bnx2x_link.c 261.4 KB
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/* Copyright 2008-2011 Broadcom Corporation
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 *
 * Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2, available
 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
 *
 * Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a
 * license other than the GPL, without Broadcom's express prior written
 * consent.
 *
 * Written by Yaniv Rosner
 *
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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

#include "bnx2x.h"
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#include "bnx2x_cmn.h"

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/********************************************************/
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#define ETH_HLEN			14
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/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
#define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
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#define ETH_MIN_PACKET_SIZE		60
#define ETH_MAX_PACKET_SIZE		1500
#define ETH_MAX_JUMBO_PACKET_SIZE	9600
#define MDIO_ACCESS_TIMEOUT		1000
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#define BMAC_CONTROL_RX_ENABLE		2
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/***********************************************************/
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/*			Shortcut definitions		   */
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/***********************************************************/

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#define NIG_LATCH_BC_ENABLE_MI_INT 0

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

#define MDIO_AN_CL73_OR_37_COMPLETE \
		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)

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

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

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

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#define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
#define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
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#define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
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#define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
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#define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
#define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
#define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
#define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
#define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
#define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
#define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
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#define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
#define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
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#define PHY_XGXS_FLAG			0x1
#define PHY_SGMII_FLAG			0x2
#define PHY_SERDES_FLAG			0x4

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

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

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#define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
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	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
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#define SFP_EEPROM_OPTIONS_ADDR			0x40
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	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
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#define SFP_EEPROM_OPTIONS_SIZE			2
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#define EDC_MODE_LINEAR				0x0022
#define EDC_MODE_LIMITING				0x0044
#define EDC_MODE_PASSIVE_DAC			0x0055
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/* BRB thresholds for E2*/
#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE		170
#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE		0

#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE		250
#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE		0

#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE		10
#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE		90

#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE			50
#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE		250

/* BRB thresholds for E3A0 */
#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE		290
#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE		0

#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE		410
#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE		0

#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE		10
#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE		170

#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE		50
#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE		410


/* BRB thresholds for E3B0 2 port mode*/
#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE		1025
#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE	0

#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE		1025
#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE	0

#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE		10
#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE	1025

#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE		50
#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE	1025

/* only for E3B0*/
#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR			1025
#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR			1025

/* Lossy +Lossless GUARANTIED == GUART */
#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART			284
/* Lossless +Lossless*/
#define PFC_E3B0_2P_PAUSE_LB_GUART			236
/* Lossy +Lossy*/
#define PFC_E3B0_2P_NON_PAUSE_LB_GUART			342

/* Lossy +Lossless*/
#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART		284
/* Lossless +Lossless*/
#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART		236
/* Lossy +Lossy*/
#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART		336
#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST		80

#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART		0
#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST		0

/* BRB thresholds for E3B0 4 port mode */
#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE		304
#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE	0

#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE		384
#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE	0

#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE		10
#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE	304

#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE		50
#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE	384


/* only for E3B0*/
#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR			304
#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR			384
#define PFC_E3B0_4P_LB_GUART				120

#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART		120
#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST		80

#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART		80
#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST		120

#define DCBX_INVALID_COS					(0xFF)

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

#define MAX_PACKET_SIZE					(9700)

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/**********************************************************/
/*                     INTERFACE                          */
/**********************************************************/
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#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
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	bnx2x_cl45_write(_bp, _phy, \
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		(_phy)->def_md_devad, \
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		(_bank + (_addr & 0xf)), \
		_val)

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#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
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	bnx2x_cl45_read(_bp, _phy, \
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		(_phy)->def_md_devad, \
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		(_bank + (_addr & 0xf)), \
		_val)

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

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

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

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

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/******************************************************************/
/*				ETS section			  */
/******************************************************************/
void bnx2x_ets_disabled(struct link_params *params)
{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;

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

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

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

	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
	/* defines which entries (clients) are subjected to WFQ arbitration */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
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	/*
	 * For strict priority entries defines the number of consecutive
	 * slots for the highest priority.
	 */
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	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
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	/*
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	 * mapping between the CREDIT_WEIGHT registers and actual client
	 * numbers
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);

	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
	/* ETS mode disable */
	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
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	/*
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	 * If ETS mode is enabled (there is no strict priority) defines a WFQ
	 * weight for COS0/COS1.
	 */
	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}

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static void bnx2x_ets_bw_limit_common(const struct link_params *params)
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{
	/* ETS disabled configuration */
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
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	/*
	 * defines which entries (clients) are subjected to WFQ arbitration
	 * COS0 0x8
	 * COS1 0x10
	 */
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	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
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	/*
	 * mapping between the ARB_CREDIT_WEIGHT registers and actual
	 * client numbers (WEIGHT_0 does not actually have to represent
	 * client 0)
	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
	 */
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	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);

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

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

	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
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	/*
	 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
	 * entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2     bit1	   bit0
	 * MCP and debug are strict
	 */
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	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);

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

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

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

	if ((0 == total_bw) ||
	    (0 == cos0_bw) ||
	    (0 == cos1_bw)) {
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		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
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		return;
	}

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

	bnx2x_ets_bw_limit_common(params);

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

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

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

	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
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	/*
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	 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries,
	 * 3 - COS0 entry, 4 - COS1 entry.
	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 *  bit4   bit3	  bit2      bit1     bit0
	 * MCP and debug are strict
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
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	/*
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	 * For strict priority entries defines the number of consecutive slots
	 * for the highest priority.
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
	/* ETS mode disable */
	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);

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

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	/*
	 * mapping between entry  priority to client number (0,1,2 -debug and
	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
	 */
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	val = (0 == strict_cos) ? 0x2318 : 0x22E0;
	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);

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

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static void bnx2x_update_pfc_xmac(struct link_params *params,
				  struct link_vars *vars,
				  u8 is_lb)
{
	struct bnx2x *bp = params->bp;
	u32 xmac_base;
	u32 pause_val, pfc0_val, pfc1_val;

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

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

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

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

		/*
		 * TX flow control - Send pause packet when buffer is full
		 */
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
	} else {/* PFC support */
		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
	}

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

	udelay(30);
}


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static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
				     u32 pfc_frames_sent[2],
				     u32 pfc_frames_received[2])
{
	/* Read pfc statistic */
	struct bnx2x *bp = params->bp;
	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;

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

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

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

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

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

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

	pfc_frames_received[0] = val_xon + val_xoff;

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

	pfc_frames_sent[0] = val_xon + val_xoff;
}

void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
			 u32 pfc_frames_sent[2],
			 u32 pfc_frames_received[2])
{
	/* Read pfc statistic */
	struct bnx2x *bp = params->bp;
	u32 val	= 0;
	DP(NETIF_MSG_LINK, "pfc statistic\n");

	if (!vars->link_up)
		return;

	val = REG_RD(bp, MISC_REG_RESET_REG_2);
	if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
	    == 0) {
		DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
		bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
					pfc_frames_received);
	} else {
		DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
		bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
					 pfc_frames_received);
	}
}
/******************************************************************/
/*			MAC/PBF section				  */
/******************************************************************/
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static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
{
	u32 mode, emac_base;
	/**
	 * 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
	 */

	if (CHIP_IS_E2(bp))
		emac_base = GRCBASE_EMAC0;
	else
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
	mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
		  EMAC_MDIO_MODE_CLOCK_CNT);
	mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);

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

	udelay(40);
}

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static void bnx2x_emac_init(struct link_params *params,
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			    struct link_vars *vars)
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{
	/* reset and unreset the emac core */
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val;
	u16 timeout;

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
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	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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	udelay(5);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
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	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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	/* init emac - use read-modify-write */
	/* self clear reset */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
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	do {
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		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
		if (!timeout) {
			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
			return;
		}
		timeout--;
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	} while (val & EMAC_MODE_RESET);
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	bnx2x_set_mdio_clk(bp, params->chip_id, port);
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	/* Set mac address */
	val = ((params->mac_addr[0] << 8) |
		params->mac_addr[1]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
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	val = ((params->mac_addr[2] << 24) |
	       (params->mac_addr[3] << 16) |
	       (params->mac_addr[4] << 8) |
		params->mac_addr[5]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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}

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static void bnx2x_set_xumac_nig(struct link_params *params,
				u16 tx_pause_en,
				u8 enable)
{
	struct bnx2x *bp = params->bp;

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

static void bnx2x_umac_enable(struct link_params *params,
			    struct link_vars *vars, u8 lb)
{
	u32 val;
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
	struct bnx2x *bp = params->bp;
	/* Reset UMAC */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
	usleep_range(1000, 1000);

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

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

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

	/**
	 * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
	 * params->port*0x14,      0xfffff.
	 */
	/* This register opens the gate for the UMAC despite its name */
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);

	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
		UMAC_COMMAND_CONFIG_REG_PAD_EN |
		UMAC_COMMAND_CONFIG_REG_SW_RESET |
		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
	switch (vars->line_speed) {
	case SPEED_10:
		val |= (0<<2);
		break;
	case SPEED_100:
		val |= (1<<2);
		break;
	case SPEED_1000:
		val |= (2<<2);
		break;
	case SPEED_2500:
		val |= (3<<2);
		break;
	default:
		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
			       vars->line_speed);
		break;
	}
	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	udelay(50);

	/* Enable RX and TX */
	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
	       UMAC_COMMAND_CONFIG_REG_RX_ENA;
	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	udelay(50);

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

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

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

}

static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
{
	u32 port4mode_ovwr_val;
	/* Check 4-port override enabled */
	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
	if (port4mode_ovwr_val & (1<<0)) {
		/* Return 4-port mode override value */
		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
	}
	/* Return 4-port mode from input pin */
	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
}

/* Define the XMAC mode */
static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
{
	u32 is_port4mode = bnx2x_is_4_port_mode(bp);

	/**
	* In 4-port mode, need to set the mode only once, so if XMAC is
	* already out of reset, it means the mode has already been set,
	* and it must not* reset the XMAC again, since it controls both
	* ports of the path
	**/

	if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
		DP(NETIF_MSG_LINK, "XMAC already out of reset"
				   " in 4-port mode\n");
		return;
	}

	/* Hard reset */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       MISC_REGISTERS_RESET_REG_2_XMAC);
	usleep_range(1000, 1000);

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

		/*  Set the number of ports on the system side to up to 2 */
		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);

		/* Set the number of ports on the Warp Core to 10G */
		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
	} else {
		/*  Set the number of ports on the system side to 1 */
		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
		if (max_speed == SPEED_10000) {
			DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
					   " port per path\n");
			/* Set the number of ports on the Warp Core to 10G */
			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
		} else {
			DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
					   " per path\n");
			/* Set the number of ports on the Warp Core to 20G */
			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
		}
	}
	/* Soft reset */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
	usleep_range(1000, 1000);

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);

}

static void bnx2x_xmac_disable(struct link_params *params)
{
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;

	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
	    MISC_REGISTERS_RESET_REG_2_XMAC) {
		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
		REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
		usleep_range(1000, 1000);
		bnx2x_set_xumac_nig(params, 0, 0);
		REG_WR(bp, xmac_base + XMAC_REG_CTRL,
		       XMAC_CTRL_REG_SOFT_RESET);
	}
}

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

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

	bnx2x_xmac_init(bp, vars->line_speed);

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

	/*
	 * This register tells the NIG whether to send traffic to UMAC
	 * or XMAC
	 */
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);

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

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

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

	/* Enable TX and RX */
	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;

	/* Check loopback mode */
	if (lb)
		val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
	bnx2x_set_xumac_nig(params,
			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);

	vars->mac_type = MAC_TYPE_XMAC;

	return 0;
}
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static int bnx2x_emac_enable(struct link_params *params,
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			     struct link_vars *vars, u8 lb)
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{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val;

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

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

	/* ASIC */
	if (vars->phy_flags & PHY_XGXS_FLAG) {
		u32 ser_lane = ((params->lane_config &
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				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
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		DP(NETIF_MSG_LINK, "XGXS\n");
		/* select the master lanes (out of 0-3) */
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		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
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		/* select XGXS */
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		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
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	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "SerDes\n");
		/* select SerDes */
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		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
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	}

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

		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
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			       (EMAC_TX_MODE_EXT_PAUSE_EN |
				EMAC_TX_MODE_FLOW_EN));
		if (!(params->feature_config_flags &
		      FEATURE_CONFIG_PFC_ENABLED)) {
			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
				bnx2x_bits_en(bp, emac_base +
					      EMAC_REG_EMAC_RX_MODE,
					      EMAC_RX_MODE_FLOW_EN);

			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
				bnx2x_bits_en(bp, emac_base +
					      EMAC_REG_EMAC_TX_MODE,
					      (EMAC_TX_MODE_EXT_PAUSE_EN |
					       EMAC_TX_MODE_FLOW_EN));
		} else
			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
				      EMAC_TX_MODE_FLOW_EN);
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	}

