bnx2x_link.c 228.6 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);
}

u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
{
	/* 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;
}
/******************************************************************/
/*			ETS section				  */
/******************************************************************/

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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}

static u8 bnx2x_emac_enable(struct link_params *params,
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			    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);

	/* for paladium */
	if (CHIP_REV_IS_EMUL(bp)) {
		/* Use lane 1 (of lanes 0-3) */
		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
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		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
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	}
	/* for fpga */
	else

	if (CHIP_REV_IS_FPGA(bp)) {
		/* Use lane 1 (of lanes 0-3) */
		DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");

		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
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		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
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	} else
	/* 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);

	if (CHIP_REV_IS_EMUL(bp)) {
		/* take the BigMac out of reset */
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		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
		       (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);
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	} else
		REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
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	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}

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static void bnx2x_update_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
	 */
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	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;
		}
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		/*
856 857
		 * The number of free blocks below which the pause signal to
		 * class 1 of MAC #n is asserted. n=0,1
858
		 */
859
		REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
860
		/*
861 862
		 * The number of free blocks above which the pause signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
863
		 */
864
		REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
865
		/*
866 867
		 * The number of free blocks below which the full signal to
		 * class 1 of MAC #n is asserted. n=0,1
868
		 */
869
		REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
870
		/*
871 872
		 * The number of free blocks above which the full signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
873
		 */
874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891
		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");

892
	/*
893 894 895 896 897 898 899
	 * 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);
900
	/*
901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989
	 * 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)
{
990
	/*
991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027
	 * 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 u8 bnx2x_bmac1_enable(struct link_params *params,
			     struct link_vars *vars,
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			     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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1072
	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);
	/* fix for emulation */
	if (CHIP_REV_IS_EMUL(bp)) {
		wb_data[0] = 0xf000;
		wb_data[1] = 0;
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		REG_WR_DMAE(bp,	bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
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			    wb_data, 2);
	}

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	return 0;
}

static u8 bnx2x_bmac2_enable(struct link_params *params,
			     struct link_vars *vars,
			     u8 is_lb)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];

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

	wb_data[0] = 0;
	wb_data[1] = 0;
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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;
Y
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
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	udelay(30);
1161
	bnx2x_update_pfc_bmac2(params, vars, is_lb);
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	return 0;
}

1166
static u8 bnx2x_bmac_enable(struct link_params *params,
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			    struct link_vars *vars,
			    u8 is_lb)
{
	u8 rc, port = params->port;
	struct bnx2x *bp = params->bp;
	u32 val;
	/* reset and unreset the BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
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	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1176
	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;
1193 1194 1195
	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;
1212

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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];
1223
	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);
	}
}

static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
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			   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;
	}

1282
	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;
Y
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		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Y
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1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335
		/* 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;
}

1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352
/*
 * get_emac_base
 *
 * @param cb
 * @param mdc_mdio_access
 * @param port
 *
 * @return u32
 *
 * 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
 */
1353 1354
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
Y
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{
1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
	u32 emac_base = 0;
	switch (mdc_mdio_access) {
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC1;
		else
			emac_base = GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
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		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
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		break;
1372 1373 1374 1375
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
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		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Y
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		break;
	default:
		break;
	}
	return emac_base;

}

1385 1386 1387
/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
1388 1389
static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			   u8 devad, u16 reg, u16 val)
Y
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{
	u32 tmp, saved_mode;
	u8 i, rc = 0;
1393 1394
	/*
	 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
Y
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	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
E
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Y
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	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Y
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1399 1400 1401 1402
	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 */

Y
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1409
	tmp = ((phy->addr << 21) | (devad << 16) | reg |
Y
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	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
Y
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
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	for (i = 0; i < 50; i++) {
		udelay(10);

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		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
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		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
1425
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
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1426 1427 1428
		rc = -EFAULT;
	} else {
		/* data */
Y
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1429
		tmp = ((phy->addr << 21) | (devad << 16) | val |
Y
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1430 1431
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
		       EMAC_MDIO_COMM_START_BUSY);
Y
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1432
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
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1433 1434 1435 1436

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

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1437
			tmp = REG_RD(bp, phy->mdio_ctrl +
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				     EMAC_REG_EMAC_MDIO_COMM);
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1439 1440 1441 1442 1443 1444 1445
			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");
1446
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
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			rc = -EFAULT;
		}
	}

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

1457 1458
static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
			  u8 devad, u16 reg, u16 *ret_val)
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{
	u32 val, saved_mode;
	u16 i;
	u8 rc = 0;
1463 1464
	/*
	 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
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	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
E
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1467

Y
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	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
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			      EMAC_MDIO_MODE_CLOCK_CNT));
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	val |= (EMAC_MDIO_MODE_CLAUSE_45 |
1472
		(49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
	REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	udelay(40);

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

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		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
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		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");
1494
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
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		*ret_val = 0;
		rc = -EFAULT;

	} else {
		/* data */
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		val = ((phy->addr << 21) | (devad << 16) |
Y
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		       EMAC_MDIO_COMM_COMMAND_READ_45 |
		       EMAC_MDIO_COMM_START_BUSY);
Y
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1503
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
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1504 1505 1506 1507

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

Y
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1508
			val = REG_RD(bp, phy->mdio_ctrl +
Y
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1509
				     EMAC_REG_EMAC_MDIO_COMM);
Y
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1510 1511 1512 1513 1514 1515 1516
			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");
1517
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
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			*ret_val = 0;
			rc = -EFAULT;
		}
	}

	/* Restore the saved mode */
Y
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1524
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Y
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1525 1526 1527 1528

	return rc;
}

Y
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u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		  u8 devad, u16 reg, u16 *ret_val)
{
	u8 phy_index;
1533
	/*
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	 * Probe for the phy according to the given phy_addr, and execute
	 * the read request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_read(params->bp,
					       &params->phy[phy_index], devad,
					       reg, ret_val);
		}
	}
	return -EINVAL;
}

u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 val)
{
	u8 phy_index;
1551
	/*
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1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564
	 * 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
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static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
				   struct bnx2x_phy *phy)
Y
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1567 1568
{
	u32 ser_lane;
D
Dmitry Kravkov 已提交
1569 1570
	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
Y
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1571 1572 1573 1574
	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
1575 1576
	offset = phy->addr + ser_lane;
	if (CHIP_IS_E2(bp))
1577
		aer_val = 0x3800 + offset - 1;
D
Dmitry Kravkov 已提交
1578 1579
	else
		aer_val = 0x3800 + offset;
Y
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1580
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Y
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1581
			  MDIO_AER_BLOCK_AER_REG, aer_val);
D
Dmitry Kravkov 已提交
1582 1583 1584 1585
}
static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
				     struct bnx2x_phy *phy)
{
Y
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1586
	CL22_WR_OVER_CL45(bp, phy,
Y
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1587 1588
			  MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0x3800);
Y
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1589 1590
}

Y
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1591 1592 1593
/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
Y
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1594

Y
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1595 1596 1597
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
1598

Y
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1599 1600 1601 1602 1603 1604 1605 1606
	/* 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
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1607 1608
}

Y
Yaniv Rosner 已提交
1609
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
Y
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1610
{
Y
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1611
	u32 val;
Y
Yaniv Rosner 已提交
1612

Y
Yaniv Rosner 已提交
1613
	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
Y
Yaniv Rosner 已提交
1614

Y
Yaniv Rosner 已提交
1615
	val = SERDES_RESET_BITS << (port*16);
E
Eilon Greenstein 已提交
1616

Y
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1617 1618 1619 1620
	/* 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
1621

Y
Yaniv Rosner 已提交
1622
	bnx2x_set_serdes_access(bp, port);
Y
Yaniv Rosner 已提交
1623

Y
Yaniv Rosner 已提交
1624 1625
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
	       DEFAULT_PHY_DEV_ADDR);
Y
Yaniv Rosner 已提交
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642
}

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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1643
	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
Y
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1644
	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
Y
Yaniv Rosner 已提交
1645
	       params->phy[INT_PHY].def_md_devad);
Y
Yaniv Rosner 已提交
1646 1647
}

Y
Yaniv Rosner 已提交
1648

Y
Yaniv Rosner 已提交
1649
void bnx2x_link_status_update(struct link_params *params,
Y
Yaniv Rosner 已提交
1650
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
1651 1652 1653 1654 1655 1656
{
	struct bnx2x *bp = params->bp;
	u8 link_10g;
	u8 port = params->port;

	vars->link_status = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
1657 1658
				   offsetof(struct shmem_region,
					    port_mb[port].link_status));
Y
Yaniv Rosner 已提交
1659 1660 1661 1662 1663 1664 1665 1666 1667

	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
1668
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Y
Yaniv Rosner 已提交
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 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779
			case LINK_10THD:
				vars->duplex = DUPLEX_HALF;
				/* fall thru */
			case LINK_10TFD:
				vars->line_speed = SPEED_10;
				break;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

		vars->phy_link_up = 0;

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

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

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


static void bnx2x_set_master_ln(struct link_params *params,
				struct bnx2x_phy *phy)
{
	struct bnx2x *bp = params->bp;
	u16 new_master_ln, ser_lane;
Y
Yaniv Rosner 已提交
1780
	ser_lane = ((params->lane_config &
Y
Yaniv Rosner 已提交
1781
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Y
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1782
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
Yaniv Rosner 已提交
1783 1784

	/* set the master_ln for AN */
Y
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1785
	CL22_RD_OVER_CL45(bp, phy,
Y
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1786 1787 1788
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
Y
Yaniv Rosner 已提交
1789

Y
Yaniv Rosner 已提交
1790
	CL22_WR_OVER_CL45(bp, phy,
Y
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1791 1792 1793
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
Y
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1794 1795 1796 1797 1798 1799 1800 1801 1802
}

static u8 bnx2x_reset_unicore(struct link_params *params,
			      struct bnx2x_phy *phy,
			      u8 set_serdes)
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
Y
Yaniv Rosner 已提交
1803
	CL22_RD_OVER_CL45(bp, phy,
Y
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1804 1805
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Y
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1806 1807

	/* reset the unicore */
Y
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1808
	CL22_WR_OVER_CL45(bp, phy,
Y
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1809 1810 1811 1812
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
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1813 1814 1815 1816 1817 1818 1819 1820
	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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1821
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1822 1823 1824
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
1825 1826 1827 1828 1829 1830

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
Y
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1831

1832 1833 1834
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
1835 1836 1837 1838 1839
	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
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1840 1841
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
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1842 1843
{
	struct bnx2x *bp = params->bp;
1844 1845 1846 1847
	/*
	 *  Each two bits represents a lane number:
	 *  No swap is 0123 => 0x1b no need to enable the swap
	 */
Y
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1848 1849 1850
	u16 ser_lane, rx_lane_swap, tx_lane_swap;

	ser_lane = ((params->lane_config &
Y
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1851 1852
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
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1853
	rx_lane_swap = ((params->lane_config &
Y
Yaniv Rosner 已提交
1854 1855
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Y
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1856
	tx_lane_swap = ((params->lane_config &
Y
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1857 1858
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Y
Yaniv Rosner 已提交
1859 1860

	if (rx_lane_swap != 0x1b) {
Y
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1861
		CL22_WR_OVER_CL45(bp, phy,
Y
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1862 1863 1864 1865 1866
				  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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1867
	} else {
Y
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1868
		CL22_WR_OVER_CL45(bp, phy,
Y
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1869 1870
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Y
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1871 1872 1873
	}

	if (tx_lane_swap != 0x1b) {
Y
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1874
		CL22_WR_OVER_CL45(bp, phy,
Y
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1875 1876 1877 1878
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Y
Yaniv Rosner 已提交
1879
	} else {
Y
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1880
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1881 1882
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
1883 1884 1885
	}
}

Y
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1886 1887
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
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1888 1889 1890
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
Yaniv Rosner 已提交
1891
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1892 1893 1894
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
1895
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
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1896 1897 1898
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1899 1900
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
Y
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1901
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1902 1903 1904
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
Yaniv Rosner 已提交
1905

Y
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1906
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
1907
	     (phy->speed_cap_mask &
Y
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1908
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
1909 1910
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
1911
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1912 1913 1914
				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Y
Yaniv Rosner 已提交
1915

Y
Yaniv Rosner 已提交
1916
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1917 1918 1919
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);
Y
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1920 1921 1922 1923 1924


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
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1925
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1926 1927 1928
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
Yaniv Rosner 已提交
1929 1930

		/* Disable parallel detection of HiG */
Y
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1931
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1932 1933 1934 1935
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Y
Yaniv Rosner 已提交
1936 1937 1938
	}
}

Y
Yaniv Rosner 已提交
1939 1940
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
1941 1942
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
Yaniv Rosner 已提交
1943 1944 1945 1946 1947
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
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1948
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1949 1950
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
1951 1952

	/* CL37 Autoneg Enabled */
Y
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1953
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
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1954 1955 1956 1957 1958
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
	else /* CL37 Autoneg Disabled */
		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);

Y
Yaniv Rosner 已提交
1959
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1960 1961
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
1962 1963 1964

	/* Enable/Disable Autodetection */

Y
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1965
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1966 1967
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
1968 1969 1970
	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Y
Yaniv Rosner 已提交
1971
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
1972 1973 1974 1975
		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
1976
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1977 1978
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
1979 1980

