULT should be overriden during initialiazation
3574
			 */
Y
Yaniv Rosner 已提交
3575 3576 3577 3578 3579 3580
				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
3581 3582
		}
	}
Y
Yaniv Rosner 已提交
3583
	prev_line_speed = vars->line_speed;
3584 3585 3586 3587 3588 3589 3590
	/*
	 * Step 2:
	 * Read the status of the internal phy. In case of
	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
	 * otherwise this is the link between the 577xx and the first
	 * external phy
	 */
Y
Yaniv Rosner 已提交
3591 3592 3593 3594
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
3595
	/*
Y
Yaniv Rosner 已提交
3596 3597 3598 3599 3600 3601
	 * The INT_PHY flow control reside in the vars. This include the
	 * case where the speed or flow control are not set to AUTO.
	 * Otherwise, the active external phy flow control result is set
	 * to the vars. The ext_phy_line_speed is needed to check if the
	 * speed is different between the internal phy and external phy.
	 * This case may be result of intermediate link speed change.
E
Eilon Greenstein 已提交
3602
	 */
Y
Yaniv Rosner 已提交
3603 3604
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
3605
		/*
Y
Yaniv Rosner 已提交
3606 3607
		 * Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
E
Eilon Greenstein 已提交
3608
		 */
Y
Yaniv Rosner 已提交
3609
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
3610

3611
		/*
Y
Yaniv Rosner 已提交
3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624
		 * if active_external_phy is first PHY and link is up - disable
		 * disable TX on second external PHY
		 */
		if (active_external_phy == EXT_PHY1) {
			if (params->phy[EXT_PHY2].phy_specific_func) {
				DP(NETIF_MSG_LINK, "Disabling TX on"
						   " EXT_PHY2\n");
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
Yaniv Rosner 已提交
3625 3626 3627 3628 3629 3630 3631 3632
		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
		vars->duplex = phy_vars[active_external_phy].duplex;
		if (params->phy[active_external_phy].supported &
		    SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643

	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
3644 3645 3646
	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);
3647
	/*
Y
Yaniv Rosner 已提交
3648 3649 3650 3651
	 * Upon link speed change set the NIG into drain mode. Comes to
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
E
Eilon Greenstein 已提交
3652

Y
Yaniv Rosner 已提交
3653 3654 3655 3656 3657 3658 3659 3660 3661
	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
3662 3663
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yaniv Rosner 已提交
3664 3665 3666
			msleep(1);
		}
	}
Y
Yaniv Rosner 已提交
3667

Y
Yaniv Rosner 已提交
3668 3669 3670 3671 3672 3673 3674
	/* anything 10 and over uses the bmac */
	link_10g = ((vars->line_speed == SPEED_10000) ||
		    (vars->line_speed == SPEED_12000) ||
		    (vars->line_speed == SPEED_12500) ||
		    (vars->line_speed == SPEED_13000) ||
		    (vars->line_speed == SPEED_15000) ||
		    (vars->line_speed == SPEED_16000));
E
Eilon Greenstein 已提交
3675

Y
Yaniv Rosner 已提交
3676
	bnx2x_link_int_ack(params, vars, link_10g);
E
Eilon Greenstein 已提交
3677

3678 3679 3680 3681 3682 3683 3684 3685
	/*
	 * In case external phy link is up, and internal link is down
	 * (not initialized yet probably after link initialization, it
	 * needs to be initialized.
	 * Note that after link down-up as result of cable plug, the xgxs
	 * link would probably become up again without the need
	 * initialize it
	 */
Y
Yaniv Rosner 已提交
3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702
	if (!(SINGLE_MEDIA_DIRECT(params))) {
		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
			   " init_preceding = %d\n", ext_phy_link_up,
			   vars->phy_link_up,
			   params->phy[EXT_PHY1].flags &
			   FLAGS_INIT_XGXS_FIRST);
		if (!(params->phy[EXT_PHY1].flags &
		      FLAGS_INIT_XGXS_FIRST)
		    && ext_phy_link_up && !vars->phy_link_up) {
			vars->line_speed = ext_phy_line_speed;
			if (vars->line_speed < SPEED_1000)
				vars->phy_flags |= PHY_SGMII_FLAG;
			else
				vars->phy_flags &= ~PHY_SGMII_FLAG;
			bnx2x_init_internal_phy(&params->phy[INT_PHY],
						params,
						vars);
E
Eilon Greenstein 已提交
3703
		}
E
Eilon Greenstein 已提交
3704
	}
3705 3706 3707
	/*
	 * Link is up only if both local phy and external phy (in case of
	 * non-direct board) are up
E
Eilon Greenstein 已提交
3708
	 */
Y
Yaniv Rosner 已提交
3709 3710
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
3711 3712
			  SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));
Y
Yaniv Rosner 已提交
3713 3714 3715

	if (vars->link_up)
		rc = bnx2x_update_link_up(params, vars, link_10g);
E
Eilon Greenstein 已提交
3716
	else
Y
Yaniv Rosner 已提交
3717
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
3718

E
Eilon Greenstein 已提交
3719
	return rc;
E
Eilon Greenstein 已提交
3720 3721 3722
}


Y
Yaniv Rosner 已提交
3723 3724 3725 3726 3727 3728
/*****************************************************************************/
/*			    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
3729
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
3730 3731
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
3732
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
3733
}
E
Eilon Greenstein 已提交
3734

Y
Yaniv Rosner 已提交
3735 3736 3737 3738 3739
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
3740

Y
Yaniv Rosner 已提交
3741 3742
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
3743 3744
}

Y
Yaniv Rosner 已提交
3745 3746 3747
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
3748
{
Y
Yaniv Rosner 已提交
3749 3750 3751
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
3752
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
3753
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
3754
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
Yaniv Rosner 已提交
3755 3756
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
Yaniv Rosner 已提交
3757
}
3758

Y
Yaniv Rosner 已提交
3759 3760 3761
static void bnx2x_ext_phy_set_pause(struct link_params *params,
				    struct bnx2x_phy *phy,
				    struct link_vars *vars)
Y
Yaniv Rosner 已提交
3762 3763
{
	u16 val;
Y
Yaniv Rosner 已提交
3764 3765 3766
	struct bnx2x *bp = params->bp;
	/* read modify write pause advertizing */
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
Y
Yaniv Rosner 已提交
3767

Y
Yaniv Rosner 已提交
3768
	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
3769

Y
Yaniv Rosner 已提交
3770 3771 3772 3773 3774
	/* 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) {
Y
Yaniv Rosner 已提交
3775
		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
Y
Yaniv Rosner 已提交
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
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
	}
	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}

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

	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;

	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
		vars->flow_ctrl = phy->req_flow_ctrl;
	else if (phy->req_line_speed != SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3806 3807
				MDIO_AN_DEVAD,
				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
Y
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3808
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3809 3810
				MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
Y
Yaniv Rosner 已提交
3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874
		pause_result = (ld_pause &
				MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
		pause_result |= (lp_pause &
				 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
		DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
		   pause_result);
		bnx2x_pause_resolve(vars, pause_result);
	}
	return ret;
}

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

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

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

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

		bnx2x_pause_resolve(vars, pause_result);
		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
			   pause_result);
	}
}
Y
Yaniv Rosner 已提交
3875 3876 3877
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					     struct bnx2x_phy *phy,
					     u8 port)
Y
Yaniv Rosner 已提交
3878
{
3879 3880
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
Y
Yaniv Rosner 已提交
3881
	int rc = 0;
3882

Y
Yaniv Rosner 已提交
3883 3884 3885
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3886 3887 3888
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
3889 3890 3891

	/* ucode reboot and rst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3892 3893 3894
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
3895 3896

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3897 3898
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
3899 3900 3901

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3902 3903 3904
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
3905 3906 3907

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3908 3909 3910
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
3911

3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937
	/* 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);

		msleep(1);
	} 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
3938 3939 3940

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3941 3942
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
3943
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
3944 3945 3946 3947 3948 3949 3950

	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
3951 3952 3953 3954 3955
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
3956
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3957 3958 3959 3960 3961 3962
{
	/* 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
3963 3964
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
3965 3966 3967 3968 3969 3970 3971

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3972 3973
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
3974 3975 3976 3977 3978 3979 3980 3981

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

	return 1;
}

Y
Yaniv Rosner 已提交
3982
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3983 3984 3985 3986
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3987 3988
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
3989 3990 3991 3992 3993 3994 3995

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

3996 3997 3998 3999
	/*
	 * After loading the boot ROM and restarting Autoneg, poll
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
4000 4001 4002

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4003 4004 4005
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
4006 4007 4008 4009 4010
		  /*
		   * If bit [14] = 0 or bit [13] = 0, continue on with
		   * system initialization (XAUI work-around not required, as
		   * these bits indicate 2.5G or 1G link up).
		   */
Y
Yaniv Rosner 已提交
4011 4012 4013 4014
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
4015 4016 4017 4018 4019 4020 4021
			DP(NETIF_MSG_LINK, "bit 15 went off\n");
			/*
			 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
			 * MSB (bit15) goes to 1 (indicating that the XAUI
			 * workaround has completed), then continue on with
			 * system initialization.
			 */
Y
Yaniv Rosner 已提交
4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053
			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
				bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8073_XAUI_WA, &val);
				if (val & (1<<15)) {
					DP(NETIF_MSG_LINK,
					  "XAUI workaround has completed\n");
					return 0;
				 }
				 msleep(3);
			}
			break;
		}
		msleep(3);
	}
	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
	return -EINVAL;
}

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

Y
Yaniv Rosner 已提交
4054
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
4055 4056
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
4057
{
Y
Yaniv Rosner 已提交
4058
	u16 cl37_val;
Y
Yaniv Rosner 已提交
4059 4060
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
4061
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
4062 4063 4064

	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
4065
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083
	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
4084
	bnx2x_cl45_write(bp, phy,
4085
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
4086
	msleep(500);
Y
Yaniv Rosner 已提交
4087 4088
}

Y
Yaniv Rosner 已提交
4089 4090 4091
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
4092
{
Y
Yaniv Rosner 已提交
4093
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4094 4095 4096
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
4097

D
Dmitry Kravkov 已提交
4098 4099 4100 4101
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
4102 4103
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
4104
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4105

Y
Yaniv Rosner 已提交
4106
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
4107
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4108

Y
Yaniv Rosner 已提交
4109 4110 4111 4112 4113
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,  0x0004);
4114

Y
Yaniv Rosner 已提交
4115
	bnx2x_8073_set_pause_cl37(params, phy, vars);
4116

Y
Yaniv Rosner 已提交
4117
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4118
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4119