	/* KEEP_VLAN_TAG, promiscuous */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
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	/*
	 * Setting this bit causes MAC control frames (except for pause
	 * frames) to be passed on for processing. This setting has no
	 * affect on the operation of the pause frames. This bit effects
	 * all packets regardless of RX Parser packet sorting logic.
	 * Turn the PFC off to make sure we are in Xon state before
	 * enabling it.
	 */
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	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
		DP(NETIF_MSG_LINK, "PFC is enabled\n");
		/* Enable PFC again */
		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
			EMAC_REG_RX_PFC_MODE_RX_EN |
			EMAC_REG_RX_PFC_MODE_TX_EN |
			EMAC_REG_RX_PFC_MODE_PRIORITIES);

		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
			((0x0101 <<
			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
			 (0x00ff <<
			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
	}
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	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
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	/* Set Loopback */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
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	/* enable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);

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

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

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

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

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

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

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static void bnx2x_update_pfc_bmac1(struct link_params *params,
				   struct link_vars *vars)
{
	u32 wb_data[2];
	struct bnx2x *bp = params->bp;
	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;

	u32 val = 0x14;
	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);

	/* tx control */
	val = 0xc0;
	if (!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
}

static void bnx2x_update_pfc_bmac2(struct link_params *params,
				   struct link_vars *vars,
				   u8 is_lb)
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{
	/*
	 * Set rx control: Strip CRC and enable BigMAC to relay
	 * control packets to the system as well
	 */
	u32 wb_data[2];
	struct bnx2x *bp = params->bp;
	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 val = 0x14;
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	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
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		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
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	udelay(30);
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	/* Tx control */
	val = 0xc0;
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	if (!(params->feature_config_flags &
				FEATURE_CONFIG_PFC_ENABLED) &&
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
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		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);

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

	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
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	/*
	 * Set Time (based unit is 512 bit time) between automatic
	 * re-sending of PP packets amd enable automatic re-send of
	 * Per-Priroity Packet as long as pp_gen is asserted and
	 * pp_disable is low.
	 */
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	val = 0x8000;
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	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= (1<<16); /* enable automatic re-send */

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

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/* PFC BRB internal port configuration params */
struct bnx2x_pfc_brb_threshold_val {
	u32 pause_xoff;
	u32 pause_xon;
	u32 full_xoff;
	u32 full_xon;
};

struct bnx2x_pfc_brb_e3b0_val {
	u32 full_lb_xoff_th;
	u32 full_lb_xon_threshold;
	u32 lb_guarantied;
	u32 mac_0_class_t_guarantied;
	u32 mac_0_class_t_guarantied_hyst;
	u32 mac_1_class_t_guarantied;
	u32 mac_1_class_t_guarantied_hyst;
};

struct bnx2x_pfc_brb_th_val {
	struct bnx2x_pfc_brb_threshold_val pauseable_th;
	struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
};
static int bnx2x_pfc_brb_get_config_params(
				struct link_params *params,
				struct bnx2x_pfc_brb_th_val *config_val)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
	if (CHIP_IS_E2(bp)) {
		config_val->pauseable_th.pause_xoff =
		    PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
		config_val->pauseable_th.pause_xon =
		    PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
		config_val->pauseable_th.full_xoff =
		    PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
		config_val->pauseable_th.full_xon =
		    PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
		/* non pause able*/
		config_val->non_pauseable_th.pause_xoff =
		    PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
		config_val->non_pauseable_th.pause_xon =
		    PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
		config_val->non_pauseable_th.full_xoff =
		    PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
		config_val->non_pauseable_th.full_xon =
		    PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
	} else if (CHIP_IS_E3A0(bp)) {
		config_val->pauseable_th.pause_xoff =
		    PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
		config_val->pauseable_th.pause_xon =
		    PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
		config_val->pauseable_th.full_xoff =
		    PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
		config_val->pauseable_th.full_xon =
		    PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
		/* non pause able*/
		config_val->non_pauseable_th.pause_xoff =
		    PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
		config_val->non_pauseable_th.pause_xon =
		    PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
		config_val->non_pauseable_th.full_xoff =
		    PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
		config_val->non_pauseable_th.full_xon =
		    PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
	} else if (CHIP_IS_E3B0(bp)) {
		if (params->phy[INT_PHY].flags &
		    FLAGS_4_PORT_MODE) {
			config_val->pauseable_th.pause_xoff =
			    PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
			config_val->pauseable_th.pause_xon =
			    PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
			config_val->pauseable_th.full_xoff =
			    PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
			config_val->pauseable_th.full_xon =
			    PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
			/* non pause able*/
			config_val->non_pauseable_th.pause_xoff =
			    PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
			config_val->non_pauseable_th.pause_xon =
			    PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
			config_val->non_pauseable_th.full_xoff =
			    PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
			config_val->non_pauseable_th.full_xon =
			    PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
	    } else {
		config_val->pauseable_th.pause_xoff =
		    PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
		config_val->pauseable_th.pause_xon =
		    PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
		config_val->pauseable_th.full_xoff =
		    PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
		config_val->pauseable_th.full_xon =
			PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
		/* non pause able*/
		config_val->non_pauseable_th.pause_xoff =
		    PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
		config_val->non_pauseable_th.pause_xon =
		    PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
		config_val->non_pauseable_th.full_xoff =
		    PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
		config_val->non_pauseable_th.full_xon =
		    PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
	    }
	} else
	    return -EINVAL;

	return 0;
}


static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
						 struct bnx2x_pfc_brb_e3b0_val
						 *e3b0_val,
						 u32 cos0_pauseable,
						 u32 cos1_pauseable)
{
	if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
		e3b0_val->full_lb_xoff_th =
		    PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
		e3b0_val->full_lb_xon_threshold =
		    PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
		e3b0_val->lb_guarantied =
		    PFC_E3B0_4P_LB_GUART;
		e3b0_val->mac_0_class_t_guarantied =
		    PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
		e3b0_val->mac_0_class_t_guarantied_hyst =
		    PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
		e3b0_val->mac_1_class_t_guarantied =
		    PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
		e3b0_val->mac_1_class_t_guarantied_hyst =
		    PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
	} else {
		e3b0_val->full_lb_xoff_th =
		    PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
		e3b0_val->full_lb_xon_threshold =
		    PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
		e3b0_val->mac_0_class_t_guarantied_hyst =
		    PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
		e3b0_val->mac_1_class_t_guarantied =
		    PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
		e3b0_val->mac_1_class_t_guarantied_hyst =
		    PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;

		if (cos0_pauseable != cos1_pauseable) {
			/* nonpauseable= Lossy + pauseable = Lossless*/
			e3b0_val->lb_guarantied =
			    PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
			e3b0_val->mac_0_class_t_guarantied =
			    PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
		} else if (cos0_pauseable) {
			/* Lossless +Lossless*/
			e3b0_val->lb_guarantied =
			    PFC_E3B0_2P_PAUSE_LB_GUART;
			e3b0_val->mac_0_class_t_guarantied =
			    PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
		} else {
			/* Lossy +Lossy*/
			e3b0_val->lb_guarantied =
			    PFC_E3B0_2P_NON_PAUSE_LB_GUART;
			e3b0_val->mac_0_class_t_guarantied =
			    PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
		}
	}
}
static int bnx2x_update_pfc_brb(struct link_params *params,
				struct link_vars *vars,
				struct bnx2x_nig_brb_pfc_port_params
				*pfc_params)
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{
	struct bnx2x *bp = params->bp;
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	struct bnx2x_pfc_brb_th_val config_val = { {0} };
	struct bnx2x_pfc_brb_threshold_val *reg_th_config =
	    &config_val.pauseable_th;
	struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
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	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;
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	int bnx2x_status = 0;
	u8 port = params->port;
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	/* default - pause configuration */
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	reg_th_config = &config_val.pauseable_th;
	bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
	if (0 != bnx2x_status)
		return bnx2x_status;
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	if (set_pfc && pfc_params)
		/* First COS */
1329 1330
		if (!pfc_params->cos0_pauseable)
			reg_th_config = &config_val.non_pauseable_th;
1331 1332 1333 1334
	/*
	 * The number of free blocks below which the pause signal to class 0
	 * of MAC #n is asserted. n=0,1
	 */
1335 1336 1337
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
	       BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
	       reg_th_config->pause_xoff);
1338 1339 1340 1341
	/*
	 * The number of free blocks above which the pause signal to class 0
	 * of MAC #n is de-asserted. n=0,1
	 */
1342 1343
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
	       BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
1344 1345 1346 1347
	/*
	 * The number of free blocks below which the full signal to class 0
	 * of MAC #n is asserted. n=0,1
	 */
1348 1349
	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
	       BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
1350 1351 1352 1353
	/*
	 * The number of free blocks above which the full signal to class 0
	 * of MAC #n is de-asserted. n=0,1
	 */
1354 1355
	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
	       BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
1356 1357 1358

	if (set_pfc && pfc_params) {
		/* Second COS */
1359 1360 1361 1362
		if (pfc_params->cos1_pauseable)
			reg_th_config = &config_val.pauseable_th;
		else
			reg_th_config = &config_val.non_pauseable_th;
1363
		/*
1364 1365
		 * The number of free blocks below which the pause signal to
		 * class 1 of MAC #n is asserted. n=0,1
1366 1367 1368 1369
		**/
		REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
		       BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
		       reg_th_config->pause_xoff);
1370
		/*
1371 1372
		 * The number of free blocks above which the pause signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
1373
		 */
1374 1375 1376
		REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
		       BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
		       reg_th_config->pause_xon);
1377
		/*
1378 1379
		 * The number of free blocks below which the full signal to
		 * class 1 of MAC #n is asserted. n=0,1
1380
		 */
1381 1382 1383
		REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
		       BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
		       reg_th_config->full_xoff);
1384
		/*
1385 1386
		 * The number of free blocks above which the full signal to
		 * class 1 of MAC #n is de-asserted. n=0,1
1387
		 */
1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475
		REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
		       BRB1_REG_FULL_1_XON_THRESHOLD_0,
		       reg_th_config->full_xon);


		if (CHIP_IS_E3B0(bp)) {
			/*Should be done by init tool */
			/*
			* BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
			* reset value
			* 944
			*/

			/**
			 * The hysteresis on the guarantied buffer space for the Lb port
			 * before signaling XON.
			 **/
			REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);

			bnx2x_pfc_brb_get_e3b0_config_params(
			    params,
			    &e3b0_val,
			    pfc_params->cos0_pauseable,
			    pfc_params->cos1_pauseable);
			/**
			 * The number of free blocks below which the full signal to the
			 * LB port is asserted.
			*/
			REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
				   e3b0_val.full_lb_xoff_th);
			/**
			 * The number of free blocks above which the full signal to the
			 * LB port is de-asserted.
			*/
			REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
				   e3b0_val.full_lb_xon_threshold);
			/**
			* The number of blocks guarantied for the MAC #n port. n=0,1
			*/

			/*The number of blocks guarantied for the LB port.*/
			REG_WR(bp, BRB1_REG_LB_GUARANTIED,
			       e3b0_val.lb_guarantied);

			/**
			 * The number of blocks guarantied for the MAC #n port.
			*/
			REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
				   2 * e3b0_val.mac_0_class_t_guarantied);
			REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
				   2 * e3b0_val.mac_1_class_t_guarantied);
			/**
			 * The number of blocks guarantied for class #t in MAC0. t=0,1
			*/
			REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
			       e3b0_val.mac_0_class_t_guarantied);
			REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
			       e3b0_val.mac_0_class_t_guarantied);
			/**
			 * The hysteresis on the guarantied buffer space for class in
			 * MAC0.  t=0,1
			*/
			REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
			       e3b0_val.mac_0_class_t_guarantied_hyst);
			REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
			       e3b0_val.mac_0_class_t_guarantied_hyst);

			/**
			 * The number of blocks guarantied for class #t in MAC1.t=0,1
			*/
			REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
			       e3b0_val.mac_1_class_t_guarantied);
			REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
			       e3b0_val.mac_1_class_t_guarantied);
			/**
			 * The hysteresis on the guarantied buffer space for class #t
			* in MAC1.  t=0,1
			*/
			REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
			       e3b0_val.mac_1_class_t_guarantied_hyst);
			REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
			       e3b0_val.mac_1_class_t_guarantied_hyst);

	    }

	}

	return bnx2x_status;
1476 1477
}

1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525
/******************************************************************************
* Description:
*  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
*  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
					      u8 cos_entry,
					      u32 priority_mask, u8 port)
{
	u32 nig_reg_rx_priority_mask_add = 0;

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

	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);

	return 0;
}
1526 1527 1528 1529 1530 1531 1532 1533
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;
	struct bnx2x *bp = params->bp;
1534 1535
	u8 port = params->port;

1536 1537 1538 1539
	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;
	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");

1540
	/*
1541 1542 1543 1544 1545 1546 1547
	 * 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);
1548
	/*
1549 1550 1551 1552 1553 1554 1555
	 * 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;
1556 1557 1558
		if (CHIP_IS_E3(bp))
			ppp_enable = 0;
		else
1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576
		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;
	}

