bnx2x_link.c 228.0 KB
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/* Copyright 2008-2009 Broadcom Corporation
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 *
 * Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2, available
 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
 *
 * Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a
 * license other than the GPL, without Broadcom's express prior written
 * consent.
 *
 * Written by Yaniv Rosner
 *
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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

#include "bnx2x.h"

/********************************************************/
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#define ETH_HLEN			14
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#define ETH_OVREHEAD		(ETH_HLEN + 8 + 8)/* 16 for CRC + VLAN + LLC */
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#define ETH_MIN_PACKET_SIZE		60
#define ETH_MAX_PACKET_SIZE		1500
#define ETH_MAX_JUMBO_PACKET_SIZE	9600
#define MDIO_ACCESS_TIMEOUT		1000
#define BMAC_CONTROL_RX_ENABLE	2

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

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#define NIG_LATCH_BC_ENABLE_MI_INT 0

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

#define MDIO_AN_CL73_OR_37_COMPLETE \
		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)

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

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

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

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

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

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

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

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

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


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

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

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

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

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

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

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

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

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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");

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

void bnx2x_ets_bw_limit_common(const struct link_params *params)
{
	/* ETS disabled configuration */
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
	/**
	* defines which entries (clients) are subjected to WFQ arbitration
	* COS0 0x8
	* COS1 0x10
	*/
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
	/**
	* 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
	*/
	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);
	/**
	* 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, 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)) {
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_bw_limit: Total BW can't be zero\n");
		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");
	/**
	 * 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);
	/**
	 * 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);

	/**
	* 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
	*/
	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,
			   struct link_vars *vars)
{
	/* reset and unreset the emac core */
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val;
	u16 timeout;

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		   (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
	udelay(5);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
		   (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));

	/* init emac - use read-modify-write */
	/* self clear reset */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
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	do {
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		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
		if (!timeout) {
			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
			return;
		}
		timeout--;
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	} while (val & EMAC_MODE_RESET);
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	/* Set mac address */
	val = ((params->mac_addr[0] << 8) |
		params->mac_addr[1]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
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	val = ((params->mac_addr[2] << 24) |
	       (params->mac_addr[3] << 16) |
	       (params->mac_addr[4] << 8) |
		params->mac_addr[5]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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}

static u8 bnx2x_emac_enable(struct link_params *params,
			  struct link_vars *vars, u8 lb)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val;

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

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

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

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

		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4,
			    0);
	} else
	/* ASIC */
	if (vars->phy_flags & PHY_XGXS_FLAG) {
		u32 ser_lane = ((params->lane_config &
			    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
			    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

		DP(NETIF_MSG_LINK, "XGXS\n");
		/* select the master lanes (out of 0-3) */
		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 +
			   port*4, ser_lane);
		/* select XGXS */
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
			   port*4, 1);

	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "SerDes\n");
		/* select SerDes */
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
			   port*4, 0);
	}

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	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
		    EMAC_RX_MODE_RESET);
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
		    EMAC_TX_MODE_RESET);
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	if (CHIP_REV_IS_SLOW(bp)) {
		/* config GMII mode */
		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
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		EMAC_WR(bp, EMAC_REG_EMAC_MODE,
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			    (val | EMAC_MODE_PORT_GMII));
	} else { /* ASIC */
		/* pause enable/disable */
		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
			       EMAC_RX_MODE_FLOW_EN);

		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.
	*/
	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 */
		REG_WR(bp,
			   GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
			   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

		/* enable access for bmac registers */
		REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
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	} else
		REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
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	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}

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static void bnx2x_update_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;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL,
			wb_data, 2);
	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,
			wb_data, 2);

	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
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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;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL,
			wb_data, 2);
}

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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;
		}
	/* The number of free blocks below which the pause signal to class 0
	   of MAC #n is asserted. n=0,1 */
	REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
	/* The number of free blocks above which the pause signal to class 0
	   of MAC #n is de-asserted. n=0,1 */
	REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
	/* The number of free blocks below which the full signal to class 0
	   of MAC #n is asserted. n=0,1 */
	REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
	/* The number of free blocks above which the full signal to class 0
	   of MAC #n is de-asserted. n=0,1 */
	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;
		}
		/**
		 * The number of free blocks below which the pause signal to
		 * class 1 of MAC #n is asserted. n=0,1
		 **/
		REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
		/**
		 * The number of free blocks above which the pause signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
		 **/
		REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
		/**
		 * The number of free blocks below which the full signal to
		 * class 1 of MAC #n is asserted. n=0,1
		 **/
		REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
		/**
		 * The number of free blocks above which the full signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
		 **/
		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");

	/**
	 * 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);
	/**
	 * 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)
{
	/**
	 * 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)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
	u32 val;

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	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
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	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr +
		      BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		      wb_data, 2);

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

	/* mac control */
	val = 0x3;
	if (is_lb) {
		val |= 0x4;
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
		    wb_data, 2);

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

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	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;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE,
			wb_data, 2);

	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE,
		    wb_data, 2);

	/* configure safc */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
		    wb_data, 2);
	/* fix for emulation */
	if (CHIP_REV_IS_EMUL(bp)) {
		wb_data[0] = 0xf000;
		wb_data[1] = 0;
		REG_WR_DMAE(bp,
			    bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
			    wb_data, 2);
	}

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	return 0;
}

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

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

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

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

	udelay(30);

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

	udelay(30);

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

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

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

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static u8 bnx2x_bmac_enable(struct link_params *params,
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			    struct link_vars *vars,
			    u8 is_lb)
{
	u8 rc, port = params->port;
	struct bnx2x *bp = params->bp;
	u32 val;
	/* reset and unreset the BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1195
	msleep(1);
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	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

	/* enable access for bmac registers */
	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);

	/* Enable BMAC according to BMAC type*/
	if (CHIP_IS_E2(bp))
		rc = bnx2x_bmac2_enable(params, vars, is_lb);
	else
		rc = bnx2x_bmac1_enable(params, vars, is_lb);
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	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
	val = 0;
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	if ((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;
1231

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

static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
{
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
1243
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
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	/* Only if the bmac is out of reset */
	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
	    nig_bmac_enable) {

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

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

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

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

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

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

1302
	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
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	    line_speed == SPEED_10 ||
	    line_speed == SPEED_100 ||
	    line_speed == SPEED_1000 ||
	    line_speed == SPEED_2500) {
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
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		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
		/* update init credit */
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		init_crd = 778; 	/* (800-18-4) */
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	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
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		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
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		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
		/* update init credit */
		switch (line_speed) {
		case SPEED_10000:
			init_crd = thresh + 553 - 22;
			break;

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

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

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

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

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

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

}

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

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

	/* address */

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

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

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

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

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

	/* set clause 45 mode, slow down the MDIO clock to 2.5MHz
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
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	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
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			     EMAC_MDIO_MODE_CLOCK_CNT));
	val |= (EMAC_MDIO_MODE_CLAUSE_45 |
1471
		(49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
	REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	udelay(40);

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

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

		*ret_val = 0;
		rc = -EFAULT;

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

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

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

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

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

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

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

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

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

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

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

	val = XGXS_RESET_BITS << (port*16);

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

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

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void bnx2x_link_status_update(struct link_params *params,
			    struct link_vars   *vars)
{
	struct bnx2x *bp = params->bp;
	u8 link_10g;
	u8 port = params->port;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

		vars->phy_link_up = 0;

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

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

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


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

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

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

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

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

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

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

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

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
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Yaniv Rosner 已提交
1834 1835 1836 1837 1838 1839

	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

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

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

	if (rx_lane_swap != 0x1b) {
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		CL45_WR_OVER_CL22(bp, phy,
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1860 1861 1862 1863 1864 1865
				    MDIO_REG_BANK_XGXS_BLOCK2,
				    MDIO_XGXS_BLOCK2_RX_LN_SWAP,
				    (rx_lane_swap |
				    MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
				    MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
	} else {
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		CL45_WR_OVER_CL22(bp, phy,
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1867 1868 1869 1870 1871
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
	}

	if (tx_lane_swap != 0x1b) {
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		CL45_WR_OVER_CL22(bp, phy,
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1873 1874 1875 1876 1877
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				      (tx_lane_swap |
				       MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
	} else {
Y
Yaniv Rosner 已提交
1878
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1879 1880 1881 1882 1883
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
	}
}

Y
Yaniv Rosner 已提交
1884 1885
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
Yaniv Rosner 已提交
1886 1887 1888
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
Yaniv Rosner 已提交
1889
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1890 1891 1892
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      &control2);
1893
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
Yaniv Rosner 已提交
1894 1895 1896
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1897 1898
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
Y
Yaniv Rosner 已提交
1899
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1900 1901 1902 1903
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      control2);

Y
Yaniv Rosner 已提交
1904
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
1905
	     (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
1906
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
1907 1908
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
1909
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1910 1911 1912 1913
				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
1914
		CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1915 1916 1917 1918 1919 1920 1921 1922
				MDIO_REG_BANK_10G_PARALLEL_DETECT,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				&control2);


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
Yaniv Rosner 已提交
1923
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1924 1925 1926 1927 1928
				MDIO_REG_BANK_10G_PARALLEL_DETECT,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				control2);

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
1929
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1930 1931 1932 1933 1934 1935 1936
				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
1937 1938
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
1939 1940
			    struct link_vars *vars,
			    u8 enable_cl73)
Y
Yaniv Rosner 已提交
1941 1942 1943 1944 1945
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
Yaniv Rosner 已提交
1946
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1947 1948 1949 1950
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);

	/* CL37 Autoneg Enabled */
Y
Yaniv Rosner 已提交
1951
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
1952 1953 1954 1955 1956
		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
1957
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1958 1959 1960 1961 1962
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
1963
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1964 1965
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
1966 1967 1968
	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
1969
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
1970 1971 1972 1973
		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
1974
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1975 1976 1977 1978
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
1979
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1980 1981 1982
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  &reg_val);
Y
Yaniv Rosner 已提交
1983
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
1984 1985 1986 1987 1988 1989 1990 1991
		/* 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
1992
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1993 1994 1995 1996
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			      reg_val);

1997 1998
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
1999
		CL45_WR_OVER_CL22(bp, phy,
2000 2001
				      MDIO_REG_BANK_CL73_USERB0,
				    MDIO_CL73_USERB0_CL73_UCTRL,
Y
Yaniv Rosner 已提交
2002
				      0xe);
2003 2004

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
2005
		CL45_WR_OVER_CL22(bp, phy,
2006 2007 2008 2009 2010 2011
			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
2012
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
2013
		CL45_RD_OVER_CL22(bp, phy,
2014 2015 2016
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV2,
					      &reg_val);
2017
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2018 2019
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
2020
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2021 2022
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
2023

Y
Yaniv Rosner 已提交
2024
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2025 2026 2027
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV2,
				      reg_val);
2028 2029 2030 2031 2032 2033

		/* 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
2034

Y
Yaniv Rosner 已提交
2035
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2036 2037 2038 2039 2040
			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
2041 2042
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
2043
			       struct link_vars *vars)
Y
Yaniv Rosner 已提交
2044 2045 2046 2047
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

2048
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
2049
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2050 2051 2052
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
2053 2054
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
2055
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
2056
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
2057
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2058 2059 2060 2061 2062
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);

	/* program speed
	   - needed only if the speed is greater than 1G (2.5G or 10G) */
Y
Yaniv Rosner 已提交
2063
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2064 2065
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
2066 2067 2068 2069 2070 2071 2072 2073 2074 2075
	/* 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
2076 2077
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
2078
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
2079 2080
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
2081
		if (vars->line_speed == SPEED_13000)
Y
Yaniv Rosner 已提交
2082 2083
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Y
Yaniv Rosner 已提交
2084 2085
	}

Y
Yaniv Rosner 已提交
2086
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2087 2088
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
2089

Y
Yaniv Rosner 已提交
2090 2091
}

Y
Yaniv Rosner 已提交
2092 2093
static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params)
Y
Yaniv Rosner 已提交
2094 2095 2096 2097 2098 2099 2100
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
2101
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
2102
		val |= MDIO_OVER_1G_UP1_2_5G;
2103
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
2104
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
2105
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2106 2107 2108
			      MDIO_REG_BANK_OVER_1G,
			      MDIO_OVER_1G_UP1, val);

Y
Yaniv Rosner 已提交
2109
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2110
			      MDIO_REG_BANK_OVER_1G,
2111
			      MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
2112 2113
}

Y
Yaniv Rosner 已提交
2114 2115
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
Y
Yaniv Rosner 已提交
2116
{
2117
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2118
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
2119 2120 2121
	/* resolve pause mode and advertisement
	 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */

2122
	switch (phy->req_flow_ctrl) {
2123 2124
	case BNX2X_FLOW_CTRL_AUTO:
		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
Y
Yaniv Rosner 已提交
2125
			*ieee_fc |=
Y
Yaniv Rosner 已提交
2126 2127
			     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		} else {
Y
Yaniv Rosner 已提交
2128
			*ieee_fc |=
Y
Yaniv Rosner 已提交
2129 2130 2131
		       MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		}
		break;
2132
	case BNX2X_FLOW_CTRL_TX:
Y
Yaniv Rosner 已提交
2133
		*ieee_fc |=
Y
Yaniv Rosner 已提交
2134 2135 2136
		       MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

2137 2138
	case BNX2X_FLOW_CTRL_RX:
	case BNX2X_FLOW_CTRL_BOTH:
Y
Yaniv Rosner 已提交
2139
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
2140 2141
		break;

2142
	case BNX2X_FLOW_CTRL_NONE:
Y
Yaniv Rosner 已提交
2143
	default:
Y
Yaniv Rosner 已提交
2144
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Y
Yaniv Rosner 已提交
2145 2146
		break;
	}
2147
	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Y
Yaniv Rosner 已提交
2148
}
Y
Yaniv Rosner 已提交
2149

Y
Yaniv Rosner 已提交
2150 2151
static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params,
2152
					   u16 ieee_fc)
Y
Yaniv Rosner 已提交
2153 2154
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2155
	u16 val;
Y
Yaniv Rosner 已提交
2156
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
2157

Y
Yaniv Rosner 已提交
2158
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2159
			      MDIO_REG_BANK_COMBO_IEEE0,
2160
			      MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
2161
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2162 2163 2164 2165
			      MDIO_REG_BANK_CL73_IEEEB1,
			      MDIO_CL73_IEEEB1_AN_ADV1, &val);
	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Y
Yaniv Rosner 已提交
2166
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2167 2168
			      MDIO_REG_BANK_CL73_IEEEB1,
			      MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
2169 2170
}

Y
Yaniv Rosner 已提交
2171 2172 2173
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
2174 2175
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2176
	u16 mii_control;
2177

Y
Yaniv Rosner 已提交
2178
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
2179
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
2180

2181
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
2182
		CL45_RD_OVER_CL22(bp, phy,
2183 2184 2185 2186
				      MDIO_REG_BANK_CL73_IEEEB0,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				      &mii_control);

Y
Yaniv Rosner 已提交
2187
		CL45_WR_OVER_CL22(bp, phy,
2188 2189 2190 2191 2192 2193 2194
				MDIO_REG_BANK_CL73_IEEEB0,
				MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				(mii_control |
				MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
				MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
	} else {

Y
Yaniv Rosner 已提交
2195
		CL45_RD_OVER_CL22(bp, phy,
2196 2197 2198 2199 2200 2201
				      MDIO_REG_BANK_COMBO_IEEE0,
				      MDIO_COMBO_IEEE0_MII_CONTROL,
				      &mii_control);
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
2202
		CL45_WR_OVER_CL22(bp, phy,
2203 2204 2205 2206 2207 2208
				      MDIO_REG_BANK_COMBO_IEEE0,
				      MDIO_COMBO_IEEE0_MII_CONTROL,
				      (mii_control |
				       MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
				       MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
	}
Y
Yaniv Rosner 已提交
2209 2210
}

Y
Yaniv Rosner 已提交
2211 2212
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
2213
					 struct link_vars *vars)
Y
Yaniv Rosner 已提交
2214 2215 2216 2217 2218 2219
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
2220
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2221 2222 2223 2224 2225 2226 2227 2228
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
		      &control1);
	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
	/* set sgmii mode (and not fiber) */
	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Y
Yaniv Rosner 已提交
2229
	CL45_WR_OVER_CL22(bp, phy,
Y
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2230 2231 2232 2233 2234
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			      control1);

	/* if forced speed */
Y
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2235
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
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2236 2237 2238
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
2239
		CL45_RD_OVER_CL22(bp, phy,
Y
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2240 2241 2242 2243 2244 2245 2246
				      MDIO_REG_BANK_COMBO_IEEE0,
				      MDIO_COMBO_IEEE0_MII_CONTROL,
				      &mii_control);
		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);

Y
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2247
		switch (vars->line_speed) {
Y
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2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260
		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
2261 2262
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
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2263 2264 2265 2266
			break;
		}

		/* setting the full duplex */
2267
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
2268 2269
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
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2270
		CL45_WR_OVER_CL22(bp, phy,
Y
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2271 2272 2273 2274 2275 2276
				      MDIO_REG_BANK_COMBO_IEEE0,
				      MDIO_COMBO_IEEE0_MII_CONTROL,
				      mii_control);

	} else { /* AN mode */
		/* enable and restart AN */
Y
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2277
		bnx2x_restart_autoneg(phy, params, 0);
Y
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2278 2279 2280 2281 2282 2283 2284 2285 2286
	}
}


/*
 * link management
 */

static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Y
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2287 2288 2289
{						/*  LD	    LP	 */
	switch (pause_result) { 		/* ASYM P ASYM P */
	case 0xb:       			/*   1  0   1  1 */
2290
		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Y
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2291 2292
		break;

Y
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2293
	case 0xe:       			/*   1  1   1  0 */
2294
		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Y
Yaniv Rosner 已提交
2295 2296
		break;

Y
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2297 2298 2299 2300
	case 0x5:       			/*   0  1   0  1 */
	case 0x7:       			/*   0  1   1  1 */
	case 0xd:       			/*   1  1   0  1 */
	case 0xf:       			/*   1  1   1  1 */
2301
		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Y
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2302 2303 2304 2305 2306
		break;

	default:
		break;
	}
2307 2308 2309 2310
	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
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2311 2312
}

Y
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2313 2314
static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					    struct link_params *params)
2315 2316 2317
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
2318 2319
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
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2320
	CL45_RD_OVER_CL22(bp, phy,
2321 2322 2323
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			      &status2_1000x);
Y
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2324
	CL45_RD_OVER_CL22(bp, phy,
2325 2326 2327 2328 2329 2330 2331 2332 2333
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			      &status2_1000x);
	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}

Y
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2334
	CL45_RD_OVER_CL22(bp, phy,
2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345
			      MDIO_REG_BANK_10G_PARALLEL_DETECT,
			      MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			      &pd_10g);

	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}
	return 0;
}
Y
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2346

Y
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2347 2348 2349 2350
static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars,
				    u32 gp_status)
Y
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2351 2352
{
	struct bnx2x *bp = params->bp;
2353 2354
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
Y
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2355 2356
	u16 pause_result;

2357
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
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2358 2359

	/* resolve from gp_status in case of AN complete and not sgmii */
2360 2361 2362 2363 2364 2365
	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
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2366
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
2367 2368 2369
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
Y
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2370 2371 2372 2373 2374 2375
		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
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2376
			CL45_RD_OVER_CL22(bp, phy,
Y
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2377 2378 2379
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV1,
					      &ld_pause);
Y
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2380
			CL45_RD_OVER_CL22(bp, phy,
Y
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2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392
					     MDIO_REG_BANK_CL73_IEEEB1,
					     MDIO_CL73_IEEEB1_AN_LP_ADV1,
					     &lp_pause);
			pause_result = (ld_pause &
					MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
					>> 8;
			pause_result |= (lp_pause &
					MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
					>> 10;
			DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
				 pause_result);
		} else {
Y
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2393
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2394 2395 2396
					      MDIO_REG_BANK_COMBO_IEEE0,
					      MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
					      &ld_pause);
Y
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2397
			CL45_RD_OVER_CL22(bp, phy,
Y
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2398 2399 2400 2401
			       MDIO_REG_BANK_COMBO_IEEE0,
			       MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
			       &lp_pause);
			pause_result = (ld_pause &
Y
Yaniv Rosner 已提交
2402
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Y
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2403
			pause_result |= (lp_pause &
Y
Yaniv Rosner 已提交
2404
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Y
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2405 2406 2407
			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
				 pause_result);
		}
Y
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2408 2409 2410 2411 2412
		bnx2x_pause_resolve(vars, pause_result);
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
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2413 2414
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
2415 2416 2417 2418 2419
{
	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
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2420
	CL45_RD_OVER_CL22(bp, phy,
2421 2422 2423 2424 2425 2426 2427
			      MDIO_REG_BANK_RX0,
			      MDIO_RX0_RX_STATUS,
			      &rx_status);
	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
	    (MDIO_RX0_RX_STATUS_SIGDET)) {
		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
			     "rx_status(0x80b0) = 0x%x\n", rx_status);
Y
Yaniv Rosner 已提交
2428
		CL45_WR_OVER_CL22(bp, phy,
2429 2430 2431 2432 2433 2434
				      MDIO_REG_BANK_CL73_IEEEB0,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
2435
	CL45_RD_OVER_CL22(bp, phy,
2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449
			      MDIO_REG_BANK_CL73_USERB0,
			      MDIO_CL73_USERB0_CL73_USTAT1,
			      &ustat_val);
	if ((ustat_val &
	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
		return;
	}
	/* Step 3: Check CL37 Message Pages received to indicate LP
	supports only CL37 */
Y
Yaniv Rosner 已提交
2450
	CL45_RD_OVER_CL22(bp, phy,
2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467
			      MDIO_REG_BANK_REMOTE_PHY,
			      MDIO_REMOTE_PHY_MISC_RX_STATUS,
			      &cl37_fsm_recieved);
	if ((cl37_fsm_recieved &
	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
			     "misc_rx_status(0x8330) = 0x%x\n",
			 cl37_fsm_recieved);
		return;
	}
	/* The combined cl37/cl73 fsm state information indicating that we are
	connected to a device which does not support cl73, but does support
	cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
2468
	CL45_WR_OVER_CL22(bp, phy,
2469 2470 2471 2472
			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			      0);
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
2473
	bnx2x_restart_autoneg(phy, params, 0);
2474 2475
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490

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
2491 2492 2493
static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
				     struct link_params *params,
				     struct link_vars *vars)
Y
Yaniv Rosner 已提交
2494 2495
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2496
	u16 new_line_speed , gp_status;
Y
Yaniv Rosner 已提交
2497
	u8 rc = 0;
2498

Y
Yaniv Rosner 已提交
2499 2500 2501 2502 2503
	/* Read gp_status */
	CL45_RD_OVER_CL22(bp, phy,
				MDIO_REG_BANK_GP_STATUS,
				MDIO_GP_STATUS_TOP_AN_STATUS1,
				&gp_status);
2504

2505 2506
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Y
Yaniv Rosner 已提交
2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518
	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;

2519 2520 2521 2522 2523 2524
		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
2525 2526 2527

		switch (gp_status & GP_STATUS_SPEED_MASK) {
		case GP_STATUS_10M:
E
Eilon Greenstein 已提交
2528
			new_line_speed = SPEED_10;
Y
Yaniv Rosner 已提交
2529 2530 2531 2532 2533 2534 2535
			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
2536
			new_line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
2537 2538 2539 2540 2541 2542 2543 2544
			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
2545
			new_line_speed = SPEED_1000;
Y
Yaniv Rosner 已提交
2546 2547 2548 2549 2550 2551 2552
			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
2553
			new_line_speed = SPEED_2500;
Y
Yaniv Rosner 已提交
2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565
			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;
2566

Y
Yaniv Rosner 已提交
2567 2568 2569
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
E
Eilon Greenstein 已提交
2570
			new_line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
2571 2572 2573 2574
			vars->link_status |= LINK_10GTFD;
			break;

		case GP_STATUS_12G_HIG:
E
Eilon Greenstein 已提交
2575
			new_line_speed = SPEED_12000;
Y
Yaniv Rosner 已提交
2576 2577 2578 2579
			vars->link_status |= LINK_12GTFD;
			break;

		case GP_STATUS_12_5G:
E
Eilon Greenstein 已提交
2580
			new_line_speed = SPEED_12500;
Y
Yaniv Rosner 已提交
2581 2582 2583 2584
			vars->link_status |= LINK_12_5GTFD;
			break;

		case GP_STATUS_13G:
E
Eilon Greenstein 已提交
2585
			new_line_speed = SPEED_13000;
Y
Yaniv Rosner 已提交
2586 2587 2588 2589
			vars->link_status |= LINK_13GTFD;
			break;

		case GP_STATUS_15G:
E
Eilon Greenstein 已提交
2590
			new_line_speed = SPEED_15000;
Y
Yaniv Rosner 已提交
2591 2592 2593 2594
			vars->link_status |= LINK_15GTFD;
			break;

		case GP_STATUS_16G:
E
Eilon Greenstein 已提交
2595
			new_line_speed = SPEED_16000;
Y
Yaniv Rosner 已提交
2596 2597 2598 2599 2600 2601 2602
			vars->link_status |= LINK_16GTFD;
			break;

		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
				  gp_status);
2603
			return -EINVAL;
Y
Yaniv Rosner 已提交
2604 2605
		}