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
1981
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1982 1983
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
1984
			  &reg_val);
Y
Yaniv Rosner 已提交
1985
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
1986 1987 1988 1989 1990 1991 1992 1993
		/* 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
1994
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
1995 1996 1997
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
1998

1999 2000
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
2001
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2002 2003 2004
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
2005 2006

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
2007
		CL22_WR_OVER_CL45(bp, phy,
2008 2009 2010 2011 2012 2013
			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
2014
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
2015
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2016 2017 2018
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
2019
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2020 2021
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
2022
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2023 2024
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
2025

Y
Yaniv Rosner 已提交
2026
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2027 2028 2029
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
2030 2031 2032 2033 2034 2035

		/* 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
2036

Y
Yaniv Rosner 已提交
2037
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2038 2039
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
2040 2041 2042
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
2043 2044
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
2045
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
2046 2047 2048 2049
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

2050
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
2051
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2052 2053
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
2054
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
2055 2056
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
2057
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
2058
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
2059
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2060 2061
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
2062

2063 2064 2065 2066
	/*
	 * program speed
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
2067
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2068 2069
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
2070 2071 2072 2073 2074 2075 2076 2077 2078 2079
	/* 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
2080 2081
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
2082
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
2083 2084
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
2085
		if (vars->line_speed == SPEED_13000)
Y
Yaniv Rosner 已提交
2086 2087
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Y
Yaniv Rosner 已提交
2088 2089
	}

Y
Yaniv Rosner 已提交
2090
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2091 2092
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
2093

Y
Yaniv Rosner 已提交
2094 2095
}

Y
Yaniv Rosner 已提交
2096 2097
static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params)
Y
Yaniv Rosner 已提交
2098 2099 2100 2101 2102 2103 2104
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
2105
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
2106
		val |= MDIO_OVER_1G_UP1_2_5G;
2107
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
2108
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
2109
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2110 2111
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
2112

Y
Yaniv Rosner 已提交
2113
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2114 2115
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
2116 2117
}

Y
Yaniv Rosner 已提交
2118 2119
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
Y
Yaniv Rosner 已提交
2120
{
2121
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2122
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
2123 2124 2125 2126
	/*
	 * Resolve pause mode and advertisement.
	 * Please refer to Table 28B-3 of the 802.3ab-1999 spec
	 */
Y
Yaniv Rosner 已提交
2127

2128
	switch (phy->req_flow_ctrl) {
2129
	case BNX2X_FLOW_CTRL_AUTO:
Y
Yaniv Rosner 已提交
2130 2131 2132
		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
2133
			*ieee_fc |=
Y
Yaniv Rosner 已提交
2134
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
Y
Yaniv Rosner 已提交
2135
		break;
2136
	case BNX2X_FLOW_CTRL_TX:
Y
Yaniv Rosner 已提交
2137
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
Y
Yaniv Rosner 已提交
2138 2139
		break;

2140 2141
	case BNX2X_FLOW_CTRL_RX:
	case BNX2X_FLOW_CTRL_BOTH:
Y
Yaniv Rosner 已提交
2142
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
2143 2144
		break;

2145
	case BNX2X_FLOW_CTRL_NONE:
Y
Yaniv Rosner 已提交
2146
	default:
Y
Yaniv Rosner 已提交
2147
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Y
Yaniv Rosner 已提交
2148 2149
		break;
	}
2150
	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Y
Yaniv Rosner 已提交
2151
}
Y
Yaniv Rosner 已提交
2152

Y
Yaniv Rosner 已提交
2153 2154
static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params,
Y
Yaniv Rosner 已提交
2155
					     u16 ieee_fc)
Y
Yaniv Rosner 已提交
2156 2157
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2158
	u16 val;
Y
Yaniv Rosner 已提交
2159
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
2160

Y
Yaniv Rosner 已提交
2161
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2162 2163
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
2164
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2165 2166
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
2167 2168
	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
2169
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2170 2171
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
2172 2173
}

Y
Yaniv Rosner 已提交
2174 2175 2176
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
2177 2178
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2179
	u16 mii_control;
2180

Y
Yaniv Rosner 已提交
2181
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
2182
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
2183

2184
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
2185
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2186 2187 2188
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
2189

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_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));
2196 2197
	} else {

Y
Yaniv Rosner 已提交
2198
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2199 2200 2201
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
2202 2203 2204
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
2205
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2206 2207 2208 2209 2210
				  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));
2211
	}
Y
Yaniv Rosner 已提交
2212 2213
}

Y
Yaniv Rosner 已提交
2214 2215
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
2216
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
2217 2218 2219 2220 2221 2222
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
2223
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2224 2225 2226
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
Y
Yaniv Rosner 已提交
2227 2228 2229 2230 2231
	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
2232
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2233 2234 2235
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
2236 2237

	/* if forced speed */
Y
Yaniv Rosner 已提交
2238
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
2239 2240 2241
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
2242
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2243 2244 2245
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
2246 2247 2248 2249
		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
2250
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263
		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
2264 2265
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
2266 2267 2268 2269
			break;
		}

		/* setting the full duplex */
2270
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
2271 2272
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
2273
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2274 2275 2276
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
2277 2278 2279

	} else { /* AN mode */
		/* enable and restart AN */
Y
Yaniv Rosner 已提交
2280
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
2281 2282 2283 2284 2285 2286 2287 2288 2289
	}
}


/*
 * link management
 */

static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Y
Yaniv Rosner 已提交
2290
{						/*  LD	    LP	 */
Y
Yaniv Rosner 已提交
2291 2292
	switch (pause_result) {			/* ASYM P ASYM P */
	case 0xb:				/*   1  0   1  1 */
2293
		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
2294 2295
		break;

Y
Yaniv Rosner 已提交
2296
	case 0xe:				/*   1  1   1  0 */
2297
		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Y
Yaniv Rosner 已提交
2298 2299
		break;

Y
Yaniv Rosner 已提交
2300 2301 2302 2303
	case 0x5:				/*   0  1   0  1 */
	case 0x7:				/*   0  1   1  1 */
	case 0xd:				/*   1  1   0  1 */
	case 0xf:				/*   1  1   1  1 */
2304
		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Y
Yaniv Rosner 已提交
2305 2306 2307 2308 2309
		break;

	default:
		break;
	}
2310 2311 2312 2313
	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
2314 2315
}

Y
Yaniv Rosner 已提交
2316 2317
static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					    struct link_params *params)
2318 2319 2320
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
2321 2322
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
2323
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2324 2325 2326
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
2327
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2328 2329 2330
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
2331 2332 2333 2334 2335 2336
	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
2337
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2338 2339 2340
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
2341 2342 2343 2344 2345 2346 2347 2348

	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
2349

Y
Yaniv Rosner 已提交
2350 2351 2352 2353
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
2354 2355
{
	struct bnx2x *bp = params->bp;
2356 2357
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
Y
Yaniv Rosner 已提交
2358 2359
	u16 pause_result;

2360
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
2361 2362

	/* resolve from gp_status in case of AN complete and not sgmii */
2363 2364 2365 2366 2367 2368
	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
2369
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
2370 2371 2372
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
Y
Yaniv Rosner 已提交
2373 2374 2375 2376 2377 2378
		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
2379
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2380 2381 2382
					  MDIO_REG_BANK_CL73_IEEEB1,
					  MDIO_CL73_IEEEB1_AN_ADV1,
					  &ld_pause);
Y
Yaniv Rosner 已提交
2383
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2384 2385 2386
					  MDIO_REG_BANK_CL73_IEEEB1,
					  MDIO_CL73_IEEEB1_AN_LP_ADV1,
					  &lp_pause);
Y
Yaniv Rosner 已提交
2387 2388 2389 2390 2391 2392 2393 2394 2395
			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
2396
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2397 2398 2399
					  MDIO_REG_BANK_COMBO_IEEE0,
					  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
					  &ld_pause);
Y
Yaniv Rosner 已提交
2400
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2401 2402 2403
				MDIO_REG_BANK_COMBO_IEEE0,
				MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
				&lp_pause);
Y
Yaniv Rosner 已提交
2404
			pause_result = (ld_pause &
Y
Yaniv Rosner 已提交
2405
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Y
Yaniv Rosner 已提交
2406
			pause_result |= (lp_pause &
Y
Yaniv Rosner 已提交
2407
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Y
Yaniv Rosner 已提交
2408 2409 2410
			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
				 pause_result);
		}
Y
Yaniv Rosner 已提交
2411 2412 2413 2414 2415
		bnx2x_pause_resolve(vars, pause_result);
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
2416 2417
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
2418 2419 2420 2421 2422
{
	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
2423
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2424 2425 2426
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
2427 2428 2429 2430
	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
2431
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2432 2433 2434
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
2435 2436 2437
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
2438
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2439 2440 2441
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
2442 2443 2444 2445 2446 2447 2448 2449 2450
	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;
	}
2451 2452 2453 2454
	/*
	 * Step 3: Check CL37 Message Pages received to indicate LP
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
2455
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2456 2457 2458
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
			  &cl37_fsm_recieved);
2459 2460 2461 2462 2463 2464 2465 2466 2467 2468
	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;
	}
2469 2470 2471 2472 2473 2474 2475
	/*
	 * 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
	 */

2476
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
2477
	CL22_WR_OVER_CL45(bp, phy,
Y
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2478 2479 2480
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
2481
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
2482
	bnx2x_restart_autoneg(phy, params, 0);
2483 2484
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499

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
2500 2501 2502
static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
				     struct link_params *params,
				     struct link_vars *vars)
Y
Yaniv Rosner 已提交
2503 2504
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2505
	u16 new_line_speed, gp_status;
Y
Yaniv Rosner 已提交
2506
	u8 rc = 0;
2507

Y
Yaniv Rosner 已提交
2508
	/* Read gp_status */
Y
Yaniv Rosner 已提交
2509
	CL22_RD_OVER_CL45(bp, phy,
Y
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2510 2511 2512
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
2513

2514 2515
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Y
Yaniv Rosner 已提交
2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527
	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;

2528 2529 2530 2531 2532 2533
		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
2534 2535 2536

		switch (gp_status & GP_STATUS_SPEED_MASK) {
		case GP_STATUS_10M:
E
Eilon Greenstein 已提交
2537
			new_line_speed = SPEED_10;
Y
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2538 2539 2540 2541 2542 2543 2544
			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
2545
			new_line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
2546 2547 2548 2549 2550 2551 2552 2553
			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
2554
			new_line_speed = SPEED_1000;
Y
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2555 2556 2557 2558 2559 2560 2561
			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
2562
			new_line_speed = SPEED_2500;
Y
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2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574
			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;
2575

Y
Yaniv Rosner 已提交
2576 2577 2578
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
E
Eilon Greenstein 已提交
2579
			new_line_speed = SPEED_10000;
Y
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2580 2581 2582 2583
			vars->link_status |= LINK_10GTFD;
			break;

		case GP_STATUS_12G_HIG:
E
Eilon Greenstein 已提交
2584
			new_line_speed = SPEED_12000;
Y
Yaniv Rosner 已提交
2585 2586 2587 2588
			vars->link_status |= LINK_12GTFD;
			break;

		case GP_STATUS_12_5G:
E
Eilon Greenstein 已提交
2589
			new_line_speed = SPEED_12500;
Y
Yaniv Rosner 已提交
2590 2591 2592 2593
			vars->link_status |= LINK_12_5GTFD;
			break;

		case GP_STATUS_13G:
E
Eilon Greenstein 已提交
2594
			new_line_speed = SPEED_13000;
Y
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2595 2596 2597 2598
			vars->link_status |= LINK_13GTFD;
			break;

		case GP_STATUS_15G:
E
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2599
			new_line_speed = SPEED_15000;
Y
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2600 2601 2602 2603
			vars->link_status |= LINK_15GTFD;
			break;

		case GP_STATUS_16G:
E
Eilon Greenstein 已提交
2604
			new_line_speed = SPEED_16000;
Y
Yaniv Rosner 已提交
2605 2606 2607 2608 2609 2610 2611
			vars->link_status |= LINK_16GTFD;
			break;

		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
				  gp_status);
2612
			return -EINVAL;
Y
Yaniv Rosner 已提交
2613 2614
		}

E
Eilon Greenstein 已提交
2615
		vars->line_speed = new_line_speed;
Y
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2616 2617 2618 2619 2620

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

		vars->phy_link_up = 0;
2621

Y
Yaniv Rosner 已提交
2622
		vars->duplex = DUPLEX_FULL;
2623
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
2624
		vars->mac_type = MAC_TYPE_NONE;
2625

2626 2627
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
2628
			/* Check signal is detected */
2629
			bnx2x_check_fallback_to_cl37(phy, params);
2630
		}
Y
Yaniv Rosner 已提交
2631 2632
	}

2633
	DP(NETIF_MSG_LINK, "gp_status 0x%x  phy_link_up %x line_speed %x\n",
Y
Yaniv Rosner 已提交
2634
		 gp_status, vars->phy_link_up, vars->line_speed);
Y
Yaniv Rosner 已提交
2635 2636
	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
2637 2638 2639
	return rc;
}

E
Eilon Greenstein 已提交
2640
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
2641 2642
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2643
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
2644 2645
	u16 lp_up2;
	u16 tx_driver;
2646
	u16 bank;
Y
Yaniv Rosner 已提交
2647 2648