1577 1578 1579
	if (CHIP_IS_E3(bp))
		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601
	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);

	if (nig_params) {
1602
		u8 i = 0;
1603 1604
		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;

1605 1606 1607
		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
			bnx2x_pfc_nig_rx_priority_mask(bp, i,
		nig_params->rx_cos_priority_mask[i], port);
1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621

		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);
}

1622
int bnx2x_update_pfc(struct link_params *params,
1623 1624 1625
		      struct link_vars *vars,
		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
1626
	/*
1627 1628 1629 1630 1631 1632
	 * 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;
1633 1634
	int bnx2x_status = 0;
	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
1635 1636 1637 1638
	/* update NIG params */
	bnx2x_update_pfc_nig(params, vars, pfc_params);

	/* update BRB params */
1639 1640 1641
	bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
	if (0 != bnx2x_status)
		return bnx2x_status;
1642 1643

	if (!vars->link_up)
1644
		return bnx2x_status;
1645 1646

	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657
	if (CHIP_IS_E3(bp))
		bnx2x_update_pfc_xmac(params, vars, 0);
	else {
		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 bnx2x_status;
		}
1658

1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671
		if (CHIP_IS_E2(bp))
			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
		else
			bnx2x_update_pfc_bmac1(params, vars);

		val = 0;
		if ((params->feature_config_flags &
		     FEATURE_CONFIG_PFC_ENABLED) ||
		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
			val = 1;
		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
	}
	return bnx2x_status;
1672
}
D
Dmitry Kravkov 已提交
1673

1674

Y
Yaniv Rosner 已提交
1675 1676 1677
static int bnx2x_bmac1_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
Y
Yaniv Rosner 已提交
1678 1679 1680 1681 1682 1683 1684 1685
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
	u32 val;

D
Dmitry Kravkov 已提交
1686
	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Y
Yaniv Rosner 已提交
1687 1688 1689 1690

	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1691 1692
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
Y
Yaniv Rosner 已提交
1693 1694 1695 1696 1697 1698 1699 1700

	/* 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]);
Y
Yaniv Rosner 已提交
1701
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Y
Yaniv Rosner 已提交
1702 1703 1704 1705 1706 1707 1708 1709 1710

	/* 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;
Y
Yaniv Rosner 已提交
1711
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Y
Yaniv Rosner 已提交
1712 1713 1714 1715

	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1716
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
1717

1718
	bnx2x_update_pfc_bmac1(params, vars);
Y
Yaniv Rosner 已提交
1719 1720 1721 1722

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1723
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
1724 1725 1726 1727

	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1728
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
1729 1730 1731 1732 1733 1734

	/* 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);
D
Dmitry Kravkov 已提交
1735 1736 1737 1738

	return 0;
}

Y
Yaniv Rosner 已提交
1739 1740 1741
static int bnx2x_bmac2_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
D
Dmitry Kravkov 已提交
1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];

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

	wb_data[0] = 0;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1753
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
1754 1755 1756 1757 1758
	udelay(30);

	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1759 1760
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
D
Dmitry Kravkov 已提交
1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771

	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,
Y
Yaniv Rosner 已提交
1772
		    wb_data, 2);
D
Dmitry Kravkov 已提交
1773 1774 1775 1776 1777 1778 1779

	udelay(30);

	/* Configure SAFC */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Y
Yaniv Rosner 已提交
1780
		    wb_data, 2);
D
Dmitry Kravkov 已提交
1781 1782 1783 1784 1785
	udelay(30);

	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1786
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
1787 1788 1789 1790 1791
	udelay(30);

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1792
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
1793 1794 1795 1796
	udelay(30);
	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1797
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
1798
	udelay(30);
1799
	bnx2x_update_pfc_bmac2(params, vars, is_lb);
D
Dmitry Kravkov 已提交
1800 1801 1802 1803

	return 0;
}

Y
Yaniv Rosner 已提交
1804 1805 1806
static int bnx2x_bmac_enable(struct link_params *params,
			     struct link_vars *vars,
			     u8 is_lb)
D
Dmitry Kravkov 已提交
1807
{
Y
Yaniv Rosner 已提交
1808 1809
	int rc = 0;
	u8 port = params->port;
D
Dmitry Kravkov 已提交
1810 1811 1812 1813
	struct bnx2x *bp = params->bp;
	u32 val;
	/* reset and unreset the BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Y
Yaniv Rosner 已提交
1814
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1815
	msleep(1);
D
Dmitry Kravkov 已提交
1816 1817

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Y
Yaniv Rosner 已提交
1818
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
D
Dmitry Kravkov 已提交
1819 1820 1821 1822 1823 1824 1825 1826 1827

	/* 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);
Y
Yaniv Rosner 已提交
1828 1829 1830 1831
	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;
1832 1833 1834
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
1835 1836 1837 1838 1839 1840 1841 1842 1843
		val = 1;
	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);

	vars->mac_type = MAC_TYPE_BMAC;
D
Dmitry Kravkov 已提交
1844
	return rc;
Y
Yaniv Rosner 已提交
1845 1846 1847 1848 1849 1850
}


static void bnx2x_update_mng(struct link_params *params, u32 link_status)
{
	struct bnx2x *bp = params->bp;
1851

Y
Yaniv Rosner 已提交
1852
	REG_WR(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
1853 1854
	       offsetof(struct shmem_region,
			port_mb[params->port].link_status), link_status);
Y
Yaniv Rosner 已提交
1855 1856 1857 1858 1859
}

static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
{
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Y
Yaniv Rosner 已提交
1860
			NIG_REG_INGRESS_BMAC0_MEM;
Y
Yaniv Rosner 已提交
1861
	u32 wb_data[2];
1862
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Y
Yaniv Rosner 已提交
1863 1864 1865 1866 1867 1868

	/* 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) {

D
Dmitry Kravkov 已提交
1869 1870 1871
		if (CHIP_IS_E2(bp)) {
			/* Clear Rx Enable bit in BMAC_CONTROL register */
			REG_RD_DMAE(bp, bmac_addr +
Y
Yaniv Rosner 已提交
1872 1873
				    BIGMAC2_REGISTER_BMAC_CONTROL,
				    wb_data, 2);
D
Dmitry Kravkov 已提交
1874 1875
			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
			REG_WR_DMAE(bp, bmac_addr +
Y
Yaniv Rosner 已提交
1876 1877
				    BIGMAC2_REGISTER_BMAC_CONTROL,
				    wb_data, 2);
D
Dmitry Kravkov 已提交
1878 1879 1880 1881 1882 1883 1884 1885 1886 1887
		} 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);
		}
Y
Yaniv Rosner 已提交
1888 1889 1890 1891
		msleep(1);
	}
}

Y
Yaniv Rosner 已提交
1892 1893
static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
			    u32 line_speed)
Y
Yaniv Rosner 已提交
1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920
{
	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;
	}

1921
	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Y
Yaniv Rosner 已提交
1922 1923 1924 1925 1926
	    line_speed == SPEED_10 ||
	    line_speed == SPEED_100 ||
	    line_speed == SPEED_1000 ||
	    line_speed == SPEED_2500) {
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Y
Yaniv Rosner 已提交
1927 1928 1929
		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
		/* update init credit */
Y
Yaniv Rosner 已提交
1930
		init_crd = 778;		/* (800-18-4) */
Y
Yaniv Rosner 已提交
1931 1932 1933 1934

	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
Y
Yaniv Rosner 已提交
1935
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Y
Yaniv Rosner 已提交
1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974
		/* 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;
}

1975 1976
/**
 * bnx2x_get_emac_base - retrive emac base address
1977
 *
1978 1979 1980
 * @bp:			driver handle
 * @mdc_mdio_access:	access type
 * @port:		port id
1981 1982 1983 1984 1985 1986 1987 1988 1989
 *
 * This function selects the MDC/MDIO access (through emac0 or
 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
 * phy has a default access mode, which could also be overridden
 * by nvram configuration. This parameter, whether this is the
 * default phy configuration, or the nvram overrun
 * configuration, is passed here as mdc_mdio_access and selects
 * the emac_base for the CL45 read/writes operations
 */
1990 1991
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
Y
Yaniv Rosner 已提交
1992
{
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
	u32 emac_base = 0;
	switch (mdc_mdio_access) {
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC1;
		else
			emac_base = GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
E
Eilon Greenstein 已提交
2004 2005 2006 2007
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2008
		break;
2009 2010 2011 2012
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
E
Eilon Greenstein 已提交
2013
		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2014 2015 2016 2017 2018 2019 2020 2021
		break;
	default:
		break;
	}
	return emac_base;

}

2022 2023 2024
/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
2025 2026
static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
			   u8 devad, u16 reg, u16 *ret_val)
Y
Yaniv Rosner 已提交
2027
{
2028 2029
	u32 val;
	u16 i;
Y
Yaniv Rosner 已提交
2030
	int rc = 0;
Y
Yaniv Rosner 已提交
2031 2032

	/* address */
2033
	val = ((phy->addr << 21) | (devad << 16) | reg |
Y
Yaniv Rosner 已提交
2034 2035
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
2036
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
2037 2038 2039 2040

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

2041 2042
		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
Y
Yaniv Rosner 已提交
2043 2044 2045 2046
			udelay(5);
			break;
		}
	}
2047 2048
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");
2049
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2050
		*ret_val = 0;
Y
Yaniv Rosner 已提交
2051 2052 2053
		rc = -EFAULT;
	} else {
		/* data */
2054 2055
		val = ((phy->addr << 21) | (devad << 16) |
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
Y
Yaniv Rosner 已提交
2056
		       EMAC_MDIO_COMM_START_BUSY);
2057
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
2058 2059 2060 2061

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

2062
			val = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
2063
				     EMAC_REG_EMAC_MDIO_COMM);
2064 2065
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
Y
Yaniv Rosner 已提交
2066 2067 2068
				break;
			}
		}
2069 2070
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "read phy register failed\n");
2071
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2072
			*ret_val = 0;
Y
Yaniv Rosner 已提交
2073 2074 2075 2076 2077 2078 2079
			rc = -EFAULT;
		}
	}

	return rc;
}

2080 2081
static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
2082
{
2083 2084
	u32 tmp;
	u8 i;
Y
Yaniv Rosner 已提交
2085
	int rc = 0;
Y
Yaniv Rosner 已提交
2086 2087

	/* address */
2088 2089

	tmp = ((phy->addr << 21) | (devad << 16) | reg |
Y
Yaniv Rosner 已提交
2090 2091
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
2092
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
2093 2094 2095 2096

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

2097 2098
		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
Y
Yaniv Rosner 已提交
2099 2100 2101 2102
			udelay(5);
			break;
		}
	}
2103 2104
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
2105
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
2106 2107 2108 2109
		rc = -EFAULT;

	} else {
		/* data */
2110 2111
		tmp = ((phy->addr << 21) | (devad << 16) | val |
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
Y
Yaniv Rosner 已提交
2112
		       EMAC_MDIO_COMM_START_BUSY);
2113
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
2114 2115 2116 2117

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

2118
			tmp = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
2119
				     EMAC_REG_EMAC_MDIO_COMM);
2120 2121
			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
				udelay(5);
Y
Yaniv Rosner 已提交
2122 2123 2124
				break;
			}
		}
2125 2126
		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "write phy register failed\n");
2127
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
2128 2129 2130 2131 2132 2133 2134 2135
			rc = -EFAULT;
		}
	}


	return rc;
}

Y
Yaniv Rosner 已提交
2136 2137
int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 *ret_val)
Y
Yaniv Rosner 已提交
2138 2139
{
	u8 phy_index;
2140
	/*
Y
Yaniv Rosner 已提交
2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153
	 * Probe for the phy according to the given phy_addr, and execute
	 * the read request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_read(params->bp,
					       &params->phy[phy_index], devad,
					       reg, ret_val);
		}
	}
	return -EINVAL;
}

Y
Yaniv Rosner 已提交
2154 2155
int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
2156 2157
{
	u8 phy_index;
2158
	/*
Y
Yaniv Rosner 已提交
2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171
	 * 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;
}

Y
Yaniv Rosner 已提交
2172 2173
static void bnx2x_set_aer_mmd(struct link_params *params,
			      struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
2174 2175
{
	u32 ser_lane;
D
Dmitry Kravkov 已提交
2176 2177
	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2178 2179 2180 2181
	ser_lane = ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

Y
Yaniv Rosner 已提交
2182 2183 2184
	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;

D
Dmitry Kravkov 已提交
2185
	if (CHIP_IS_E2(bp))
2186
		aer_val = 0x3800 + offset - 1;
D
Dmitry Kravkov 已提交
2187 2188
	else
		aer_val = 0x3800 + offset;
Y
Yaniv Rosner 已提交
2189
	DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
Y
Yaniv Rosner 已提交
2190
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Y
Yaniv Rosner 已提交
2191
			  MDIO_AER_BLOCK_AER_REG, aer_val);
Y
Yaniv Rosner 已提交
2192

Y
Yaniv Rosner 已提交
2193 2194
}

Y
Yaniv Rosner 已提交
2195 2196 2197
/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
2198