E
Eilon Greenstein 已提交
2606
		vars->line_speed = new_line_speed;
Y
Yaniv Rosner 已提交
2607 2608 2609 2610 2611

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

		vars->phy_link_up = 0;
2612

Y
Yaniv Rosner 已提交
2613
		vars->duplex = DUPLEX_FULL;
2614
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
2615
		vars->mac_type = MAC_TYPE_NONE;
2616

2617 2618
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
2619
			/* Check signal is detected */
2620
			bnx2x_check_fallback_to_cl37(phy, params);
2621
		}
Y
Yaniv Rosner 已提交
2622 2623
	}

2624
	DP(NETIF_MSG_LINK, "gp_status 0x%x  phy_link_up %x line_speed %x\n",
Y
Yaniv Rosner 已提交
2625
		 gp_status, vars->phy_link_up, vars->line_speed);
Y
Yaniv Rosner 已提交
2626 2627
	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
2628 2629 2630
	return rc;
}

E
Eilon Greenstein 已提交
2631
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
2632 2633
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2634
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
2635 2636
	u16 lp_up2;
	u16 tx_driver;
2637
	u16 bank;
Y
Yaniv Rosner 已提交
2638 2639

	/* read precomp */
Y
Yaniv Rosner 已提交
2640
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2641 2642 2643 2644 2645 2646 2647 2648
			      MDIO_REG_BANK_OVER_1G,
			      MDIO_OVER_1G_LP_UP2, &lp_up2);

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

2649 2650 2651 2652 2653
	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
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		CL45_RD_OVER_CL22(bp, phy,
2655 2656 2657 2658 2659 2660 2661 2662
				      bank,
				      MDIO_TX0_TX_DRIVER, &tx_driver);

		/* replace tx_driver bits [15:12] */
		if (lp_up2 !=
		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
			tx_driver |= lp_up2;
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2663
			CL45_WR_OVER_CL22(bp, phy,
2664 2665 2666
					      bank,
					      MDIO_TX0_TX_DRIVER, tx_driver);
		}
Y
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2667 2668 2669 2670
	}
}

static u8 bnx2x_emac_program(struct link_params *params,
Y
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2671
			     struct link_vars *vars)
Y
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2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u16 mode = 0;

	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
		     EMAC_REG_EMAC_MODE,
		     (EMAC_MODE_25G_MODE |
		     EMAC_MODE_PORT_MII_10M |
		     EMAC_MODE_HALF_DUPLEX));
Y
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2683
	switch (vars->line_speed) {
Y
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2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701
	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
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		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
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2704 2705 2706
		return -EINVAL;
	}

Y
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2707
	if (vars->duplex == DUPLEX_HALF)
Y
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2708 2709 2710 2711 2712
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
		    GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		    mode);

2713
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
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2714 2715 2716
	return 0;
}

Y
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2717 2718
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
2719
{
Y
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2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795

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

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

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

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

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

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

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

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

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

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

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

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

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

		bnx2x_initialize_sgmii_process(phy, params, vars);
	}
}

static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
			    struct link_params *params,
			    struct link_vars *vars)
{
	u8 rc;
	vars->phy_flags |= PHY_SGMII_FLAG;
Y
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2796
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
D
Dmitry Kravkov 已提交
2797
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
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2798 2799 2800 2801
	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
2802
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
Yaniv Rosner 已提交
2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826

	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
2827
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
Yaniv Rosner 已提交
2828 2829 2830 2831 2832 2833 2834
	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
2835
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
Yaniv Rosner 已提交
2836

Y
Yaniv Rosner 已提交
2837 2838 2839 2840 2841 2842
	/* setting the masterLn_def again after the reset */
	bnx2x_set_master_ln(params, phy);
	bnx2x_set_swap_lanes(params, phy);

	return rc;
}
2843

Y
Yaniv Rosner 已提交
2844 2845
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
				     struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
2846
{
Y
Yaniv Rosner 已提交
2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857
	u16 cnt, ctrl;
	/* Wait for soft reset to get cleared upto 1 sec */
	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
2858 2859
}

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

Y
Yaniv Rosner 已提交
2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903
	/* setting the status to report on link up
	   for either XGXS or SerDes */

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

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

	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
		 (params->switch_cfg == SWITCH_CFG_10G),
		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
E
Eilon Greenstein 已提交
2904 2905
}

Y
Yaniv Rosner 已提交
2906 2907
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
2908
{
Y
Yaniv Rosner 已提交
2909 2910 2911 2912 2913 2914
	u32 latch_status = 0;

	/**
	 * Disable the MI INT ( external phy int ) by writing 1 to the
	 * status register. Link down indication is high-active-signal,
	 * so in this case we need to write the status to clear the XOR
Y
Yaniv Rosner 已提交
2915 2916 2917
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
2918 2919
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
2920
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931
	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
2932
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
2933

Y
Yaniv Rosner 已提交
2934 2935
		/* For all latched-signal=up : Re-Arm Latch signals */
		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
2936
			     (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
2937
	}
Y
Yaniv Rosner 已提交
2938
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
2939 2940
}

Y
Yaniv Rosner 已提交
2941
static void bnx2x_link_int_ack(struct link_params *params,
Y
Yaniv Rosner 已提交
2942
			     struct link_vars *vars, u8 is_10g)
2943
{
Y
Yaniv Rosner 已提交
2944
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2945
	u8 port = params->port;
Y
Yaniv Rosner 已提交
2946

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

Y
Yaniv Rosner 已提交
2963 2964 2965 2966 2967 2968 2969 2970
		} else if (params->switch_cfg == SWITCH_CFG_10G) {
			/* Disable the link interrupt
			 * by writing 1 to the relevant lane
			 * in the status register
			 */
			u32 ser_lane = ((params->lane_config &
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2971

Y
Yaniv Rosner 已提交
2972 2973 2974 2975 2976 2977
			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
2978

Y
Yaniv Rosner 已提交
2979 2980 2981 2982 2983 2984 2985 2986 2987
		} else { /* SerDes */
			DP(NETIF_MSG_LINK, "SerDes phy link up\n");
			/* Disable the link interrupt
			 * by writing 1 to the status register
			 */
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_SERDES0_LINK_STATUS);
		}
Y
Yaniv Rosner 已提交
2988 2989 2990 2991

	}
}

Y
Yaniv Rosner 已提交
2992 2993 2994 2995 2996 2997
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
2998
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
2999 3000 3001
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
3002
		(*len)--;
Y
Yaniv Rosner 已提交
3003
		return -EINVAL;
Y
Yaniv Rosner 已提交
3004
	}
Y
Yaniv Rosner 已提交
3005
	while (shift > 0) {
Y
Yaniv Rosner 已提交
3006

Y
Yaniv Rosner 已提交
3007 3008
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
3009 3010 3011 3012
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
3013 3014 3015
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
3016
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
3017
		str_ptr++;
Y
Yaniv Rosner 已提交
3018
		(*len)--;
Y
Yaniv Rosner 已提交
3019 3020
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
3021
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
3022
			str_ptr++;
Y
Yaniv Rosner 已提交
3023 3024
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
3025 3026
		}
	}
Y
Yaniv Rosner 已提交
3027
	return 0;
Y
Yaniv Rosner 已提交
3028 3029
}

Y
Yaniv Rosner 已提交
3030

Y
Yaniv Rosner 已提交
3031
static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
3032
{
Y
Yaniv Rosner 已提交
3033 3034 3035 3036
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
3037

Y
Yaniv Rosner 已提交
3038 3039 3040 3041 3042 3043 3044
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
3045
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
3046 3047 3048
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
3049

Y
Yaniv Rosner 已提交
3050 3051 3052
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
3053

Y
Yaniv Rosner 已提交
3054
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
3055 3056
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075
							      &remain_len);
		ver_p += (len - remain_len);
	}
	if ((params->num_phys == MAX_PHYS) &&
	    (params->phy[EXT_PHY2].ver_addr != 0)) {
		spirom_ver = REG_RD(bp,
					  params->phy[EXT_PHY2].ver_addr);
		if (params->phy[EXT_PHY2].format_fw_ver) {
			*ver_p = '/';
			ver_p++;
			remain_len--;
			status |= params->phy[EXT_PHY2].format_fw_ver(
				spirom_ver,
				ver_p,
				&remain_len);
			ver_p = version + (len - remain_len);
		}
	}
	*ver_p = '\0';
Y
Yaniv Rosner 已提交
3076
	return status;
Y
Yaniv Rosner 已提交
3077
}
Y
Yaniv Rosner 已提交
3078

Y
Yaniv Rosner 已提交
3079 3080
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
3081
{
Y
Yaniv Rosner 已提交
3082
	u8 port = params->port;
E
Eilon Greenstein 已提交
3083 3084
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
3085 3086
	if (phy->req_line_speed != SPEED_1000) {
		u32 md_devad;
E
Eilon Greenstein 已提交
3087

Y
Yaniv Rosner 已提交
3088
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
3089

Y
Yaniv Rosner 已提交
3090 3091 3092
		/* change the uni_phy_addr in the nig */
		md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
					  port*0x18));
3093

Y
Yaniv Rosner 已提交
3094
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
E
Eilon Greenstein 已提交
3095

Y
Yaniv Rosner 已提交
3096 3097 3098 3099 3100
		bnx2x_cl45_write(bp, phy,
			       5,
			       (MDIO_REG_BANK_AER_BLOCK +
				(MDIO_AER_BLOCK_AER_REG & 0xf)),
			       0x2800);
E
Eilon Greenstein 已提交
3101

Y
Yaniv Rosner 已提交
3102 3103 3104 3105 3106 3107 3108
		bnx2x_cl45_write(bp, phy,
			       5,
			       (MDIO_REG_BANK_CL73_IEEEB0 +
				(MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
			       0x6041);
		msleep(200);
		/* set aer mmd back */
D
Dmitry Kravkov 已提交
3109
		bnx2x_set_aer_mmd_xgxs(params, phy);
E
Eilon Greenstein 已提交
3110

Y
Yaniv Rosner 已提交
3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127
		/* and md_devad */
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			    md_devad);

	} else {
		u16 mii_ctrl;
		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
		bnx2x_cl45_read(bp, phy, 5,
				(MDIO_REG_BANK_COMBO_IEEE0 +
				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				&mii_ctrl);
		bnx2x_cl45_write(bp, phy, 5,
				 (MDIO_REG_BANK_COMBO_IEEE0 +
				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				 mii_ctrl |
				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
	}
E
Eilon Greenstein 已提交
3128 3129
}

3130 3131
u8 bnx2x_set_led(struct link_params *params,
		 struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
3132
{
Y
Yaniv Rosner 已提交
3133 3134
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
3135
	u8 rc = 0, phy_idx;
Y
Yaniv Rosner 已提交
3136 3137
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
3138
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3139 3140 3141
	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
		 speed, hw_led_mode);
3142 3143 3144 3145 3146 3147 3148 3149
	/* In case */
	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].set_link_led) {
			params->phy[phy_idx].set_link_led(
				&params->phy[phy_idx], params, mode);
		}
	}

Y
Yaniv Rosner 已提交
3150
	switch (mode) {
3151
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
3152 3153 3154 3155
	case LED_MODE_OFF:
		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			   SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
3156

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

Y
Yaniv Rosner 已提交
3161
	case LED_MODE_OPER:
3162 3163 3164 3165 3166 3167 3168
		/**
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
		 **/
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
3169
		if (SINGLE_MEDIA_DIRECT(params)) {
3170 3171 3172 3173
			/**
			* This is a work-around for HW issue found when link
			* is up in CL73
			*/
Y
Yaniv Rosner 已提交
3174 3175 3176 3177 3178 3179
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
		} else {
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
				   hw_led_mode);
		}
E
Eilon Greenstein 已提交
3180

Y
Yaniv Rosner 已提交
3181 3182 3183 3184 3185 3186 3187 3188 3189 3190
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
			   port*4, 0);
		/* Set blinking rate to ~15.9Hz */
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			   LED_BLINK_RATE_VAL);
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
			   port*4, 1);
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED,
			    (tmp & (~EMAC_LED_OVERRIDE)));
E
Eilon Greenstein 已提交
3191

Y
Yaniv Rosner 已提交
3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
			/* On Everest 1 Ax chip versions for speeds less than
			10G LED scheme is different */
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
				   + port*4, 1);
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
				   port*4, 0);
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
				   port*4, 1);
		}
		break;
E
Eilon Greenstein 已提交
3207

Y
Yaniv Rosner 已提交
3208 3209 3210 3211 3212
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
3213
	}
Y
Yaniv Rosner 已提交
3214
	return rc;
E
Eilon Greenstein 已提交
3215

E
Eilon Greenstein 已提交
3216 3217
}

Y
Yaniv Rosner 已提交
3218 3219 3220 3221 3222 3223
/**
 * 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
3224 3225
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3226
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
3227 3228
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
E
Eilon Greenstein 已提交
3229