Y
Yaniv Rosner 已提交
4120 4121
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4122

Y
Yaniv Rosner 已提交
4123
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4124

4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139
	/* 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
4140
	/* Enable CL37 BAM */
4141 4142 4143 4144
	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) {
4145

4146 4147 4148 4149 4150 4151 4152 4153
		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
4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166
	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);
4167 4168
			/*
			 * Note that 2.5G works only when used with 1G
L
Lucas De Marchi 已提交
4169
			 * advertisement
4170
			 */
Y
Yaniv Rosner 已提交
4171 4172 4173 4174 4175 4176 4177
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
4178

L
Lucas De Marchi 已提交
4179
		/* Note that 2.5G works only when used with 1G advertisement */
Y
Yaniv Rosner 已提交
4180 4181 4182 4183 4184 4185
		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);
	}
4186

Y
Yaniv Rosner 已提交
4187 4188
	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);
4189

Y
Yaniv Rosner 已提交
4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206
	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;
	}
4207

Y
Yaniv Rosner 已提交
4208 4209
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
4210

Y
Yaniv Rosner 已提交
4211 4212 4213 4214
	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)));
4215

Y
Yaniv Rosner 已提交
4216 4217
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4218

4219 4220 4221 4222 4223
	/*
	 * The SNR will improve about 2db by changing BW and FEE main
	 * tap. Rest commands are executed after link is up
	 * Change FFE main cursor to 5 in EDC register
	 */
Y
Yaniv Rosner 已提交
4224 4225 4226 4227
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
4228

Y
Yaniv Rosner 已提交
4229 4230 4231 4232
	/* 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);
4233

Y
Yaniv Rosner 已提交
4234
	bnx2x_ext_phy_set_pause(params, phy, vars);
4235

Y
Yaniv Rosner 已提交
4236 4237 4238 4239 4240 4241
	/* 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
4242
}
Y
Yaniv Rosner 已提交
4243

Y
Yaniv Rosner 已提交
4244
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4245 4246 4247 4248
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4249 4250 4251 4252
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
4253

Y
Yaniv Rosner 已提交
4254 4255
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
Y
Yaniv Rosner 已提交
4256

Y
Yaniv Rosner 已提交
4257
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
4258

Y
Yaniv Rosner 已提交
4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290
	/* clear the interrupt LASI status register */
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
	/* Clear MSG-OUT */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);

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

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

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

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

	if (link_up &&
	     ((phy->req_line_speed != SPEED_10000))) {
		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
			return 0;
4291
	}
Y
Yaniv Rosner 已提交
4292 4293 4294 4295
	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);
4296

Y
Yaniv Rosner 已提交
4297 4298 4299 4300 4301 4302 4303
	/* 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);
4304

Y
Yaniv Rosner 已提交
4305 4306
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
4307 4308 4309 4310 4311
		/*
		 * The SNR will improve about 2dbby changing the BW and FEE main
		 * tap. The 1st write to change FFE main tap is set before
		 * restart AN. Change PLL Bandwidth in EDC register
		 */
4312
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4313 4314
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
4315

Y
Yaniv Rosner 已提交
4316
		/* Change CDR Bandwidth in EDC register */
4317
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4318 4319 4320 4321 4322 4323
				 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);
4324

Y
Yaniv Rosner 已提交
4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344
	/* 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);
4345
	}
Y
Yaniv Rosner 已提交
4346 4347

	if (link_up) {
4348 4349 4350 4351 4352 4353 4354
		/* 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);
4355 4356 4357 4358
			/*
			 * Set bit 3 to invert Rx in 1G mode and clear this bit
			 * when it`s in 10G mode.
			 */
4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370
			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
4371 4372
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
4373
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
4374 4375
	}
	return link_up;
Y
Yaniv Rosner 已提交
4376 4377
}

Y
Yaniv Rosner 已提交
4378 4379 4380 4381 4382
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
4383 4384 4385 4386
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
4387 4388 4389
	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
4390 4391
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
4392 4393 4394 4395 4396
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
4397 4398 4399
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
4400 4401
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4402
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
4403 4404
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
4405
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
4406 4407 4408
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
4409
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
4410

Y
Yaniv Rosner 已提交
4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422
	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
4423

Y
Yaniv Rosner 已提交
4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434
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);
4435

Y
Yaniv Rosner 已提交
4436 4437 4438
	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);
4439

Y
Yaniv Rosner 已提交
4440 4441
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
4442

Y
Yaniv Rosner 已提交
4443 4444 4445 4446
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
4447

Y
Yaniv Rosner 已提交
4448 4449 4450 4451 4452
	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);
4453
	}
Y
Yaniv Rosner 已提交
4454 4455
	return link_up;
}
4456

Y
Yaniv Rosner 已提交
4457 4458 4459
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473
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);
}
static void bnx2x_sfp_set_transmitter(struct link_params *params,
Y
Yaniv Rosner 已提交
4474 4475 4476 4477
				      struct bnx2x_phy *phy,
				      u8 tx_en)
{
	u16 val;
4478 4479 4480
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 tx_en_mode;
4481

Y
Yaniv Rosner 已提交
4482
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
4483 4484 4485 4486 4487 4488 4489 4490
	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:
4491

4492 4493 4494 4495
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);
Y
Yaniv Rosner 已提交
4496

4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527
		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
4528 4529
}

Y
Yaniv Rosner 已提交
4530 4531 4532
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
4533 4534
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4535 4536 4537 4538 4539 4540 4541 4542
	u16 val = 0;
	u16 i;
	if (byte_cnt > 16) {
		DP(NETIF_MSG_LINK, "Reading from eeprom is"
			    " is limited to 0xf\n");
		return -EINVAL;
	}
	/* Set the read command byte count */
4543
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4544
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
4545
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
4546

Y
Yaniv Rosner 已提交
4547 4548 4549
	/* 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
4550
			 addr);
Y
Yaniv Rosner 已提交
4551

Y
Yaniv Rosner 已提交
4552
	/* Activate read command */
4553
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4554
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
4555
			 0x2c0f);
Y
Yaniv Rosner 已提交
4556

Y
Yaniv Rosner 已提交
4557 4558 4559
	/* 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
4560 4561
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4562 4563 4564 4565
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
4566 4567
	}

Y
Yaniv Rosner 已提交
4568 4569 4570 4571 4572 4573
	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;
4574
	}
Y
Yaniv Rosner 已提交
4575

Y
Yaniv Rosner 已提交
4576 4577
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
4578
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4579 4580
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
4581
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
4582
	}
Y
Yaniv Rosner 已提交
4583

Y
Yaniv Rosner 已提交
4584 4585
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4586 4587
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4588 4589
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
4590
			return 0;
Y
Yaniv Rosner 已提交
4591 4592 4593
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
4594
}
E
Eilon Greenstein 已提交
4595

Y
Yaniv Rosner 已提交
4596 4597 4598
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
4599 4600
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4601
	u16 val, i;
Y
Yaniv Rosner 已提交
4602

Y
Yaniv Rosner 已提交
4603 4604 4605 4606 4607
	if (byte_cnt > 16) {
		DP(NETIF_MSG_LINK, "Reading from eeprom is"
			    " is limited to 0xf\n");
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
4608

Y
Yaniv Rosner 已提交
4609 4610
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4611 4612 4613
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
4614

Y
Yaniv Rosner 已提交
4615
	/* Set the read command byte count */
4616
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4617 4618 4619
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
4620

Y
Yaniv Rosner 已提交
4621
	/* Set the read command address */
4622
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4623 4624 4625
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
4626
	/* Set the destination address */
4627
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4628 4629 4630
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
4631

Y
Yaniv Rosner 已提交
4632
	/* Activate read command */
4633
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4634 4635 4636
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
4637 4638 4639 4640
	/*
	 * Wait appropriate time for two-wire command to finish before
	 * polling the status register
	 */
Y
Yaniv Rosner 已提交
4641
	msleep(1);
E
Eilon Greenstein 已提交
4642

Y
Yaniv Rosner 已提交
4643 4644
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
4645
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4646 4647
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4648 4649 4650 4651
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
4652
	}
E
Eilon Greenstein 已提交
4653

Y
Yaniv Rosner 已提交
4654 4655 4656 4657 4658
	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));
4659
		return -EFAULT;
Y
Yaniv Rosner 已提交
4660
	}
4661

Y
Yaniv Rosner 已提交
4662 4663 4664
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4665 4666
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
4667 4668
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
4669

Y
Yaniv Rosner 已提交
4670 4671
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4672 4673
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4674 4675
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
4676
			return 0;
Y
Yaniv Rosner 已提交
4677
		msleep(1);
4678 4679
	}

Y
Yaniv Rosner 已提交
4680
	return -EINVAL;
Y
Yaniv Rosner 已提交
4681 4682
}

Y
Yaniv Rosner 已提交
4683 4684 4685
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
4686
{
Y
Yaniv Rosner 已提交
4687
	int rc = -EINVAL;
Y
Yaniv Rosner 已提交
4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699
	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;
	}
	return rc;
Y
Yaniv Rosner 已提交
4700 4701
}

Y
Yaniv Rosner 已提交
4702 4703 4704
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			      struct link_params *params,
			      u16 *edc_mode)
Y
Yaniv Rosner 已提交
4705 4706
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4707
	u32 sync_offset = 0, phy_idx, media_types;
Y
Yaniv Rosner 已提交
4708 4709
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
4710

Y
Yaniv Rosner 已提交
4711
	phy->media_type = ETH_PHY_UNSPECIFIED;
Y
Yaniv Rosner 已提交
4712 4713 4714 4715 4716 4717 4718 4719 4720
	/* First check for copper cable */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
					 SFP_EEPROM_CON_TYPE_ADDR,
					 1,
					 &val) != 0) {
		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
		return -EINVAL;
	}
4721

Y
Yaniv Rosner 已提交
4722 4723 4724 4725
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
Y
Yaniv Rosner 已提交
4726
		phy->media_type = ETH_PHY_DA_TWINAX;
4727 4728 4729 4730
		/*
		 * Check if its active cable (includes SFP+ module)
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
					       &copper_module_type) !=
		    0) {
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
4742