Y
Yaniv Rosner 已提交
2199 2200 2201
static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
{
	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Y
Yaniv Rosner 已提交
2202

Y
Yaniv Rosner 已提交
2203 2204 2205 2206 2207 2208 2209 2210
	/* Set Clause 22 */
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
	udelay(500);
	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
	udelay(500);
	 /* Set Clause 45 */
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
Y
Yaniv Rosner 已提交
2211 2212
}

Y
Yaniv Rosner 已提交
2213
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
Y
Yaniv Rosner 已提交
2214
{
Y
Yaniv Rosner 已提交
2215
	u32 val;
Y
Yaniv Rosner 已提交
2216

Y
Yaniv Rosner 已提交
2217
	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
Y
Yaniv Rosner 已提交
2218

Y
Yaniv Rosner 已提交
2219
	val = SERDES_RESET_BITS << (port*16);
E
Eilon Greenstein 已提交
2220

Y
Yaniv Rosner 已提交
2221 2222 2223 2224
	/* 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);
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}

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);

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

2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
{
	struct bnx2x *bp = params->bp;
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
	/**
	 * resolve pause mode and advertisement Please refer to Table
	 * 28B-3 of the 802.3ab-1999 spec
	 */

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

	case BNX2X_FLOW_CTRL_TX:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

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

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

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

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

		params->phy[actual_phy_idx].speed_cap_mask =
			params->speed_cap_mask[link_cfg_idx];
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2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417
		params->phy[actual_phy_idx].req_duplex =
			params->req_duplex[link_cfg_idx];

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

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

static void bnx2x_ext_phy_set_pause(struct link_params *params,
				    struct bnx2x_phy *phy,
				    struct link_vars *vars)
{
	u16 val;
	struct bnx2x *bp = params->bp;
	/* read modify write pause advertizing */
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);

	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;

	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
	}
	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}

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

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

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

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

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;
}
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void bnx2x_link_status_update(struct link_params *params,
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			      struct link_vars *vars)
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{
	struct bnx2x *bp = params->bp;
2422
	u8 link_10g_plus;
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	u8 port = params->port;
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	u32 sync_offset, media_types;
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	/* Update PHY configuration */
	set_phy_vars(params, vars);

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	vars->link_status = REG_RD(bp, params->shmem_base +
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				   offsetof(struct shmem_region,
					    port_mb[port].link_status));
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	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
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	vars->phy_flags = PHY_XGXS_FLAG;
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	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 &
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			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
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			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;

			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 */
2496 2497 2498 2499 2500 2501
		link_10g_plus = (vars->line_speed >= SPEED_10000);

		if (link_10g_plus) {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_XMAC;
			else
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			vars->mac_type = MAC_TYPE_BMAC;
2503 2504 2505
		} else {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_UMAC;
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		else
			vars->mac_type = MAC_TYPE_EMAC;
2508
		}
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	} 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;
	}

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2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538
	/* Sync media type */
	sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].media_type);
	media_types = REG_RD(bp, sync_offset);

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

2539 2540 2541 2542 2543 2544 2545 2546 2547
	/* Sync AEU offset */
	sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].aeu_int_mask);

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

	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
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	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;
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	ser_lane = ((params->lane_config &
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		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
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		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
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	/* set the master_ln for AN */
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	CL22_RD_OVER_CL45(bp, phy,
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			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
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	CL22_WR_OVER_CL45(bp, phy,
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			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
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}

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static int bnx2x_reset_unicore(struct link_params *params,
			       struct bnx2x_phy *phy,
			       u8 set_serdes)
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{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
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	CL22_RD_OVER_CL45(bp, phy,
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			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
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	/* reset the unicore */
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	CL22_WR_OVER_CL45(bp, phy,
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			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
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	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 */
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		CL22_RD_OVER_CL45(bp, phy,
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				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
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		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
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2610 2611 2612
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
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	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;
2622 2623 2624 2625
	/*
	 *  Each two bits represents a lane number:
	 *  No swap is 0123 => 0x1b no need to enable the swap
	 */
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	u16 ser_lane, rx_lane_swap, tx_lane_swap;

	ser_lane = ((params->lane_config &
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		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
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	rx_lane_swap = ((params->lane_config &
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			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
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	tx_lane_swap = ((params->lane_config &
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			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
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	if (rx_lane_swap != 0x1b) {
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		CL22_WR_OVER_CL45(bp, phy,
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				  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));
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	} else {
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		CL22_WR_OVER_CL45(bp, phy,
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				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
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	}

	if (tx_lane_swap != 0x1b) {
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		CL22_WR_OVER_CL45(bp, phy,
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				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
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	} else {
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		CL22_WR_OVER_CL45(bp, phy,
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				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
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	}
}

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static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
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{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
Yaniv Rosner 已提交
2669
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2670 2671 2672
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
2673
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
Yaniv Rosner 已提交
2674 2675 2676
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
2677 2678
	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
2679
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2680 2681 2682
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
Yaniv Rosner 已提交
2683

Y
Yaniv Rosner 已提交
2684
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
2685
	     (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2686
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
2687 2688
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
2689
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2690 2691 2692
				 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
2693

Y
Yaniv Rosner 已提交
2694
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2695 2696 2697
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);
Y
Yaniv Rosner 已提交
2698 2699 2700 2701 2702


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
Yaniv Rosner 已提交
2703
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2704 2705 2706
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
Yaniv Rosner 已提交
2707 2708

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
2709
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2710 2711 2712 2713
				  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
2714 2715 2716
	}
}

Y
Yaniv Rosner 已提交
2717 2718
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
2719 2720
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
Yaniv Rosner 已提交
2721 2722 2723 2724 2725
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
Yaniv Rosner 已提交
2726
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2727 2728
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
2729 2730

	/* CL37 Autoneg Enabled */
Y
Yaniv Rosner 已提交
2731
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
2732 2733 2734 2735 2736
		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
2737
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2738 2739
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
2740 2741 2742

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
2743
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2744 2745
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
2746 2747 2748
	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
2749
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
2750 2751 2752 2753
		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
2754
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2755 2756
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
2757 2758

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
2759
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2760 2761
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
2762
			  &reg_val);
Y
Yaniv Rosner 已提交
2763
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
2764 2765 2766 2767 2768 2769 2770 2771
		/* 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
2772
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2773 2774 2775
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
2776

2777 2778
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
2779
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2780 2781 2782
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
2783 2784

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
2785
		CL22_WR_OVER_CL45(bp, phy,
2786 2787 2788 2789 2790 2791
			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
2792
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
2793
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2794 2795 2796
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
2797
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2798 2799
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
2800
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
2801 2802
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
2803

Y
Yaniv Rosner 已提交
2804
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2805 2806 2807
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
2808 2809 2810 2811 2812 2813

		/* 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
2814

Y
Yaniv Rosner 已提交
2815
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2816 2817
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
2818 2819 2820
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
2821 2822
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
2823
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
2824 2825 2826 2827
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

2828
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
2829
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2830 2831
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
2832
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
2833 2834
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
2835
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
2836
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
2837
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2838 2839
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
2840

2841 2842 2843 2844
	/*
	 * program speed
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
2845
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2846 2847
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
2848 2849 2850 2851 2852 2853 2854 2855 2856 2857
	/* 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
2858 2859
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
2860
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
2861 2862
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
2863
		if (vars->line_speed == SPEED_13000)
Y
Yaniv Rosner 已提交
2864 2865
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Y
Yaniv Rosner 已提交
2866 2867
	}

Y
Yaniv Rosner 已提交
2868
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2869 2870
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
2871

Y
Yaniv Rosner 已提交
2872 2873
}

2874 2875
static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params)
Y
Yaniv Rosner 已提交
2876 2877 2878 2879 2880 2881 2882
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
2883
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
2884
		val |= MDIO_OVER_1G_UP1_2_5G;
2885
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
2886
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
2887
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2888 2889
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
2890

Y
Yaniv Rosner 已提交
2891
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2892 2893
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
2894 2895
}

2896 2897 2898
static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params,
					      u16 ieee_fc)
Y
Yaniv Rosner 已提交
2899 2900
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2901
	u16 val;
Y
Yaniv Rosner 已提交
2902
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
2903

Y
Yaniv Rosner 已提交
2904
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2905 2906
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
2907
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2908 2909
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
2910 2911
	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
2912
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2913 2914
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
2915 2916
}

Y
Yaniv Rosner 已提交
2917 2918 2919
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
2920 2921
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2922
	u16 mii_control;
2923

Y
Yaniv Rosner 已提交
2924
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
2925
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
2926

2927
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
2928
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2929 2930 2931
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
2932

Y
Yaniv Rosner 已提交
2933
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2934 2935 2936 2937 2938
				  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));
2939 2940
	} else {

Y
Yaniv Rosner 已提交
2941
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2942 2943 2944
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
2945 2946 2947
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
2948
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2949 2950 2951 2952 2953
				  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));
2954
	}
Y
Yaniv Rosner 已提交
2955 2956
}

Y
Yaniv Rosner 已提交
2957 2958
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
2959
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
2960 2961 2962 2963 2964 2965
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
2966
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2967 2968 2969
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
Y
Yaniv Rosner 已提交
2970 2971 2972 2973 2974
	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
2975
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2976 2977 2978
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
2979 2980

	/* if forced speed */
Y
Yaniv Rosner 已提交
2981
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
2982 2983 2984
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
2985
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
2986 2987 2988
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
2989 2990 2991 2992
		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);

Y
Yaniv Rosner 已提交
2993
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006
		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
3007 3008
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
3009 3010 3011 3012
			break;
		}

		/* setting the full duplex */
3013
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
3014 3015
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
3016
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3017 3018 3019
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
3020 3021 3022

	} else { /* AN mode */
		/* enable and restart AN */
Y
Yaniv Rosner 已提交
3023
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
3024 3025 3026 3027 3028 3029 3030 3031
	}
}


/*
 * link management
 */

Y
Yaniv Rosner 已提交
3032 3033
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					     struct link_params *params)
3034 3035 3036
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
3037 3038
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
3039
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3040 3041 3042
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
3043
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3044 3045 3046
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
3047 3048 3049 3050 3051 3052
	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}

Y
Yaniv Rosner 已提交
3053
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3054 3055 3056
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
3057 3058 3059 3060 3061 3062 3063 3064

	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}
	return 0;
}
Y
Yaniv Rosner 已提交
3065

Y
Yaniv Rosner 已提交
3066 3067 3068 3069
static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars,
				    u32 gp_status)
Y
Yaniv Rosner 已提交
3070 3071
{
	struct bnx2x *bp = params->bp;
3072 3073
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
Y
Yaniv Rosner 已提交
3074 3075
	u16 pause_result;

3076
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
3077 3078

	/* resolve from gp_status in case of AN complete and not sgmii */
3079 3080 3081 3082 3083 3084
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
		vars->flow_ctrl = phy->req_flow_ctrl;
	else if (phy->req_line_speed != SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Y
Yaniv Rosner 已提交
3085
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
3086 3087 3088
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
Y
Yaniv Rosner 已提交
3089 3090 3091 3092 3093 3094
		if ((gp_status &
		    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
		     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
		    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
		     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {

Y
Yaniv Rosner 已提交
3095
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3096 3097 3098
					  MDIO_REG_BANK_CL73_IEEEB1,
					  MDIO_CL73_IEEEB1_AN_ADV1,
					  &ld_pause);
Y
Yaniv Rosner 已提交
3099
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3100 3101 3102
					  MDIO_REG_BANK_CL73_IEEEB1,
					  MDIO_CL73_IEEEB1_AN_LP_ADV1,
					  &lp_pause);
Y
Yaniv Rosner 已提交
3103 3104 3105 3106 3107 3108 3109 3110 3111
			pause_result = (ld_pause &
					MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
					>> 8;
			pause_result |= (lp_pause &
					MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
					>> 10;
			DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
				 pause_result);
		} else {
Y
Yaniv Rosner 已提交
3112
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3113 3114 3115
					  MDIO_REG_BANK_COMBO_IEEE0,
					  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
					  &ld_pause);
Y
Yaniv Rosner 已提交
3116
			CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3117 3118 3119
				MDIO_REG_BANK_COMBO_IEEE0,
				MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
				&lp_pause);
Y
Yaniv Rosner 已提交
3120
			pause_result = (ld_pause &
Y
Yaniv Rosner 已提交
3121
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Y
Yaniv Rosner 已提交
3122
			pause_result |= (lp_pause &
Y
Yaniv Rosner 已提交
3123
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Y
Yaniv Rosner 已提交
3124 3125 3126
			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
				 pause_result);
		}
Y
Yaniv Rosner 已提交
3127 3128 3129 3130 3131
		bnx2x_pause_resolve(vars, pause_result);
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
3132 3133
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
3134 3135
{
	struct bnx2x *bp = params->bp;
3136
	u16 rx_status, ustat_val, cl37_fsm_received;
3137 3138
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
3139
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3140 3141 3142
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
3143 3144 3145 3146
	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
3147
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3148 3149 3150
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
3151 3152 3153
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
3154
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3155 3156 3157
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
3158 3159 3160 3161 3162 3163 3164 3165 3166
	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;
	}
3167 3168 3169 3170
	/*
	 * Step 3: Check CL37 Message Pages received to indicate LP
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
3171
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3172 3173
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
3174 3175
			  &cl37_fsm_received);
	if ((cl37_fsm_received &
3176 3177 3178 3179 3180 3181
	     (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",
3182
			 cl37_fsm_received);
3183 3184
		return;
	}
3185 3186 3187 3188 3189 3190 3191
	/*
	 * 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
	 */