Y
Yaniv Rosner 已提交
3230 3231 3232 3233 3234
	CL45_RD_OVER_CL22(bp, &params->phy[INT_PHY],
			      MDIO_REG_BANK_GP_STATUS,
			      MDIO_GP_STATUS_TOP_AN_STATUS1,
			      &gp_status);
	/* link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247
	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
3248 3249
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
3250 3251 3252 3253 3254 3255 3256 3257 3258
			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
3259 3260 3261
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
3262
			}
Y
Yaniv Rosner 已提交
3263
		}
Y
Yaniv Rosner 已提交
3264
		break;
E
Eilon Greenstein 已提交
3265
	}
Y
Yaniv Rosner 已提交
3266 3267
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
3268 3269
	return -ESRCH;
}
E
Eilon Greenstein 已提交
3270

Y
Yaniv Rosner 已提交
3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283
static u8 bnx2x_link_initialize(struct link_params *params,
				struct link_vars *vars)
{
	u8 rc = 0;
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
	/**
	* In case of external phy existence, the line speed would be the
	* line speed linked up by the external phy. In case it is direct
	* only, then the line_speed during initialization will be
	* equal to the req_line_speed
	*/
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
3284

Y
Yaniv Rosner 已提交
3285 3286 3287 3288 3289
	/**
	 * 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
3290

Y
Yaniv Rosner 已提交
3291 3292 3293 3294
	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
3295

Y
Yaniv Rosner 已提交
3296 3297 3298
	/* 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
3299

Y
Yaniv Rosner 已提交
3300 3301 3302 3303 3304 3305 3306
	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
3307 3308
	}

Y
Yaniv Rosner 已提交
3309 3310 3311 3312
	/* Init external phy*/
	if (!non_ext_phy)
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325
			/**
			 * No need to initialize second phy in case of first
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
			 **/
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
				DP(NETIF_MSG_LINK, "Not initializing"
						   "second phy\n");
				continue;
			}
Y
Yaniv Rosner 已提交
3326 3327 3328 3329
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
E
Eilon Greenstein 已提交
3330

Y
Yaniv Rosner 已提交
3331 3332 3333 3334 3335 3336 3337 3338 3339
	/* 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
3340

Y
Yaniv Rosner 已提交
3341 3342 3343 3344 3345 3346 3347
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
	REG_WR(params->bp, GRCBASE_MISC +
		     MISC_REGISTERS_RESET_REG_3_CLEAR,
		     (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
3348 3349
}

Y
Yaniv Rosner 已提交
3350 3351
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
3352
{
Y
Yaniv Rosner 已提交
3353 3354 3355
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
3356 3357 3358 3359
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
3360 3361 3362 3363 3364 3365 3366
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
3367
}
E
Eilon Greenstein 已提交
3368

Y
Yaniv Rosner 已提交
3369 3370
static u8 bnx2x_update_link_down(struct link_params *params,
			       struct link_vars *vars)
E
Eilon Greenstein 已提交
3371 3372
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3373
	u8 port = params->port;
E
Eilon Greenstein 已提交
3374

Y
Yaniv Rosner 已提交
3375
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
3376
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
E
Eilon Greenstein 已提交
3377

Y
Yaniv Rosner 已提交
3378 3379
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
3380

Y
Yaniv Rosner 已提交
3381 3382 3383 3384
	/* update shared memory */
	vars->link_status = 0;
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
3385

Y
Yaniv Rosner 已提交
3386 3387
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
3388

Y
Yaniv Rosner 已提交
3389 3390 3391 3392 3393 3394 3395 3396 3397 3398
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	msleep(10);

	/* reset BigMac */
	bnx2x_bmac_rx_disable(bp, params->port);
	REG_WR(bp, GRCBASE_MISC +
		   MISC_REGISTERS_RESET_REG_2_CLEAR,
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
E
Eilon Greenstein 已提交
3399 3400
	return 0;
}
Y
Yaniv Rosner 已提交
3401 3402 3403 3404

static u8 bnx2x_update_link_up(struct link_params *params,
			     struct link_vars *vars,
			     u8 link_10g)
E
Eilon Greenstein 已提交
3405 3406
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3407 3408
	u8 port = params->port;
	u8 rc = 0;
E
Eilon Greenstein 已提交
3409

Y
Yaniv Rosner 已提交
3410
	vars->link_status |= LINK_STATUS_LINK_UP;
3411

Y
Yaniv Rosner 已提交
3412 3413 3414
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
3415

Y
Yaniv Rosner 已提交
3416 3417 3418
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
3419

Y
Yaniv Rosner 已提交
3420 3421
	if (link_10g) {
		bnx2x_bmac_enable(params, vars, 0);
3422 3423
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, SPEED_10000);
Y
Yaniv Rosner 已提交
3424 3425
	} else {
		rc = bnx2x_emac_program(params, vars);
3426

Y
Yaniv Rosner 已提交
3427
		bnx2x_emac_enable(params, vars, 0);
3428

Y
Yaniv Rosner 已提交
3429 3430 3431 3432 3433 3434
		/* 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);
	}
3435

Y
Yaniv Rosner 已提交
3436
	/* PBF - link up */
D
Dmitry Kravkov 已提交
3437 3438 3439
	if (!(CHIP_IS_E2(bp)))
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
3440

Y
Yaniv Rosner 已提交
3441 3442
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
3443

Y
Yaniv Rosner 已提交
3444 3445 3446 3447
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
3448
}
Y
Yaniv Rosner 已提交
3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462
/**
 * 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
3463
{
Y
Yaniv Rosner 已提交
3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481
	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
3482

Y
Yaniv Rosner 已提交
3483 3484 3485
	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
3486

Y
Yaniv Rosner 已提交
3487 3488 3489 3490 3491 3492 3493
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
				    port*0x18) > 0);
	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 is_mi_int,
		 REG_RD(bp,
			    NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
3494

Y
Yaniv Rosner 已提交
3495 3496 3497
	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
3498

Y
Yaniv Rosner 已提交
3499 3500
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
3501

Y
Yaniv Rosner 已提交
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	/**
	* Step 1:
	* Check external link change only for external phys, and apply
	* priority selection between them in case the link on both phys
	* is up. Note that the instead of the common vars, a temporary
	* vars argument is used since each phy may have different link/
	* speed/duplex result
	*/
	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		struct bnx2x_phy *phy = &params->phy[phy_index];
		if (!phy->read_status)
			continue;
		/* Read link status and params of this ext phy */
		cur_link_up = phy->read_status(phy, params,
					       &phy_vars[phy_index]);
		if (cur_link_up) {
			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
				   phy_index);
		} else {
			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
				   phy_index);
			continue;
		}
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		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
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		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
			/**
			 * In this option, the first PHY makes sure to pass the
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
			 **/
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
			/**
			 * In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
			 **/
				active_external_phy = EXT_PHY2;
				break;
			default:
			/**
			 * Link indication on both PHYs with the following cases
			 * is invalid:
			 * - FIRST_PHY means that second phy wasn't initialized,
			 * hence its link is expected to be down
			 * - SECOND_PHY means that first phy should not be able
			 * to link up by itself (using configuration)
			 * - DEFAULT should be overriden during initialiazation
			 **/
				DP(NETIF_MSG_LINK, "Invalid link indication"
					   "mpc=0x%x. DISABLING LINK !!!\n",
					   params->multi_phy_config);
				ext_phy_link_up = 0;
				break;
			}
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		}
	}
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	prev_line_speed = vars->line_speed;
	/**
	* Step 2:
	* Read the status of the internal phy. In case of
	* DIRECT_SINGLE_MEDIA board, this link is the external link,
	* otherwise this is the link between the 577xx and the first
	* external phy
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	*/
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	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
	/**
	 * The INT_PHY flow control reside in the vars. This include the
	 * case where the speed or flow control are not set to AUTO.
	 * Otherwise, the active external phy flow control result is set
	 * to the vars. The ext_phy_line_speed is needed to check if the
	 * speed is different between the internal phy and external phy.
	 * This case may be result of intermediate link speed change.
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	 */
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	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
		/**
		 * Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
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		 */
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		vars->link_status |= phy_vars[active_external_phy].link_status;
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3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607

		/**
		 * 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);
			}
		}

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		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);
	}
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	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;
		}
	}
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	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
		   vars->link_status, ext_phy_line_speed);
	/**
	 * Upon link speed change set the NIG into drain mode. Comes to
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
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	if (vars->phy_link_up) {
		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
		    (ext_phy_line_speed != vars->line_speed)) {
			DP(NETIF_MSG_LINK, "Internal link speed %d is"
				   " different than the external"
				   " link speed %d\n", vars->line_speed,
				   ext_phy_line_speed);
			vars->phy_link_up = 0;
		} else if (prev_line_speed != vars->line_speed) {
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
				     + params->port*4, 0);
			msleep(1);
		}
	}
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	/* anything 10 and over uses the bmac */
	link_10g = ((vars->line_speed == SPEED_10000) ||
		    (vars->line_speed == SPEED_12000) ||
		    (vars->line_speed == SPEED_12500) ||
		    (vars->line_speed == SPEED_13000) ||
		    (vars->line_speed == SPEED_15000) ||
		    (vars->line_speed == SPEED_16000));
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	bnx2x_link_int_ack(params, vars, link_10g);
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	/**
	* In case external phy link is up, and internal link is down
	* (not initialized yet probably after link initialization, it
	* needs to be initialized.
	* Note that after link down-up as result of cable plug, the xgxs
	* link would probably become up again without the need
	* initialize it
	*/
	if (!(SINGLE_MEDIA_DIRECT(params))) {
		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
			   " init_preceding = %d\n", ext_phy_link_up,
			   vars->phy_link_up,
			   params->phy[EXT_PHY1].flags &
			   FLAGS_INIT_XGXS_FIRST);
		if (!(params->phy[EXT_PHY1].flags &
		      FLAGS_INIT_XGXS_FIRST)
		    && ext_phy_link_up && !vars->phy_link_up) {
			vars->line_speed = ext_phy_line_speed;
			if (vars->line_speed < SPEED_1000)
				vars->phy_flags |= PHY_SGMII_FLAG;
			else
				vars->phy_flags &= ~PHY_SGMII_FLAG;
			bnx2x_init_internal_phy(&params->phy[INT_PHY],
						params,
						vars);
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		}
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	}
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	/**
	 *  Link is up only if both local phy and external phy (in case of
	 *  non-direct board) are up
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	 */
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	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
			  SINGLE_MEDIA_DIRECT(params)));

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


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

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

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2, &fw_ver2);
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
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}
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static void bnx2x_ext_phy_set_pause(struct link_params *params,
				    struct bnx2x_phy *phy,
				    struct link_vars *vars)
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{
	u16 val;
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	struct bnx2x *bp = params->bp;
	/* read modify write pause advertizing */
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
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	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
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	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		val |=  MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
	}
	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}

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

	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	/* Disable PLL sequencer (use read-modify-write to clear bit 13) */
	bnx2x_cl45_read(bp, phy,
3915
			MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
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	val &= ~(1<<13);
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3917
	bnx2x_cl45_write(bp, phy,
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3918 3919 3920
		       MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);

	/* PLL controls */
3921 3922 3923 3924 3925
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805E, 0x1077);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805D, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805C, 0x030B);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805B, 0x1240);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805A, 0x2490);
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	/* Tx Controls */
3928 3929 3930
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A7, 0x0C74);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A6, 0x9041);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A5, 0x4640);
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	/* Rx Controls */
3933 3934 3935
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FE, 0x01C4);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FD, 0x9249);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FC, 0x2015);
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3936 3937

	/* Enable PLL sequencer  (use read-modify-write to set bit 13) */
3938
	bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
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	val |= (1<<13);
3940
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
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3941
}
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3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037
/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
{
	/* This is only required for 8073A1, version 102 only */
	u16 val;

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

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

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

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

	return 1;
}

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

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

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

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

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

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

Y
Yaniv Rosner 已提交
4038
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
4039 4040
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
4041
{
Y
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4042
	u16 cl37_val;
Y
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4043 4044
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
4045
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
4046 4047 4048

	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
4049
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
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4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067
	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
4068
	bnx2x_cl45_write(bp, phy,
4069
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
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4070
	msleep(500);
Y
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4071 4072
}

Y
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4073 4074 4075
static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
4076
{
Y
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4077
	struct bnx2x *bp = params->bp;
Y
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4078 4079 4080
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
4081

D
Dmitry Kravkov 已提交
4082 4083 4084 4085
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
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4086 4087 4088
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4089

Y
Yaniv Rosner 已提交
4090 4091
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4092

Y
Yaniv Rosner 已提交
4093 4094 4095 4096 4097
	/* 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);
4098

Y
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4099
	bnx2x_8073_set_pause_cl37(params, phy, vars);
4100

Y
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4101
	bnx2x_8073_set_xaui_low_power_mode(bp, phy);
Y
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4102 4103

	bnx2x_cl45_read(bp, phy,
Y
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4104
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4105