Y
Yaniv Rosner 已提交
4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758
		if (copper_module_type &
		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
			check_limiting_mode = 1;
		} else if (copper_module_type &
			SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
				DP(NETIF_MSG_LINK, "Passive Copper"
					    " cable detected\n");
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
			DP(NETIF_MSG_LINK, "Unknown copper-cable-"
				     "type 0x%x !!!\n", copper_module_type);
			return -EINVAL;
		}
		break;
4759
	}
Y
Yaniv Rosner 已提交
4760
	case SFP_EEPROM_CON_TYPE_VAL_LC:
Y
Yaniv Rosner 已提交
4761
		phy->media_type = ETH_PHY_SFP_FIBER;
Y
Yaniv Rosner 已提交
4762 4763 4764 4765 4766 4767 4768
		DP(NETIF_MSG_LINK, "Optic module detected\n");
		check_limiting_mode = 1;
		break;
	default:
		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
			 val);
		return -EINVAL;
4769
	}
Y
Yaniv Rosner 已提交
4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785
	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
4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800
	if (check_limiting_mode) {
		u8 options[SFP_EEPROM_OPTIONS_SIZE];
		if (bnx2x_read_sfp_module_eeprom(phy,
						 params,
						 SFP_EEPROM_OPTIONS_ADDR,
						 SFP_EEPROM_OPTIONS_SIZE,
						 options) != 0) {
			DP(NETIF_MSG_LINK, "Failed to read Option"
				" field from module EEPROM\n");
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
4801
	}
Y
Yaniv Rosner 已提交
4802
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4803
	return 0;
Y
Yaniv Rosner 已提交
4804
}
4805 4806 4807 4808
/*
 * This function read the relevant field from the module (SFP+), and verify it
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
4809 4810
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				   struct link_params *params)
Y
Yaniv Rosner 已提交
4811 4812
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4813 4814
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
4815 4816
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
4817
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4818 4819 4820 4821 4822 4823 4824 4825
	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
4826

Y
Yaniv Rosner 已提交
4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841
	if (params->feature_config_flags &
	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
		/* Use specific phy request */
		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
	} else if (params->feature_config_flags &
		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
		/* Use first phy request only in case of non-dual media*/
		if (DUAL_MEDIA(params)) {
			DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
			   "verification\n");
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
Y
Yaniv Rosner 已提交
4842
		DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Y
Yaniv Rosner 已提交
4843
			  "verification\n");
Y
Yaniv Rosner 已提交
4844 4845
		return -EINVAL;
	}
4846

Y
Yaniv Rosner 已提交
4847 4848
	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
4849 4850 4851 4852
	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
4853

Y
Yaniv Rosner 已提交
4854 4855 4856
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
4857 4858 4859
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
4860 4861 4862 4863 4864
		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
4865 4866 4867
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
4868 4869 4870 4871
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

4872 4873 4874
	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
			      " Port %d from %s part number %s\n",
			 params->port, vendor_name, vendor_pn);
Y
Yaniv Rosner 已提交
4875
	phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4876
	return -EINVAL;
Y
Yaniv Rosner 已提交
4877
}
4878

Y
Yaniv Rosner 已提交
4879 4880
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						 struct link_params *params)
4881

E
Eilon Greenstein 已提交
4882
{
Y
Yaniv Rosner 已提交
4883
	u8 val;
E
Eilon Greenstein 已提交
4884
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4885
	u16 timeout;
4886 4887 4888 4889 4890
	/*
	 * Initialization time after hot-plug may take up to 300ms for
	 * some phys type ( e.g. JDSU )
	 */

Y
Yaniv Rosner 已提交
4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901
	for (timeout = 0; timeout < 60; timeout++) {
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
			DP(NETIF_MSG_LINK, "SFP+ module initialization "
				     "took %d ms\n", timeout * 5);
			return 0;
		}
		msleep(5);
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
4902

Y
Yaniv Rosner 已提交
4903 4904 4905 4906 4907 4908
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;
	/*
4909
	 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
4910 4911 4912 4913 4914 4915
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
	 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
	 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
4916
	 *
Y
Yaniv Rosner 已提交
4917 4918 4919 4920 4921
	 * 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;
4922
	if (is_power_up)
Y
Yaniv Rosner 已提交
4923 4924 4925 4926 4927 4928
		val = (1<<4);
	else
		/*
		 * Set GPIO control to OUTPUT, and set the power bit
		 * to according to the is_power_up
		 */
4929
		val = (1<<1);
E
Eilon Greenstein 已提交
4930

Y
Yaniv Rosner 已提交
4931 4932 4933 4934 4935
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
4936

Y
Yaniv Rosner 已提交
4937 4938 4939
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
4940 4941
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
4942

Y
Yaniv Rosner 已提交
4943
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4944 4945 4946
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
4947 4948 4949 4950
	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
4951
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
4952
		bnx2x_cl45_write(bp, phy,
4953
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
4954 4955 4956
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
4957

Y
Yaniv Rosner 已提交
4958
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
4959

4960 4961 4962 4963
		/*
		 * Changing to LRM mode takes quite few seconds. So do it only
		 * if current mode is limiting (default is LRM)
		 */
Y
Yaniv Rosner 已提交
4964 4965
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
4966

Y
Yaniv Rosner 已提交
4967
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4968 4969 4970
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
4971
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4972 4973 4974
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
4975
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4976 4977 4978
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
4979
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4980 4981 4982
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
4983
	}
Y
Yaniv Rosner 已提交
4984
	return 0;
E
Eilon Greenstein 已提交
4985 4986
}

Y
Yaniv Rosner 已提交
4987 4988 4989
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
4990
{
Y
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4991 4992
	u16 phy_identifier;
	u16 rom_ver2_val;
4993
	bnx2x_cl45_read(bp, phy,
Y
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4994 4995 4996
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
4997

Y
Yaniv Rosner 已提交
4998
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4999 5000 5001
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
5002

5003
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5004 5005 5006
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
5007 5008
	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
	bnx2x_cl45_write(bp, phy,
Y
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5009 5010 5011
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
5012

Y
Yaniv Rosner 已提交
5013
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5014 5015 5016
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
5017

Y
Yaniv Rosner 已提交
5018
	return 0;
Y
Yaniv Rosner 已提交
5019
}
Y
Yaniv Rosner 已提交
5020

Y
Yaniv Rosner 已提交
5021 5022 5023 5024 5025 5026 5027 5028
static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
				     struct link_params *params,
				     u32 action)
{
	struct bnx2x *bp = params->bp;

	switch (action) {
	case DISABLE_TX:
5029
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
5030 5031 5032
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
5033
			bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
5034 5035 5036 5037 5038 5039 5040 5041
		break;
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073
static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
					   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);
	}
}

Y
Yaniv Rosner 已提交
5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105
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;
	default:
		break;
	}
}

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;
	}
}

Y
Yaniv Rosner 已提交
5106 5107
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
			       struct link_params *params)
Y
Yaniv Rosner 已提交
5108 5109
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5110
	u16 edc_mode;
Y
Yaniv Rosner 已提交
5111
	int rc = 0;
Y
Yaniv Rosner 已提交
5112

Y
Yaniv Rosner 已提交
5113 5114 5115
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
5116

Y
Yaniv Rosner 已提交
5117 5118
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
Y
Yaniv Rosner 已提交
5119 5120
	/* Power up module */
	bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
5121 5122 5123
	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
5124
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yaniv Rosner 已提交
5125 5126 5127 5128
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
5129 5130 5131
		bnx2x_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

Y
Yaniv Rosner 已提交
5132 5133 5134
		/* 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
5135
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Y
Yaniv Rosner 已提交
5136
			bnx2x_power_sfp_module(params, phy, 0);
Y
Yaniv Rosner 已提交
5137 5138 5139 5140
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
5141
		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
5142
	}
Y
Yaniv Rosner 已提交
5143

5144 5145 5146 5147
	/*
	 * Check and set limiting mode / LRM mode on 8726. On 8727 it
	 * is done automatically
	 */
Y
Yaniv Rosner 已提交
5148 5149
	bnx2x_set_limiting_mode(params, phy, edc_mode);

Y
Yaniv Rosner 已提交
5150 5151 5152 5153 5154 5155 5156
	/*
	 * Enable transmit for this module if the module is approved, or
	 * if unapproved modules should also enable the Tx laser
	 */
	if (rc == 0 ||
	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
5157
		bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
5158
	else
5159
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
5160

Y
Yaniv Rosner 已提交
5161 5162 5163 5164
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
5165 5166
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5167 5168 5169
	struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
	u32 gpio_val;
	u8 port = params->port;
E
Eilon Greenstein 已提交
5170

Y
Yaniv Rosner 已提交
5171
	/* Set valid module led off */
5172
	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
E
Eilon Greenstein 已提交
5173

5174
	/* Get current gpio val reflecting module plugged in / out*/
Y
Yaniv Rosner 已提交
5175
	gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5176

Y
Yaniv Rosner 已提交
5177 5178
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
Y
Yaniv Rosner 已提交
5179
		bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
5180 5181 5182
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   port);
E
Eilon Greenstein 已提交
5183

Y
Yaniv Rosner 已提交
5184 5185 5186 5187 5188 5189
		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
	} else {
		u32 val = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
5190 5191 5192
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
E
Eilon Greenstein 已提交
5193

Y
Yaniv Rosner 已提交
5194 5195 5196
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
				   port);
5197 5198 5199 5200
		/*
		 * Module was plugged out.
		 * Disable transmit for this module
		 */
Y
Yaniv Rosner 已提交
5201
		phy->media_type = ETH_PHY_NOT_PRESENT;
Y
Yaniv Rosner 已提交
5202 5203
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
5204
			bnx2x_sfp_set_transmitter(params, phy, 0);
5205
	}
Y
Yaniv Rosner 已提交
5206
}
5207

5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230
/******************************************************************/
/*		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
5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242
/******************************************************************/
/*		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*/
5243
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5244
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
5245 5246 5247 5248

	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
			     MDIO_PMA_REG_TX_ALARM_CTRL);

Y
Yaniv Rosner 已提交
5249 5250 5251 5252 5253 5254
	/* clear LASI indication*/
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
5255 5256

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5257 5258 5259 5260 5261 5262 5263
			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);
5264

Y
Yaniv Rosner 已提交
5265 5266
	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);
5267 5268 5269
	/*
	 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
	 * are set, or if the autoneg bit 1 is set
Y
Yaniv Rosner 已提交
5270 5271 5272 5273 5274 5275 5276
	 */
	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;
5277
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
5278
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
5279
	}
5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290

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

5291
	return link_up;
Y
Yaniv Rosner 已提交
5292
}
5293

Y
Yaniv Rosner 已提交
5294 5295 5296 5297
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
5298 5299 5300
				 struct link_params *params,
				 struct link_vars *vars)
{
5301 5302
	u32 tx_en_mode;
	u16 cnt, val, tmp1;
Y
Yaniv Rosner 已提交
5303
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5304
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
5305
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
5306 5307 5308
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
5309
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
5310