3192
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
3193
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3194 3195 3196
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
3197
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
3198
	bnx2x_restart_autoneg(phy, params, 0);
3199 3200
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215

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
3216 3217 3218
static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
3219 3220
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3221
	u16 new_line_speed, gp_status;
Y
Yaniv Rosner 已提交
3222
	int rc = 0;
3223

Y
Yaniv Rosner 已提交
3224
	/* Read gp_status */
Y
Yaniv Rosner 已提交
3225
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3226 3227 3228
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
3229

3230 3231
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Y
Yaniv Rosner 已提交
3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243
	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;

3244 3245 3246 3247 3248 3249
		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
3250 3251 3252

		switch (gp_status & GP_STATUS_SPEED_MASK) {
		case GP_STATUS_10M:
E
Eilon Greenstein 已提交
3253
			new_line_speed = SPEED_10;
Y
Yaniv Rosner 已提交
3254 3255 3256 3257 3258 3259 3260
			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
3261
			new_line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
3262 3263 3264 3265 3266 3267 3268 3269
			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
3270
			new_line_speed = SPEED_1000;
Y
Yaniv Rosner 已提交
3271 3272 3273 3274 3275 3276 3277
			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
3278
			new_line_speed = SPEED_2500;
Y
Yaniv Rosner 已提交
3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290
			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;
3291

Y
Yaniv Rosner 已提交
3292 3293 3294
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
E
Eilon Greenstein 已提交
3295
			new_line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
3296 3297 3298 3299 3300 3301 3302
			vars->link_status |= LINK_10GTFD;
			break;

		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
				  gp_status);
3303
			return -EINVAL;
Y
Yaniv Rosner 已提交
3304 3305
		}

E
Eilon Greenstein 已提交
3306
		vars->line_speed = new_line_speed;
Y
Yaniv Rosner 已提交
3307 3308 3309 3310 3311

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

		vars->phy_link_up = 0;
3312

Y
Yaniv Rosner 已提交
3313
		vars->duplex = DUPLEX_FULL;
3314
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
3315
		vars->mac_type = MAC_TYPE_NONE;
3316

3317 3318
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
3319
			/* Check signal is detected */
3320
			bnx2x_check_fallback_to_cl37(phy, params);
3321
		}
Y
Yaniv Rosner 已提交
3322 3323
	}

3324
	DP(NETIF_MSG_LINK, "gp_status 0x%x  phy_link_up %x line_speed %x\n",
Y
Yaniv Rosner 已提交
3325
		 gp_status, vars->phy_link_up, vars->line_speed);
Y
Yaniv Rosner 已提交
3326 3327
	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
3328 3329 3330
	return rc;
}

E
Eilon Greenstein 已提交
3331
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
3332 3333
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3334
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
3335 3336
	u16 lp_up2;
	u16 tx_driver;
3337
	u16 bank;
Y
Yaniv Rosner 已提交
3338 3339

	/* read precomp */
Y
Yaniv Rosner 已提交
3340
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3341 3342
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
3343 3344 3345 3346 3347 3348

	/* 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);

3349 3350 3351 3352 3353
	if (lp_up2 == 0)
		return;

	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Y
Yaniv Rosner 已提交
3354
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3355 3356
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
3357 3358 3359 3360 3361 3362

		/* replace tx_driver bits [15:12] */
		if (lp_up2 !=
		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
			tx_driver |= lp_up2;
Y
Yaniv Rosner 已提交
3363
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3364 3365
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
3366
		}
Y
Yaniv Rosner 已提交
3367 3368 3369
	}
}

Y
Yaniv Rosner 已提交
3370 3371
static int bnx2x_emac_program(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
3372 3373 3374 3375 3376 3377 3378
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u16 mode = 0;

	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
Y
Yaniv Rosner 已提交
3379 3380 3381 3382
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
3383
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401
	case SPEED_10:
		mode |= EMAC_MODE_PORT_MII_10M;
		break;

	case SPEED_100:
		mode |= EMAC_MODE_PORT_MII;
		break;

	case SPEED_1000:
		mode |= EMAC_MODE_PORT_GMII;
		break;

	case SPEED_2500:
		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
		break;

	default:
		/* 10G not valid for EMAC */
Y
Yaniv Rosner 已提交
3402 3403
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
3404 3405 3406
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
3407
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
3408 3409
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
3410 3411
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
3412

3413
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
3414 3415 3416
	return 0;
}

Y
Yaniv Rosner 已提交
3417 3418
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
3419
{
Y
Yaniv Rosner 已提交
3420 3421 3422 3423 3424 3425

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

	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Y
Yaniv Rosner 已提交
3426
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3427 3428 3429 3430 3431 3432 3433
					  bank,
					  MDIO_RX0_RX_EQ_BOOST,
					  phy->rx_preemphasis[i]);
	}

	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Y
Yaniv Rosner 已提交
3434
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
3435 3436 3437 3438 3439 3440
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

Y
Yaniv Rosner 已提交
3441 3442 3443
static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456
{
	struct bnx2x *bp = params->bp;
	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
			  (params->loopback_mode == LOOPBACK_XGXS));
	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
		if (SINGLE_MEDIA_DIRECT(params) &&
		    (params->feature_config_flags &
		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
			bnx2x_set_preemphasis(phy, params);

		/* forced speed requested? */
		if (vars->line_speed != SPEED_AUTO_NEG ||
		    (SINGLE_MEDIA_DIRECT(params) &&
Y
Yaniv Rosner 已提交
3457
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469
			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 */
3470
			bnx2x_set_brcm_cl37_advertisement(phy, params);
Y
Yaniv Rosner 已提交
3471 3472

			/* program duplex & pause advertisement (for aneg) */
3473 3474
			bnx2x_set_ieee_aneg_advertisement(phy, params,
							  vars->ieee_fc);
Y
Yaniv Rosner 已提交
3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489

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

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

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

		bnx2x_initialize_sgmii_process(phy, params, vars);
	}
}

Y
Yaniv Rosner 已提交
3490 3491 3492
static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
Y
Yaniv Rosner 已提交
3493
{
Y
Yaniv Rosner 已提交
3494
	int rc;
Y
Yaniv Rosner 已提交
3495
	vars->phy_flags |= PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
3496 3497 3498 3499 3500 3501 3502
	if ((phy->req_line_speed &&
	     ((phy->req_line_speed == SPEED_100) ||
	      (phy->req_line_speed == SPEED_10))) ||
	    (!phy->req_line_speed &&
	     (phy->speed_cap_mask >=
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
	     (phy->speed_cap_mask <
Y
Yaniv Rosner 已提交
3503 3504
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Y
Yaniv Rosner 已提交
3505 3506 3507 3508 3509
		vars->phy_flags |= PHY_SGMII_FLAG;
	else
		vars->phy_flags &= ~PHY_SGMII_FLAG;

	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
3510 3511 3512
	bnx2x_set_aer_mmd(params, phy);
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
		bnx2x_set_master_ln(params, phy);
Y
Yaniv Rosner 已提交
3513 3514 3515 3516 3517 3518

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

Y
Yaniv Rosner 已提交
3519
	bnx2x_set_aer_mmd(params, phy);
Y
Yaniv Rosner 已提交
3520
	/* setting the masterLn_def again after the reset */
Y
Yaniv Rosner 已提交
3521 3522 3523 3524
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
		bnx2x_set_master_ln(params, phy);
		bnx2x_set_swap_lanes(params, phy);
	}
Y
Yaniv Rosner 已提交
3525 3526 3527

	return rc;
}
3528

Y
Yaniv Rosner 已提交
3529
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
3530 3531
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
3532
{
Y
Yaniv Rosner 已提交
3533
	u16 cnt, ctrl;
L
Lucas De Marchi 已提交
3534
	/* Wait for soft reset to get cleared up to 1 sec */
Y
Yaniv Rosner 已提交
3535 3536 3537 3538 3539 3540 3541
	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);
	}
3542 3543 3544 3545 3546

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
3547 3548
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
3549 3550
}

Y
Yaniv Rosner 已提交
3551
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
3552
{
Y
Yaniv Rosner 已提交
3553 3554 3555
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
3556

3557
	/* Setting the status to report on link up for either XGXS or SerDes */
Y
Yaniv Rosner 已提交
3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592
	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
3593 3594
}

Y
Yaniv Rosner 已提交
3595 3596
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
3597
{
Y
Yaniv Rosner 已提交
3598 3599
	u32 latch_status = 0;

3600
	/*
Y
Yaniv Rosner 已提交
3601 3602 3603
	 * 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
3604 3605 3606
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
3607 3608
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
3609
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620
	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
3621
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
3622

Y
Yaniv Rosner 已提交
3623 3624
		/* For all latched-signal=up : Re-Arm Latch signals */
		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Y
Yaniv Rosner 已提交
3625
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
3626
	}
Y
Yaniv Rosner 已提交
3627
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
3628 3629
}

Y
Yaniv Rosner 已提交
3630
static void bnx2x_link_int_ack(struct link_params *params,
Y
Yaniv Rosner 已提交
3631
			       struct link_vars *vars, u8 is_10g)
3632
{
Y
Yaniv Rosner 已提交
3633
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3634
	u8 port = params->port;
Y
Yaniv Rosner 已提交
3635

3636 3637 3638 3639
	/*
	 * First reset all status we assume only one line will be
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
3640
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
3641 3642 3643
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
3644 3645
	if (vars->phy_link_up) {
		if (is_10g) {
3646 3647 3648
			/*
			 * Disable the 10G link interrupt by writing 1 to the
			 * status register
Y
Yaniv Rosner 已提交
3649 3650 3651 3652 3653
			 */
			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);
3654

Y
Yaniv Rosner 已提交
3655
		} else if (params->switch_cfg == SWITCH_CFG_10G) {
3656 3657 3658
			/*
			 * Disable the link interrupt by writing 1 to the
			 * relevant lane in the status register
Y
Yaniv Rosner 已提交
3659 3660 3661 3662
			 */
			u32 ser_lane = ((params->lane_config &
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3663

Y
Yaniv Rosner 已提交
3664 3665 3666 3667 3668 3669
			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
3670

Y
Yaniv Rosner 已提交
3671 3672
		} else { /* SerDes */
			DP(NETIF_MSG_LINK, "SerDes phy link up\n");
3673 3674 3675
			/*
			 * Disable the link interrupt by writing 1 to the status
			 * register
Y
Yaniv Rosner 已提交
3676 3677 3678 3679 3680
			 */
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_SERDES0_LINK_STATUS);
		}
Y
Yaniv Rosner 已提交
3681 3682 3683 3684

	}
}

Y
Yaniv Rosner 已提交
3685
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
3686 3687 3688 3689 3690
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
3691
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
3692 3693 3694
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
3695
		(*len)--;
Y
Yaniv Rosner 已提交
3696
		return -EINVAL;
Y
Yaniv Rosner 已提交
3697
	}
Y
Yaniv Rosner 已提交
3698
	while (shift > 0) {
Y
Yaniv Rosner 已提交
3699

Y
Yaniv Rosner 已提交
3700 3701
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
3702 3703 3704 3705
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
3706 3707 3708
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
3709
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
3710
		str_ptr++;
Y
Yaniv Rosner 已提交
3711
		(*len)--;
Y
Yaniv Rosner 已提交
3712 3713
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
3714
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
3715
			str_ptr++;
Y
Yaniv Rosner 已提交
3716 3717
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
3718 3719
		}
	}
Y
Yaniv Rosner 已提交
3720
	return 0;
Y
Yaniv Rosner 已提交
3721 3722
}

Y
Yaniv Rosner 已提交
3723

Y
Yaniv Rosner 已提交
3724
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
3725
{
Y
Yaniv Rosner 已提交
3726 3727 3728 3729
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
3730

Y
Yaniv Rosner 已提交
3731 3732
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
				 u8 *version, u16 len)
Y
Yaniv Rosner 已提交
3733 3734 3735
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
Y
Yaniv Rosner 已提交
3736
	int status = 0;
Y
Yaniv Rosner 已提交
3737
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
3738
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
3739 3740 3741
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
3742

Y
Yaniv Rosner 已提交
3743 3744 3745
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
3746

Y
Yaniv Rosner 已提交
3747
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
3748 3749
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
3750 3751 3752 3753 3754
							      &remain_len);
		ver_p += (len - remain_len);
	}
	if ((params->num_phys == MAX_PHYS) &&
	    (params->phy[EXT_PHY2].ver_addr != 0)) {
Y
Yaniv Rosner 已提交
3755
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767
		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
3768
	return status;
Y
Yaniv Rosner 已提交
3769
}
Y
Yaniv Rosner 已提交
3770