	/* read precomp */
Y
Yaniv Rosner 已提交
2649
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2650 2651
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
2652 2653 2654 2655 2656 2657

	/* 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);

2658 2659 2660 2661 2662
	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
2663
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2664 2665
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
2666 2667 2668 2669 2670 2671

		/* 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
2672
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2673 2674
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
2675
		}
Y
Yaniv Rosner 已提交
2676 2677 2678 2679
	}
}

static u8 bnx2x_emac_program(struct link_params *params,
Y
Yaniv Rosner 已提交
2680
			     struct link_vars *vars)
Y
Yaniv Rosner 已提交
2681 2682 2683 2684 2685 2686 2687
{
	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
2688 2689 2690 2691
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
2692
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710
	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
2711 2712
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
2713 2714 2715
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
2716
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
2717 2718
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
2719 2720
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
2721

2722
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
2723 2724 2725
	return 0;
}

Y
Yaniv Rosner 已提交
2726 2727
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
2728
{
Y
Yaniv Rosner 已提交
2729 2730 2731 2732 2733 2734

	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
2735
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2736 2737 2738 2739 2740 2741 2742
					  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
2743
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765
					  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
2766
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782
			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
2783
							 vars->ieee_fc);
Y
Yaniv Rosner 已提交
2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804

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

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

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

		bnx2x_initialize_sgmii_process(phy, params, vars);
	}
}

static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
			    struct link_params *params,
			    struct link_vars *vars)
{
	u8 rc;
	vars->phy_flags |= PHY_SGMII_FLAG;
Y
Yaniv Rosner 已提交
2805
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
D
Dmitry Kravkov 已提交
2806
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
Yaniv Rosner 已提交
2807 2808 2809 2810
	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
2811
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
Yaniv Rosner 已提交
2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835

	return rc;
}

static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
{
	u8 rc;
	vars->phy_flags = PHY_XGXS_FLAG;
	if ((phy->req_line_speed &&
	     ((phy->req_line_speed == SPEED_100) ||
	      (phy->req_line_speed == SPEED_10))) ||
	    (!phy->req_line_speed &&
	     (phy->speed_cap_mask >=
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
	     (phy->speed_cap_mask <
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
	     ))
		vars->phy_flags |= PHY_SGMII_FLAG;
	else
		vars->phy_flags &= ~PHY_SGMII_FLAG;

	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
D
Dmitry Kravkov 已提交
2836
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
Yaniv Rosner 已提交
2837 2838 2839 2840 2841 2842 2843
	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
2844
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
Yaniv Rosner 已提交
2845

Y
Yaniv Rosner 已提交
2846 2847 2848 2849 2850 2851
	/* setting the masterLn_def again after the reset */
	bnx2x_set_master_ln(params, phy);
	bnx2x_set_swap_lanes(params, phy);

	return rc;
}
2852

Y
Yaniv Rosner 已提交
2853
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
2854 2855
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
2856
{
Y
Yaniv Rosner 已提交
2857 2858 2859 2860 2861 2862 2863 2864 2865
	u16 cnt, ctrl;
	/* Wait for soft reset to get cleared upto 1 sec */
	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
2866 2867 2868 2869 2870

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
2871 2872
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
2873 2874
}

Y
Yaniv Rosner 已提交
2875
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
2876
{
Y
Yaniv Rosner 已提交
2877 2878 2879
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
2880

2881
	/* Setting the status to report on link up for either XGXS or SerDes */
Y
Yaniv Rosner 已提交
2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916
	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
2917 2918
}

Y
Yaniv Rosner 已提交
2919 2920
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
2921
{
Y
Yaniv Rosner 已提交
2922 2923
	u32 latch_status = 0;

2924
	/*
Y
Yaniv Rosner 已提交
2925 2926 2927
	 * 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
2928 2929 2930
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
2931 2932
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
2933
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944
	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
2945
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
2946

Y
Yaniv Rosner 已提交
2947 2948
		/* 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
2949
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
2950
	}
Y
Yaniv Rosner 已提交
2951
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
2952 2953
}

Y
Yaniv Rosner 已提交
2954
static void bnx2x_link_int_ack(struct link_params *params,
Y
Yaniv Rosner 已提交
2955
			       struct link_vars *vars, u8 is_10g)
2956
{
Y
Yaniv Rosner 已提交
2957
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2958
	u8 port = params->port;
Y
Yaniv Rosner 已提交
2959

2960 2961 2962 2963
	/*
	 * First reset all status we assume only one line will be
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
2964
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
2965 2966 2967
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
2968 2969
	if (vars->phy_link_up) {
		if (is_10g) {
2970 2971 2972
			/*
			 * Disable the 10G link interrupt by writing 1 to the
			 * status register
Y
Yaniv Rosner 已提交
2973 2974 2975 2976 2977
			 */
			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);
2978

Y
Yaniv Rosner 已提交
2979
		} else if (params->switch_cfg == SWITCH_CFG_10G) {
2980 2981 2982
			/*
			 * Disable the link interrupt by writing 1 to the
			 * relevant lane in the status register
Y
Yaniv Rosner 已提交
2983 2984 2985 2986
			 */
			u32 ser_lane = ((params->lane_config &
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2987

Y
Yaniv Rosner 已提交
2988 2989 2990 2991 2992 2993
			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
2994

Y
Yaniv Rosner 已提交
2995 2996
		} else { /* SerDes */
			DP(NETIF_MSG_LINK, "SerDes phy link up\n");
2997 2998 2999
			/*
			 * Disable the link interrupt by writing 1 to the status
			 * register
Y
Yaniv Rosner 已提交
3000 3001 3002 3003 3004
			 */
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_SERDES0_LINK_STATUS);
		}
Y
Yaniv Rosner 已提交
3005 3006 3007 3008

	}
}

Y
Yaniv Rosner 已提交
3009 3010 3011 3012 3013 3014
static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
3015
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
3016 3017 3018
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
3019
		(*len)--;
Y
Yaniv Rosner 已提交
3020
		return -EINVAL;
Y
Yaniv Rosner 已提交
3021
	}
Y
Yaniv Rosner 已提交
3022
	while (shift > 0) {
Y
Yaniv Rosner 已提交
3023

Y
Yaniv Rosner 已提交
3024 3025
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
3026 3027 3028 3029
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
3030 3031 3032
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
3033
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
3034
		str_ptr++;
Y
Yaniv Rosner 已提交
3035
		(*len)--;
Y
Yaniv Rosner 已提交
3036 3037
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
3038
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
3039
			str_ptr++;
Y
Yaniv Rosner 已提交
3040 3041
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
3042 3043
		}
	}
Y
Yaniv Rosner 已提交
3044
	return 0;
Y
Yaniv Rosner 已提交
3045 3046
}

Y
Yaniv Rosner 已提交
3047

Y
Yaniv Rosner 已提交
3048
static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
3049
{
Y
Yaniv Rosner 已提交
3050 3051 3052 3053
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
3054

Y
Yaniv Rosner 已提交
3055 3056 3057 3058 3059 3060 3061
u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
			      u8 *version, u16 len)
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
	u8 status = 0;
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
3062
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
3063 3064 3065
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
3066

Y
Yaniv Rosner 已提交
3067 3068 3069
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
3070

Y
Yaniv Rosner 已提交
3071
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
3072 3073
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
3074 3075 3076 3077 3078
							      &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
3079
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091
		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
3092
	return status;
Y
Yaniv Rosner 已提交
3093
}
Y
Yaniv Rosner 已提交
3094

Y
Yaniv Rosner 已提交
3095 3096
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
3097
{
Y
Yaniv Rosner 已提交
3098
	u8 port = params->port;
E
Eilon Greenstein 已提交
3099 3100
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
3101 3102
	if (phy->req_line_speed != SPEED_1000) {
		u32 md_devad;
E
Eilon Greenstein 已提交
3103

Y
Yaniv Rosner 已提交
3104
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
3105

Y
Yaniv Rosner 已提交
3106 3107
		/* 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
3108
				       port*0x18));
3109

Y
Yaniv Rosner 已提交
3110
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
E
Eilon Greenstein 已提交
3111

Y
Yaniv Rosner 已提交
3112
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3113 3114 3115 3116
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
3117

Y
Yaniv Rosner 已提交
3118
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3119 3120 3121 3122
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
3123 3124
		msleep(200);
		/* set aer mmd back */
D
Dmitry Kravkov 已提交
3125
		bnx2x_set_aer_mmd_xgxs(params, phy);
E
Eilon Greenstein 已提交
3126

Y
Yaniv Rosner 已提交
3127
		/* and md_devad */
Y
Yaniv Rosner 已提交
3128
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
Y
Yaniv Rosner 已提交
3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141
	} 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
3142 3143
}

3144 3145
u8 bnx2x_set_led(struct link_params *params,
		 struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
3146
{
Y
Yaniv Rosner 已提交
3147 3148
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
3149
	u8 rc = 0, phy_idx;
Y
Yaniv Rosner 已提交
3150 3151
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
3152
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3153 3154 3155
	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);
3156 3157 3158 3159 3160 3161 3162 3163
	/* 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
3164
	switch (mode) {
3165
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
3166 3167 3168
	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
3169
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
3170

Y
Yaniv Rosner 已提交
3171 3172 3173
		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
3174

Y
Yaniv Rosner 已提交
3175
	case LED_MODE_OPER:
3176
		/*
3177 3178
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
3179
		 */
3180 3181 3182
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
3183 3184 3185
		if (params->phy[EXT_PHY1].type ==
		    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 &&
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
3186 3187 3188
			/*
			 * This is a work-around for E2+8727 Configurations
			 */
3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199
			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)) {
3200 3201 3202 3203
			/*
			 * This is a work-around for HW issue found when link
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
3204 3205 3206
			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
3207
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Y
Yaniv Rosner 已提交
3208
		}
E
Eilon Greenstein 已提交
3209

Y
Yaniv Rosner 已提交
3210
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
3211 3212
		/* Set blinking rate to ~15.9Hz */
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Y
Yaniv Rosner 已提交
3213
		       LED_BLINK_RATE_VAL);
Y
Yaniv Rosner 已提交
3214
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
3215
		       port*4, 1);
Y
Yaniv Rosner 已提交
3216
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
3217
		EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
E
Eilon Greenstein 已提交
3218

Y
Yaniv Rosner 已提交
3219 3220 3221 3222 3223
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
3224 3225 3226 3227
			/*
			 * On Everest 1 Ax chip versions for speeds less than
			 * 10G LED scheme is different
			 */
Y
Yaniv Rosner 已提交
3228
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
3229
			       + port*4, 1);
Y
Yaniv Rosner 已提交
3230
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
3231
			       port*4, 0);
Y
Yaniv Rosner 已提交
3232
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
3233
			       port*4, 1);
Y
Yaniv Rosner 已提交
3234 3235
		}
		break;
E
Eilon Greenstein 已提交
3236

Y
Yaniv Rosner 已提交
3237 3238 3239 3240 3241
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
3242
	}
Y
Yaniv Rosner 已提交
3243
	return rc;
E
Eilon Greenstein 已提交
3244

E
Eilon Greenstein 已提交
3245 3246
}

3247
/*
Y
Yaniv Rosner 已提交
3248 3249 3250 3251 3252
 * This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		   u8 is_serdes)
E
Eilon Greenstein 已提交
3253 3254
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3255
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
3256 3257
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
E
Eilon Greenstein 已提交
3258

Y
Yaniv Rosner 已提交
3259
	CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
Y
Yaniv Rosner 已提交
3260 3261 3262
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yaniv Rosner 已提交
3263
	/* link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276
	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
3277 3278
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
3279 3280 3281 3282 3283 3284 3285 3286 3287
			serdes_phy_type = ((params->phy[phy_index].media_type ==
					    ETH_PHY_SFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_XFP_FIBER));

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
3288 3289 3290
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
3291
			}
Y
Yaniv Rosner 已提交
3292
		}
Y
Yaniv Rosner 已提交
3293
		break;
E
Eilon Greenstein 已提交
3294
	}
Y
Yaniv Rosner 已提交
3295 3296
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
3297 3298
	return -ESRCH;
}
E
Eilon Greenstein 已提交
3299

Y
Yaniv Rosner 已提交
3300 3301 3302 3303 3304 3305
static u8 bnx2x_link_initialize(struct link_params *params,
				struct link_vars *vars)
{
	u8 rc = 0;
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
3306 3307 3308 3309 3310 3311
	/*
	 * 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
3312
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
3313

3314
	/*
Y
Yaniv Rosner 已提交
3315 3316 3317 3318
	 * 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
3319

Y
Yaniv Rosner 已提交
3320 3321 3322 3323
	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
3324

Y
Yaniv Rosner 已提交
3325 3326 3327
	/* 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
3328

Y
Yaniv Rosner 已提交
3329 3330 3331 3332 3333 3334 3335
	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
3336 3337
	}

Y
Yaniv Rosner 已提交
3338 3339 3340 3341
	/* Init external phy*/
	if (!non_ext_phy)
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
3342
			/*
Y
Yaniv Rosner 已提交
3343 3344 3345 3346
			 * 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.
3347
			 */
Y
Yaniv Rosner 已提交
3348 3349 3350
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
3351
				DP(NETIF_MSG_LINK, "Ignoring second phy\n");
Y
Yaniv Rosner 已提交
3352 3353
				continue;
			}
Y
Yaniv Rosner 已提交
3354 3355 3356 3357
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
E
Eilon Greenstein 已提交
3358