Y
Yaniv Rosner 已提交
5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340
	/* Wait until fw is loaded */
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
		if (val)
			break;
		msleep(10);
	}
	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		u8 i;
		u16 reg;
		for (i = 0; i < 4; i++) {
			reg = MDIO_XS_8706_REG_BANK_RX0 +
				i*(MDIO_XS_8706_REG_BANK_RX1 -
				   MDIO_XS_8706_REG_BANK_RX0);
			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
			/* Clear first 3 bits of the control */
			val &= ~0x7;
			/* Set control bits according to configuration */
			val |= (phy->rx_preemphasis[i] & 0x7);
			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
				   " reg 0x%x <-- val 0x%x\n", reg, val);
			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
		}
	}
	/* Force speed */
	if (phy->req_line_speed == SPEED_10000) {
		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
Y
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5341

Y
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5342 5343 5344 5345
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
5346 5347 5348 5349 5350
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
				 0);
		/* Arm LASI for link and Tx fault. */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
Y
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5351
	} else {
L
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5352
		/* Force 1Gbps using autoneg with 1G advertisement */
Y
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5353

Y
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5354 5355 5356 5357
		/* 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
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5358

L
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5359
		/* Enable Full-Duplex advertisement on CL37 */
Y
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5360 5361 5362 5363 5364 5365 5366 5367
		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
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5368

Y
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5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x0400);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399

	/*
	 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
	 * 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);
	}

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5400 5401
	return 0;
}
Y
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5402

Y
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5403 5404 5405
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
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5406 5407 5408
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
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5409

Y
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5410 5411 5412 5413 5414 5415 5416 5417 5418 5419
/******************************************************************/
/*			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);
}
5420

Y
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5421 5422 5423 5424 5425 5426
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);
5427

Y
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5428 5429 5430
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
5431

Y
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5432 5433
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
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5434 5435 5436
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
5437

Y
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5438
	bnx2x_cl45_write(bp, phy,
Y
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5439 5440
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
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5441

Y
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5442
	bnx2x_cl45_write(bp, phy,
Y
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5443 5444 5445
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
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5446 5447 5448 5449 5450 5451

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

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
	bnx2x_cl45_write(bp, phy,
Y
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5452 5453
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
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5454 5455 5456

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
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5457 5458
}

Y
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5459
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
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5460 5461 5462 5463
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
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5464 5465
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
5466 5467
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
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5468 5469 5470 5471 5472 5473 5474
				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;
		}
5475 5476
	}
	return link_up;
Y
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5477 5478
}

Y
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5479

Y
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5480 5481 5482
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
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5483 5484
{
	struct bnx2x *bp = params->bp;
Y
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5485 5486 5487
	u32 val;
	u32 swap_val, swap_override, aeu_gpio_mask, offset;
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
5488

Y
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5489
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
5490
	bnx2x_wait_reset_complete(bp, phy, params);
5491

Y
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5492
	bnx2x_8726_external_rom_boot(phy, params);
5493

5494 5495 5496 5497 5498 5499
	/*
	 * Need to call module detected on initialization since the module
	 * detection triggered by actual module insertion might occur before
	 * driver is loaded, and when driver is loaded, it reset all
	 * registers, including the transmitter
	 */
Y
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5500
	bnx2x_sfp_module_detection(phy, params);
5501

Y
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5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		   (phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
		   ((phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
		/* Set Flow control */
		bnx2x_ext_phy_set_pause(params, phy, vars);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		bnx2x_cl45_write(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
5532 5533 5534 5535
		/*
		 * Enable RX-ALARM control to receive interrupt for 1G speed
		 * change
		 */
Y
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5536 5537 5538 5539 5540
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
5541

Y
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5542 5543 5544
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
5545 5546
	}

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5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
			 "TX_CTRL2 0x%x\n",
			 phy->tx_preemphasis[0],
			 phy->tx_preemphasis[1]);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL1,
				 phy->tx_preemphasis[0]);
5558

Y
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5559 5560 5561 5562 5563
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
5564

Y
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5565 5566
	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
Y
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5567
		       MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
Y
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5568

Y
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5569 5570 5571
	/* The GPIO should be swapped if the swap register is set and active */
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Y
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5572

Y
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5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583
	/* Select function upon port-swap configuration */
	if (params->port == 0) {
		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
		aeu_gpio_mask = (swap_val && swap_override) ?
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
	} else {
		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
		aeu_gpio_mask = (swap_val && swap_override) ?
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
Y
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5584
	}
Y
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5585 5586 5587 5588 5589
	val = REG_RD(bp, offset);
	/* add GPIO3 to group */
	val |= aeu_gpio_mask;
	REG_WR(bp, offset, val);
	return 0;
5590

Y
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5591 5592
}

Y
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5593 5594
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
5595
{
Y
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5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606
	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			  */
/******************************************************************/
5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653

static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 led_mode_bitmask = 0;
	u16 gpio_pins_bitmask = 0;
	u16 val;
	/* Only NOC flavor requires to set the LED specifically */
	if (!(phy->flags & FLAGS_NOC))
		return;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x03;
		break;
	case LED_MODE_ON:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x02;
		break;
	case LED_MODE_OPER:
		led_mode_bitmask = 0x60;
		gpio_pins_bitmask = 0x11;
		break;
	}
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val &= 0xff8f;
	val |= led_mode_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			 val);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_GPIO_CTRL,
			&val);
	val &= 0xffe0;
	val |= gpio_pins_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
Y
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5654 5655 5656 5657
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
5658
	/*
Y
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5659 5660
	 * The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
5661
	 */
Y
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5662 5663 5664 5665 5666
	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
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5667
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
5668
}
Y
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5669

Y
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5670 5671 5672
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
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5673
{
5674 5675
	u32 tx_en_mode;
	u16 tmp1, val, mod_abs, tmp2;
Y
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5676 5677
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
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5678
	struct bnx2x *bp = params->bp;
Y
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5679
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
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5680

5681
	bnx2x_wait_reset_complete(bp, phy, params);
Y
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5682
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
5683 5684
	/* Should be 0x6 to enable XS on Tx side. */
	lasi_ctrl_val = 0x0006;
Y
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5685

Y
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5686 5687 5688 5689 5690
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
			 rx_alarm_ctrl_val);
5691 5692 5693
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
			 0);
Y
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5694 5695
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
Y
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5696

5697 5698 5699 5700
	/*
	 * Initially configure MOD_ABS to interrupt when module is
	 * presence( bit 8)
	 */
Y
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5701 5702
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
5703 5704 5705 5706 5707
	/*
	 * 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'
	 */
5708 5709 5710
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
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5711 5712
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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5713 5714


Y
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5715 5716 5717 5718
	/* 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);
5719 5720
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
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5721

5722
	/*
5723 5724 5725 5726 5727
	 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
	 * status which reflect SFP+ module over-current
	 */
	if (!(phy->flags & FLAGS_NOC))
		val &= 0xff8f; /* Reset bits 4-6 */
Y
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5728 5729
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
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5730

Y
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5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748
	bnx2x_8727_power_module(bp, phy, 1);

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

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

	/* Set option 1G speed */
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
5749
		/*
Y
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5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761
		 * Power down the XAUI until link is up in case of dual-media
		 * and 1G
		 */
		if (DUAL_MEDIA(params)) {
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8727_PCS_GP, &val);
			val |= (3<<10);
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8727_PCS_GP, val);
		}
Y
Yaniv Rosner 已提交
5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774
	} 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 {
5775
		/*
Y
Yaniv Rosner 已提交
5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788
		 * 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
5789 5790
	}

5791 5792
	/*
	 * Set 2-wire transfer rate of SFP+ module EEPROM
Y
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5793 5794 5795 5796 5797 5798
	 * to 100Khz since some DACs(direct attached cables) do
	 * not work at 400Khz.
	 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
			 0xa001);
Y
Yaniv Rosner 已提交
5799

Y
Yaniv Rosner 已提交
5800 5801 5802 5803 5804 5805 5806 5807 5808
	/* 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
5809

Y
Yaniv Rosner 已提交
5810 5811 5812 5813
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
Yaniv Rosner 已提交
5814

5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834
	/*
	 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
	 * 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);
	}

Y
Yaniv Rosner 已提交
5835
	return 0;
Y
Yaniv Rosner 已提交
5836 5837
}

Y
Yaniv Rosner 已提交
5838 5839
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
Yaniv Rosner 已提交
5840 5841
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5842 5843 5844 5845 5846 5847
	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
5848 5849
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
Yaniv Rosner 已提交
5850
	if (mod_abs & (1<<8)) {
Y
Yaniv Rosner 已提交
5851

Y
Yaniv Rosner 已提交
5852 5853 5854
		/* Module is absent */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is absent\n");
Y
Yaniv Rosner 已提交
5855
		phy->media_type = ETH_PHY_NOT_PRESENT;
5856 5857 5858 5859 5860 5861 5862 5863
		/*
		 * 1. Set mod_abs to detect next module
		 *    presence event
		 * 2. Set EDC off by setting OPTXLOS signal input to low
		 *    (bit 9).
		 *    When the EDC is off it locks onto a reference clock and
		 *    avoids becoming 'lost'.
		 */
5864 5865 5866
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
5867
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5868 5869
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
5870

5871 5872 5873 5874
		/*
		 * Clear RX alarm since it stays up as long as
		 * the mod_abs wasn't changed
		 */
Y
Yaniv Rosner 已提交
5875
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5876 5877
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
Yaniv Rosner 已提交
5878

Y
Yaniv Rosner 已提交
5879 5880 5881 5882
	} else {
		/* Module is present */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is present\n");
5883 5884 5885 5886 5887 5888 5889 5890
		/*
		 * First disable transmitter, and if the module is ok, the
		 * module_detection will enable it
		 * 1. Set mod_abs to detect next module absent event ( bit 8)
		 * 2. Restore the default polarity of the OPRXLOS signal and
		 * this signal will then correctly indicate the presence or
		 * absence of the Rx signal. (bit 9)
		 */
5891 5892 5893
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
5894
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5895 5896
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
5897

5898 5899 5900 5901 5902 5903
		/*
		 * Clear RX alarm since it stays up as long as the mod_abs
		 * wasn't changed. This is need to be done before calling the
		 * module detection, otherwise it will clear* the link update
		 * alarm
		 */
Y
Yaniv Rosner 已提交
5904 5905 5906
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
Yaniv Rosner 已提交
5907 5908


Y
Yaniv Rosner 已提交
5909 5910
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
5911
			bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
5912 5913 5914 5915 5916

		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
Yaniv Rosner 已提交
5917
	}
Y
Yaniv Rosner 已提交
5918 5919