Y
Yaniv Rosner 已提交
3771 3772
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
3773
{
Y
Yaniv Rosner 已提交
3774
	u8 port = params->port;
E
Eilon Greenstein 已提交
3775 3776
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
3777 3778
	if (phy->req_line_speed != SPEED_1000) {
		u32 md_devad;
E
Eilon Greenstein 已提交
3779

Y
Yaniv Rosner 已提交
3780
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
3781

Y
Yaniv Rosner 已提交
3782 3783
		/* change the uni_phy_addr in the nig */
		md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
Y
Yaniv Rosner 已提交
3784
				       port*0x18));
3785

Y
Yaniv Rosner 已提交
3786
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
E
Eilon Greenstein 已提交
3787

Y
Yaniv Rosner 已提交
3788
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3789 3790 3791 3792
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
3793

Y
Yaniv Rosner 已提交
3794
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3795 3796 3797 3798
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
3799 3800
		msleep(200);
		/* set aer mmd back */
Y
Yaniv Rosner 已提交
3801
		bnx2x_set_aer_mmd(params, phy);
E
Eilon Greenstein 已提交
3802

Y
Yaniv Rosner 已提交
3803
		/* and md_devad */
Y
Yaniv Rosner 已提交
3804
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
Y
Yaniv Rosner 已提交
3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817
	} 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
3818 3819
}

Y
Yaniv Rosner 已提交
3820 3821
int bnx2x_set_led(struct link_params *params,
		  struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
3822
{
Y
Yaniv Rosner 已提交
3823 3824
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
Yaniv Rosner 已提交
3825 3826
	int rc = 0;
	u8 phy_idx;
Y
Yaniv Rosner 已提交
3827 3828
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
3829
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3830 3831 3832
	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);
3833 3834 3835 3836 3837 3838 3839 3840
	/* 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
3841
	switch (mode) {
3842
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
3843 3844 3845
	case LED_MODE_OFF:
		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
Y
Yaniv Rosner 已提交
3846
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
3847

Y
Yaniv Rosner 已提交
3848 3849 3850
		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
3851

Y
Yaniv Rosner 已提交
3852
	case LED_MODE_OPER:
3853
		/*
3854 3855
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
3856
		 */
3857 3858 3859
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
3860 3861 3862 3863
		if (((params->phy[EXT_PHY1].type ==
			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
			 (params->phy[EXT_PHY1].type ==
			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
3864
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
3865 3866 3867
			/*
			 * This is a work-around for E2+8727 Configurations
			 */
3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878
			if (mode == LED_MODE_ON ||
				speed == SPEED_10000){
				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);

				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
				EMAC_WR(bp, EMAC_REG_EMAC_LED,
					(tmp | EMAC_LED_OVERRIDE));
				return rc;
			}
		} else if (SINGLE_MEDIA_DIRECT(params)) {
3879 3880 3881 3882
			/*
			 * This is a work-around for HW issue found when link
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
3883 3884 3885
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
		} else {
Y
Yaniv Rosner 已提交
3886
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
Y
Yaniv Rosner 已提交
3887
		}
E
Eilon Greenstein 已提交
3888

Y
Yaniv Rosner 已提交
3889
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
3890 3891
		/* Set blinking rate to ~15.9Hz */
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
Y
Yaniv Rosner 已提交
3892
		       LED_BLINK_RATE_VAL);
Y
Yaniv Rosner 已提交
3893
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
3894
		       port*4, 1);
Y
Yaniv Rosner 已提交
3895
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
3896
		EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
E
Eilon Greenstein 已提交
3897

Y
Yaniv Rosner 已提交
3898 3899 3900 3901 3902
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
3903 3904 3905 3906
			/*
			 * On Everest 1 Ax chip versions for speeds less than
			 * 10G LED scheme is different
			 */
Y
Yaniv Rosner 已提交
3907
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
3908
			       + port*4, 1);
Y
Yaniv Rosner 已提交
3909
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
3910
			       port*4, 0);
Y
Yaniv Rosner 已提交
3911
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
3912
			       port*4, 1);
Y
Yaniv Rosner 已提交
3913 3914
		}
		break;
E
Eilon Greenstein 已提交
3915

Y
Yaniv Rosner 已提交
3916 3917 3918 3919 3920
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
3921
	}
Y
Yaniv Rosner 已提交
3922
	return rc;
E
Eilon Greenstein 已提交
3923

E
Eilon Greenstein 已提交
3924 3925
}

3926
/*
Y
Yaniv Rosner 已提交
3927 3928 3929
 * This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
Y
Yaniv Rosner 已提交
3930 3931
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		    u8 is_serdes)
E
Eilon Greenstein 已提交
3932 3933
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3934
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
3935 3936
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
E
Eilon Greenstein 已提交
3937

Y
Yaniv Rosner 已提交
3938
	CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
Y
Yaniv Rosner 已提交
3939 3940 3941
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yaniv Rosner 已提交
3942
	/* link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955
	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
3956 3957
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
3958 3959 3960
			serdes_phy_type = ((params->phy[phy_index].media_type ==
					    ETH_PHY_SFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
Y
Yaniv Rosner 已提交
3961 3962 3963
					    ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_DA_TWINAX));
Y
Yaniv Rosner 已提交
3964 3965 3966 3967 3968

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
3969 3970 3971
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
3972
			}
Y
Yaniv Rosner 已提交
3973
		}
Y
Yaniv Rosner 已提交
3974
		break;
E
Eilon Greenstein 已提交
3975
	}
Y
Yaniv Rosner 已提交
3976 3977
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
3978 3979
	return -ESRCH;
}
E
Eilon Greenstein 已提交
3980

Y
Yaniv Rosner 已提交
3981 3982
static int bnx2x_link_initialize(struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
3983
{
Y
Yaniv Rosner 已提交
3984
	int rc = 0;
Y
Yaniv Rosner 已提交
3985 3986
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
3987 3988 3989 3990 3991 3992
	/*
	 * In case of external phy existence, the line speed would be the
	 * line speed linked up by the external phy. In case it is direct
	 * only, then the line_speed during initialization will be
	 * equal to the req_line_speed
	 */
Y
Yaniv Rosner 已提交
3993
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
3994

3995
	/*
Y
Yaniv Rosner 已提交
3996 3997 3998 3999
	 * 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
4000

Y
Yaniv Rosner 已提交
4001
	bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
4002 4003 4004
	/* 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
4005

Y
Yaniv Rosner 已提交
4006 4007 4008 4009 4010 4011
	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);
Y
Yaniv Rosner 已提交
4012 4013 4014 4015
			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(phy,
								 params,
								 vars);
E
Eilon Greenstein 已提交
4016 4017
	}

Y
Yaniv Rosner 已提交
4018
	/* Init external phy*/
Y
Yaniv Rosner 已提交
4019 4020 4021 4022 4023
	if (non_ext_phy) {
		if (params->phy[INT_PHY].supported &
		    SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
	} else {
Y
Yaniv Rosner 已提交
4024 4025
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
4026
			/*
Y
Yaniv Rosner 已提交
4027 4028 4029 4030
			 * 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.
4031
			 */
Y
Yaniv Rosner 已提交
4032 4033 4034 4035
			if (params->phy[phy_index].supported &
			    SUPPORTED_FIBRE)
				vars->link_status |= LINK_STATUS_SERDES_LINK;

Y
Yaniv Rosner 已提交
4036 4037 4038
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
4039 4040
				DP(NETIF_MSG_LINK, "Not initializing"
						" second phy\n");
Y
Yaniv Rosner 已提交
4041 4042
				continue;
			}
Y
Yaniv Rosner 已提交
4043 4044 4045 4046
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
Y
Yaniv Rosner 已提交
4047
	}
Y
Yaniv Rosner 已提交
4048 4049 4050 4051 4052 4053 4054
	/* 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));
Y
Yaniv Rosner 已提交
4055
	bnx2x_update_mng(params, vars->link_status);
Y
Yaniv Rosner 已提交
4056 4057
	return rc;
}
E
Eilon Greenstein 已提交
4058

Y
Yaniv Rosner 已提交
4059 4060 4061 4062
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
4063 4064
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
4065 4066
}

Y
Yaniv Rosner 已提交
4067 4068
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
4069
{
Y
Yaniv Rosner 已提交
4070 4071 4072
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
4073 4074 4075 4076
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
4077
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
4078 4079
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
4080
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
4081 4082
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
4083
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
4084
}
E
Eilon Greenstein 已提交
4085

Y
Yaniv Rosner 已提交
4086 4087
static int bnx2x_update_link_down(struct link_params *params,
				  struct link_vars *vars)
E
Eilon Greenstein 已提交
4088 4089
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4090
	u8 port = params->port;
E
Eilon Greenstein 已提交
4091

Y
Yaniv Rosner 已提交
4092
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
4093
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
E
Eilon Greenstein 已提交
4094

Y
Yaniv Rosner 已提交
4095 4096
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
4097

Y
Yaniv Rosner 已提交
4098
	/* update shared memory */
Y
Yaniv Rosner 已提交
4099 4100 4101 4102 4103 4104
	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
			       LINK_STATUS_LINK_UP |
			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
Y
Yaniv Rosner 已提交
4105 4106
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
4107

Y
Yaniv Rosner 已提交
4108 4109
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
4110

Y
Yaniv Rosner 已提交
4111
	/* disable emac */
4112 4113
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
4114 4115

	msleep(10);
4116 4117 4118 4119 4120 4121
	/* reset BigMac/Xmac */
	if (CHIP_IS_E1x(bp) ||
	    CHIP_IS_E2(bp)) {
		bnx2x_bmac_rx_disable(bp, params->port);
		REG_WR(bp, GRCBASE_MISC +
		       MISC_REGISTERS_RESET_REG_2_CLEAR,
Y
Yaniv Rosner 已提交
4122
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
4123 4124 4125 4126
	}
	if (CHIP_IS_E3(bp))
		bnx2x_xmac_disable(params);

E
Eilon Greenstein 已提交
4127 4128
	return 0;
}
Y
Yaniv Rosner 已提交
4129

Y
Yaniv Rosner 已提交
4130 4131 4132
static int bnx2x_update_link_up(struct link_params *params,
				struct link_vars *vars,
				u8 link_10g)
E
Eilon Greenstein 已提交
4133 4134
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4135
	u8 port = params->port;
Y
Yaniv Rosner 已提交
4136
	int rc = 0;
E
Eilon Greenstein 已提交
4137

Y
Yaniv Rosner 已提交
4138
	vars->link_status |= LINK_STATUS_LINK_UP;
4139

Y
Yaniv Rosner 已提交
4140 4141 4142
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
4143

Y
Yaniv Rosner 已提交
4144 4145 4146
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
4147 4148 4149 4150 4151
	if (USES_WARPCORE(bp)) {
		if (link_10g)
			bnx2x_xmac_enable(params, vars, 0);
		else
			bnx2x_umac_enable(params, vars, 0);
4152
		bnx2x_set_led(params, vars,
4153 4154 4155 4156 4157 4158
			      LED_MODE_OPER, vars->line_speed);
	}
	if ((CHIP_IS_E1x(bp) ||
	     CHIP_IS_E2(bp))) {
		if (link_10g) {
			bnx2x_bmac_enable(params, vars, 0);
4159

4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172
			bnx2x_set_led(params, vars,
				      LED_MODE_OPER, SPEED_10000);
		} else {
			rc = bnx2x_emac_program(params, vars);
			bnx2x_emac_enable(params, vars, 0);

			/* AN complete? */
			if ((vars->link_status &
			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
			    SINGLE_MEDIA_DIRECT(params))
				bnx2x_set_gmii_tx_driver(params);
		}
Y
Yaniv Rosner 已提交
4173
	}
4174

Y
Yaniv Rosner 已提交
4175
	/* PBF - link up */
4176
	if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
4177 4178
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
4179

Y
Yaniv Rosner 已提交
4180 4181
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
4182

Y
Yaniv Rosner 已提交
4183 4184 4185 4186
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
4187
}
4188
/*
Y
Yaniv Rosner 已提交
4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200
 * The bnx2x_link_update function should be called upon link
 * interrupt.
 * Link is considered up as follows:
 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
 *   to be up
 * - SINGLE_MEDIA - The link between the 577xx and the external
 *   phy (XGXS) need to up as well as the external link of the
 *   phy (PHY_EXT1)
 * - DUAL_MEDIA - The link between the 577xx and the first
 *   external phy needs to be up, and at least one of the 2
 *   external phy link must be up.
 */
Y
Yaniv Rosner 已提交
4201
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
4202
{
Y
Yaniv Rosner 已提交
4203 4204 4205 4206
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
	u8 link_10g, phy_index;
Y
Yaniv Rosner 已提交
4207 4208
	u8 ext_phy_link_up = 0, cur_link_up;
	int rc = 0;
Y
Yaniv Rosner 已提交
4209 4210 4211
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
Y
Yaniv Rosner 已提交
4212