Y
Yaniv Rosner 已提交
4106 4107
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4108

Y
Yaniv Rosner 已提交
4109
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4110

4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129
	/**
	 * If this is forced speed, set to KR or KX (all other are not
	 * supported)
	 */
	/* 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
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4130
	/* Enable CL37 BAM */
4131 4132 4133 4134
	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) {
4135

4136 4137 4138 4139 4140 4141 4142 4143
		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
4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165
	if (params->loopback_mode == LOOPBACK_EXT) {
		bnx2x_807x_force_10G(bp, phy);
		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
		return 0;
	} else {
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
	}
	if (phy->req_line_speed != SPEED_AUTO_NEG) {
		if (phy->req_line_speed == SPEED_10000) {
			val = (1<<7);
		} else if (phy->req_line_speed ==  SPEED_2500) {
			val = (1<<5);
			/* Note that 2.5G works only
			when used with 1G advertisment */
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
4166

Y
Yaniv Rosner 已提交
4167 4168 4169 4170 4171 4172 4173 4174
		/* Note that 2.5G works only when
		used with 1G advertisment */
		if (phy->speed_cap_mask &
			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
			val |= (1<<5);
		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
	}
4175

Y
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4176 4177
	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);
4178

Y
Yaniv Rosner 已提交
4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195
	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;
	}
4196

Y
Yaniv Rosner 已提交
4197 4198
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
4199

Y
Yaniv Rosner 已提交
4200 4201 4202 4203
	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)));
4204

Y
Yaniv Rosner 已提交
4205 4206
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4207

Y
Yaniv Rosner 已提交
4208 4209 4210 4211 4212 4213 4214
	/* The SNR will improve about 2db by changing
	BW and FEE main tap. Rest commands are executed
	after link is up*/
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
4215

Y
Yaniv Rosner 已提交
4216 4217 4218 4219
	/* 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);
4220

Y
Yaniv Rosner 已提交
4221
	bnx2x_ext_phy_set_pause(params, phy, vars);
4222

Y
Yaniv Rosner 已提交
4223 4224 4225 4226 4227 4228
	/* 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
4229
}
Y
Yaniv Rosner 已提交
4230

Y
Yaniv Rosner 已提交
4231
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4232 4233 4234 4235
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4236 4237 4238 4239
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
4240

Y
Yaniv Rosner 已提交
4241 4242
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
Y
Yaniv Rosner 已提交
4243

Y
Yaniv Rosner 已提交
4244
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
4245

Y
Yaniv Rosner 已提交
4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277
	/* 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;
4278
	}
Y
Yaniv Rosner 已提交
4279 4280 4281 4282
	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);
4283

Y
Yaniv Rosner 已提交
4284 4285 4286 4287 4288 4289 4290
	/* 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);
4291

Y
Yaniv Rosner 已提交
4292 4293 4294 4295 4296 4297 4298 4299
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
		/* The SNR will improve about 2dbby
		changing the BW and FEE main tap.*/
		/* The 1st write to change FFE main
		tap is set before restart AN */
		/* Change PLL Bandwidth in EDC
		register */
4300
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4301 4302
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
4303

Y
Yaniv Rosner 已提交
4304
		/* Change CDR Bandwidth in EDC register */
4305
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4306 4307 4308 4309 4310 4311
				 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);
4312

Y
Yaniv Rosner 已提交
4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332
	/* 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);
4333
	}
Y
Yaniv Rosner 已提交
4334 4335

	if (link_up) {
4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358
		/* 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);
			/**
			* Set bit 3 to invert Rx in 1G mode and clear this bit
			* when it`s in 10G mode.
			*/
			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
4359 4360 4361 4362
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
	}
	return link_up;
Y
Yaniv Rosner 已提交
4363 4364
}

Y
Yaniv Rosner 已提交
4365 4366 4367 4368 4369
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
4370 4371 4372 4373
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384
	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
	   gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4385 4386 4387 4388
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4389
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
4390 4391 4392
	/* 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
4393 4394 4395
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Y
Yaniv Rosner 已提交
4396 4397
	bnx2x_wait_reset_complete(bp, phy);

Y
Yaniv Rosner 已提交
4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409
	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
4410

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

Y
Yaniv Rosner 已提交
4423 4424 4425
	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);
4426

Y
Yaniv Rosner 已提交
4427 4428
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
4429

Y
Yaniv Rosner 已提交
4430 4431 4432 4433
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
4434

Y
Yaniv Rosner 已提交
4435 4436 4437 4438 4439
	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);
4440
	}
Y
Yaniv Rosner 已提交
4441 4442
	return link_up;
}
4443

Y
Yaniv Rosner 已提交
4444 4445 4446 4447 4448 4449 4450 4451 4452
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
static void bnx2x_sfp_set_transmitter(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port,
				      u8 tx_en)
{
	u16 val;
4453

Y
Yaniv Rosner 已提交
4454 4455 4456 4457 4458 4459 4460
	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);
4461

Y
Yaniv Rosner 已提交
4462 4463 4464 4465
	if (tx_en)
		val &= ~(1<<15);
	else
		val |= (1<<15);
Y
Yaniv Rosner 已提交
4466

Y
Yaniv Rosner 已提交
4467 4468 4469 4470
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       val);
Y
Yaniv Rosner 已提交
4471 4472
}

Y
Yaniv Rosner 已提交
4473 4474 4475
static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
					  u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
4476 4477
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4478 4479 4480 4481 4482 4483 4484 4485
	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 */
4486
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4487 4488
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
		       (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
4489

Y
Yaniv Rosner 已提交
4490 4491 4492 4493
	/* Set the read command address */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
		       addr);
Y
Yaniv Rosner 已提交
4494

Y
Yaniv Rosner 已提交
4495
	/* Activate read command */
4496
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4497 4498
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		       0x2c0f);
Y
Yaniv Rosner 已提交
4499

Y
Yaniv Rosner 已提交
4500 4501 4502 4503 4504 4505 4506 4507 4508
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
4509 4510
	}

Y
Yaniv Rosner 已提交
4511 4512 4513 4514 4515 4516
	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;
4517
	}
Y
Yaniv Rosner 已提交
4518

Y
Yaniv Rosner 已提交
4519 4520
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
4521
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4522 4523 4524
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
4525
	}
Y
Yaniv Rosner 已提交
4526

Y
Yaniv Rosner 已提交
4527 4528 4529 4530 4531 4532
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
4533
			return 0;
Y
Yaniv Rosner 已提交
4534 4535 4536
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
4537
}
E
Eilon Greenstein 已提交
4538

Y
Yaniv Rosner 已提交
4539 4540 4541
static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
					  u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
4542 4543
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4544
	u16 val, i;
Y
Yaniv Rosner 已提交
4545

Y
Yaniv Rosner 已提交
4546 4547 4548 4549 4550
	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
4551

Y
Yaniv Rosner 已提交
4552 4553 4554 4555 4556
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		      &val);
E
Eilon Greenstein 已提交
4557

Y
Yaniv Rosner 已提交
4558
	/* Set the read command byte count */
4559
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4560 4561 4562
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
		       ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
4563

Y
Yaniv Rosner 已提交
4564
	/* Set the read command address */
4565
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4566 4567 4568 4569
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
		       addr);
	/* Set the destination address */
4570
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4571 4572 4573
		       MDIO_PMA_DEVAD,
		       0x8004,
		       MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
4574

Y
Yaniv Rosner 已提交
4575
	/* Activate read command */
4576
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4577 4578 4579 4580 4581 4582
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		       0x8002);
	/* Wait appropriate time for two-wire command to finish before
	polling the status register */
	msleep(1);
E
Eilon Greenstein 已提交
4583

Y
Yaniv Rosner 已提交
4584 4585
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
4586
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4587 4588 4589 4590 4591 4592
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
4593
	}
E
Eilon Greenstein 已提交
4594

Y
Yaniv Rosner 已提交
4595 4596 4597 4598 4599 4600 4601
	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;
	}
4602

Y
Yaniv Rosner 已提交
4603 4604 4605 4606 4607 4608 4609
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
4610

Y
Yaniv Rosner 已提交
4611 4612 4613 4614 4615 4616
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
4617
			return 0;
Y
Yaniv Rosner 已提交
4618
		msleep(1);
4619 4620
	}

Y
Yaniv Rosner 已提交
4621
	return -EINVAL;
Y
Yaniv Rosner 已提交
4622 4623
}

4624 4625 4626
static u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
				       struct link_params *params, u16 addr,
				       u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
4627
{
Y
Yaniv Rosner 已提交
4628 4629 4630 4631 4632 4633 4634
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	return -EINVAL;
Y
Yaniv Rosner 已提交
4635 4636
}

Y
Yaniv Rosner 已提交
4637 4638 4639
static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			     struct link_params *params,
				  u16 *edc_mode)
Y
Yaniv Rosner 已提交
4640 4641
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4642 4643
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
4644

Y
Yaniv Rosner 已提交
4645 4646 4647 4648 4649 4650 4651 4652 4653
	/* 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;
	}
4654

Y
Yaniv Rosner 已提交
4655 4656 4657 4658
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
4659

Y
Yaniv Rosner 已提交
4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672
		/* Check if its active cable( includes SFP+ module)
		of passive cable*/
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
					       &copper_module_type) !=
		    0) {
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
4673

Y
Yaniv Rosner 已提交
4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689
		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;
4690
	}
Y
Yaniv Rosner 已提交
4691 4692 4693 4694 4695 4696 4697 4698
	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;
4699
	}
4700

Y
Yaniv Rosner 已提交
4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715
	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;
4716
	}
Y
Yaniv Rosner 已提交
4717
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4718
	return 0;
Y
Yaniv Rosner 已提交
4719
}
Y
Yaniv Rosner 已提交
4720 4721 4722 4723
/* This function read the relevant field from the module ( SFP+ ),
	and verify it is compliant with this board */
static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
4724 4725
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4726 4727
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
4728 4729
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
4730
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4731 4732 4733 4734 4735 4736 4737 4738
	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
4739

Y
Yaniv Rosner 已提交
4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754
	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
4755
		DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Y
Yaniv Rosner 已提交
4756
			  "verification\n");
Y
Yaniv Rosner 已提交
4757 4758
		return -EINVAL;
	}
4759

Y
Yaniv Rosner 已提交
4760 4761
	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
4762 4763 4764 4765
	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
4766

Y
Yaniv Rosner 已提交
4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
				       SFP_EEPROM_VENDOR_NAME_ADDR,
				       SFP_EEPROM_VENDOR_NAME_SIZE,
				       (u8 *)vendor_name))
		vendor_name[0] = '\0';
	else
		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
				       SFP_EEPROM_PART_NO_ADDR,
				       SFP_EEPROM_PART_NO_SIZE,
				       (u8 *)vendor_pn))
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

	netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected,"
			     " Port %d from %s part number %s\n",
		    params->port, vendor_name, vendor_pn);
Y
Yaniv Rosner 已提交
4788
	phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4789
	return -EINVAL;
Y
Yaniv Rosner 已提交
4790
}
4791

Y
Yaniv Rosner 已提交
4792 4793
static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						struct link_params *params)
4794

E
Eilon Greenstein 已提交
4795
{
Y
Yaniv Rosner 已提交
4796
	u8 val;
E
Eilon Greenstein 已提交
4797
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811
	u16 timeout;
	/* Initialization time after hot-plug may take up to 300ms for some
	phys type ( e.g. JDSU ) */
	for (timeout = 0; timeout < 60; timeout++) {
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
			DP(NETIF_MSG_LINK, "SFP+ module initialization "
				     "took %d ms\n", timeout * 5);
			return 0;
		}
		msleep(5);
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
4812

Y
Yaniv Rosner 已提交
4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826
static void bnx2x_8727_power_module(struct bnx2x *bp,
				    struct bnx2x_phy *phy,
				    u8 is_power_up) {
	/* Make sure GPIOs are not using for LED mode */
	u16 val;
	/*
	 * In the GPIO register, bit 4 is use to detemine if the GPIOs are
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
	 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
	 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
	*/
E
Eilon Greenstein 已提交
4827

Y
Yaniv Rosner 已提交
4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842
	/*
	 * 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
4843

Y
Yaniv Rosner 已提交
4844 4845 4846 4847 4848
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
4849

Y
Yaniv Rosner 已提交
4850 4851 4852 4853 4854
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
4855

Y
Yaniv Rosner 已提交
4856 4857 4858 4859 4860 4861 4862 4863 4864 4865
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2,
		      &cur_limiting_mode);
	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
		 cur_limiting_mode);

	if (edc_mode == EDC_MODE_LIMITING) {
		DP(NETIF_MSG_LINK,
			 "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
4866
		bnx2x_cl45_write(bp, phy,
4867
				 MDIO_PMA_DEVAD,
Y
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4868 4869 4870
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
4871