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
5920 5921
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
Yaniv Rosner 已提交
5922 5923
}

Y
Yaniv Rosner 已提交
5924 5925 5926 5927
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
5928 5929
{
	struct bnx2x *bp = params->bp;
5930
	u8 link_up = 0, oc_port = params->port;
Y
Yaniv Rosner 已提交
5931
	u16 link_status = 0;
Y
Yaniv Rosner 已提交
5932 5933 5934 5935 5936 5937 5938 5939 5940
	u16 rx_alarm_status, lasi_ctrl, val1;

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

Y
Yaniv Rosner 已提交
5941 5942 5943 5944 5945 5946 5947
	/* Check the LASI */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

5948 5949 5950
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
			     MDIO_PMA_REG_TX_ALARM_CTRL);

Y
Yaniv Rosner 已提交
5951 5952 5953 5954 5955 5956 5957 5958 5959
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);

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

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

5960
	/*
Y
Yaniv Rosner 已提交
5961 5962 5963 5964 5965 5966 5967 5968 5969 5970
	 * If a module is present and there is need to check
	 * for over current
	 */
	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
		/* Check over-current using 8727 GPIO0 input*/
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
				&val1);

		if ((val1 & (1<<8)) == 0) {
5971 5972
			if (!CHIP_IS_E1x(bp))
				oc_port = BP_PATH(bp) + (params->port << 1);
Y
Yaniv Rosner 已提交
5973
			DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
5974
				       " on port %d\n", oc_port);
Y
Yaniv Rosner 已提交
5975 5976 5977 5978 5979 5980 5981
			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",
5982
			 oc_port);
5983
			/* Disable all RX_ALARMs except for mod_abs */
Y
Yaniv Rosner 已提交
5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));

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

	/* When module absent bit is set, check module */
	if (rx_alarm_status & (1<<5)) {
		bnx2x_8727_handle_mod_abs(phy, params);
		/* Enable all mod_abs and link detection bits */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 ((1<<5) | (1<<2)));
	}
Y
Yaniv Rosner 已提交
6012 6013
	DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
	bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Y
Yaniv Rosner 已提交
6014 6015 6016 6017 6018 6019 6020 6021 6022 6023 6024 6025
	/* If transmitter is disabled, ignore false link up indication */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
	if (val1 & (1<<15)) {
		DP(NETIF_MSG_LINK, "Tx is disabled\n");
		return 0;
	}

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

6026 6027 6028 6029
	/*
	 * Bits 0..2 --> speed detected,
	 * Bits 13..15--> link is down
	 */
Y
Yaniv Rosner 已提交
6030 6031 6032
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
6033 6034
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
6035 6036 6037 6038 6039 6040 6041 6042 6043 6044
	} 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);
	}
6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058

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

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

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

6059
	if (link_up) {
Y
Yaniv Rosner 已提交
6060
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
6061 6062 6063
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
Yaniv Rosner 已提交
6064 6065 6066 6067 6068 6069

	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);
6070
		/*
Y
Yaniv Rosner 已提交
6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081
		 * In case of dual-media board and 1G, power up the XAUI side,
		 * otherwise power it down. For 10G it is done automatically
		 */
		if (link_up)
			val1 &= ~(3<<10);
		else
			val1 |= (3<<10);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8727_PCS_GP, val1);
	}
Y
Yaniv Rosner 已提交
6082
	return link_up;
Y
Yaniv Rosner 已提交
6083
}
Y
Yaniv Rosner 已提交
6084

Y
Yaniv Rosner 已提交
6085 6086
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
6087 6088
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6089
	/* Disable Transmitter */
6090
	bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
6091 6092 6093
	/* Clear LASI */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);

Y
Yaniv Rosner 已提交
6094
}
6095

Y
Yaniv Rosner 已提交
6096 6097 6098 6099 6100
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
					   struct link_params *params)
Y
Yaniv Rosner 已提交
6101
{
Y
Yaniv Rosner 已提交
6102 6103
	u16 val, fw_ver1, fw_ver2, cnt;
	u8 port;
Y
Yaniv Rosner 已提交
6104
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6105

Y
Yaniv Rosner 已提交
6106
	port = params->port;
6107

Y
Yaniv Rosner 已提交
6108 6109
	/* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
	/* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Y
Yaniv Rosner 已提交
6110 6111 6112 6113 6114
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Y
Yaniv Rosner 已提交
6115

Y
Yaniv Rosner 已提交
6116
	for (cnt = 0; cnt < 100; cnt++) {
Y
Yaniv Rosner 已提交
6117
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Y
Yaniv Rosner 已提交
6118 6119 6120 6121 6122 6123
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Y
Yaniv Rosner 已提交
6124
		bnx2x_save_spirom_version(bp, port, 0,
Y
Yaniv Rosner 已提交
6125 6126 6127
					  phy->ver_addr);
		return;
	}
Y
Yaniv Rosner 已提交
6128 6129


Y
Yaniv Rosner 已提交
6130
	/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Y
Yaniv Rosner 已提交
6131 6132 6133
	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);
Y
Yaniv Rosner 已提交
6134
	for (cnt = 0; cnt < 100; cnt++) {
Y
Yaniv Rosner 已提交
6135
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Y
Yaniv Rosner 已提交
6136 6137 6138 6139 6140 6141
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Y
Yaniv Rosner 已提交
6142
		bnx2x_save_spirom_version(bp, port, 0,
Y
Yaniv Rosner 已提交
6143 6144
					  phy->ver_addr);
		return;
Y
Yaniv Rosner 已提交
6145 6146
	}

Y
Yaniv Rosner 已提交
6147
	/* lower 16 bits of the register SPI_FW_STATUS */
Y
Yaniv Rosner 已提交
6148
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Y
Yaniv Rosner 已提交
6149
	/* upper 16 bits of register SPI_FW_STATUS */
Y
Yaniv Rosner 已提交
6150
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
Yaniv Rosner 已提交
6151

Y
Yaniv Rosner 已提交
6152
	bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Y
Yaniv Rosner 已提交
6153 6154
				  phy->ver_addr);
}
Y
Yaniv Rosner 已提交
6155

Y
Yaniv Rosner 已提交
6156 6157
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
6158
{
Y
Yaniv Rosner 已提交
6159
	u16 val;
Y
Yaniv Rosner 已提交
6160

Y
Yaniv Rosner 已提交
6161 6162 6163
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6164
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Y
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6165 6166
	val &= 0xFE00;
	val |= 0x0092;
6167

Y
Yaniv Rosner 已提交
6168 6169
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6170
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
6171

Y
Yaniv Rosner 已提交
6172 6173
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6174
			 MDIO_PMA_REG_8481_LED1_MASK,
Y
Yaniv Rosner 已提交
6175
			 0x80);
Y
Yaniv Rosner 已提交
6176

Y
Yaniv Rosner 已提交
6177 6178
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6179
			 MDIO_PMA_REG_8481_LED2_MASK,
Y
Yaniv Rosner 已提交
6180
			 0x18);
Y
Yaniv Rosner 已提交
6181

Y
Yaniv Rosner 已提交
6182
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
Yaniv Rosner 已提交
6183 6184
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6185
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
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6186 6187 6188 6189 6190
			 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
6191
			MDIO_PMA_REG_8481_LED3_BLINK,
Y
Yaniv Rosner 已提交
6192 6193 6194 6195
			0);

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6196
			MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Y
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6197 6198 6199 6200
	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/

	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6201
			 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Y
Yaniv Rosner 已提交
6202

Y
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6203 6204 6205 6206
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
6207 6208
}

Y
Yaniv Rosner 已提交
6209 6210 6211
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
6212
{
6213
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6214
	u16 autoneg_val, an_1000_val, an_10_100_val;
Y
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6215 6216 6217 6218 6219 6220 6221
	u16 tmp_req_line_speed;

	tmp_req_line_speed = phy->req_line_speed;
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
		if (phy->req_line_speed == SPEED_10000)
			phy->req_line_speed = SPEED_AUTO_NEG;

6222 6223 6224 6225 6226
	/*
	 * 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
	 */
Y
Yaniv Rosner 已提交
6227 6228
	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
Y
Yaniv Rosner 已提交
6229

Y
Yaniv Rosner 已提交
6230 6231
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
6232

Y
Yaniv Rosner 已提交
6233
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
6234

Y
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6235 6236 6237 6238
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
6239

Y
Yaniv Rosner 已提交
6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250
	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
6251

Y
Yaniv Rosner 已提交
6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262
	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
6263

Y
Yaniv Rosner 已提交
6264 6265 6266
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
6267

Y
Yaniv Rosner 已提交
6268 6269 6270 6271 6272 6273 6274 6275
	/* set 10 speed advertisement */
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask &
	     (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
		an_10_100_val |= (1<<7);
		/* Enable autoneg and restart autoneg for legacy speeds */
		autoneg_val |= (1<<9 | 1<<12);
Y
Yaniv Rosner 已提交
6276

Y
Yaniv Rosner 已提交
6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291
		if (phy->req_duplex == DUPLEX_FULL)
			an_10_100_val |= (1<<8);
		DP(NETIF_MSG_LINK, "Advertising 100M\n");
	}
	/* set 10 speed advertisement */
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	    (phy->speed_cap_mask &
	  (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
	   PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
		an_10_100_val |= (1<<5);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_10_100_val |= (1<<6);
		DP(NETIF_MSG_LINK, "Advertising 10M\n");
	}
Y
Yaniv Rosner 已提交
6292

Y
Yaniv Rosner 已提交
6293 6294 6295 6296 6297 6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308
	/* Only 10/100 are allowed to work in FORCE mode */
	if (phy->req_line_speed == SPEED_100) {
		autoneg_val |= (1<<13);
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
	if (phy->req_line_speed == SPEED_10) {
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 10M force\n");
	}
Y
Yaniv Rosner 已提交
6309

Y
Yaniv Rosner 已提交
6310 6311 6312
	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
6313

Y
Yaniv Rosner 已提交
6314 6315
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
6316

Y
Yaniv Rosner 已提交
6317 6318 6319
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
6320

Y
Yaniv Rosner 已提交
6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	    (phy->speed_cap_mask &
	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
		(phy->req_line_speed == SPEED_10000)) {
		DP(NETIF_MSG_LINK, "Advertising 10G\n");
		/* Restart autoneg for 10G*/

		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
				 0x3200);
	} else if (phy->req_line_speed != SPEED_10 &&
		   phy->req_line_speed != SPEED_100) {
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
6337
	}
Y
Yaniv Rosner 已提交
6338 6339 6340
	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, params);

Y
Yaniv Rosner 已提交
6341 6342
	phy->req_line_speed = tmp_req_line_speed;