Y
Yaniv Rosner 已提交
3359 3360 3361 3362 3363 3364 3365 3366 3367
	/* 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
3368

Y
Yaniv Rosner 已提交
3369 3370 3371 3372
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
3373 3374
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
3375 3376
}

Y
Yaniv Rosner 已提交
3377 3378
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
3379
{
Y
Yaniv Rosner 已提交
3380 3381 3382
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
3383 3384 3385 3386
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
3387
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
3388 3389
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
3390
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
3391 3392
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
3393
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
3394
}
E
Eilon Greenstein 已提交
3395

Y
Yaniv Rosner 已提交
3396 3397
static u8 bnx2x_update_link_down(struct link_params *params,
			       struct link_vars *vars)
E
Eilon Greenstein 已提交
3398 3399
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3400
	u8 port = params->port;
E
Eilon Greenstein 已提交
3401

Y
Yaniv Rosner 已提交
3402
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
3403
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
E
Eilon Greenstein 已提交
3404

Y
Yaniv Rosner 已提交
3405 3406
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
3407

Y
Yaniv Rosner 已提交
3408 3409 3410 3411
	/* update shared memory */
	vars->link_status = 0;
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
3412

Y
Yaniv Rosner 已提交
3413 3414
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
3415

Y
Yaniv Rosner 已提交
3416 3417 3418 3419 3420 3421 3422
	/* 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
3423 3424
	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
3425 3426
	return 0;
}
Y
Yaniv Rosner 已提交
3427 3428 3429 3430

static u8 bnx2x_update_link_up(struct link_params *params,
			     struct link_vars *vars,
			     u8 link_10g)
E
Eilon Greenstein 已提交
3431 3432
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3433 3434
	u8 port = params->port;
	u8 rc = 0;
E
Eilon Greenstein 已提交
3435

Y
Yaniv Rosner 已提交
3436
	vars->link_status |= LINK_STATUS_LINK_UP;
3437

Y
Yaniv Rosner 已提交
3438 3439 3440
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
3441

Y
Yaniv Rosner 已提交
3442 3443 3444
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
3445

Y
Yaniv Rosner 已提交
3446 3447
	if (link_10g) {
		bnx2x_bmac_enable(params, vars, 0);
3448 3449
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, SPEED_10000);
Y
Yaniv Rosner 已提交
3450 3451
	} else {
		rc = bnx2x_emac_program(params, vars);
3452

Y
Yaniv Rosner 已提交
3453
		bnx2x_emac_enable(params, vars, 0);
3454

Y
Yaniv Rosner 已提交
3455 3456 3457 3458 3459 3460
		/* 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);
	}
3461

Y
Yaniv Rosner 已提交
3462
	/* PBF - link up */
D
Dmitry Kravkov 已提交
3463 3464 3465
	if (!(CHIP_IS_E2(bp)))
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
3466

Y
Yaniv Rosner 已提交
3467 3468
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
3469

Y
Yaniv Rosner 已提交
3470 3471 3472 3473
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
3474
}
3475
/*
Y
Yaniv Rosner 已提交
3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488
 * The bnx2x_link_update function should be called upon link
 * interrupt.
 * Link is considered up as follows:
 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
 *   to be up
 * - SINGLE_MEDIA - The link between the 577xx and the external
 *   phy (XGXS) need to up as well as the external link of the
 *   phy (PHY_EXT1)
 * - DUAL_MEDIA - The link between the 577xx and the first
 *   external phy needs to be up, and at least one of the 2
 *   external phy link must be up.
 */
u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
3489
{
Y
Yaniv Rosner 已提交
3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
	u8 link_10g, phy_index;
	u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
	vars->link_status = 0;
	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
		phy_vars[phy_index].flow_ctrl = 0;
		phy_vars[phy_index].link_status = 0;
		phy_vars[phy_index].line_speed = 0;
		phy_vars[phy_index].duplex = DUPLEX_FULL;
		phy_vars[phy_index].phy_link_up = 0;
		phy_vars[phy_index].link_up = 0;
	}
E
Eilon Greenstein 已提交
3508

Y
Yaniv Rosner 已提交
3509 3510 3511
	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
3512

Y
Yaniv Rosner 已提交
3513
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
3514
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
3515 3516 3517
	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
3518
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
3519

Y
Yaniv Rosner 已提交
3520 3521 3522
	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
3523

Y
Yaniv Rosner 已提交
3524 3525
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
3526

3527 3528 3529 3530 3531 3532 3533 3534
	/*
	 * 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
3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550
	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
3551

Y
Yaniv Rosner 已提交
3552 3553 3554
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
3555 3556 3557 3558
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
3559
			/*
Y
Yaniv Rosner 已提交
3560 3561 3562
			 * 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
3563
			 */
Y
Yaniv Rosner 已提交
3564 3565 3566
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
3567
			/*
Y
Yaniv Rosner 已提交
3568 3569
			 * In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
3570
			 */
Y
Yaniv Rosner 已提交
3571 3572 3573
				active_external_phy = EXT_PHY2;
				break;
			default:
3574
			/*
Y
Yaniv Rosner 已提交
3575 3576 3577 3578 3579 3580 3581
			 * 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
3582
			 */
Y
Yaniv Rosner 已提交
3583 3584 3585 3586 3587 3588
				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
3589 3590
		}
	}
Y
Yaniv Rosner 已提交
3591
	prev_line_speed = vars->line_speed;
3592 3593 3594 3595 3596 3597 3598
	/*
	 * 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
3599 3600 3601 3602
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
3603
	/*
Y
Yaniv Rosner 已提交
3604 3605 3606 3607 3608 3609
	 * 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
3610
	 */
Y
Yaniv Rosner 已提交
3611 3612
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
3613
		/*
Y
Yaniv Rosner 已提交
3614 3615
		 * Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
E
Eilon Greenstein 已提交
3616
		 */
Y
Yaniv Rosner 已提交
3617
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
3618

3619
		/*
Y
Yaniv Rosner 已提交
3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632
		 * 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
3633 3634 3635 3636 3637 3638 3639 3640
		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
3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651

	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
3652 3653 3654
	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);
3655
	/*
Y
Yaniv Rosner 已提交
3656 3657 3658 3659
	 * 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
3660

Y
Yaniv Rosner 已提交
3661 3662 3663 3664 3665 3666 3667 3668 3669
	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
3670 3671
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yaniv Rosner 已提交
3672 3673 3674
			msleep(1);
		}
	}
Y
Yaniv Rosner 已提交
3675

Y
Yaniv Rosner 已提交
3676 3677 3678 3679 3680 3681 3682
	/* 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
3683

Y
Yaniv Rosner 已提交
3684
	bnx2x_link_int_ack(params, vars, link_10g);
E
Eilon Greenstein 已提交
3685

3686 3687 3688 3689 3690 3691 3692 3693
	/*
	 * 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
3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710
	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
3711
		}
E
Eilon Greenstein 已提交
3712
	}
3713 3714 3715
	/*
	 * 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
3716
	 */
Y
Yaniv Rosner 已提交
3717 3718 3719 3720 3721 3722
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
			  SINGLE_MEDIA_DIRECT(params)));

	if (vars->link_up)
		rc = bnx2x_update_link_up(params, vars, link_10g);
E
Eilon Greenstein 已提交
3723
	else
Y
Yaniv Rosner 已提交
3724
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
3725

E
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3726
	return rc;
E
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3727 3728 3729
}


Y
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3730 3731 3732 3733 3734 3735
/*****************************************************************************/
/*			    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
3736
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
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3737 3738
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
3739
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
3740
}
E
Eilon Greenstein 已提交
3741

Y
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3742 3743 3744 3745 3746
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
3747

Y
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3748 3749
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
3750 3751
}

Y
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3752 3753 3754
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
3755
{
Y
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3756 3757 3758
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
3759
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
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3760
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
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3761
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
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3762 3763
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
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3764
}
3765

Y
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3766 3767 3768
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
3769 3770
{
	u16 val;
Y
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3771 3772 3773
	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
3774

Y
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3775
	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
Y
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3776

Y
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3777 3778 3779 3780 3781
	/* 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
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3782
		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
Y
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3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812
	}
	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
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3813 3814
				MDIO_AN_DEVAD,
				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
Y
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3815
		bnx2x_cl45_read(bp, phy,
Y
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3816 3817
				MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
Y
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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 3875 3876 3877 3878 3879 3880 3881
		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);
	}
}
3882
static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
Y
Yaniv Rosner 已提交
3883 3884 3885
					      struct bnx2x_phy *phy,
					      u8 port)
{
3886 3887 3888 3889
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
	u8 rc = 0;

Y
Yaniv Rosner 已提交
3890 3891 3892
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
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3893 3894 3895
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
3896 3897 3898

	/* ucode reboot and rst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3899 3900 3901
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
3902 3903

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3904 3905
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
3906 3907 3908

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3909 3910 3911
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
3912 3913 3914

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
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3915 3916 3917
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
3918

3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944
	/* 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
3945 3946 3947

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3948 3949
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
3950
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
3951 3952 3953 3954 3955 3956 3957

	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
3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
{
	/* This is only required for 8073A1, version 102 only */
	u16 val;

	/* Read 8073 HW revision*/
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3970 3971
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
3972 3973 3974 3975 3976 3977 3978

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3979 3980
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993

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

	return 1;
}

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3994 3995
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
3996 3997 3998 3999 4000 4001 4002

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

4003 4004 4005 4006
	/*
	 * After loading the boot ROM and restarting Autoneg, poll
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
4007 4008 4009

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4010 4011 4012
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
4013 4014 4015 4016 4017
		  /*
		   * 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
4018 4019 4020 4021
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
4022 4023 4024 4025 4026 4027 4028
			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
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 4054 4055 4056 4057 4058 4059 4060
			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
4061
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
4062 4063
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
4064
{
Y
Yaniv Rosner 已提交
4065
	u16 cl37_val;
Y
Yaniv Rosner 已提交
4066 4067
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
4068
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
4069 4070 4071

	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
4072
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090
	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
4091
	bnx2x_cl45_write(bp, phy,
4092
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
4093
	msleep(500);
Y
Yaniv Rosner 已提交
4094 4095
}

Y
Yaniv Rosner 已提交
4096 4097 4098
static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
4099
{
Y
Yaniv Rosner 已提交
4100
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4101 4102 4103
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
4104

D
Dmitry Kravkov 已提交
4105 4106 4107 4108
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
4109 4110
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
4111
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4112

Y
Yaniv Rosner 已提交
4113
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
4114
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4115

Y
Yaniv Rosner 已提交
4116 4117 4118 4119 4120
	/* 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);
4121

Y
Yaniv Rosner 已提交
4122
	bnx2x_8073_set_pause_cl37(params, phy, vars);
4123

Y
Yaniv Rosner 已提交
4124
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4125
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4126

Y
Yaniv Rosner 已提交
4127 4128
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4129

Y
Yaniv Rosner 已提交
4130
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4131

4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146
	/* 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
4147
	/* Enable CL37 BAM */
4148 4149 4150 4151
	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) {
4152

4153 4154 4155 4156 4157 4158 4159 4160
		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
4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173
	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);
4174 4175 4176 4177
			/*
			 * Note that 2.5G works only when used with 1G
			 * advertisment
			 */
Y
Yaniv Rosner 已提交
4178 4179 4180 4181 4182 4183 4184
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
4185

4186
		/* Note that 2.5G works only when used with 1G advertisment */
Y
Yaniv Rosner 已提交
4187 4188 4189 4190 4191 4192
		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);
	}
4193

Y
Yaniv Rosner 已提交
4194 4195
	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);
4196

Y
Yaniv Rosner 已提交
4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213
	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;
	}
4214

Y
Yaniv Rosner 已提交
4215 4216
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
4217

Y
Yaniv Rosner 已提交
4218 4219 4220 4221
	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)));
4222

Y
Yaniv Rosner 已提交
4223 4224
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4225

4226 4227 4228 4229 4230
	/*
	 * 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
4231 4232 4233 4234
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
4235

Y
Yaniv Rosner 已提交
4236 4237 4238 4239
	/* 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);
4240

Y
Yaniv Rosner 已提交
4241
	bnx2x_ext_phy_set_pause(params, phy, vars);
4242

Y
Yaniv Rosner 已提交
4243 4244 4245 4246 4247 4248
	/* 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
4249
}
Y
Yaniv Rosner 已提交
4250

Y
Yaniv Rosner 已提交
4251
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4252 4253 4254 4255
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4256 4257 4258 4259
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
4260

Y
Yaniv Rosner 已提交
4261 4262
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
Y
Yaniv Rosner 已提交
4263

Y
Yaniv Rosner 已提交
4264
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
4265

Y
Yaniv Rosner 已提交
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 4291 4292 4293 4294 4295 4296 4297
	/* 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;
4298
	}
Y
Yaniv Rosner 已提交
4299 4300 4301 4302
	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);
4303

Y
Yaniv Rosner 已提交
4304 4305 4306 4307 4308 4309 4310
	/* 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);
4311

Y
Yaniv Rosner 已提交
4312 4313
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
4314 4315 4316 4317 4318
		/*
		 * 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
		 */
4319
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4320 4321
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
4322