Y
Yaniv Rosner 已提交
4872
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
4873

Y
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4874 4875 4876 4877 4878
		/* Changing to LRM mode takes quite few seconds.
		So do it only if current mode is limiting
		( default is LRM )*/
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
4879

Y
Yaniv Rosner 已提交
4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_ROM_VER2,
			       0x128);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_MISC_CTRL0,
			       0x4008);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0xaaaa);
E
Eilon Greenstein 已提交
4896
	}
Y
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4897
	return 0;
E
Eilon Greenstein 已提交
4898 4899
}

Y
Yaniv Rosner 已提交
4900 4901 4902
static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
					u16 edc_mode)
Y
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4903
{
Y
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4904 4905
	u16 phy_identifier;
	u16 rom_ver2_val;
4906
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4907 4908 4909
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       &phy_identifier);
Y
Yaniv Rosner 已提交
4910

Y
Yaniv Rosner 已提交
4911 4912 4913 4914
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
4915

4916
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4917 4918 4919 4920 4921 4922 4923 4924
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2,
		      &rom_ver2_val);
	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_ROM_VER2,
		       (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
4925

Y
Yaniv Rosner 已提交
4926 4927 4928 4929
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
4930

Y
Yaniv Rosner 已提交
4931
	return 0;
Y
Yaniv Rosner 已提交
4932
}
Y
Yaniv Rosner 已提交
4933

Y
Yaniv Rosner 已提交
4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954
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
4955 4956
static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
4957 4958
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4959 4960
	u16 edc_mode;
	u8 rc = 0;
Y
Yaniv Rosner 已提交
4961

Y
Yaniv Rosner 已提交
4962 4963 4964
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
4965

Y
Yaniv Rosner 已提交
4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);

	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
		return -EINVAL;
	} else if (bnx2x_verify_sfp_module(phy, params) !=
		   0) {
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				  MISC_REGISTERS_GPIO_HIGH,
				  params->port);
		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
		    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
			/* Shutdown SFP+ module */
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
			bnx2x_8727_power_module(bp, phy, 0);
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
		DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
					  MISC_REGISTERS_GPIO_LOW,
					  params->port);
4995
	}
Y
Yaniv Rosner 已提交
4996

Y
Yaniv Rosner 已提交
4997 4998 4999
	/* power up the SFP module */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		bnx2x_8727_power_module(bp, phy, 1);
5000

Y
Yaniv Rosner 已提交
5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016
	/* Check and set limiting mode / LRM mode on 8726.
	On 8727 it is done automatically */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
	else
		bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
	/*
	 * Enable transmit for this module if the module is approved, or
	 * if unapproved modules should also enable the Tx laser
	 */
	if (rc == 0 ||
	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
	else
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Y
Yaniv Rosner 已提交
5017

Y
Yaniv Rosner 已提交
5018 5019 5020 5021
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
5022 5023
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5024 5025 5026
	struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
	u32 gpio_val;
	u8 port = params->port;
E
Eilon Greenstein 已提交
5027

Y
Yaniv Rosner 已提交
5028 5029 5030 5031
	/* 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
5032

Y
Yaniv Rosner 已提交
5033 5034
	/* Get current gpio val refelecting module plugged in / out*/
	gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5035

Y
Yaniv Rosner 已提交
5036 5037
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
E
Eilon Greenstein 已提交
5038

Y
Yaniv Rosner 已提交
5039 5040 5041
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   port);
E
Eilon Greenstein 已提交
5042

Y
Yaniv Rosner 已提交
5043 5044 5045 5046 5047 5048 5049 5050 5051
		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
	} else {
		u32 val = REG_RD(bp, params->shmem_base +
				     offsetof(struct shmem_region, dev_info.
					      port_feature_config[params->port].
					      config));
E
Eilon Greenstein 已提交
5052

Y
Yaniv Rosner 已提交
5053 5054 5055 5056 5057 5058 5059 5060
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
				   port);
		/* Module was plugged out. */
		/* Disable transmit for this module */
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
5061
	}
Y
Yaniv Rosner 已提交
5062
}
5063

Y
Yaniv Rosner 已提交
5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075
/******************************************************************/
/*		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*/
5076
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5077 5078 5079 5080 5081 5082 5083
			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);
5084 5085

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5086 5087 5088 5089 5090 5091 5092
			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);
5093

Y
Yaniv Rosner 已提交
5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105
	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
			" link_status 0x%x\n", rx_sd, pcs_status, val2);
	/* link is up if both bit 0 of pmd_rx_sd and
	 * bit 0 of pcs_status are set, or if the autoneg bit
	 * 1 is set
	 */
	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
	if (link_up) {
		if (val2 & (1<<1))
			vars->line_speed = SPEED_1000;
		else
			vars->line_speed = SPEED_10000;
5106
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
Y
Yaniv Rosner 已提交
5107
	}
5108
	return link_up;
Y
Yaniv Rosner 已提交
5109
}
5110

Y
Yaniv Rosner 已提交
5111 5112 5113 5114
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
5115 5116 5117
				 struct link_params *params,
				 struct link_vars *vars)
{
Y
Yaniv Rosner 已提交
5118
	u16 cnt, val;
Y
Yaniv Rosner 已提交
5119
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5120 5121 5122 5123 5124 5125
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
	bnx2x_wait_reset_complete(bp, phy);
Y
Yaniv Rosner 已提交
5126

Y
Yaniv Rosner 已提交
5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153 5154 5155 5156
	/* 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
5157

Y
Yaniv Rosner 已提交
5158 5159 5160 5161 5162 5163 5164
		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
5165

Y
Yaniv Rosner 已提交
5166 5167 5168 5169
		/* 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
5170

Y
Yaniv Rosner 已提交
5171 5172 5173 5174 5175 5176 5177 5178 5179
		/* 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
5180

Y
Yaniv Rosner 已提交
5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193
		/* 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
5194

Y
Yaniv Rosner 已提交
5195 5196 5197 5198 5199 5200
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
5201

Y
Yaniv Rosner 已提交
5202 5203 5204 5205 5206 5207 5208 5209 5210 5211
/******************************************************************/
/*			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);
}
5212

Y
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5213 5214 5215 5216 5217 5218
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);
5219

Y
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5220 5221 5222
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
5223

Y
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5224 5225 5226 5227 5228
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
5229

Y
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5230 5231 5232
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
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5233

Y
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5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

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

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

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
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5249 5250
}

Y
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5251
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
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5252 5253 5254 5255
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
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5256 5257
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
5258 5259
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
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5260 5261 5262 5263 5264 5265 5266
				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;
		}
5267 5268
	}
	return link_up;
Y
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5269 5270
}

Y
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5271 5272 5273 5274

static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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5275 5276
{
	struct bnx2x *bp = params->bp;
Y
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5277 5278 5279 5280 5281 5282
	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
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5283

Y
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5284 5285
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
5286

Y
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5287 5288
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	bnx2x_wait_reset_complete(bp, phy);
5289

Y
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5290
	bnx2x_8726_external_rom_boot(phy, params);
5291

Y
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5292 5293 5294 5295 5296 5297
	/* Need to call module detected on initialization since
	the module detection triggered by actual module
	insertion might occur before driver is loaded, and when
	driver is loaded, it reset all registers, including the
	transmitter */
	bnx2x_sfp_module_detection(phy, params);
5298

Y
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5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		   (phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
		   ((phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
		/* Set Flow control */
		bnx2x_ext_phy_set_pause(params, phy, vars);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		bnx2x_cl45_write(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		/* Enable RX-ALARM control to receive
		interrupt for 1G speed change */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
5336

Y
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5337 5338 5339
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
5340 5341
	}

Y
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5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352
	/* 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]);
5353

Y
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5354 5355 5356 5357 5358
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
5359

Y
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5360 5361 5362
	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			    MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
Y
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5363

Y
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5364 5365 5366
	/* 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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5367

Y
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5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378
	/* 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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5379
	}
Y
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5380 5381 5382 5383 5384
	val = REG_RD(bp, offset);
	/* add GPIO3 to group */
	val |= aeu_gpio_mask;
	REG_WR(bp, offset, val);
	return 0;
5385

Y
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5386 5387
}

Y
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5388 5389
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
5390
{
Y
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5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401
	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			  */
/******************************************************************/
5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448

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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5449 5450 5451 5452 5453 5454 5455
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
	/**
	 * The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
5456
	 */
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5457 5458 5459 5460 5461 5462
	struct bnx2x *bp = params->bp;
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
	port = (swap_val && swap_override) ^ 1;
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
5463
}
Y
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5464

Y
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5465 5466 5467
static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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5468
{
Y
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5469 5470 5471
	u16 tmp1, val, mod_abs;
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
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5472
	struct bnx2x *bp = params->bp;
Y
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5473
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
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5474

Y
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5475 5476 5477
	bnx2x_wait_reset_complete(bp, phy);
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
	lasi_ctrl_val = 0x0004;
Y
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5478

Y
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5479 5480 5481 5482 5483
	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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5484

Y
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5485 5486
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
Y
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5487

Y
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5488 5489 5490 5491 5492 5493 5494 5495
	/* Initially configure  MOD_ABS to interrupt when
	module is presence( bit 8) */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	/* Set EDC off by setting OPTXLOS signal input to low
	(bit 9).
	When the EDC is off it locks onto a reference clock and
	avoids becoming 'lost'.*/
5496 5497 5498
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
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5499 5500
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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5501 5502


Y
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5503 5504 5505 5506
	/* 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);
5507 5508
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
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5509

5510 5511 5512 5513 5514 5515
	/**
	 * 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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5516 5517
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
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5518

Y
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5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536
	bnx2x_8727_power_module(bp, phy, 1);

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

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

	/* Set option 1G speed */
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Y
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5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549
		/**
		 * 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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5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576
	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		   ((phy->speed_cap_mask &
		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
		   ((phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {

		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
	} else {
		/**
		 * Since the 8727 has only single reset pin, need to set the 10G
		 * registers although it is default
		 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
				 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
				 0x0008);
Y
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5577 5578
	}

Y
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5579 5580 5581 5582 5583 5584 5585
	/* Set 2-wire transfer rate of SFP+ module EEPROM
	 * to 100Khz since some DACs(direct attached cables) do
	 * not work at 400Khz.
	 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
			 0xa001);
Y
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5586

Y
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5587 5588 5589 5590 5591 5592 5593 5594 5595
	/* 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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5596

Y
Yaniv Rosner 已提交
5597 5598 5599 5600
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
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5601

Y
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5602
	return 0;
Y
Yaniv Rosner 已提交
5603 5604
}

Y
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5605 5606
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
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5607 5608
{
	struct bnx2x *bp = params->bp;
Y
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5609 5610 5611 5612 5613 5614 5615 5616 5617
	u16 mod_abs, rx_alarm_status;
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				      port_feature_config[params->port].
				      config));
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	if (mod_abs & (1<<8)) {
Y
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5618

Y
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5619 5620 5621
		/* Module is absent */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is absent\n");
Y
Yaniv Rosner 已提交
5622

Y
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5623 5624 5625 5626 5627 5628
		/* 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'.*/
5629 5630 5631
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
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5632 5633 5634
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
5635

Y
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5636 5637 5638 5639 5640
		/* Clear RX alarm since it stays up as long as
		the mod_abs wasn't changed */
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
Yaniv Rosner 已提交
5641

Y
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5642 5643 5644 5645 5646 5647 5648
	} else {
		/* Module is present */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is present\n");
		/* First thing, disable transmitter,
		and if the module is ok, the
		module_detection will enable it*/
Y
Yaniv Rosner 已提交
5649

Y
Yaniv Rosner 已提交
5650 5651 5652 5653 5654
		/* 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) */
5655 5656 5657
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
5658
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5659 5660
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
5661

Y
Yaniv Rosner 已提交
5662 5663 5664 5665 5666 5667 5668
		/* Clear RX alarm since it stays up as long as
		the mod_abs wasn't changed. This is need to be done
		before calling the module detection, otherwise it will clear
		the link update alarm */
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
Yaniv Rosner 已提交
5669 5670


Y
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5671 5672 5673 5674 5675 5676 5677 5678
		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
Yaniv Rosner 已提交
5679
	}
Y
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5680 5681 5682 5683 5684

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
		 rx_alarm_status);
	/* No need to check link status in case of
	module plugged in/out */
Y
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5685 5686
}

Y
Yaniv Rosner 已提交
5687 5688 5689 5690
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
5691 5692
{
	struct bnx2x *bp = params->bp;
Y
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5693 5694
	u8 link_up = 0;
	u16 link_status = 0;
Y
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5695 5696 5697 5698 5699 5700 5701 5702 5703
	u16 rx_alarm_status, lasi_ctrl, val1;

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

Y
Yaniv Rosner 已提交
5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773
	/* Check the LASI */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