Y
Yaniv Rosner 已提交
6343
	return 0;
Y
Yaniv Rosner 已提交
6344 6345
}

Y
Yaniv Rosner 已提交
6346 6347 6348
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
6349 6350
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6351 6352
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6353
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
6354

Y
Yaniv Rosner 已提交
6355 6356
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
6357
	bnx2x_wait_reset_complete(bp, phy, params);
6358

Y
Yaniv Rosner 已提交
6359 6360 6361
	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
6362

Y
Yaniv Rosner 已提交
6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418

#define PHY84833_HDSHK_WAIT 300
static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u32 idx;
	u16 val;
	u16 data = 0x01b1;
	struct bnx2x *bp = params->bp;
	/* Do pair swap */


	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_SCRATCH_REG2,
			PHY84833_CMD_OPEN_OVERRIDE);
	for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
		if (val == PHY84833_CMD_OPEN_FOR_CMDS)
			break;
		msleep(1);
	}
	if (idx >= PHY84833_HDSHK_WAIT) {
		DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
		return -EINVAL;
	}

	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_SCRATCH_REG4,
			data);
	/* Issue pair swap command */
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_SCRATCH_REG0,
			PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
	for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
		if ((val == PHY84833_CMD_COMPLETE_PASS) ||
			(val == PHY84833_CMD_COMPLETE_ERROR))
			break;
		msleep(1);
	}
	if ((idx >= PHY84833_HDSHK_WAIT) ||
		(val == PHY84833_CMD_COMPLETE_ERROR)) {
		DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
		return -EINVAL;
	}
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_SCRATCH_REG2,
			PHY84833_CMD_CLEAR_COMPLETE);
	DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
	return 0;
}

Y
Yaniv Rosner 已提交
6419 6420 6421
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
6422 6423
{
	struct bnx2x *bp = params->bp;
6424
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
6425
	u16 val;
Y
Yaniv Rosner 已提交
6426
	u16 temp;
6427
	u32 actual_phy_selection, cms_enable;
Y
Yaniv Rosner 已提交
6428
	int rc = 0;
6429

Y
Yaniv Rosner 已提交
6430
	msleep(1);
Y
Yaniv Rosner 已提交
6431 6432

	if (!(CHIP_IS_E1(bp)))
6433 6434 6435
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446

	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 {
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
	}

6447
	bnx2x_wait_reset_complete(bp, phy, params);
6448 6449
	/* Wait for GPHY to come out of reset */
	msleep(50);
Y
Yaniv Rosner 已提交
6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465

	/* Bring PHY out of super isolate mode */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		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);
		bnx2x_wait_reset_complete(bp, phy, params);
	}

	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
		bnx2x_84833_pair_swap_cfg(phy, params, vars);

6466 6467 6468
	/*
	 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
	 */
Y
Yaniv Rosner 已提交
6469 6470
	temp = vars->line_speed;
	vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
6471 6472
	bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
	bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
6473
	vars->line_speed = temp;
Y
Yaniv Rosner 已提交
6474 6475 6476 6477

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

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
6478
			MDIO_CTL_REG_84823_MEDIA, &val);
Y
Yaniv Rosner 已提交
6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490
	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
	val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
		MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;

	actual_phy_selection = bnx2x_phy_selection(params);

	switch (actual_phy_selection) {
	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
L
Lucas De Marchi 已提交
6491
		/* Do nothing. Essentially this is like the priority copper */
Y
Yaniv Rosner 已提交
6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510
		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
6511
			 MDIO_CTL_REG_84823_MEDIA, val);
Y
Yaniv Rosner 已提交
6512 6513 6514 6515 6516 6517 6518
	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
		bnx2x_save_848xx_spirom_version(phy, params);
6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533
	cms_enable = REG_RD(bp, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].default_cfg)) &
			PORT_HW_CFG_ENABLE_CMS_MASK;

	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);


Y
Yaniv Rosner 已提交
6534
	return rc;
Y
Yaniv Rosner 已提交
6535
}
Y
Yaniv Rosner 已提交
6536

Y
Yaniv Rosner 已提交
6537
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
6538 6539
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
6540 6541
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6542
	u16 val, val1, val2;
Y
Yaniv Rosner 已提交
6543
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
6544

6545

Y
Yaniv Rosner 已提交
6546 6547 6548 6549 6550
	/* 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
6551
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Y
Yaniv Rosner 已提交
6552 6553
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
6554

Y
Yaniv Rosner 已提交
6555 6556
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
6557
		vars->line_speed = SPEED_10000;
6558
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
6559 6560 6561 6562
		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
6563

Y
Yaniv Rosner 已提交
6564 6565 6566 6567
		/* 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
6568

Y
Yaniv Rosner 已提交
6569 6570 6571 6572 6573
		/* 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
6574

Y
Yaniv Rosner 已提交
6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587
		DP(NETIF_MSG_LINK, "Legacy speed status"
			     " = 0x%x\n", legacy_status);
		link_up = ((legacy_status & (1<<11)) == (1<<11));
		if (link_up) {
			legacy_speed = (legacy_status & (3<<9));
			if (legacy_speed == (0<<9))
				vars->line_speed = SPEED_10;
			else if (legacy_speed == (1<<9))
				vars->line_speed = SPEED_100;
			else if (legacy_speed == (2<<9))
				vars->line_speed = SPEED_1000;
			else /* Should not happen */
				vars->line_speed = 0;
Y
Yaniv Rosner 已提交
6588

Y
Yaniv Rosner 已提交
6589 6590 6591 6592
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
6593

Y
Yaniv Rosner 已提交
6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611
			DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
				   " is_duplex_full= %d\n", vars->line_speed,
				   (vars->duplex == DUPLEX_FULL));
			/* Check legacy speed AN resolution */
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
					&val);
			if (val & (1<<5))
				vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
					&val);
			if ((val & (1<<0)) == 0)
				vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
Y
Yaniv Rosner 已提交
6612 6613
		}
	}
Y
Yaniv Rosner 已提交
6614 6615 6616 6617 6618
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
E
Eilon Greenstein 已提交
6619

Y
Yaniv Rosner 已提交
6620
	return link_up;
Y
Yaniv Rosner 已提交
6621 6622
}

Y
Yaniv Rosner 已提交
6623 6624

static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
6625
{
Y
Yaniv Rosner 已提交
6626
	int status = 0;
Y
Yaniv Rosner 已提交
6627 6628 6629 6630
	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
6631
}
Y
Yaniv Rosner 已提交
6632 6633 6634

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
6635
{
Y
Yaniv Rosner 已提交
6636
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6637
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
Yaniv Rosner 已提交
6638
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6639
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
6640
}
Y
Yaniv Rosner 已提交
6641

Y
Yaniv Rosner 已提交
6642 6643 6644 6645 6646 6647 6648 6649 6650 6651 6652 6653 6654
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;
6655
	u8 port;
Y
Yaniv Rosner 已提交
6656 6657

	if (!(CHIP_IS_E1(bp)))
6658 6659 6660
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
6661 6662 6663 6664 6665 6666 6667 6668 6669 6670

	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 {
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x800);
	}
Y
Yaniv Rosner 已提交
6671 6672
}

6673 6674 6675 6676 6677
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
6678 6679 6680 6681 6682 6683
	u8 port;

	if (!(CHIP_IS_E1(bp)))
		port = BP_PATH(bp);
	else
		port = params->port;
6684 6685 6686 6687

	switch (mode) {
	case LED_MODE_OFF:

Y
Yaniv Rosner 已提交
6688
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 6722 6723

		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
6724
		   port);
6725 6726 6727 6728 6729 6730

		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
6731 6732 6733
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
6734 6735

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6736 6737 6738
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);
6739 6740

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6741 6742 6743
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
6744 6745

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6746 6747 6748
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
6749 6750 6751 6752 6753 6754 6755 6756 6757 6758

		} 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
6759
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771

		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
6772 6773 6774
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
6775 6776 6777

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6778 6779 6780
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
6781 6782

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6783 6784 6785
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
6786 6787

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6788 6789 6790
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
6791 6792

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6793 6794 6795
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
6796 6797
		} else {
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6798 6799 6800
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
6801 6802 6803 6804 6805
		}
		break;

	case LED_MODE_OPER:

Y
Yaniv Rosner 已提交
6806
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817

		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
6818 6819
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
6820
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
6821 6822 6823 6824 6825 6826 6827 6828
				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
6829 6830 6831
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
6832 6833

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6834 6835 6836
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
6837 6838

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6839 6840 6841
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
6842 6843

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6844 6845 6846
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
6847 6848 6849 6850 6851 6852

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
6853 6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864

			/* 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);
6865 6866 6867 6868
		}
		break;
	}
}
Y
Yaniv Rosner 已提交
6869 6870 6871 6872 6873
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
6874 6875
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6876 6877 6878
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
6879 6880
}

Y
Yaniv Rosner 已提交
6881 6882 6883
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
6884
{
Y
Yaniv Rosner 已提交
6885
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
6886
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6887
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
6888

Y
Yaniv Rosner 已提交
6889 6890
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6891
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
6892 6893
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
6894
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
6895

Y
Yaniv Rosner 已提交
6896 6897 6898 6899 6900
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
Y
Yaniv Rosner 已提交
6901

Y
Yaniv Rosner 已提交
6902 6903 6904 6905 6906 6907 6908
	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
6909

Y
Yaniv Rosner 已提交
6910 6911 6912
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6913

Y
Yaniv Rosner 已提交
6914 6915 6916 6917 6918 6919
	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
6920

Y
Yaniv Rosner 已提交
6921 6922 6923
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
6924 6925
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
		   val2, val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
		   val2, val1);
	link_up = ((val1 & 4) == 4);
6941
	/* if link is up print the AN outcome of the SFX7101 PHY */
Y
Yaniv Rosner 已提交
6942 6943 6944 6945 6946
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
6947
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
6948 6949 6950 6951 6952 6953 6954
		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
			   val2, (val2 & (1<<14)));
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
	return link_up;
}
E
Eilon Greenstein 已提交
6955

Y
Yaniv Rosner 已提交
6956
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
6957 6958 6959 6960 6961 6962 6963 6964 6965
{
	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;
6966 6967 6968
	return 0;
}

Y
Yaniv Rosner 已提交
6969
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
6970
{
Y
Yaniv Rosner 已提交
6971
	u16 val, cnt;
6972

Y
Yaniv Rosner 已提交
6973
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6974 6975
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
6976

Y
Yaniv Rosner 已提交
6977 6978 6979 6980
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6981 6982 6983
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
Y
Yaniv Rosner 已提交
6984 6985
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6986 6987
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
6988