Y
Yaniv Rosner 已提交
4213 4214 4215 4216 4217 4218 4219 4220
	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;
4221
		phy_vars[phy_index].fault_detected = 0;
Y
Yaniv Rosner 已提交
4222
	}
E
Eilon Greenstein 已提交
4223

Y
Yaniv Rosner 已提交
4224 4225 4226
	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
4227

Y
Yaniv Rosner 已提交
4228
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
4229
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
4230 4231 4232
	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 is_mi_int,
Y
Yaniv Rosner 已提交
4233
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
4234

Y
Yaniv Rosner 已提交
4235 4236 4237
	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
4238

Y
Yaniv Rosner 已提交
4239
	/* disable emac */
4240 4241
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
4242

4243 4244 4245 4246
	/*
	 * Step 1:
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
4247
	 * is up. Note that instead of the common vars, a temporary
4248 4249 4250
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
Y
Yaniv Rosner 已提交
4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266
	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		struct bnx2x_phy *phy = &params->phy[phy_index];
		if (!phy->read_status)
			continue;
		/* Read link status and params of this ext phy */
		cur_link_up = phy->read_status(phy, params,
					       &phy_vars[phy_index]);
		if (cur_link_up) {
			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
				   phy_index);
		} else {
			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
				   phy_index);
			continue;
		}
Y
Yaniv Rosner 已提交
4267

Y
Yaniv Rosner 已提交
4268 4269 4270
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
4271 4272 4273 4274
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
4275
			/*
Y
Yaniv Rosner 已提交
4276 4277 4278
			 * 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
4279
			 */
Y
Yaniv Rosner 已提交
4280 4281 4282
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
4283
			/*
Y
Yaniv Rosner 已提交
4284 4285
			 * In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
4286
			 */
Y
Yaniv Rosner 已提交
4287 4288 4289
				active_external_phy = EXT_PHY2;
				break;
			default:
4290
			/*
Y
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4291 4292 4293 4294 4295 4296 4297
			 * 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
4298
			 */
Y
Yaniv Rosner 已提交
4299 4300 4301 4302 4303 4304
				DP(NETIF_MSG_LINK, "Invalid link indication"
					   "mpc=0x%x. DISABLING LINK !!!\n",
					   params->multi_phy_config);
				ext_phy_link_up = 0;
				break;
			}
E
Eilon Greenstein 已提交
4305 4306
		}
	}
Y
Yaniv Rosner 已提交
4307
	prev_line_speed = vars->line_speed;
4308 4309 4310 4311 4312 4313 4314
	/*
	 * Step 2:
	 * Read the status of the internal phy. In case of
	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
	 * otherwise this is the link between the 577xx and the first
	 * external phy
	 */
Y
Yaniv Rosner 已提交
4315 4316 4317 4318
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
4319
	/*
Y
Yaniv Rosner 已提交
4320 4321 4322 4323 4324 4325
	 * The INT_PHY flow control reside in the vars. This include the
	 * case where the speed or flow control are not set to AUTO.
	 * Otherwise, the active external phy flow control result is set
	 * to the vars. The ext_phy_line_speed is needed to check if the
	 * speed is different between the internal phy and external phy.
	 * This case may be result of intermediate link speed change.
E
Eilon Greenstein 已提交
4326
	 */
Y
Yaniv Rosner 已提交
4327 4328
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
4329
		/*
Y
Yaniv Rosner 已提交
4330 4331
		 * Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
E
Eilon Greenstein 已提交
4332
		 */
Y
Yaniv Rosner 已提交
4333
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
4334

4335
		/*
Y
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4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348
		 * if active_external_phy is first PHY and link is up - disable
		 * disable TX on second external PHY
		 */
		if (active_external_phy == EXT_PHY1) {
			if (params->phy[EXT_PHY2].phy_specific_func) {
				DP(NETIF_MSG_LINK, "Disabling TX on"
						   " EXT_PHY2\n");
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
Yaniv Rosner 已提交
4349 4350 4351 4352 4353
		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
		vars->duplex = phy_vars[active_external_phy].duplex;
		if (params->phy[active_external_phy].supported &
		    SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
Y
Yaniv Rosner 已提交
4354 4355
		else
			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Y
Yaniv Rosner 已提交
4356 4357 4358
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369

	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		if (params->phy[phy_index].flags &
		    FLAGS_REARM_LATCH_SIGNAL) {
			bnx2x_rearm_latch_signal(bp, port,
						 phy_index ==
						 active_external_phy);
			break;
		}
	}
Y
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4370 4371 4372
	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);
4373
	/*
Y
Yaniv Rosner 已提交
4374 4375 4376 4377
	 * Upon link speed change set the NIG into drain mode. Comes to
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
E
Eilon Greenstein 已提交
4378

Y
Yaniv Rosner 已提交
4379 4380 4381 4382 4383 4384 4385 4386 4387
	if (vars->phy_link_up) {
		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
		    (ext_phy_line_speed != vars->line_speed)) {
			DP(NETIF_MSG_LINK, "Internal link speed %d is"
				   " different than the external"
				   " link speed %d\n", vars->line_speed,
				   ext_phy_line_speed);
			vars->phy_link_up = 0;
		} else if (prev_line_speed != vars->line_speed) {
Y
Yaniv Rosner 已提交
4388 4389
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yaniv Rosner 已提交
4390 4391 4392
			msleep(1);
		}
	}
Y
Yaniv Rosner 已提交
4393

Y
Yaniv Rosner 已提交
4394 4395 4396 4397 4398 4399 4400
	/* anything 10 and over uses the bmac */
	link_10g = ((vars->line_speed == SPEED_10000) ||
		    (vars->line_speed == SPEED_12000) ||
		    (vars->line_speed == SPEED_12500) ||
		    (vars->line_speed == SPEED_13000) ||
		    (vars->line_speed == SPEED_15000) ||
		    (vars->line_speed == SPEED_16000));
E
Eilon Greenstein 已提交
4401

Y
Yaniv Rosner 已提交
4402
	bnx2x_link_int_ack(params, vars, link_10g);
E
Eilon Greenstein 已提交
4403

4404 4405 4406 4407 4408 4409 4410 4411
	/*
	 * In case external phy link is up, and internal link is down
	 * (not initialized yet probably after link initialization, it
	 * needs to be initialized.
	 * Note that after link down-up as result of cable plug, the xgxs
	 * link would probably become up again without the need
	 * initialize it
	 */
Y
Yaniv Rosner 已提交
4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425
	if (!(SINGLE_MEDIA_DIRECT(params))) {
		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
			   " init_preceding = %d\n", ext_phy_link_up,
			   vars->phy_link_up,
			   params->phy[EXT_PHY1].flags &
			   FLAGS_INIT_XGXS_FIRST);
		if (!(params->phy[EXT_PHY1].flags &
		      FLAGS_INIT_XGXS_FIRST)
		    && ext_phy_link_up && !vars->phy_link_up) {
			vars->line_speed = ext_phy_line_speed;
			if (vars->line_speed < SPEED_1000)
				vars->phy_flags |= PHY_SGMII_FLAG;
			else
				vars->phy_flags &= ~PHY_SGMII_FLAG;
Y
Yaniv Rosner 已提交
4426 4427 4428 4429

			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(
					&params->phy[INT_PHY], params,
Y
Yaniv Rosner 已提交
4430
						vars);
E
Eilon Greenstein 已提交
4431
		}
E
Eilon Greenstein 已提交
4432
	}
4433 4434
	/*
	 * Link is up only if both local phy and external phy (in case of
4435
	 * non-direct board) are up and no fault detected on active PHY.
E
Eilon Greenstein 已提交
4436
	 */
Y
Yaniv Rosner 已提交
4437 4438
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
4439 4440
			  SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));
Y
Yaniv Rosner 已提交
4441 4442 4443

	if (vars->link_up)
		rc = bnx2x_update_link_up(params, vars, link_10g);
E
Eilon Greenstein 已提交
4444
	else
Y
Yaniv Rosner 已提交
4445
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
4446

E
Eilon Greenstein 已提交
4447
	return rc;
E
Eilon Greenstein 已提交
4448 4449 4450
}


Y
Yaniv Rosner 已提交
4451 4452 4453 4454 4455 4456
/*****************************************************************************/
/*			    External Phy section			     */
/*****************************************************************************/
void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
{
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
4457
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
4458 4459
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
4460
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
4461
}
E
Eilon Greenstein 已提交
4462

Y
Yaniv Rosner 已提交
4463 4464 4465 4466 4467
static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
				      u32 spirom_ver, u32 ver_addr)
{
	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
E
Eilon Greenstein 已提交
4468

Y
Yaniv Rosner 已提交
4469 4470
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
4471 4472
}

Y
Yaniv Rosner 已提交
4473 4474 4475
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
4476
{
Y
Yaniv Rosner 已提交
4477 4478 4479
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
4480
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
4481
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
4482
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
Yaniv Rosner 已提交
4483 4484
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
Yaniv Rosner 已提交
4485
}
4486

Y
Yaniv Rosner 已提交
4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539
static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       struct link_vars *vars)
{
	u16 val;
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_STATUS, &val);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_STATUS, &val);
	if (val & (1<<5))
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
	if ((val & (1<<0)) == 0)
		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
}

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

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

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

		bnx2x_pause_resolve(vars, pause_result);
		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
			   pause_result);
	}
}
Y
Yaniv Rosner 已提交
4540 4541 4542
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					     struct bnx2x_phy *phy,
					     u8 port)
Y
Yaniv Rosner 已提交
4543
{
4544 4545
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
Y
Yaniv Rosner 已提交
4546
	int rc = 0;
4547

Y
Yaniv Rosner 已提交
4548 4549 4550
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4551 4552 4553
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
4554 4555 4556

	/* ucode reboot and rst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4557 4558 4559
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
4560 4561

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4562 4563
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
4564 4565 4566

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4567 4568 4569
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
4570 4571 4572

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4573 4574 4575
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
4576

4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602
	/* Delay 100ms per the PHY specifications */
	msleep(100);

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

		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);

		msleep(1);
	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
			((fw_msgout & 0xff) != 0x03 && (phy->type ==
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Y
Yaniv Rosner 已提交
4603 4604 4605

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4606 4607
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
4608
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
4609 4610 4611 4612 4613 4614 4615

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

	return rc;
Y
Yaniv Rosner 已提交
4616 4617 4618 4619 4620
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
4621
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
4622 4623 4624 4625 4626 4627
{
	/* This is only required for 8073A1, version 102 only */
	u16 val;

	/* Read 8073 HW revision*/
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4628 4629
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
4630 4631 4632 4633 4634 4635 4636

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4637 4638
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
4639 4640 4641 4642 4643 4644 4645 4646

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

	return 1;
}

Y
Yaniv Rosner 已提交
4647
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
4648 4649 4650 4651
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4652 4653
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
4654 4655 4656 4657 4658 4659 4660

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

4661 4662 4663 4664
	/*
	 * After loading the boot ROM and restarting Autoneg, poll
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
4665 4666 4667

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4668 4669 4670
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
4671 4672 4673 4674 4675
		  /*
		   * If bit [14] = 0 or bit [13] = 0, continue on with
		   * system initialization (XAUI work-around not required, as
		   * these bits indicate 2.5G or 1G link up).
		   */
Y
Yaniv Rosner 已提交
4676 4677 4678 4679
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
4680 4681 4682 4683 4684 4685 4686
			DP(NETIF_MSG_LINK, "bit 15 went off\n");
			/*
			 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
			 * MSB (bit15) goes to 1 (indicating that the XAUI
			 * workaround has completed), then continue on with
			 * system initialization.
			 */
Y
Yaniv Rosner 已提交
4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718
			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
4719
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
4720 4721
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
4722
{
Y
Yaniv Rosner 已提交
4723
	u16 cl37_val;
Y
Yaniv Rosner 已提交
4724 4725
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
4726
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
4727 4728 4729

	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
4730
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748
	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
4749
	bnx2x_cl45_write(bp, phy,
4750
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
4751
	msleep(500);
Y
Yaniv Rosner 已提交
4752 4753
}

Y
Yaniv Rosner 已提交
4754 4755 4756
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
4757
{
Y
Yaniv Rosner 已提交
4758
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4759 4760 4761
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
4762

D
Dmitry Kravkov 已提交
4763 4764 4765 4766
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
4767 4768
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
4769
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4770

Y
Yaniv Rosner 已提交
4771
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
4772
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
4773

Y
Yaniv Rosner 已提交
4774 4775 4776 4777 4778
	/* 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);
4779

Y
Yaniv Rosner 已提交
4780
	bnx2x_8073_set_pause_cl37(params, phy, vars);
4781

Y
Yaniv Rosner 已提交
4782
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4783
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4784

Y
Yaniv Rosner 已提交
4785 4786
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4787

Y
Yaniv Rosner 已提交
4788
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
4789

4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804
	/* Swap polarity if required - Must be done only in non-1G mode */
	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
		/* Configure the 8073 to swap _P and _N of the KR lines */
		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
		/* 10G Rx/Tx and 1G Tx signal polarity swap */
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
				 (val | (3<<9)));
	}