Y
Yaniv Rosner 已提交
4323
		/* Change CDR Bandwidth in EDC register */
4324
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4325 4326 4327 4328 4329 4330
				 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);
4331

Y
Yaniv Rosner 已提交
4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351
	/* 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);
4352
	}
Y
Yaniv Rosner 已提交
4353 4354

	if (link_up) {
4355 4356 4357 4358 4359 4360 4361
		/* 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);
4362 4363 4364 4365
			/*
			 * Set bit 3 to invert Rx in 1G mode and clear this bit
			 * when it`s in 10G mode.
			 */
4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377
			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
4378 4379
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
4380
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
4381 4382
	}
	return link_up;
Y
Yaniv Rosner 已提交
4383 4384
}

Y
Yaniv Rosner 已提交
4385 4386 4387 4388 4389
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
4390 4391 4392 4393
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
4394 4395 4396
	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
4397 4398
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
4399 4400 4401 4402 4403 4404
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4405 4406 4407 4408
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4409
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
4410 4411
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
4412
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
4413 4414 4415
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
4416
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
4417

Y
Yaniv Rosner 已提交
4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429
	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
4430

Y
Yaniv Rosner 已提交
4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441
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);
4442

Y
Yaniv Rosner 已提交
4443 4444 4445
	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);
4446

Y
Yaniv Rosner 已提交
4447 4448
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
4449

Y
Yaniv Rosner 已提交
4450 4451 4452 4453
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
4454

Y
Yaniv Rosner 已提交
4455 4456 4457 4458 4459
	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);
4460
	}
Y
Yaniv Rosner 已提交
4461 4462
	return link_up;
}
4463

Y
Yaniv Rosner 已提交
4464 4465 4466 4467 4468 4469 4470 4471 4472
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
static void bnx2x_sfp_set_transmitter(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port,
				      u8 tx_en)
{
	u16 val;
4473

Y
Yaniv Rosner 已提交
4474 4475 4476 4477 4478 4479 4480
	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
		 tx_en, port);
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER,
		      &val);
4481

Y
Yaniv Rosner 已提交
4482 4483 4484 4485
	if (tx_en)
		val &= ~(1<<15);
	else
		val |= (1<<15);
Y
Yaniv Rosner 已提交
4486

Y
Yaniv Rosner 已提交
4487 4488 4489 4490
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       val);
Y
Yaniv Rosner 已提交
4491 4492
}

Y
Yaniv Rosner 已提交
4493 4494
static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
Y
Yaniv Rosner 已提交
4495
					    u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
4496 4497
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4498 4499 4500 4501 4502 4503 4504 4505
	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 */
4506
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4507
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
4508
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
4509

Y
Yaniv Rosner 已提交
4510 4511 4512
	/* 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
4513
			 addr);
Y
Yaniv Rosner 已提交
4514

Y
Yaniv Rosner 已提交
4515
	/* Activate read command */
4516
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4517
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
4518
			 0x2c0f);
Y
Yaniv Rosner 已提交
4519

Y
Yaniv Rosner 已提交
4520 4521 4522
	/* 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
4523 4524
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4525 4526 4527 4528
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
4529 4530
	}

Y
Yaniv Rosner 已提交
4531 4532 4533 4534 4535 4536
	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;
4537
	}
Y
Yaniv Rosner 已提交
4538

Y
Yaniv Rosner 已提交
4539 4540
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
4541
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4542 4543
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
4544
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
4545
	}
Y
Yaniv Rosner 已提交
4546

Y
Yaniv Rosner 已提交
4547 4548
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4549 4550
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4551 4552
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
4553
			return 0;
Y
Yaniv Rosner 已提交
4554 4555 4556
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
4557
}
E
Eilon Greenstein 已提交
4558

Y
Yaniv Rosner 已提交
4559 4560
static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
Y
Yaniv Rosner 已提交
4561
					    u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
4562 4563
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4564
	u16 val, i;
Y
Yaniv Rosner 已提交
4565

Y
Yaniv Rosner 已提交
4566 4567 4568 4569 4570
	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
4571

Y
Yaniv Rosner 已提交
4572 4573
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4574 4575 4576
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
4577

Y
Yaniv Rosner 已提交
4578
	/* Set the read command byte count */
4579
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4580 4581 4582
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
4583

Y
Yaniv Rosner 已提交
4584
	/* Set the read command address */
4585
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4586 4587 4588
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
4589
	/* Set the destination address */
4590
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4591 4592 4593
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
4594

Y
Yaniv Rosner 已提交
4595
	/* Activate read command */
4596
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4597 4598 4599
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
4600 4601 4602 4603
	/*
	 * Wait appropriate time for two-wire command to finish before
	 * polling the status register
	 */
Y
Yaniv Rosner 已提交
4604
	msleep(1);
E
Eilon Greenstein 已提交
4605

Y
Yaniv Rosner 已提交
4606 4607
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
4608
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4609 4610
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4611 4612 4613 4614
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
4615
	}
E
Eilon Greenstein 已提交
4616

Y
Yaniv Rosner 已提交
4617 4618 4619 4620 4621
	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));
4622
		return -EFAULT;
Y
Yaniv Rosner 已提交
4623
	}
4624

Y
Yaniv Rosner 已提交
4625 4626 4627
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4628 4629
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
4630 4631
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
4632

Y
Yaniv Rosner 已提交
4633 4634
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4635 4636
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
4637 4638
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
4639
			return 0;
Y
Yaniv Rosner 已提交
4640
		msleep(1);
4641 4642
	}

Y
Yaniv Rosner 已提交
4643
	return -EINVAL;
Y
Yaniv Rosner 已提交
4644 4645
}

Y
Yaniv Rosner 已提交
4646 4647 4648
u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
				struct link_params *params, u16 addr,
				u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
4649
{
Y
Yaniv Rosner 已提交
4650 4651
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
Y
Yaniv Rosner 已提交
4652
							 byte_cnt, o_buf);
Y
Yaniv Rosner 已提交
4653 4654
	else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
Y
Yaniv Rosner 已提交
4655
							 byte_cnt, o_buf);
Y
Yaniv Rosner 已提交
4656
	return -EINVAL;
Y
Yaniv Rosner 已提交
4657 4658
}

Y
Yaniv Rosner 已提交
4659 4660
static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			     struct link_params *params,
Y
Yaniv Rosner 已提交
4661
			     u16 *edc_mode)
Y
Yaniv Rosner 已提交
4662 4663
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4664 4665
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
4666

Y
Yaniv Rosner 已提交
4667 4668 4669 4670 4671 4672 4673 4674 4675
	/* 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;
	}
4676

Y
Yaniv Rosner 已提交
4677 4678 4679 4680
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
4681

4682 4683 4684 4685
		/*
		 * Check if its active cable (includes SFP+ module)
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696
		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
4697

Y
Yaniv Rosner 已提交
4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713
		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;
4714
	}
Y
Yaniv Rosner 已提交
4715 4716 4717 4718 4719 4720 4721 4722
	case SFP_EEPROM_CON_TYPE_VAL_LC:
		DP(NETIF_MSG_LINK, "Optic module detected\n");
		check_limiting_mode = 1;
		break;
	default:
		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
			 val);
		return -EINVAL;
4723
	}
4724

Y
Yaniv Rosner 已提交
4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739
	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;
4740
	}
Y
Yaniv Rosner 已提交
4741
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4742
	return 0;
Y
Yaniv Rosner 已提交
4743
}
4744 4745 4746 4747
/*
 * This function read the relevant field from the module (SFP+), and verify it
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
4748 4749
static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
4750 4751
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4752 4753
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
4754 4755
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
4756
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4757 4758 4759 4760 4761 4762 4763 4764
	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
4765

Y
Yaniv Rosner 已提交
4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780
	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
4781
		DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Y
Yaniv Rosner 已提交
4782
			  "verification\n");
Y
Yaniv Rosner 已提交
4783 4784
		return -EINVAL;
	}
4785

Y
Yaniv Rosner 已提交
4786 4787
	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
4788 4789 4790 4791
	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
4792

Y
Yaniv Rosner 已提交
4793 4794 4795
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
4796 4797 4798
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
4799 4800 4801 4802 4803
		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
4804 4805 4806
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
4807 4808 4809 4810
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

4811 4812 4813
	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
4814
	phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4815
	return -EINVAL;
Y
Yaniv Rosner 已提交
4816
}
4817

Y
Yaniv Rosner 已提交
4818 4819
static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						struct link_params *params)
4820

E
Eilon Greenstein 已提交
4821
{
Y
Yaniv Rosner 已提交
4822
	u8 val;
E
Eilon Greenstein 已提交
4823
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4824
	u16 timeout;
4825 4826 4827 4828 4829
	/*
	 * Initialization time after hot-plug may take up to 300ms for
	 * some phys type ( e.g. JDSU )
	 */

Y
Yaniv Rosner 已提交
4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840
	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
4841

Y
Yaniv Rosner 已提交
4842 4843 4844 4845 4846 4847
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;
	/*
4848
	 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
4849 4850 4851 4852 4853 4854
	 * 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 )
4855
	 *
Y
Yaniv Rosner 已提交
4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869
	 * In case of NOC feature is disabled and power is up, set GPIO control
	 *  as input to enable listening of over-current indication
	 */
	if (phy->flags & FLAGS_NOC)
		return;
	if (!(phy->flags &
	      FLAGS_NOC) && is_power_up)
		val = (1<<4);
	else
		/*
		 * Set GPIO control to OUTPUT, and set the power bit
		 * to according to the is_power_up
		 */
		val = ((!(is_power_up)) << 1);
E
Eilon Greenstein 已提交
4870

Y
Yaniv Rosner 已提交
4871 4872 4873 4874 4875
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
4876

Y
Yaniv Rosner 已提交
4877 4878 4879 4880 4881
static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       u16 edc_mode)
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
4882

Y
Yaniv Rosner 已提交
4883
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4884 4885 4886
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
4887 4888 4889 4890
	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
4891
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
4892
		bnx2x_cl45_write(bp, phy,
4893
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
4894 4895 4896
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
4897

Y
Yaniv Rosner 已提交
4898
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
4899

4900 4901 4902 4903
		/*
		 * 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
4904 4905
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
4906

Y
Yaniv Rosner 已提交
4907
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4908 4909 4910
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
4911
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4912 4913 4914
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
4915
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4916 4917 4918
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
4919
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4920 4921 4922
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
4923
	}
Y
Yaniv Rosner 已提交
4924
	return 0;
E
Eilon Greenstein 已提交
4925 4926
}

Y
Yaniv Rosner 已提交
4927 4928
static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4929
				       u16 edc_mode)
Y
Yaniv Rosner 已提交
4930
{
Y
Yaniv Rosner 已提交
4931 4932
	u16 phy_identifier;
	u16 rom_ver2_val;
4933
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4934 4935 4936
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
4937

Y
Yaniv Rosner 已提交
4938
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4939 4940 4941
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
4942

4943
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4944 4945 4946
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
4947 4948
	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4949 4950 4951
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
4952

Y
Yaniv Rosner 已提交
4953
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4954 4955 4956
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
4957

Y
Yaniv Rosner 已提交
4958
	return 0;
Y
Yaniv Rosner 已提交
4959
}
Y
Yaniv Rosner 已提交
4960

Y
Yaniv Rosner 已提交
4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981
static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
				     struct link_params *params,
				     u32 action)
{
	struct bnx2x *bp = params->bp;

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

Y
Yaniv Rosner 已提交
4982 4983
static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
4984 4985
{
	struct bnx2x *bp = params->bp;
Y
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4986 4987
	u16 edc_mode;
	u8 rc = 0;
Y
Yaniv Rosner 已提交
4988

Y
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4989 4990 4991
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
4992

Y
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4993 4994 4995 4996 4997 4998
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);

	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
		return -EINVAL;
Y
Yaniv Rosner 已提交
4999
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yaniv Rosner 已提交
5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				  MISC_REGISTERS_GPIO_HIGH,
				  params->port);
		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
		    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
			/* Shutdown SFP+ module */
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
			bnx2x_8727_power_module(bp, phy, 0);
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
		DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
					  MISC_REGISTERS_GPIO_LOW,
					  params->port);
5021
	}
Y
Yaniv Rosner 已提交
5022

Y
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5023 5024 5025
	/* power up the SFP module */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		bnx2x_8727_power_module(bp, phy, 1);
5026

5027 5028 5029 5030
	/*
	 * Check and set limiting mode / LRM mode on 8726. On 8727 it
	 * is done automatically
	 */
Y
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5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
	else
		bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
	/*
	 * Enable transmit for this module if the module is approved, or
	 * if unapproved modules should also enable the Tx laser
	 */
	if (rc == 0 ||
	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
	else
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Y
Yaniv Rosner 已提交
5045

Y
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5046 5047 5048 5049
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
5050 5051
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5052 5053 5054
	struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
	u32 gpio_val;
	u8 port = params->port;
E
Eilon Greenstein 已提交
5055

Y
Yaniv Rosner 已提交
5056 5057 5058 5059
	/* Set valid module led off */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
			  MISC_REGISTERS_GPIO_HIGH,
			  params->port);
E
Eilon Greenstein 已提交
5060

5061
	/* Get current gpio val reflecting module plugged in / out*/
Y
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5062
	gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5063

Y
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5064 5065
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
E
Eilon Greenstein 已提交
5066