Y
Yaniv Rosner 已提交
6989 6990
		if ((val & (1<<15)) == 0)
			break;
6991 6992
	}
}
Y
Yaniv Rosner 已提交
6993

Y
Yaniv Rosner 已提交
6994 6995 6996 6997
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
6998
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
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	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
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7001
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
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7002
}
Y
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7003

7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026
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
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7027 7028 7029
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
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7030

Y
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static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= 0,
	.media_type	= ETH_PHY_NOT_PRESENT,
	.ver_addr	= 0,
Y
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	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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	.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
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7054 7055
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7056
};
Y
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7057

Y
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static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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	.media_type	= ETH_PHY_BASE_T,
Y
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	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_init_serdes,
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};
Y
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static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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	.media_type	= ETH_PHY_CX4,
Y
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	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_init_xgxs,
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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	.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,
7158
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
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7159
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176
};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.flags		= FLAGS_HW_LOCK_REQUIRED,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7177
	.media_type	= ETH_PHY_KR,
Y
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7178
	.ver_addr	= 0,
Y
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7179 7180 7181
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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	.req_duplex	= 0,
	.rsrv		= 0,
7184
	.config_init	= (config_init_t)bnx2x_8073_config_init,
Y
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7185 7186 7187 7188 7189
	.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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7190 7191
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7192 7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218
};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_XFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8705_config_init,
	.read_status	= (read_status_t)bnx2x_8705_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
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7219 7220
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8706_config_init,
	.read_status	= (read_status_t)bnx2x_8706_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
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7249 7250
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268
};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
			   FLAGS_INIT_XGXS_FIRST),
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_Autoneg |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7269
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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7270 7271 7272 7273 7274 7275 7276 7277 7278 7279 7280 7281
	.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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7282 7283
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7284 7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295 7296 7297 7298 7299
};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7300
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312
	.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,
7313
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
Y
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	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Y
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7315 7316 7317 7318
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
Y
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7319 7320
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
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7321 7322 7323 7324 7325 7326 7327 7328 7329 7330 7331 7332 7333 7334 7335 7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8481_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
7349
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};

Y
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static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
Y
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
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	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_848x3_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
7386
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};

7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426
static struct bnx2x_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			    FLAGS_REARM_LATCH_SIGNAL,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_848x3_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)NULL
};

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

static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
				     struct bnx2x_phy *phy, u8 port,
				     u8 phy_index)
{
	/* Get the 4 lanes xgxs config rx and tx */
	u32 rx = 0, tx = 0, i;
	for (i = 0; i < 2; i++) {
7440
		/*
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		 * INT_PHY and EXT_PHY1 share the same value location in the
		 * shmem. When num_phys is greater than 1, than this value
		 * applies only to EXT_PHY1
		 */
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		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
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			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
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			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
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			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Y
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7453 7454 7455
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
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			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
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7458 7459
			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
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			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
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		}
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		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);

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

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

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

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

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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
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{
	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;
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	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
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	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;
7581 7582 7583
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
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	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
		*phy = phy_7101;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		*phy = phy_null;
		return -EINVAL;
	default:
		*phy = phy_null;
		return 0;
	}

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

7598 7599 7600 7601 7602
	/*
	 * The shmem address of the phy version is located on different
	 * structures. In case this structure is too old, do not set
	 * the address
	 */
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	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
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	if (phy_index == EXT_PHY1) {
		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
				port_mb[port].ext_phy_fw_version);
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7609 7610 7611 7612
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
			mdc_mdio_access = config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
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	} else {
		u32 size = REG_RD(bp, shmem2_base);
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7616 7617 7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 7628
		if (size >
		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
			phy->ver_addr = shmem2_base +
			    offsetof(struct shmem2_region,
				     ext_phy_fw_version2[port]);
		}
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
			mdc_mdio_access = (config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
	}
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7629 7630
	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

7631
	/*
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7632 7633 7634 7635 7636 7637 7638 7639 7640 7641 7642 7643 7644
	 * In case mdc/mdio_access of the external phy is different than the
	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
	 * to prevent one port interfere with another port's CL45 operations.
	 */
	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
		   phy_type, port, phy_index);
	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
		   phy->addr, phy->mdio_ctrl);
	return 0;
}

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static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Y
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7647
{
Y
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7648
	int status = 0;
Y
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7649 7650 7651
	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
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7652
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
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7653 7654 7655 7656 7657 7658
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
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7659
			      u8 phy_index)
Y
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7660 7661 7662 7663
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
Y
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7664 7665
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
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7666
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
7667 7668
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
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7669 7670
					     offsetof(struct shmem_region,
						      dev_info.
Y
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7671 7672 7673
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
Y
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7674
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
7675 7676
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
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7677 7678 7679
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
Y
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7680 7681 7682
	}
	DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
		       " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Y
Yaniv Rosner 已提交
7683 7684 7685 7686 7687 7688 7689 7690 7691 7692 7693 7694 7695 7696 7697 7698 7699 7700 7701 7702 7703 7704 7705 7706 7707 7708 7709 7710 7711 7712 7713 7714 7715 7716 7717 7718 7719 7720 7721 7722 7723 7724 7725 7726 7727 7728

	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
7729 7730 7731 7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753 7754 7755 7756 7757 7758 7759 7760 7761
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;
}


Y
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int bnx2x_phy_probe(struct link_params *params)
Y
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7763 7764
{
	u8 phy_index, actual_phy_idx, link_cfg_idx;
Y
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7765
	u32 phy_config_swapped, sync_offset, media_types;
Y
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7766 7767 7768 7769
	struct bnx2x *bp = params->bp;
	struct bnx2x_phy *phy;
	params->num_phys = 0;
	DP(NETIF_MSG_LINK, "Begin phy probe\n");
Y
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	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
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7772 7773 7774 7775 7776

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
		actual_phy_idx = phy_index;
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		if (phy_config_swapped) {
			if (phy_index == EXT_PHY1)
				actual_phy_idx = EXT_PHY2;
			else if (phy_index == EXT_PHY2)
				actual_phy_idx = EXT_PHY1;
		}
		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
			       " actual_phy_idx %x\n", phy_config_swapped,
			   phy_index, actual_phy_idx);
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		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
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7788
				       params->shmem2_base, params->port,
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Yaniv Rosner 已提交
7789 7790 7791 7792 7793 7794 7795 7796 7797 7798 7799 7800 7801
				       phy) != 0) {
			params->num_phys = 0;
			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
				   phy_index);
			for (phy_index = INT_PHY;
			      phy_index < MAX_PHYS;
			      phy_index++)
				*phy = phy_null;
			return -EINVAL;
		}
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
			break;

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7802 7803 7804 7805 7806 7807 7808 7809 7810 7811 7812 7813 7814 7815 7816 7817 7818 7819 7820 7821
		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 only for the first time
		 * 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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7822
		bnx2x_phy_def_cfg(params, phy, phy_index);
Y
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		params->num_phys++;
	}

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

static void set_phy_vars(struct link_params *params)
{
	struct bnx2x *bp = params->bp;
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7833 7834 7835
	u8 actual_phy_idx, phy_index, link_cfg_idx;
	u8 phy_config_swapped = params->multi_phy_config &
			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
Yaniv Rosner 已提交
7836 7837
	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
Y
Yaniv Rosner 已提交
7838
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
Y
Yaniv Rosner 已提交
7839
		actual_phy_idx = phy_index;
Y
Yaniv Rosner 已提交
7840 7841 7842 7843 7844 7845
		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;
		}
Y
Yaniv Rosner 已提交
7846
		params->phy[actual_phy_idx].req_flow_ctrl =
Y
Yaniv Rosner 已提交
7847
			params->req_flow_ctrl[link_cfg_idx];
Y
Yaniv Rosner 已提交
7848 7849

		params->phy[actual_phy_idx].req_line_speed =
Y
Yaniv Rosner 已提交
7850
			params->req_line_speed[link_cfg_idx];
Y
Yaniv Rosner 已提交
7851 7852

		params->phy[actual_phy_idx].speed_cap_mask =
Y
Yaniv Rosner 已提交
7853
			params->speed_cap_mask[link_cfg_idx];
Y
Yaniv Rosner 已提交
7854 7855

		params->phy[actual_phy_idx].req_duplex =
Y
Yaniv Rosner 已提交
7856
			params->req_duplex[link_cfg_idx];
Y
Yaniv Rosner 已提交
7857 7858 7859 7860 7861 7862 7863 7864 7865

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

Y
Yaniv Rosner 已提交
7866
int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
Y
Yaniv Rosner 已提交
7867 7868 7869
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Y
Yaniv Rosner 已提交
7870 7871 7872 7873
	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]);
Y
Yaniv Rosner 已提交
7874 7875 7876 7877 7878 7879 7880 7881 7882 7883 7884 7885 7886 7887 7888 7889 7890 7891 7892 7893 7894 7895 7896 7897 7898 7899 7900 7901 7902 7903 7904 7905
	vars->link_status = 0;
	vars->phy_link_up = 0;
	vars->link_up = 0;
	vars->line_speed = 0;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_NONE;
	vars->phy_flags = 0;

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

	bnx2x_emac_init(params, vars);

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

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

		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_BMAC;
Y
Yaniv Rosner 已提交
7906

Y
Yaniv Rosner 已提交
7907
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
7908

Y
Yaniv Rosner 已提交
7909
		bnx2x_xgxs_deassert(params);
Y
Yaniv Rosner 已提交
7910

Y
Yaniv Rosner 已提交
7911 7912
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
7913

Y
Yaniv Rosner 已提交
7914
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
7915

Y
Yaniv Rosner 已提交
7916
	} else if (params->loopback_mode == LOOPBACK_EMAC) {
Y
Yaniv Rosner 已提交
7917

Y
Yaniv Rosner 已提交
7918 7919 7920 7921 7922
		vars->link_up = 1;
		vars->line_speed = SPEED_1000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_EMAC;
Y
Yaniv Rosner 已提交
7923

Y
Yaniv Rosner 已提交
7924
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
7925

Y
Yaniv Rosner 已提交
7926 7927 7928 7929
		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
Y
Yaniv Rosner 已提交
7930
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
7931

Y
Yaniv Rosner 已提交
7932 7933
	} else if ((params->loopback_mode == LOOPBACK_XGXS) ||
		   (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Y
Yaniv Rosner 已提交
7934