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

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

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

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

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

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

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

	/* When module absent bit is set, check module */
	if (rx_alarm_status & (1<<5)) {
		bnx2x_8727_handle_mod_abs(phy, params);
		/* Enable all mod_abs and link detection bits */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 ((1<<5) | (1<<2)));
	}
Y
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5774 5775
	DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
	bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Y
Yaniv Rosner 已提交
5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804
	/* If transmitter is disabled, ignore false link up indication */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
	if (val1 & (1<<15)) {
		DP(NETIF_MSG_LINK, "Tx is disabled\n");
		return 0;
	}

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

	/* Bits 0..2 --> speed detected,
	   bits 13..15--> link is down */
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
		link_up = 1;
		vars->line_speed = SPEED_1000;
		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
			   params->port);
	} else {
		link_up = 0;
		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
			   params->port);
	}
	if (link_up)
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
Y
Yaniv Rosner 已提交
5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822

	if ((DUAL_MEDIA(params)) &&
	    (phy->req_line_speed == SPEED_1000)) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_PCS_GP, &val1);
		/**
		 * In case of dual-media board and 1G, power up the XAUI side,
		 * otherwise power it down. For 10G it is done automatically
		 */
		if (link_up)
			val1 &= ~(3<<10);
		else
			val1 |= (3<<10);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8727_PCS_GP, val1);
	}
Y
Yaniv Rosner 已提交
5823
	return link_up;
Y
Yaniv Rosner 已提交
5824
}
Y
Yaniv Rosner 已提交
5825

Y
Yaniv Rosner 已提交
5826 5827
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5828 5829
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5830 5831
	/* Disable Transmitter */
	bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Y
Yaniv Rosner 已提交
5832 5833 5834
	/* Clear LASI */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);

Y
Yaniv Rosner 已提交
5835
}
5836

Y
Yaniv Rosner 已提交
5837 5838 5839 5840 5841
/******************************************************************/
/*		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
5842
{
Y
Yaniv Rosner 已提交
5843 5844
	u16 val, fw_ver1, fw_ver2, cnt;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5845

Y
Yaniv Rosner 已提交
5846 5847 5848 5849 5850 5851 5852
	/* 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
5853

Y
Yaniv Rosner 已提交
5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
		bnx2x_save_spirom_version(bp, params->port, 0,
					  phy->ver_addr);
		return;
	}
Y
Yaniv Rosner 已提交
5866 5867


Y
Yaniv Rosner 已提交
5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882
	/* 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
Yaniv Rosner 已提交
5883 5884
	}

Y
Yaniv Rosner 已提交
5885 5886 5887 5888
	/* lower 16 bits of the register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
	/* upper 16 bits of register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
Yaniv Rosner 已提交
5889

Y
Yaniv Rosner 已提交
5890 5891 5892
	bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
				  phy->ver_addr);
}
Y
Yaniv Rosner 已提交
5893

Y
Yaniv Rosner 已提交
5894 5895
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
5896
{
Y
Yaniv Rosner 已提交
5897
	u16 val;
Y
Yaniv Rosner 已提交
5898

Y
Yaniv Rosner 已提交
5899 5900 5901 5902 5903 5904
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
	val &= 0xFE00;
	val |= 0x0092;
5905

Y
Yaniv Rosner 已提交
5906 5907 5908
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
5909

Y
Yaniv Rosner 已提交
5910 5911 5912 5913
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED1_MASK,
			 0x80);
Y
Yaniv Rosner 已提交
5914

Y
Yaniv Rosner 已提交
5915 5916 5917 5918
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED2_MASK,
			 0x18);
Y
Yaniv Rosner 已提交
5919

Y
Yaniv Rosner 已提交
5920 5921 5922 5923
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED3_MASK,
			 0x0040);
Y
Yaniv Rosner 已提交
5924

Y
Yaniv Rosner 已提交
5925 5926 5927 5928
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
5929 5930
}

Y
Yaniv Rosner 已提交
5931
static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
5932 5933
				      struct link_params *params,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5934
{
5935
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5936
	u16 autoneg_val, an_1000_val, an_10_100_val;
5937

Y
Yaniv Rosner 已提交
5938 5939
	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
Y
Yaniv Rosner 已提交
5940

Y
Yaniv Rosner 已提交
5941 5942
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
5943

Y
Yaniv Rosner 已提交
5944
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
5945

Y
Yaniv Rosner 已提交
5946 5947 5948 5949
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
5950

Y
Yaniv Rosner 已提交
5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961
	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
5962

Y
Yaniv Rosner 已提交
5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973
	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
5974

Y
Yaniv Rosner 已提交
5975 5976 5977
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
5978

Y
Yaniv Rosner 已提交
5979 5980 5981 5982 5983 5984 5985 5986
	/* 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
5987

Y
Yaniv Rosner 已提交
5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002
		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
6003

Y
Yaniv Rosner 已提交
6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019
	/* 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
6020

Y
Yaniv Rosner 已提交
6021 6022 6023
	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
6024

Y
Yaniv Rosner 已提交
6025 6026
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
6027

Y
Yaniv Rosner 已提交
6028 6029 6030
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
6031

Y
Yaniv Rosner 已提交
6032 6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047
	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
6048
	}
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6049 6050 6051 6052
	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, params);

	return 0;
Y
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6053 6054
}

Y
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6055 6056 6057
static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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6058 6059
{
	struct bnx2x *bp = params->bp;
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6060 6061 6062
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
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6063

Y
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6064 6065
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
6066
	bnx2x_wait_reset_complete(bp, phy);
6067

Y
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6068 6069 6070
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	return bnx2x_848xx_cmn_config_init(phy, params, vars);
}
Y
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6071

Y
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6072 6073 6074 6075 6076
static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
6077
	u8 port, initialize = 1;
Y
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6078
	u16 val;
Y
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6079
	u16 temp;
Y
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6080 6081
	u32 actual_phy_selection;
	u8 rc = 0;
6082 6083 6084

	/* This is just for MDIO_CTL_REG_84823_MEDIA register. */

Y
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6085
	msleep(1);
6086 6087 6088 6089
	if (CHIP_IS_E2(bp))
		port = BP_PATH(bp);
	else
		port = params->port;
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6090 6091
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
6092
		       port);
6093 6094 6095
	bnx2x_wait_reset_complete(bp, phy);
	/* Wait for GPHY to come out of reset */
	msleep(50);
6096 6097
	/* BCM84823 requires that XGXS links up first @ 10G for normal
	behavior */
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6098 6099
	temp = vars->line_speed;
	vars->line_speed = SPEED_10000;
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6100 6101
	bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
	bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
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6102
	vars->line_speed = temp;
Y
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6103 6104 6105 6106 6107 6108 6109 6110 6111 6112 6113 6114 6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146 6147 6148

	/* 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;
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6149
}
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6150

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6151 6152 6153 6154 6155 6156 6157
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 val, val1, val2;
	u8 link_up = 0;
Y
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6159 6160 6161 6162 6163 6164 6165 6166
	/* 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);
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6167

Y
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6168 6169
	/* Check link 10G */
	if (val2 & (1<<11)) {
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6170
		vars->line_speed = SPEED_10000;
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6171 6172 6173 6174
		link_up = 1;
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
	} else { /* Check Legacy speed link */
		u16 legacy_status, legacy_speed;
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6175

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6176 6177 6178 6179
		/* Enable expansion register 0x42 (Operation mode status) */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
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6180

Y
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6181 6182 6183 6184 6185
		/* Get legacy speed operation status */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);
Y
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6186

Y
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6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199
		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
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6200

Y
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6201 6202 6203 6204
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
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6205

Y
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6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223
			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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6224 6225
		}
	}
Y
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6226 6227 6228 6229 6230
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
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6231

Y
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6232
	return link_up;
Y
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6233 6234
}

Y
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6235
static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
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6236
{
Y
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6237 6238 6239 6240 6241
	u8 status = 0;
	u32 spirom_ver;
	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
	status = bnx2x_format_ver(spirom_ver, str, len);
	return status;
Y
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6242
}
Y
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6243 6244 6245

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
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6246
{
Y
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6247 6248 6249 6250
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
6251
}
Y
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6252

Y
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6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264 6265
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;
6266 6267 6268 6269 6270
	u8 port;
	if (CHIP_IS_E2(bp))
		port = BP_PATH(bp);
	else
		port = params->port;
Y
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6271 6272 6273 6274 6275
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    port);
}

6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 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 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
				     struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 val;

	switch (mode) {
	case LED_MODE_OFF:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	case LED_MODE_OPER:

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

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

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

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

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

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

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

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

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
		}
		break;
	}
}
Y
Yaniv Rosner 已提交
6454 6455 6456 6457 6458
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
6459 6460
{
	struct bnx2x *bp = params->bp;
Y
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6461 6462 6463
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
6464 6465
}

Y
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6466 6467 6468
static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6469
{
Y
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6470
	u16 fw_ver1, fw_ver2, val;
Y
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6471
	struct bnx2x *bp = params->bp;
Y
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6472
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
6473

Y
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6474 6475 6476 6477 6478 6479
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_wait_reset_complete(bp, phy);
Y
Yaniv Rosner 已提交
6480

Y
Yaniv Rosner 已提交
6481 6482 6483 6484 6485
	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
6486

Y
Yaniv Rosner 已提交
6487 6488 6489 6490 6491 6492 6493
	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
6494

Y
Yaniv Rosner 已提交
6495 6496 6497
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6498

Y
Yaniv Rosner 已提交
6499 6500 6501 6502 6503 6504
	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
6505

Y
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static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
6509 6510
{
	struct bnx2x *bp = params->bp;
Y
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6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
		   val2, val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
		   val2, val1);
	link_up = ((val1 & 4) == 4);
	/* if link is up
	 * print the AN outcome of the SFX7101 PHY
	 */
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
			   val2, (val2 & (1<<14)));
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
	return link_up;
}
E
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Y
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6543 6544 6545 6546 6547 6548 6549 6550 6551 6552
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;
6553 6554 6555
	return 0;
}

Y
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6556
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
6557
{
Y
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6558
	u16 val, cnt;
6559

Y
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	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_7101_RESET, &val);
6563

Y
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6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_7101_RESET,
			       (val | (1<<15)));
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_7101_RESET, &val);
6575

Y
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		if ((val & (1<<15)) == 0)
			break;
6578 6579
	}
}
Y
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6580

Y
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6581 6582 6583 6584 6585 6586 6587 6588 6589
static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	/* Low power mode is controlled by GPIO 2 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
}
Y
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6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613
static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	u16 val = 0;
	struct bnx2x *bp = params->bp;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		val = 2;
		break;
	case LED_MODE_ON:
		val = 1;
		break;
	case LED_MODE_OPER:
		val = 0;
		break;
	}
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
			 val);
}

Y
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6614 6615 6616
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
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Y
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6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640
static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= 0,
	.media_type	= ETH_PHY_NOT_PRESENT,
	.ver_addr	= 0,
	.req_flow_ctrl  = 0,
	.req_line_speed = 0,
	.speed_cap_mask = 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)NULL,
	.read_status	= (read_status_t)NULL,
	.link_reset	= (link_reset_t)NULL,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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6643
};
Y
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Y
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6645 6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed = 0,
	.speed_cap_mask = 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_init_serdes,
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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6679
};
Y
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6680 6681 6682 6683 6684 6685 6686 6687 6688 6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713

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

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed = 0,
	.speed_cap_mask = 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_7101_config_init,
	.read_status	= (read_status_t)bnx2x_7101_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
6745
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
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6746
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.flags		= FLAGS_HW_LOCK_REQUIRED,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl  = 0,
	.req_line_speed = 0,
	.speed_cap_mask = 0,
	.req_duplex	= 0,
	.rsrv		= 0,
6771
	.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,
Y
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_XFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8705_config_init,
	.read_status	= (read_status_t)bnx2x_8705_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835
};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8706_config_init,
	.read_status	= (read_status_t)bnx2x_8706_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868
};

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,
Y
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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};

static struct bnx2x_phy phy_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,
6900
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
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6901
	.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,
Y
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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,
6936
	.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,
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	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};

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

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

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

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

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

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

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

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

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

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

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

static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
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7192
			     u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
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{
	u8 status = 0;
	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
	if (phy_index == INT_PHY)
		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
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	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
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					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
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			      u8 phy_index)
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{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
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	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
					 offsetof(struct shmem_region, dev_info.
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
					offsetof(struct shmem_region, dev_info.
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
				offsetof(struct shmem_region, dev_info.
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
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				offsetof(struct shmem_region, dev_info.
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			   port_hw_config[params->port].speed_capability_mask));
	}
	DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
		       " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
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7227 7228 7229 7230 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270 7271 7272

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

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

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

	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;

	prio_cfg = params->multi_phy_config &
			PORT_HW_CFG_PHY_SELECTION_MASK;