Y
Yaniv Rosner 已提交
5067 5068 5069
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   port);
E
Eilon Greenstein 已提交
5070

Y
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5071 5072 5073 5074 5075 5076
		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
5077 5078 5079
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
E
Eilon Greenstein 已提交
5080

Y
Yaniv Rosner 已提交
5081 5082 5083
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
				   port);
5084 5085 5086 5087
		/*
		 * Module was plugged out.
		 * Disable transmit for this module
		 */
Y
Yaniv Rosner 已提交
5088 5089 5090
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
5091
	}
Y
Yaniv Rosner 已提交
5092
}
5093

Y
Yaniv Rosner 已提交
5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105
/******************************************************************/
/*		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*/
5106
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5107 5108 5109 5110 5111 5112 5113
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
	/* clear LASI indication*/
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
5114 5115

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5116 5117 5118 5119 5120 5121 5122
			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);
5123

Y
Yaniv Rosner 已提交
5124 5125
	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);
5126 5127 5128
	/*
	 * 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
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5129 5130 5131 5132 5133 5134 5135
	 */
	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;
5136
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
5137
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
5138
	}
5139
	return link_up;
Y
Yaniv Rosner 已提交
5140
}
5141

Y
Yaniv Rosner 已提交
5142 5143 5144 5145
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
5146 5147 5148
				 struct link_params *params,
				 struct link_vars *vars)
{
Y
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5149
	u16 cnt, val;
Y
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5150
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5151
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
5152
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
5153 5154 5155
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
5156
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
5157

Y
Yaniv Rosner 已提交
5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187
	/* 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
Yaniv Rosner 已提交
5188

Y
Yaniv Rosner 已提交
5189 5190 5191 5192 5193 5194 5195
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
	} else {
		/* Force 1Gbps using autoneg with 1G advertisment */
Y
Yaniv Rosner 已提交
5196

Y
Yaniv Rosner 已提交
5197 5198 5199 5200
		/* Allow CL37 through CL73 */
		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
Y
Yaniv Rosner 已提交
5201

Y
Yaniv Rosner 已提交
5202 5203 5204 5205 5206 5207 5208 5209 5210
		/* Enable Full-Duplex advertisment on CL37 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
		/* Enable CL37 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		/* 1G support */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
Y
Yaniv Rosner 已提交
5211

Y
Yaniv Rosner 已提交
5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x0400);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
	return 0;
}
Y
Yaniv Rosner 已提交
5225

Y
Yaniv Rosner 已提交
5226 5227 5228 5229 5230 5231
static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
Yaniv Rosner 已提交
5232

Y
Yaniv Rosner 已提交
5233 5234 5235 5236 5237 5238 5239 5240 5241 5242
/******************************************************************/
/*			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);
}
5243

Y
Yaniv Rosner 已提交
5244 5245 5246 5247 5248 5249
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);
5250

Y
Yaniv Rosner 已提交
5251 5252 5253
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
5254

Y
Yaniv Rosner 已提交
5255 5256
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5257 5258 5259
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
5260

Y
Yaniv Rosner 已提交
5261
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5262 5263
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
5264

Y
Yaniv Rosner 已提交
5265
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5266 5267 5268
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
5269 5270 5271 5272 5273 5274

	/* 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
Yaniv Rosner 已提交
5275 5276
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
5277 5278 5279

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
Yaniv Rosner 已提交
5280 5281
}

Y
Yaniv Rosner 已提交
5282
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
5283 5284 5285 5286
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5287 5288
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
5289 5290
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5291 5292 5293 5294 5295 5296 5297
				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;
		}
5298 5299
	}
	return link_up;
Y
Yaniv Rosner 已提交
5300 5301
}

Y
Yaniv Rosner 已提交
5302 5303 5304 5305

static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
5306 5307
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5308 5309 5310 5311 5312 5313
	u32 val;
	u32 swap_val, swap_override, aeu_gpio_mask, offset;
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
5314

Y
Yaniv Rosner 已提交
5315 5316
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
5317

Y
Yaniv Rosner 已提交
5318
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
5319
	bnx2x_wait_reset_complete(bp, phy, params);
5320

Y
Yaniv Rosner 已提交
5321
	bnx2x_8726_external_rom_boot(phy, params);
5322

5323 5324 5325 5326 5327 5328
	/*
	 * Need to call module detected on initialization since the module
	 * detection triggered by actual module insertion might occur before
	 * driver is loaded, and when driver is loaded, it reset all
	 * registers, including the transmitter
	 */
Y
Yaniv Rosner 已提交
5329
	bnx2x_sfp_module_detection(phy, params);
5330

Y
Yaniv Rosner 已提交
5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360
	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);
5361 5362 5363 5364
		/*
		 * Enable RX-ALARM control to receive interrupt for 1G speed
		 * change
		 */
Y
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5365 5366 5367 5368 5369
		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);
5370

Y
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5371 5372 5373
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
5374 5375
	}

Y
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5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386
	/* 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]);
5387

Y
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5388 5389 5390 5391 5392
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
5393

Y
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5394 5395
	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
Y
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5396
		       MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
Y
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5397

Y
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5398 5399 5400
	/* 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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5401

Y
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5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412
	/* 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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5413
	}
Y
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5414 5415 5416 5417 5418
	val = REG_RD(bp, offset);
	/* add GPIO3 to group */
	val |= aeu_gpio_mask;
	REG_WR(bp, offset, val);
	return 0;
5419

Y
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5420 5421
}

Y
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5422 5423
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
5424
{
Y
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5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435
	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			  */
/******************************************************************/
5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482

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);
}
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5483 5484 5485 5486
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
5487
	/*
Y
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5488 5489
	 * The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
5490
	 */
Y
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5491 5492 5493 5494 5495
	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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5496
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
5497
}
Y
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5498

Y
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5499 5500 5501
static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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5502
{
Y
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5503 5504 5505
	u16 tmp1, val, mod_abs;
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
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5506
	struct bnx2x *bp = params->bp;
Y
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5507
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
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5508

5509
	bnx2x_wait_reset_complete(bp, phy, params);
Y
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5510 5511
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
	lasi_ctrl_val = 0x0004;
Y
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5512

Y
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5513 5514 5515 5516 5517
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
			 rx_alarm_ctrl_val);
Y
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5518

Y
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5519 5520
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
Y
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5521

5522 5523 5524 5525
	/*
	 * Initially configure MOD_ABS to interrupt when module is
	 * presence( bit 8)
	 */
Y
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5526 5527
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
5528 5529 5530 5531 5532
	/*
	 * 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'
	 */
5533 5534 5535
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
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5536 5537
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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5538 5539


Y
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5540 5541 5542 5543
	/* 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);
5544 5545
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
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5546

5547
	/*
5548 5549 5550 5551 5552
	 * 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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5553 5554
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
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5555

Y
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5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573
	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);
5574
		/*
Y
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5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586
		 * Power down the XAUI until link is up in case of dual-media
		 * and 1G
		 */
		if (DUAL_MEDIA(params)) {
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8727_PCS_GP, &val);
			val |= (3<<10);
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8727_PCS_GP, val);
		}
Y
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5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599
	} 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 {
5600
		/*
Y
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5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613
		 * Since the 8727 has only single reset pin, need to set the 10G
		 * registers although it is default
		 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
				 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
				 0x0008);
Y
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5614 5615
	}

5616 5617
	/*
	 * Set 2-wire transfer rate of SFP+ module EEPROM
Y
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5618 5619 5620 5621 5622 5623
	 * to 100Khz since some DACs(direct attached cables) do
	 * not work at 400Khz.
	 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
			 0xa001);
Y
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5624

Y
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5625 5626 5627 5628 5629 5630 5631 5632 5633
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
			   phy->tx_preemphasis[0],
			   phy->tx_preemphasis[1]);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
				 phy->tx_preemphasis[0]);
Y
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5634

Y
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5635 5636 5637 5638
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
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5639

Y
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5640
	return 0;
Y
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5641 5642
}

Y
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5643 5644
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
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5645 5646
{
	struct bnx2x *bp = params->bp;
Y
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5647 5648 5649 5650 5651 5652
	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
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5653 5654
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
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5655
	if (mod_abs & (1<<8)) {
Y
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5656

Y
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5657 5658 5659
		/* Module is absent */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is absent\n");
Y
Yaniv Rosner 已提交
5660

5661 5662 5663 5664 5665 5666 5667 5668
		/*
		 * 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'.
		 */
5669 5670 5671
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
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5672
		bnx2x_cl45_write(bp, phy,
Y
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5673 5674
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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5675

5676 5677 5678 5679
		/*
		 * Clear RX alarm since it stays up as long as
		 * the mod_abs wasn't changed
		 */
Y
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5680
		bnx2x_cl45_read(bp, phy,
Y
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5681 5682
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
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5683

Y
Yaniv Rosner 已提交
5684 5685 5686 5687
	} else {
		/* Module is present */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is present\n");
5688 5689 5690 5691 5692 5693 5694 5695
		/*
		 * 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)
		 */
5696 5697 5698
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
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5699
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5700 5701
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
5702

5703 5704 5705 5706 5707 5708
		/*
		 * 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
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5709 5710 5711
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
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5712 5713


Y
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5714 5715 5716 5717 5718 5719 5720 5721
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);

		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Y
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5722
	}
Y
Yaniv Rosner 已提交
5723 5724

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
5725 5726
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
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5727 5728
}

Y
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5729 5730 5731 5732
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
5733 5734
{
	struct bnx2x *bp = params->bp;
Y
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5735 5736
	u8 link_up = 0;
	u16 link_status = 0;
Y
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5737 5738 5739 5740 5741 5742 5743 5744 5745
	u16 rx_alarm_status, lasi_ctrl, val1;

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

Y
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5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761
	/* Check the LASI */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

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

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

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

5762
	/*
Y
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5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781
	 * If a module is present and there is need to check
	 * for over current
	 */
	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
		/* Check over-current using 8727 GPIO0 input*/
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
				&val1);

		if ((val1 & (1<<8)) == 0) {
			DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
				       " on port %d\n", params->port);
			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
					    " been detected and the power to "
					    "that SFP+ module has been removed"
					    " to prevent failure of the card."
					    " Please remove the SFP+ module and"
					    " restart the system to clear this"
					    " error.\n",
5782 5783
			 params->port);
			/* Disable all RX_ALARMs except for mod_abs */
Y
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5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));

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

	/* When module absent bit is set, check module */
	if (rx_alarm_status & (1<<5)) {
		bnx2x_8727_handle_mod_abs(phy, params);
		/* Enable all mod_abs and link detection bits */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 ((1<<5) | (1<<2)));
	}
Y
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5812 5813
	DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
	bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Y
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5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825
	/* 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);

5826 5827 5828 5829
	/*
	 * Bits 0..2 --> speed detected,
	 * Bits 13..15--> link is down
	 */
Y
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5830 5831 5832
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
5833 5834
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
5835 5836 5837 5838 5839 5840 5841 5842 5843 5844
	} 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);
	}
5845
	if (link_up) {
Y
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5846
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
5847 5848 5849
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
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5850 5851 5852 5853 5854 5855

	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);
5856
		/*
Y
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5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867
		 * In case of dual-media board and 1G, power up the XAUI side,
		 * otherwise power it down. For 10G it is done automatically
		 */
		if (link_up)
			val1 &= ~(3<<10);
		else
			val1 |= (3<<10);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8727_PCS_GP, val1);
	}
Y
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5868
	return link_up;
Y
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5869
}
Y
Yaniv Rosner 已提交
5870

Y
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5871 5872
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
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5873 5874
{
	struct bnx2x *bp = params->bp;
Y
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5875 5876
	/* Disable Transmitter */
	bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Y
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5877 5878 5879
	/* Clear LASI */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);

Y
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5880
}
5881

Y
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5882 5883 5884 5885 5886
/******************************************************************/
/*		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
5887
{
Y
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5888 5889
	u16 val, fw_ver1, fw_ver2, cnt;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5890

Y
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5891 5892 5893 5894 5895 5896 5897
	/* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
	/* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Y
Yaniv Rosner 已提交
5898

Y
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5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
		bnx2x_save_spirom_version(bp, params->port, 0,
					  phy->ver_addr);
		return;
	}
Y
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5911 5912


Y
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5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927
	/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
		bnx2x_save_spirom_version(bp, params->port, 0,
					  phy->ver_addr);
		return;
Y
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5928 5929
	}

Y
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5930 5931 5932 5933
	/* lower 16 bits of the register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
	/* upper 16 bits of register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
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5934

Y
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5935 5936 5937
	bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
				  phy->ver_addr);
}
Y
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5938

Y
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5939 5940
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
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5941
{
Y
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5942
	u16 val;
Y
Yaniv Rosner 已提交
5943

Y
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5944 5945 5946 5947 5948 5949
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
	val &= 0xFE00;
	val |= 0x0092;
5950

Y
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5951 5952 5953
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
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5954

Y
Yaniv Rosner 已提交
5955 5956 5957 5958
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED1_MASK,
			 0x80);
Y
Yaniv Rosner 已提交
5959

Y
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5960 5961 5962 5963
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED2_MASK,
			 0x18);
Y
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5964

Y
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5965
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
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5966 5967 5968
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
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5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983 5984
			 0x0006);

	/* Select the closest activity blink rate to that in 10/100/1000 */
	bnx2x_cl45_write(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8481_LED3_BLINK,
			0);