Y
Yaniv Rosner 已提交
7935 7936
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
7937 7938 7939 7940 7941 7942 7943 7944
		vars->duplex = DUPLEX_FULL;
		if (params->req_line_speed[0] == SPEED_1000) {
			vars->line_speed = SPEED_1000;
			vars->mac_type = MAC_TYPE_EMAC;
		} else {
			vars->line_speed = SPEED_10000;
			vars->mac_type = MAC_TYPE_BMAC;
		}
7945

Y
Yaniv Rosner 已提交
7946 7947
		bnx2x_xgxs_deassert(params);
		bnx2x_link_initialize(params, vars);
7948

Y
Yaniv Rosner 已提交
7949 7950 7951 7952
		if (params->req_line_speed[0] == SPEED_1000) {
			bnx2x_emac_program(params, vars);
			bnx2x_emac_enable(params, vars, 0);
		} else
Y
Yaniv Rosner 已提交
7953
			bnx2x_bmac_enable(params, vars, 0);
Y
Yaniv Rosner 已提交
7954 7955 7956 7957 7958
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
7959

Y
Yaniv Rosner 已提交
7960 7961 7962 7963 7964 7965 7966 7967 7968 7969 7970
		} 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);
			}
		}
Y
Yaniv Rosner 已提交
7971
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
7972

7973 7974
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
7975 7976 7977 7978 7979 7980 7981
	} else
	/* No loopback */
	{
		if (params->switch_cfg == SWITCH_CFG_10G)
			bnx2x_xgxs_deassert(params);
		else
			bnx2x_serdes_deassert(bp, params->port);
7982

Y
Yaniv Rosner 已提交
7983 7984 7985 7986
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
	}
Y
Yaniv Rosner 已提交
7987 7988
	return 0;
}
Y
Yaniv Rosner 已提交
7989 7990 7991

int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		     u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
7992 7993
{
	struct bnx2x *bp = params->bp;
7994
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
7995 7996 7997 7998 7999
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
	/* disable attentions */
	vars->link_status = 0;
	bnx2x_update_mng(params, vars->link_status);
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
8000 8001 8002 8003
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
8004

Y
Yaniv Rosner 已提交
8005 8006
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
8007

Y
Yaniv Rosner 已提交
8008 8009 8010
	/* disable nig egress interface */
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
Y
Yaniv Rosner 已提交
8011

Y
Yaniv Rosner 已提交
8012 8013
	/* Stop BigMac rx */
	bnx2x_bmac_rx_disable(bp, port);
Y
Yaniv Rosner 已提交
8014

Y
Yaniv Rosner 已提交
8015 8016
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
8017

Y
Yaniv Rosner 已提交
8018
	msleep(10);
L
Lucas De Marchi 已提交
8019
	/* The PHY reset is controlled by GPIO 1
Y
Yaniv Rosner 已提交
8020 8021 8022
	 * Hold it as vars low
	 */
	 /* clear link led */
8023 8024
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
8025 8026 8027 8028 8029 8030 8031
	if (reset_ext_phy) {
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
			if (params->phy[phy_index].link_reset)
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
8032 8033 8034
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
8035 8036 8037
		}
	}

8038 8039 8040 8041 8042 8043
	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
8044 8045 8046 8047 8048 8049
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
	/* reset BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Y
Yaniv Rosner 已提交
8050

Y
Yaniv Rosner 已提交
8051 8052 8053 8054 8055 8056
	/* disable nig ingress interface */
	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
	vars->link_up = 0;
Y
Yaniv Rosner 已提交
8057 8058 8059
	return 0;
}

Y
Yaniv Rosner 已提交
8060 8061 8062
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
8063 8064 8065 8066
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
8067
{
Y
Yaniv Rosner 已提交
8068 8069
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
8070
	u16 val;
Y
Yaniv Rosner 已提交
8071
	s8 port = 0;
D
Dmitry Kravkov 已提交
8072
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
8073 8074 8075 8076 8077
	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
8078 8079
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
8080 8081 8082 8083 8084 8085 8086 8087 8088 8089 8090 8091
		u32 shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E2(bp)) {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
		} else {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
		}

Y
Yaniv Rosner 已提交
8092
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
8093
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
8094
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
8095 8096 8097 8098
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
8099
		/* disable attentions */
8100 8101
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
8102 8103 8104 8105
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
8106 8107 8108 8109

		/* Need to take the phy out of low power mode in order
			to write to access its registers */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8110 8111
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
8112 8113

		/* Reset the phy */
Y
Yaniv Rosner 已提交
8114
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
8115 8116 8117
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
8118 8119 8120 8121 8122
	}

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

Y
Yaniv Rosner 已提交
8123 8124 8125 8126 8127 8128 8129 8130
	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
8131 8132
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
8133 8134 8135 8136
		if (CHIP_IS_E2(bp))
			port_of_path = 0;
		else
			port_of_path = port;
Y
Yaniv Rosner 已提交
8137

D
Dmitry Kravkov 已提交
8138 8139
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
8140 8141
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
8142 8143 8144
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
8145
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8146 8147
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
8148 8149

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
8150
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8151 8152 8153
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
8154 8155
	}

8156 8157 8158 8159
	/*
	 * Toggle Transmitter: Power down and then up with 600ms delay
	 * between
	 */
Y
Yaniv Rosner 已提交
8160 8161 8162 8163
	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
8164
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
8165
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
8166
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8167 8168
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
8169

Y
Yaniv Rosner 已提交
8170
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8171 8172
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yaniv Rosner 已提交
8173 8174 8175
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
8176
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8177 8178
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
8179
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8180 8181
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
8182 8183 8184

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8185
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
8186 8187 8188
	}
	return 0;
}
Y
Yaniv Rosner 已提交
8189 8190 8191 8192
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
8193 8194 8195 8196 8197 8198 8199 8200 8201 8202 8203
{
	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);

8204
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
8205 8206
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
8207 8208 8209 8210 8211 8212 8213 8214 8215 8216
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E2(bp)) {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
		} else {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
		}
Y
Yaniv Rosner 已提交
8217
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
8218
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
8219 8220 8221 8222 8223 8224 8225 8226 8227 8228 8229 8230 8231
				       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,
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			       MISC_REGISTERS_GPIO_HIGH,
			       port);
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8234 8235 8236 8237
	}

	return 0;
}
8238 8239 8240 8241 8242 8243 8244 8245 8246 8247 8248 8249 8250 8251 8252 8253 8254 8255 8256 8257 8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272 8273 8274 8275 8276 8277 8278 8279 8280 8281 8282
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;
	}
}
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8283 8284 8285 8286 8287

static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 shmem2_base_path[], u8 phy_index,
				      u32 chip_id)
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8288
{
8289
	s8 port, reset_gpio;
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8290
	u32 swap_val, swap_override;
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8291 8292
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
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8293
	s8 port_of_path;
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8294 8295
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
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8296

8297
	reset_gpio = MISC_REGISTERS_GPIO_1;
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8298
	port = 1;
E
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8299

8300 8301 8302 8303 8304 8305
	/*
	 * Retrieve the reset gpio/port which control the reset.
	 * Default is GPIO1, PORT1
	 */
	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
				     (u8 *)&reset_gpio, (u8 *)&port);
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8306 8307 8308 8309

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

8310 8311 8312 8313 8314 8315 8316
	/* Initiate PHY reset*/
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       port);
	msleep(1);
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
		       port);

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8317
	msleep(5);
E
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8318

E
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8319
	/* PART1 - Reset both phys */
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8320
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
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8321 8322 8323 8324 8325 8326 8327 8328 8329 8330 8331 8332 8333
		u32 shmem_base, shmem2_base;

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

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8334
		/* Extract the ext phy address for the port */
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8335
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
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8336
				       port_of_path, &phy[port]) !=
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8337 8338 8339 8340
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
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8341
		/* disable attentions */
D
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8342 8343 8344 8345 8346 8347
		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));
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		/* Reset the phy */
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8351
		bnx2x_cl45_write(bp, &phy[port],
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				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
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8353 8354 8355 8356
	}

	/* Add delay of 150ms after reset */
	msleep(150);
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	if (phy[PORT_0].addr & 0x1) {
		phy_blk[PORT_0] = &(phy[PORT_1]);
		phy_blk[PORT_1] = &(phy[PORT_0]);
	} else {
		phy_blk[PORT_0] = &(phy[PORT_0]);
		phy_blk[PORT_1] = &(phy[PORT_1]);
	}
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8364
	/* PART2 - Download firmware to both phys */
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8365
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
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8366
		if (CHIP_IS_E2(bp))
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			port_of_path = 0;
		else
			port_of_path = port;
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
8372 8373
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
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			return -EINVAL;

8376
	}
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8377 8378 8379
	return 0;
}

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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)
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{
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8384
	int rc = 0;
Y
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	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
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		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
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		break;
Y
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8392
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
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	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
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		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
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		break;

E
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8400
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8401 8402 8403 8404
		/*
		 * GPIO1 affects both ports, so there's need to pull
		 * it for single port alone
		 */
D
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		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
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		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
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8411
		break;
Y
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	default:
		DP(NETIF_MSG_LINK,
8414 8415
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
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		break;
	}

8419 8420 8421 8422
	if (rc != 0)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
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	return rc;
}

Y
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int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
			  u32 shmem2_base_path[], u32 chip_id)
Y
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8428
{
Y
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8429
	int rc = 0;
8430
	u32 phy_ver;
Y
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8431 8432 8433 8434
	u8 phy_index;
	u32 ext_phy_type, ext_phy_config;
	DP(NETIF_MSG_LINK, "Begin common phy init\n");

8435 8436 8437 8438 8439 8440 8441 8442 8443 8444
	/* 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
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8445 8446 8447 8448
	/* 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
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8449
							  shmem_base_path[0],
Y
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8450 8451
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
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8452 8453 8454 8455
		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, ext_phy_type,
						chip_id);
Y
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8456 8457 8458
	}
	return rc;
}
8459

Y
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8460
u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
8461 8462 8463 8464 8465
{
	u8 phy_index;
	struct bnx2x_phy phy;
	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
Y
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8466
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
8467 8468 8469 8470 8471 8472 8473 8474 8475 8476 8477 8478 8479
				       0, &phy) != 0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return 0;
		}

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

u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
			     u32 shmem_base,
Y
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8480
			     u32 shmem2_base,
8481 8482 8483 8484 8485 8486
			     u8 port)
{
	u8 phy_index, fan_failure_det_req = 0;
	struct bnx2x_phy phy;
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
Y
Yaniv Rosner 已提交
8487
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
8488 8489 8490 8491 8492 8493 8494 8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511
				       port, &phy)
		    != 0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return 0;
		}
		fan_failure_det_req |= (phy.flags &
					FLAGS_FAN_FAILURE_DET_REQ);
	}
	return fan_failure_det_req;
}

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