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

	return return_cfg;
}


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

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

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

static void set_phy_vars(struct link_params *params)
{
	struct bnx2x *bp = params->bp;
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	u8 actual_phy_idx, phy_index, link_cfg_idx;
	u8 phy_config_swapped = params->multi_phy_config &
			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
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	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
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		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
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		actual_phy_idx = phy_index;
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		if (phy_config_swapped) {
			if (phy_index == EXT_PHY1)
				actual_phy_idx = EXT_PHY2;
			else if (phy_index == EXT_PHY2)
				actual_phy_idx = EXT_PHY1;
		}
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		params->phy[actual_phy_idx].req_flow_ctrl  =
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			params->req_flow_ctrl[link_cfg_idx];
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		params->phy[actual_phy_idx].req_line_speed =
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			params->req_line_speed[link_cfg_idx];
Y
Yaniv Rosner 已提交
7375 7376

		params->phy[actual_phy_idx].speed_cap_mask =
Y
Yaniv Rosner 已提交
7377
			params->speed_cap_mask[link_cfg_idx];
Y
Yaniv Rosner 已提交
7378 7379

		params->phy[actual_phy_idx].req_duplex =
Y
Yaniv Rosner 已提交
7380
			params->req_duplex[link_cfg_idx];
Y
Yaniv Rosner 已提交
7381 7382 7383 7384 7385 7386 7387 7388 7389 7390 7391 7392 7393

		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
7394 7395 7396 7397
	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
7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431 7432 7433 7434 7435 7436 7437 7438 7439 7440
	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
7441 7442 7443
		if (!(CHIP_IS_E2(bp)))
			bnx2x_pbf_update(params, vars->flow_ctrl,
					 vars->line_speed);
Y
Yaniv Rosner 已提交
7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478 7479 7480
		/* 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
7481

Y
Yaniv Rosner 已提交
7482
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
7483

Y
Yaniv Rosner 已提交
7484
		bnx2x_xgxs_deassert(params);
Y
Yaniv Rosner 已提交
7485

Y
Yaniv Rosner 已提交
7486 7487
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
7488

Y
Yaniv Rosner 已提交
7489 7490
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
Y
Yaniv Rosner 已提交
7491

Y
Yaniv Rosner 已提交
7492
	} else if (params->loopback_mode == LOOPBACK_EMAC) {
Y
Yaniv Rosner 已提交
7493

Y
Yaniv Rosner 已提交
7494 7495 7496 7497 7498
		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
7499

Y
Yaniv Rosner 已提交
7500
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
7501

Y
Yaniv Rosner 已提交
7502 7503 7504 7505 7506 7507
		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
Y
Yaniv Rosner 已提交
7508

Y
Yaniv Rosner 已提交
7509 7510
	} else if ((params->loopback_mode == LOOPBACK_XGXS) ||
		   (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Y
Yaniv Rosner 已提交
7511

Y
Yaniv Rosner 已提交
7512 7513
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
7514 7515 7516 7517 7518 7519 7520 7521
		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;
		}
7522

Y
Yaniv Rosner 已提交
7523 7524
		bnx2x_xgxs_deassert(params);
		bnx2x_link_initialize(params, vars);
7525

Y
Yaniv Rosner 已提交
7526 7527 7528 7529
		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
7530
		bnx2x_bmac_enable(params, vars, 0);
7531

Y
Yaniv Rosner 已提交
7532 7533 7534 7535 7536
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
7537

Y
Yaniv Rosner 已提交
7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548 7549 7550 7551 7552
		} else {
			/* set external phy loopback */
			u8 phy_index;
			for (phy_index = EXT_PHY1;
			      phy_index < params->num_phys; phy_index++) {
				if (params->phy[phy_index].config_loopback)
					params->phy[phy_index].config_loopback(
						&params->phy[phy_index],
						params);
			}
		}

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

7553 7554
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
7555 7556 7557 7558 7559 7560 7561
	} else
	/* No loopback */
	{
		if (params->switch_cfg == SWITCH_CFG_10G)
			bnx2x_xgxs_deassert(params);
		else
			bnx2x_serdes_deassert(bp, params->port);
7562

Y
Yaniv Rosner 已提交
7563 7564 7565 7566
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
	}
Y
Yaniv Rosner 已提交
7567 7568
	return 0;
}
Y
Yaniv Rosner 已提交
7569 7570
u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		  u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
7571 7572
{
	struct bnx2x *bp = params->bp;
7573
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
7574 7575 7576 7577 7578 7579 7580 7581 7582
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
	/* disable attentions */
	vars->link_status = 0;
	bnx2x_update_mng(params, vars->link_status);
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
		     (NIG_MASK_XGXS0_LINK_STATUS |
		      NIG_MASK_XGXS0_LINK10G |
		      NIG_MASK_SERDES0_LINK_STATUS |
		      NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
7583

Y
Yaniv Rosner 已提交
7584 7585
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
7586

Y
Yaniv Rosner 已提交
7587 7588 7589
	/* 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
7590

Y
Yaniv Rosner 已提交
7591 7592
	/* Stop BigMac rx */
	bnx2x_bmac_rx_disable(bp, port);
Y
Yaniv Rosner 已提交
7593

Y
Yaniv Rosner 已提交
7594 7595
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
7596

Y
Yaniv Rosner 已提交
7597 7598 7599 7600 7601
	msleep(10);
	/* The PHY reset is controled by GPIO 1
	 * Hold it as vars low
	 */
	 /* clear link led */
7602 7603
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
7604 7605 7606 7607 7608 7609 7610
	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);
7611 7612 7613
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
7614 7615 7616
		}
	}

7617 7618 7619 7620 7621 7622
	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
7623 7624 7625 7626 7627 7628
	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
7629

Y
Yaniv Rosner 已提交
7630 7631 7632 7633 7634 7635
	/* 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
7636 7637 7638
	return 0;
}

Y
Yaniv Rosner 已提交
7639 7640 7641
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
D
Dmitry Kravkov 已提交
7642 7643 7644 7645
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
7646
{
Y
Yaniv Rosner 已提交
7647 7648
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
7649 7650
	u16 val;
	s8 port;
D
Dmitry Kravkov 已提交
7651
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
7652

7653
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
7654 7655
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
7656 7657 7658 7659 7660 7661 7662 7663 7664 7665 7666 7667
		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
7668
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7669
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
7670
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
7671 7672 7673 7674
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7675
		/* disable attentions */
7676 7677
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
7678 7679 7680 7681 7682 7683 7684 7685 7686 7687 7688
			     (NIG_MASK_XGXS0_LINK_STATUS |
			      NIG_MASK_XGXS0_LINK10G |
			      NIG_MASK_SERDES0_LINK_STATUS |
			      NIG_MASK_MI_INT));

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

		/* Reset the phy */
Y
Yaniv Rosner 已提交
7689
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
7690 7691 7692 7693 7694 7695 7696 7697
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

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

Y
Yaniv Rosner 已提交
7698 7699 7700 7701 7702 7703 7704 7705
	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
7706 7707 7708
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		u16 fw_ver1;
D
Dmitry Kravkov 已提交
7709 7710 7711 7712
		if (CHIP_IS_E2(bp))
			port_of_path = 0;
		else
			port_of_path = port;
Y
Yaniv Rosner 已提交
7713

D
Dmitry Kravkov 已提交
7714 7715
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
Y
Yaniv Rosner 已提交
7716
		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
D
Dmitry Kravkov 已提交
7717
						  port_of_path);
Y
Yaniv Rosner 已提交
7718

Y
Yaniv Rosner 已提交
7719
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7720 7721
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7722
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
Y
Yaniv Rosner 已提交
7723
			DP(NETIF_MSG_LINK,
7724 7725 7726
				 "bnx2x_8073_common_init_phy port %x:"
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
Y
Yaniv Rosner 已提交
7727 7728 7729 7730
			return -EINVAL;
		}

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
7731
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7732 7733 7734 7735
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
7736
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_TX_POWER_DOWN,
			       (val | 1<<10));
	}

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

	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
E
Eilon Greenstein 已提交
7748
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
7749
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
7750
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7751 7752 7753
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

Y
Yaniv Rosner 已提交
7754
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7755 7756 7757 7758 7759
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
7760
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7761 7762
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
7763
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7764 7765 7766 7767 7768 7769 7770 7771 7772
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
				  MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
	}
	return 0;
}
D
Dmitry Kravkov 已提交
7773 7774 7775 7776
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
7777 7778 7779 7780 7781 7782 7783 7784 7785 7786 7787
{
	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);

7788
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
7789 7790
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
7791 7792 7793 7794 7795 7796 7797 7798 7799 7800
		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
7801
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7802
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
7803 7804 7805 7806 7807 7808 7809 7810 7811 7812 7813 7814 7815 7816 7817 7818 7819 7820 7821
				       port, &phy) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}

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


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

	return 0;
}
D
Dmitry Kravkov 已提交
7822 7823 7824 7825
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
7826
{
Y
Yaniv Rosner 已提交
7827
	s8 port;
E
Eilon Greenstein 已提交
7828
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
7829 7830
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
7831
	s8 port_of_path;
E
Eilon Greenstein 已提交
7832 7833 7834
	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);

Y
Yaniv Rosner 已提交
7835
	port = 1;
E
Eilon Greenstein 已提交
7836

Y
Yaniv Rosner 已提交
7837 7838 7839 7840 7841 7842
	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
7843

E
Eilon Greenstein 已提交
7844
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
7845
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
7846 7847 7848 7849 7850 7851 7852 7853 7854 7855 7856 7857 7858
		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
7859
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7860
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
7861
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
7862 7863 7864 7865
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
7866
		/* disable attentions */
D
Dmitry Kravkov 已提交
7867 7868 7869 7870 7871 7872
		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
7873 7874 7875


		/* Reset the phy */
Y
Yaniv Rosner 已提交
7876
		bnx2x_cl45_write(bp, &phy[port],
E
Eilon Greenstein 已提交
7877 7878 7879 7880 7881 7882 7883
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
7884 7885 7886 7887 7888 7889 7890
	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
7891
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
7892
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
E
Eilon Greenstein 已提交
7893
		u16 fw_ver1;
D
Dmitry Kravkov 已提交
7894 7895 7896 7897 7898 7899
		 if (CHIP_IS_E2(bp))
			port_of_path = 0;
		else
			port_of_path = port;
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
Y
Yaniv Rosner 已提交
7900
		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
D
Dmitry Kravkov 已提交
7901
						  port_of_path);
Y
Yaniv Rosner 已提交
7902
		bnx2x_cl45_read(bp, phy_blk[port],
E
Eilon Greenstein 已提交
7903 7904 7905 7906
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
			DP(NETIF_MSG_LINK,
E
Eilon Greenstein 已提交
7907
				 "bnx2x_8727_common_init_phy port %x:"
E
Eilon Greenstein 已提交
7908 7909 7910 7911 7912 7913 7914 7915 7916
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
			return -EINVAL;
		}
	}

	return 0;
}

D
Dmitry Kravkov 已提交
7917 7918 7919
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
7920 7921 7922 7923 7924
{
	u8 rc = 0;

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
7925 7926 7927
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
7928
		break;
E
Eilon Greenstein 已提交
7929 7930 7931

	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
7932 7933 7934
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
7935 7936
		break;

E
Eilon Greenstein 已提交
7937 7938 7939
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		/* GPIO1 affects both ports, so there's need to pull
		it for single port alone */
D
Dmitry Kravkov 已提交
7940 7941 7942
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
7943 7944 7945
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
7946
		break;
Y
Yaniv Rosner 已提交
7947 7948 7949 7950 7951 7952 7953 7954 7955 7956
	default:
		DP(NETIF_MSG_LINK,
			 "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
			 ext_phy_type);
		break;
	}

	return rc;
}

D
Dmitry Kravkov 已提交
7957 7958
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
7959 7960
{
	u8 rc = 0;
7961
	u32 phy_ver;
Y
Yaniv Rosner 已提交
7962 7963 7964 7965 7966 7967 7968
	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;

7969 7970 7971 7972 7973 7974 7975 7976 7977 7978
	/* 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
7979 7980 7981 7982
	/* 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
7983
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
7984 7985
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
7986 7987 7988 7989
		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
7990 7991 7992
	}
	return rc;
}
7993

Y
Yaniv Rosner 已提交
7994
u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
7995 7996 7997 7998 7999
{
	u8 phy_index;
	struct bnx2x_phy phy;
	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
Y
Yaniv Rosner 已提交
8000
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
8001 8002 8003 8004 8005 8006 8007 8008 8009 8010 8011 8012 8013
				       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
8014
			     u32 shmem2_base,
8015 8016 8017 8018 8019 8020
			     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
8021
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
8022 8023 8024 8025 8026 8027 8028 8029 8030 8031 8032 8033 8034 8035 8036 8037 8038 8039 8040 8041 8042 8043 8044 8045
				       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;
		}
	}
}