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/

	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Y
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5985

Y
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5986 5987 5988 5989
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
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5990 5991
}

Y
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5992
static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
Y
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5993 5994
				      struct link_params *params,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5995
{
5996
	struct bnx2x *bp = params->bp;
Y
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5997
	u16 autoneg_val, an_1000_val, an_10_100_val;
5998 5999 6000 6001 6002
	/*
	 * 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
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6003 6004
	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
Y
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6005

Y
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6006 6007
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
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6008

Y
Yaniv Rosner 已提交
6009
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
6010

Y
Yaniv Rosner 已提交
6011 6012 6013 6014
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
6015

Y
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6016 6017 6018 6019 6020 6021 6022 6023 6024 6025 6026
	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
6027

Y
Yaniv Rosner 已提交
6028 6029 6030 6031 6032 6033 6034 6035 6036 6037 6038
	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
6039

Y
Yaniv Rosner 已提交
6040 6041 6042
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
6043

Y
Yaniv Rosner 已提交
6044 6045 6046 6047 6048 6049 6050 6051
	/* 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
6052

Y
Yaniv Rosner 已提交
6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067
		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
6068

Y
Yaniv Rosner 已提交
6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084
	/* 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
6085

Y
Yaniv Rosner 已提交
6086 6087 6088
	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
6089

Y
Yaniv Rosner 已提交
6090 6091
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
6092

Y
Yaniv Rosner 已提交
6093 6094 6095
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
6096

Y
Yaniv Rosner 已提交
6097 6098 6099 6100 6101 6102 6103 6104 6105 6106 6107 6108 6109 6110 6111 6112
	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
6113
	}
Y
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6114 6115 6116 6117
	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, params);

	return 0;
Y
Yaniv Rosner 已提交
6118 6119
}

Y
Yaniv Rosner 已提交
6120 6121 6122
static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6123 6124
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6125 6126
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6127
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
6128

Y
Yaniv Rosner 已提交
6129 6130
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
6131
	bnx2x_wait_reset_complete(bp, phy, params);
6132

Y
Yaniv Rosner 已提交
6133 6134 6135
	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
6136

Y
Yaniv Rosner 已提交
6137 6138 6139 6140 6141
static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
6142
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
6143
	u16 val;
Y
Yaniv Rosner 已提交
6144
	u16 temp;
Y
Yaniv Rosner 已提交
6145 6146
	u32 actual_phy_selection;
	u8 rc = 0;
6147 6148 6149

	/* This is just for MDIO_CTL_REG_84823_MEDIA register. */

Y
Yaniv Rosner 已提交
6150
	msleep(1);
6151 6152 6153 6154
	if (CHIP_IS_E2(bp))
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
6155 6156
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
6157
		       port);
6158
	bnx2x_wait_reset_complete(bp, phy, params);
6159 6160
	/* Wait for GPHY to come out of reset */
	msleep(50);
6161 6162 6163
	/*
	 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
	 */
Y
Yaniv Rosner 已提交
6164 6165
	temp = vars->line_speed;
	vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
6166 6167
	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
6168
	vars->line_speed = temp;
Y
Yaniv Rosner 已提交
6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214

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

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

	actual_phy_selection = bnx2x_phy_selection(params);

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

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

	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
		bnx2x_save_848xx_spirom_version(phy, params);
	return rc;
Y
Yaniv Rosner 已提交
6215
}
Y
Yaniv Rosner 已提交
6216

Y
Yaniv Rosner 已提交
6217
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
6218 6219
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
6220 6221 6222 6223
{
	struct bnx2x *bp = params->bp;
	u16 val, val1, val2;
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
6224

Y
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6225 6226 6227 6228 6229 6230 6231 6232
	/* Check 10G-BaseT link status */
	/* Check PMD signal ok */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, 0xFFFA, &val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
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6233

Y
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6234 6235
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
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6236
		vars->line_speed = SPEED_10000;
6237
		vars->duplex = DUPLEX_FULL;
Y
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6238 6239 6240 6241
		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
6242

Y
Yaniv Rosner 已提交
6243 6244 6245 6246
		/* 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
6247

Y
Yaniv Rosner 已提交
6248 6249 6250 6251 6252
		/* 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
6253

Y
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6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264 6265 6266
		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
6267

Y
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6268 6269 6270 6271
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
6272

Y
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6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290
			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
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6291 6292
		}
	}
Y
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6293 6294 6295 6296 6297
	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
6298

Y
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6299
	return link_up;
Y
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6300 6301
}

Y
Yaniv Rosner 已提交
6302
static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
6303
{
Y
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6304 6305 6306 6307 6308
	u8 status = 0;
	u32 spirom_ver;
	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
	status = bnx2x_format_ver(spirom_ver, str, len);
	return status;
Y
Yaniv Rosner 已提交
6309
}
Y
Yaniv Rosner 已提交
6310 6311 6312

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
6313
{
Y
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6314
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6315
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
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6316
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6317
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
6318
}
Y
Yaniv Rosner 已提交
6319

Y
Yaniv Rosner 已提交
6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332
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;
6333 6334 6335 6336 6337
	u8 port;
	if (CHIP_IS_E2(bp))
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
6338
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
Y
Yaniv Rosner 已提交
6339 6340
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       port);
Y
Yaniv Rosner 已提交
6341 6342
}

6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 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
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
				     struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 val;

	switch (mode) {
	case LED_MODE_OFF:

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

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

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

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

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

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

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

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

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

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6395 6396 6397
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
6398 6399

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6400 6401 6402
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);
6403 6404

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6405 6406 6407
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
6408 6409

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6410 6411 6412
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435

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

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

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

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6436 6437 6438
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
6439 6440 6441

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6442 6443 6444
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
6445 6446

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6447 6448 6449
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
6450 6451

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6452 6453 6454
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
6455 6456

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6457 6458 6459
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
6460 6461
		} else {
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6462 6463 6464
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
6465 6466 6467 6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481
		}
		break;

	case LED_MODE_OPER:

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

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

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

			if (!((val &
Y
Yaniv Rosner 已提交
6482 6483
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
6484
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
6485 6486 6487 6488 6489 6490 6491 6492
				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
6493 6494 6495
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
6496 6497

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6498 6499 6500
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
6501 6502

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6503 6504 6505
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
6506 6507

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6508 6509 6510
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
6511 6512 6513 6514 6515 6516

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528

			/* 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);
6529 6530 6531 6532
		}
		break;
	}
}
Y
Yaniv Rosner 已提交
6533 6534 6535 6536 6537
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
6538 6539
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6540 6541 6542
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
6543 6544
}

Y
Yaniv Rosner 已提交
6545 6546 6547
static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6548
{
Y
Yaniv Rosner 已提交
6549
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
6550
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6551
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
6552

Y
Yaniv Rosner 已提交
6553 6554
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6555
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
6556 6557
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
6558
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
6559

Y
Yaniv Rosner 已提交
6560 6561 6562 6563 6564
	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
6565

Y
Yaniv Rosner 已提交
6566 6567 6568 6569 6570 6571 6572
	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
6573

Y
Yaniv Rosner 已提交
6574 6575 6576
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6577

Y
Yaniv Rosner 已提交
6578 6579 6580 6581 6582 6583
	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
6584

Y
Yaniv Rosner 已提交
6585 6586 6587
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
6588 6589
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604
	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);
6605
	/* if link is up print the AN outcome of the SFX7101 PHY */
Y
Yaniv Rosner 已提交
6606 6607 6608 6609 6610
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
6611
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
6612 6613 6614 6615 6616 6617 6618
		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
6619 6620


Y
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static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
{
	if (*len < 5)
		return -EINVAL;
	str[0] = (spirom_ver & 0xFF);
	str[1] = (spirom_ver & 0xFF00) >> 8;
	str[2] = (spirom_ver & 0xFF0000) >> 16;
	str[3] = (spirom_ver & 0xFF000000) >> 24;
	str[4] = '\0';
	*len -= 5;
6631 6632 6633
	return 0;
}

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void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
6635
{
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	u16 val, cnt;
6637

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	bnx2x_cl45_read(bp, phy,
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			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
6641

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	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
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				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
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		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
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				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
6653

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		if ((val & (1<<15)) == 0)
			break;
6656 6657
	}
}
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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,
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		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
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	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
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		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
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}
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6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684 6685 6686 6687 6688 6689 6690 6691
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);
}

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/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
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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,
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	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
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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,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
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static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
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	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
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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,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
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static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
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	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
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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,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
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	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
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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,
6823
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.flags		= FLAGS_HW_LOCK_REQUIRED,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
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	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
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	.req_duplex	= 0,
	.rsrv		= 0,
6849
	.config_init	= (config_init_t)bnx2x_8073_config_init,
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	.read_status	= (read_status_t)bnx2x_8073_read_status,
	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_XFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8705_config_init,
	.read_status	= (read_status_t)bnx2x_8705_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8706_config_init,
	.read_status	= (read_status_t)bnx2x_8706_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};

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

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8727_config_init,
	.read_status	= (read_status_t)bnx2x_8727_read_status,
	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
6978
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
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};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8481_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
7014
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};

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static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_848x3_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
7051
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};

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

static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
				     struct bnx2x_phy *phy, u8 port,
				     u8 phy_index)
{
	/* Get the 4 lanes xgxs config rx and tx */
	u32 rx = 0, tx = 0, i;
	for (i = 0; i < 2; i++) {
7068
		/*
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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]));
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		} 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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			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;
}
static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				 struct bnx2x_phy *phy)
{
	u32 phy_addr;
	u32 chip_id;
	u32 switch_cfg = (REG_RD(bp, shmem_base +
				       offsetof(struct shmem_region,
			dev_info.port_feature_config[port].link_config)) &
			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
	chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
		phy_addr = REG_RD(bp,
					NIG_REG_SERDES0_CTRL_PHY_ADDR +
					port * 0x10);
		*phy = phy_serdes;
		break;
	case SWITCH_CFG_10G:
		phy_addr = REG_RD(bp,
					NIG_REG_XGXS0_CTRL_PHY_ADDR +
					port * 0x18);
		*phy = phy_xgxs;
		break;
	default:
		DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
		return -EINVAL;
	}
	phy->addr = (u8)phy_addr;
	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
					    port);
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	if (CHIP_IS_E2(bp))
		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
	else
		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
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	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
		   port, phy->addr, phy->mdio_ctrl);

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

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

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

7222 7223 7224 7225 7226
	/*
	 * 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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		/* 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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7237 7238
	} else {
		u32 size = REG_RD(bp, shmem2_base);
Y
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7239

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7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252
		if (size >
		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
			phy->ver_addr = shmem2_base +
			    offsetof(struct shmem2_region,
				     ext_phy_fw_version2[port]);
		}
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
			mdc_mdio_access = (config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
	}
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	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

7255
	/*
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7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269
	 * In case mdc/mdio_access of the external phy is different than the
	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
	 * to prevent one port interfere with another port's CL45 operations.
	 */
	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
		   phy_type, port, phy_index);
	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
		   phy->addr, phy->mdio_ctrl);
	return 0;
}

static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
Y
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7270
			     u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Y
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{
	u8 status = 0;
	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
	if (phy_index == INT_PHY)
		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Y
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7276
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
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7277 7278 7279 7280 7281 7282
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
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7283
			      u8 phy_index)
Y
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7284 7285 7286 7287
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
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7288 7289
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
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7290
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
7291 7292
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
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7293 7294
					     offsetof(struct shmem_region,
						      dev_info.
Y
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7295 7296 7297
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
Y
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7298
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
7299 7300
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
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7301 7302 7303
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
Y
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7304 7305 7306
	}
	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
7307 7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319 7320 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 7349 7350 7351 7352

	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
7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 7371 7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385
u32 bnx2x_phy_selection(struct link_params *params)
{
	u32 phy_config_swapped, prio_cfg;
	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;

	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;

	prio_cfg = params->multi_phy_config &
			PORT_HW_CFG_PHY_SELECTION_MASK;

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

	return return_cfg;
}


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7386 7387 7388
u8 bnx2x_phy_probe(struct link_params *params)
{
	u8 phy_index, actual_phy_idx, link_cfg_idx;
Y
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7389
	u32 phy_config_swapped;
Y
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7390 7391 7392 7393
	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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7394 7395
	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
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7396 7397 7398 7399 7400

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
		actual_phy_idx = phy_index;
Y
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7401 7402 7403 7404 7405 7406 7407 7408 7409
		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);
Y
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7410 7411
		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Y
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7412
				       params->shmem2_base, params->port,
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7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425
				       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;

Y
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7426
		bnx2x_phy_def_cfg(params, phy, phy_index);
Y
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7427 7428 7429 7430 7431 7432 7433 7434 7435 7436
		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;
Y
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7437 7438 7439
	u8 actual_phy_idx, phy_index, link_cfg_idx;
	u8 phy_config_swapped = params->multi_phy_config &
			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
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7440 7441
	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
Y
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7442
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
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7443
		actual_phy_idx = phy_index;
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7444 7445 7446 7447 7448 7449
		if (phy_config_swapped) {
			if (phy_index == EXT_PHY1)
				actual_phy_idx = EXT_PHY2;
			else if (phy_index == EXT_PHY2)
				actual_phy_idx = EXT_PHY1;
		}
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7450
		params->phy[actual_phy_idx].req_flow_ctrl =
Y
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7451
			params->req_flow_ctrl[link_cfg_idx];
Y
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7452 7453

		params->phy[actual_phy_idx].req_line_speed =
Y
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7454
			params->req_line_speed[link_cfg_idx];
Y
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7455 7456

		params->phy[actual_phy_idx].speed_cap_mask =
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7457
			params->speed_cap_mask[link_cfg_idx];
Y
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7458 7459

		params->phy[actual_phy_idx].req_duplex =
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Yaniv Rosner 已提交
7460
			params->req_duplex[link_cfg_idx];
Y
Yaniv Rosner 已提交
7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473

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

u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Y
Yaniv Rosner 已提交
7474 7475 7476 7477
	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
7478 7479 7480 7481 7482 7483 7484 7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520
	vars->link_status = 0;
	vars->phy_link_up = 0;
	vars->link_up = 0;
	vars->line_speed = 0;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_NONE;
	vars->phy_flags = 0;

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

	bnx2x_emac_init(params, vars);

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

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

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

		bnx2x_emac_enable(params, vars, 0);
D
Dmitry Kravkov 已提交
7521 7522 7523
		if (!(CHIP_IS_E2(bp)))
			bnx2x_pbf_update(params, vars->flow_ctrl,
					 vars->line_speed);
Y
Yaniv Rosner 已提交
7524 7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548 7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560
		/* disable drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

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

		return 0;

	} else
	if (CHIP_REV_IS_EMUL(bp)) {

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

		bnx2x_bmac_enable(params, vars, 0);

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

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

		return 0;

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

		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_BMAC;
Y
Yaniv Rosner 已提交
7561

Y
Yaniv Rosner 已提交
7562
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
7563

Y
Yaniv Rosner 已提交
7564
		bnx2x_xgxs_deassert(params);
Y
Yaniv Rosner 已提交
7565

Y
Yaniv Rosner 已提交
7566 7567
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
7568

Y
Yaniv Rosner 已提交
7569
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
7570

Y
Yaniv Rosner 已提交
7571
	} else if (params->loopback_mode == LOOPBACK_EMAC) {
Y
Yaniv Rosner 已提交
7572

Y
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7573 7574 7575 7576 7577
		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
7578

Y
Yaniv Rosner 已提交
7579
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
7580

Y
Yaniv Rosner 已提交
7581 7582 7583 7584
		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
Y
Yaniv Rosner 已提交
7585
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
7586

Y
Yaniv Rosner 已提交
7587 7588
	} else if ((params->loopback_mode == LOOPBACK_XGXS) ||
		   (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Y
Yaniv Rosner 已提交
7589

Y
Yaniv Rosner 已提交
7590 7591
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
7592 7593 7594 7595 7596 7597 7598 7599
		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;
		}
7600

Y
Yaniv Rosner 已提交
7601 7602
		bnx2x_xgxs_deassert(params);
		bnx2x_link_initialize(params, vars);
7603

Y
Yaniv Rosner 已提交
7604 7605 7606 7607
		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
7608
			bnx2x_bmac_enable(params, vars, 0);
Y
Yaniv Rosner 已提交
7609 7610 7611 7612 7613
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
7614

Y
Yaniv Rosner 已提交
7615 7616 7617 7618 7619 7620 7621 7622 7623 7624 7625
		} 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
7626
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
7627

7628 7629
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
7630 7631 7632 7633 7634 7635 7636
	} else
	/* No loopback */
	{
		if (params->switch_cfg == SWITCH_CFG_10G)
			bnx2x_xgxs_deassert(params);
		else
			bnx2x_serdes_deassert(bp, params->port);
7637

Y
Yaniv Rosner 已提交
7638 7639 7640 7641
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
	}
Y
Yaniv Rosner 已提交
7642 7643
	return 0;
}
Y
Yaniv Rosner 已提交
7644
u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
Y
Yaniv Rosner 已提交
7645
		    u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
7646 7647
{
	struct bnx2x *bp = params->bp;
7648
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
7649 7650 7651 7652 7653
	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
7654 7655 7656 7657
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
7658

Y
Yaniv Rosner 已提交
7659 7660
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
7661

Y
Yaniv Rosner 已提交
7662 7663 7664
	/* 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
7665

Y
Yaniv Rosner 已提交
7666 7667
	/* Stop BigMac rx */
	bnx2x_bmac_rx_disable(bp, port);
Y
Yaniv Rosner 已提交
7668

Y
Yaniv Rosner 已提交
7669 7670
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
7671

Y
Yaniv Rosner 已提交
7672 7673 7674 7675 7676
	msleep(10);
	/* The PHY reset is controled by GPIO 1
	 * Hold it as vars low
	 */
	 /* clear link led */
7677 7678
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
7679 7680 7681 7682 7683 7684 7685
	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);
7686 7687 7688
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
7689 7690 7691
		}
	}

7692 7693 7694 7695 7696 7697
	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
7698 7699 7700 7701 7702 7703
	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
7704

Y
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7705 7706 7707 7708 7709 7710
	/* 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
7711 7712 7713
	return 0;
}

Y
Yaniv Rosner 已提交
7714 7715 7716
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
D
Dmitry Kravkov 已提交
7717 7718 7719 7720
static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
				     u32 shmem_base_path[],
				     u32 shmem2_base_path[], u8 phy_index,
				     u32 chip_id)
Y
Yaniv Rosner 已提交
7721
{
Y
Yaniv Rosner 已提交
7722 7723
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
7724
	u16 val;
Y
Yaniv Rosner 已提交
7725
	s8 port = 0;
D
Dmitry Kravkov 已提交
7726
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
7727 7728 7729 7730 7731
	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
7732 7733
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745
		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
7746
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7747
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
7748
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
7749 7750 7751 7752
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7753
		/* disable attentions */
7754 7755
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
7756 7757 7758 7759
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
7760 7761 7762 7763

		/* 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
7764 7765
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
7766 7767

		/* Reset the phy */
Y
Yaniv Rosner 已提交
7768
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
7769 7770 7771
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
7772 7773 7774 7775 7776
	}

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

Y
Yaniv Rosner 已提交
7777 7778 7779 7780 7781 7782 7783 7784
	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
7785 7786
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
7787 7788 7789 7790
		if (CHIP_IS_E2(bp))
			port_of_path = 0;
		else
			port_of_path = port;
Y
Yaniv Rosner 已提交
7791

D
Dmitry Kravkov 已提交
7792 7793
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
7794 7795
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
7796 7797 7798
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
7799
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7800 7801
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
7802 7803

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
7804
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7805 7806 7807
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
7808 7809
	}

7810 7811 7812 7813
	/*
	 * Toggle Transmitter: Power down and then up with 600ms delay
	 * between
	 */
Y
Yaniv Rosner 已提交
7814 7815 7816 7817
	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
7818
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
7819
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
7820
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7821 7822
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
7823

Y
Yaniv Rosner 已提交
7824
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7825 7826
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yaniv Rosner 已提交
7827 7828 7829
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
7830
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7831 7832
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
7833
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7834 7835
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
7836 7837 7838

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7839
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
7840 7841 7842
	}
	return 0;
}
D
Dmitry Kravkov 已提交
7843 7844 7845 7846
static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
				     u32 shmem_base_path[],
				     u32 shmem2_base_path[], u8 phy_index,
				     u32 chip_id)
Y
Yaniv Rosner 已提交
7847 7848 7849 7850 7851 7852 7853 7854 7855 7856 7857
{
	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);

7858
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
7859 7860
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
7861 7862 7863 7864 7865 7866 7867 7868 7869 7870
		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
7871
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7872
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
7873 7874 7875 7876 7877 7878 7879 7880 7881 7882 7883 7884 7885
				       port, &phy) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}

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


		/* Set fault module detected LED on */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Y
Yaniv Rosner 已提交
7886 7887
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
Y
Yaniv Rosner 已提交
7888 7889 7890 7891
	}

	return 0;
}
D
Dmitry Kravkov 已提交
7892 7893 7894 7895
static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
				     u32 shmem_base_path[],
				     u32 shmem2_base_path[], u8 phy_index,
				     u32 chip_id)
E
Eilon Greenstein 已提交
7896
{
Y
Yaniv Rosner 已提交
7897
	s8 port;
E
Eilon Greenstein 已提交
7898
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
7899 7900
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
7901
	s8 port_of_path;
Y
Yaniv Rosner 已提交
7902 7903
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
Eilon Greenstein 已提交
7904

Y
Yaniv Rosner 已提交
7905
	port = 1;
E
Eilon Greenstein 已提交
7906

Y
Yaniv Rosner 已提交
7907 7908 7909 7910 7911 7912
	bnx2x_ext_phy_hw_reset(bp, port ^ (swap_val && swap_override));

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

	msleep(5);
E
Eilon Greenstein 已提交
7913

E
Eilon Greenstein 已提交
7914
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
7915
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
7916 7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928
		u32 shmem_base, shmem2_base;

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

E
Eilon Greenstein 已提交
7929
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7930
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
7931
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
7932 7933 7934 7935
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
7936
		/* disable attentions */
D
Dmitry Kravkov 已提交
7937 7938 7939 7940 7941 7942
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
E
Eilon Greenstein 已提交
7943 7944 7945


		/* Reset the phy */
Y
Yaniv Rosner 已提交
7946
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
7947
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
Eilon Greenstein 已提交
7948 7949 7950 7951
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
7952 7953 7954 7955 7956 7957 7958
	if (phy[PORT_0].addr & 0x1) {
		phy_blk[PORT_0] = &(phy[PORT_1]);
		phy_blk[PORT_1] = &(phy[PORT_0]);
	} else {
		phy_blk[PORT_0] = &(phy[PORT_0]);
		phy_blk[PORT_1] = &(phy[PORT_1]);
	}
E
Eilon Greenstein 已提交
7959
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
7960
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Y
Yaniv Rosner 已提交
7961
		if (CHIP_IS_E2(bp))
D
Dmitry Kravkov 已提交
7962 7963 7964 7965 7966
			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);
7967 7968
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
E
Eilon Greenstein 已提交
7969 7970
			return -EINVAL;

7971
	}
E
Eilon Greenstein 已提交
7972 7973 7974
	return 0;
}

D
Dmitry Kravkov 已提交
7975 7976 7977
static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
				    u32 shmem2_base_path[], u8 phy_index,
				    u32 ext_phy_type, u32 chip_id)
Y
Yaniv Rosner 已提交
7978 7979 7980 7981 7982
{
	u8 rc = 0;

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
7983 7984 7985
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
7986
		break;
E
Eilon Greenstein 已提交
7987 7988 7989

	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
D
Dmitry Kravkov 已提交
7990 7991 7992
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
7993 7994
		break;

E
Eilon Greenstein 已提交
7995
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7996 7997 7998 7999
		/*
		 * GPIO1 affects both ports, so there's need to pull
		 * it for single port alone
		 */
D
Dmitry Kravkov 已提交
8000 8001 8002
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
8003 8004 8005
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
8006
		break;
Y
Yaniv Rosner 已提交
8007 8008
	default:
		DP(NETIF_MSG_LINK,
8009 8010
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
Yaniv Rosner 已提交
8011 8012 8013
		break;
	}

8014 8015 8016 8017
	if (rc != 0)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
Y
Yaniv Rosner 已提交
8018 8019 8020
	return rc;
}

D
Dmitry Kravkov 已提交
8021 8022
u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
			 u32 shmem2_base_path[], u32 chip_id)
Y
Yaniv Rosner 已提交
8023 8024
{
	u8 rc = 0;
8025
	u32 phy_ver;
Y
Yaniv Rosner 已提交
8026 8027 8028 8029 8030 8031 8032
	u8 phy_index;
	u32 ext_phy_type, ext_phy_config;
	DP(NETIF_MSG_LINK, "Begin common phy init\n");

	if (CHIP_REV_IS_EMUL(bp))
		return 0;

8033 8034 8035 8036 8037 8038 8039 8040 8041 8042
	/* Check if common init was already done */
	phy_ver = REG_RD(bp, shmem_base_path[0] +
			 offsetof(struct shmem_region,
				  port_mb[PORT_0].ext_phy_fw_version));
	if (phy_ver) {
		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
			       phy_ver);
		return 0;
	}

Y
Yaniv Rosner 已提交
8043 8044 8045 8046
	/* Read the ext_phy_type for arbitrary port(0) */
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
		ext_phy_config = bnx2x_get_ext_phy_config(bp,
D
Dmitry Kravkov 已提交
8047
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
8048 8049
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
8050 8051 8052 8053
		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, ext_phy_type,
						chip_id);
Y
Yaniv Rosner 已提交
8054 8055 8056
	}
	return rc;
}
8057

Y
Yaniv Rosner 已提交
8058
u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
8059 8060 8061 8062 8063
{
	u8 phy_index;
	struct bnx2x_phy phy;
	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
Y
Yaniv Rosner 已提交
8064
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
8065 8066 8067 8068 8069 8070 8071 8072 8073 8074 8075 8076 8077
				       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
Yaniv Rosner 已提交
8078
			     u32 shmem2_base,
8079 8080 8081 8082 8083 8084
			     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
8085
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
8086 8087 8088 8089 8090 8091 8092 8093 8094 8095 8096 8097 8098 8099 8100 8101 8102 8103 8104 8105 8106 8107 8108 8109
				       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;
		}
	}
}