Y
Yaniv Rosner 已提交
4805
	/* Enable CL37 BAM */
4806 4807 4808 4809
	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) {
4810

4811 4812 4813 4814 4815 4816 4817 4818
		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
4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831
	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);
4832 4833
			/*
			 * Note that 2.5G works only when used with 1G
L
Lucas De Marchi 已提交
4834
			 * advertisement
4835
			 */
Y
Yaniv Rosner 已提交
4836 4837 4838 4839 4840 4841 4842
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
4843

L
Lucas De Marchi 已提交
4844
		/* Note that 2.5G works only when used with 1G advertisement */
Y
Yaniv Rosner 已提交
4845 4846 4847 4848 4849 4850
		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);
	}
4851

Y
Yaniv Rosner 已提交
4852 4853
	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);
4854

Y
Yaniv Rosner 已提交
4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871
	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;
	}
4872

Y
Yaniv Rosner 已提交
4873 4874
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
4875

Y
Yaniv Rosner 已提交
4876 4877 4878 4879
	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)));
4880

Y
Yaniv Rosner 已提交
4881 4882
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4883

4884 4885 4886 4887 4888
	/*
	 * The SNR will improve about 2db by changing BW and FEE main
	 * tap. Rest commands are executed after link is up
	 * Change FFE main cursor to 5 in EDC register
	 */
Y
Yaniv Rosner 已提交
4889 4890 4891 4892
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
4893

Y
Yaniv Rosner 已提交
4894 4895 4896 4897
	/* 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);
4898

Y
Yaniv Rosner 已提交
4899
	bnx2x_ext_phy_set_pause(params, phy, vars);
4900

Y
Yaniv Rosner 已提交
4901 4902 4903 4904 4905 4906
	/* 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
4907
}
Y
Yaniv Rosner 已提交
4908

Y
Yaniv Rosner 已提交
4909
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4910 4911 4912 4913
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4914 4915 4916 4917
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
4918

Y
Yaniv Rosner 已提交
4919 4920
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
Y
Yaniv Rosner 已提交
4921

Y
Yaniv Rosner 已提交
4922
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
4923

Y
Yaniv Rosner 已提交
4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955
	/* 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;
4956
	}
Y
Yaniv Rosner 已提交
4957 4958 4959 4960
	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);
4961

Y
Yaniv Rosner 已提交
4962 4963 4964 4965 4966 4967 4968
	/* 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);
4969

Y
Yaniv Rosner 已提交
4970 4971
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
4972 4973 4974 4975 4976
		/*
		 * 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
		 */
4977
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4978 4979
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
4980

Y
Yaniv Rosner 已提交
4981
		/* Change CDR Bandwidth in EDC register */
4982
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4983 4984 4985 4986 4987 4988
				 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);
4989

Y
Yaniv Rosner 已提交
4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009
	/* 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);
5010
	}
Y
Yaniv Rosner 已提交
5011 5012

	if (link_up) {
5013 5014 5015 5016 5017 5018 5019
		/* 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);
5020 5021 5022 5023
			/*
			 * Set bit 3 to invert Rx in 1G mode and clear this bit
			 * when it`s in 10G mode.
			 */
5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035
			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
5036 5037
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
5038
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
5039 5040
	}
	return link_up;
Y
Yaniv Rosner 已提交
5041 5042
}

Y
Yaniv Rosner 已提交
5043 5044 5045 5046 5047
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
5048 5049 5050 5051
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
5052 5053 5054
	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
	   gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
5055 5056
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
5057 5058 5059 5060 5061
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
5062 5063 5064
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
5065 5066
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5067
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
5068 5069
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
5070
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
5071 5072 5073
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
5074
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
5075

Y
Yaniv Rosner 已提交
5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087
	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
5088

Y
Yaniv Rosner 已提交
5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099
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);
5100

Y
Yaniv Rosner 已提交
5101 5102 5103
	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);
5104

Y
Yaniv Rosner 已提交
5105 5106
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
5107

Y
Yaniv Rosner 已提交
5108 5109 5110 5111
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
5112

Y
Yaniv Rosner 已提交
5113 5114 5115 5116 5117
	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);
5118
	}
Y
Yaniv Rosner 已提交
5119 5120
	return link_up;
}
5121

Y
Yaniv Rosner 已提交
5122 5123 5124
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138
static u8 bnx2x_get_gpio_port(struct link_params *params)
{
	u8 gpio_port;
	u32 swap_val, swap_override;
	struct bnx2x *bp = params->bp;
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
	return gpio_port ^ (swap_val && swap_override);
}
static void bnx2x_sfp_set_transmitter(struct link_params *params,
Y
Yaniv Rosner 已提交
5139 5140 5141 5142
				      struct bnx2x_phy *phy,
				      u8 tx_en)
{
	u16 val;
5143 5144 5145
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 tx_en_mode;
5146

Y
Yaniv Rosner 已提交
5147
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
5148 5149 5150 5151 5152 5153 5154 5155
	tx_en_mode = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
				     dev_info.port_hw_config[port].sfp_ctrl)) &
		PORT_HW_CFG_TX_LASER_MASK;
	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
			   "mode = %x\n", tx_en, port, tx_en_mode);
	switch (tx_en_mode) {
	case PORT_HW_CFG_TX_LASER_MDIO:
5156

5157 5158 5159 5160
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);
Y
Yaniv Rosner 已提交
5161

5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192
		if (tx_en)
			val &= ~(1<<15);
		else
			val |= (1<<15);

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

		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
		gpio_port = bnx2x_get_gpio_port(params);
		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
		break;
	}
	default:
		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
		break;
	}
Y
Yaniv Rosner 已提交
5193 5194
}

Y
Yaniv Rosner 已提交
5195 5196 5197
static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					     struct link_params *params,
					     u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
5198 5199
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5200 5201 5202 5203 5204 5205 5206 5207
	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 */
5208
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5209
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
5210
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
5211

Y
Yaniv Rosner 已提交
5212 5213 5214
	/* Set the read command address */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Y
Yaniv Rosner 已提交
5215
			 addr);
Y
Yaniv Rosner 已提交
5216

Y
Yaniv Rosner 已提交
5217
	/* Activate read command */
5218
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5219
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
5220
			 0x2c0f);
Y
Yaniv Rosner 已提交
5221

Y
Yaniv Rosner 已提交
5222 5223 5224
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5225 5226
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
5227 5228 5229 5230
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
5231 5232
	}

Y
Yaniv Rosner 已提交
5233 5234 5235 5236 5237 5238
	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;
5239
	}
Y
Yaniv Rosner 已提交
5240

Y
Yaniv Rosner 已提交
5241 5242
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
5243
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5244 5245
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
5246
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
5247
	}
Y
Yaniv Rosner 已提交
5248

Y
Yaniv Rosner 已提交
5249 5250
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5251 5252
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
5253 5254
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
5255
			return 0;
Y
Yaniv Rosner 已提交
5256 5257 5258
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
5259
}
E
Eilon Greenstein 已提交
5260

Y
Yaniv Rosner 已提交
5261 5262 5263
static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					     struct link_params *params,
					     u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
5264 5265
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5266
	u16 val, i;
Y
Yaniv Rosner 已提交
5267

Y
Yaniv Rosner 已提交
5268 5269 5270 5271 5272
	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
5273

Y
Yaniv Rosner 已提交
5274 5275
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5276 5277 5278
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
5279

Y
Yaniv Rosner 已提交
5280
	/* Set the read command byte count */
5281
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5282 5283 5284
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
5285

Y
Yaniv Rosner 已提交
5286
	/* Set the read command address */
5287
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5288 5289 5290
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
5291
	/* Set the destination address */
5292
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5293 5294 5295
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
5296

Y
Yaniv Rosner 已提交
5297
	/* Activate read command */
5298
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5299 5300 5301
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
5302 5303 5304 5305
	/*
	 * Wait appropriate time for two-wire command to finish before
	 * polling the status register
	 */
Y
Yaniv Rosner 已提交
5306
	msleep(1);
E
Eilon Greenstein 已提交
5307

Y
Yaniv Rosner 已提交
5308 5309
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
5310
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5311 5312
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
5313 5314 5315 5316
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
5317
	}
E
Eilon Greenstein 已提交
5318

Y
Yaniv Rosner 已提交
5319 5320 5321 5322 5323
	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));
5324
		return -EFAULT;
Y
Yaniv Rosner 已提交
5325
	}
5326

Y
Yaniv Rosner 已提交
5327 5328 5329
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5330 5331
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
5332 5333
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
5334

Y
Yaniv Rosner 已提交
5335 5336
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5337 5338
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
5339 5340
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
5341
			return 0;
Y
Yaniv Rosner 已提交
5342
		msleep(1);
5343 5344
	}

Y
Yaniv Rosner 已提交
5345
	return -EINVAL;
Y
Yaniv Rosner 已提交
5346 5347
}

Y
Yaniv Rosner 已提交
5348 5349 5350
int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
				 struct link_params *params, u16 addr,
				 u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
5351
{
Y
Yaniv Rosner 已提交
5352
	int rc = -EINVAL;
Y
Yaniv Rosner 已提交
5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364
	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	break;
	}
	return rc;
Y
Yaniv Rosner 已提交
5365 5366
}

Y
Yaniv Rosner 已提交
5367 5368 5369
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			      struct link_params *params,
			      u16 *edc_mode)
Y
Yaniv Rosner 已提交
5370 5371
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5372
	u32 sync_offset = 0, phy_idx, media_types;
Y
Yaniv Rosner 已提交
5373 5374
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
5375

Y
Yaniv Rosner 已提交
5376
	phy->media_type = ETH_PHY_UNSPECIFIED;
Y
Yaniv Rosner 已提交
5377 5378 5379 5380 5381 5382 5383 5384 5385
	/* 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;
	}
5386

Y
Yaniv Rosner 已提交
5387 5388 5389 5390
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
Y
Yaniv Rosner 已提交
5391
		phy->media_type = ETH_PHY_DA_TWINAX;
5392 5393 5394 5395
		/*
		 * Check if its active cable (includes SFP+ module)
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
5396 5397 5398 5399
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
5400
					       &copper_module_type) != 0) {
Y
Yaniv Rosner 已提交
5401 5402 5403 5404 5405
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
5406

Y
Yaniv Rosner 已提交
5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422
		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;
5423
	}
Y
Yaniv Rosner 已提交
5424
	case SFP_EEPROM_CON_TYPE_VAL_LC:
Y
Yaniv Rosner 已提交
5425
		phy->media_type = ETH_PHY_SFP_FIBER;
Y
Yaniv Rosner 已提交
5426 5427 5428 5429 5430 5431 5432
		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;
5433
	}
Y
Yaniv Rosner 已提交
5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449
	sync_offset = params->shmem_base +
		offsetof(struct shmem_region,
			 dev_info.port_hw_config[params->port].media_type);
	media_types = REG_RD(bp, sync_offset);
	/* Update media type for non-PMF sync */
	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
		if (&(params->phy[phy_idx]) == phy) {
			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
			media_types |= ((phy->media_type &
					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
			break;
		}
	}
	REG_WR(bp, sync_offset, media_types);
Y
Yaniv Rosner 已提交
5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464
	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;
5465
	}
Y
Yaniv Rosner 已提交
5466
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
5467
	return 0;
Y
Yaniv Rosner 已提交
5468
}
5469 5470 5471 5472
/*
 * This function read the relevant field from the module (SFP+), and verify it
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
5473 5474
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				   struct link_params *params)
Y
Yaniv Rosner 已提交
5475 5476
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5477 5478
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
5479 5480
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
5481
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
5482 5483 5484 5485 5486 5487 5488 5489
	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
5490

Y
Yaniv Rosner 已提交
5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505
	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
5506
		DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Y
Yaniv Rosner 已提交
5507
			  "verification\n");
Y
Yaniv Rosner 已提交
5508 5509
		return -EINVAL;
	}
5510

Y
Yaniv Rosner 已提交
5511 5512
	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
5513 5514 5515 5516
	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
5517

Y
Yaniv Rosner 已提交
5518 5519 5520
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
5521 5522 5523
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
5524 5525 5526 5527 5528
		vendor_name[0] = '\0';
	else
		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
5529 5530 5531
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
5532 5533 5534 5535
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

5536 5537 5538
	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
			      " Port %d from %s part number %s\n",
			 params->port, vendor_name, vendor_pn);
Y
Yaniv Rosner 已提交
5539
	phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
5540
	return -EINVAL;
Y
Yaniv Rosner 已提交
5541
}
5542

Y
Yaniv Rosner 已提交
5543 5544
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						 struct link_params *params)
5545

E
Eilon Greenstein 已提交
5546
{
Y
Yaniv Rosner 已提交
5547
	u8 val;
E
Eilon Greenstein 已提交
5548
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5549
	u16 timeout;
5550 5551 5552 5553 5554
	/*
	 * Initialization time after hot-plug may take up to 300ms for
	 * some phys type ( e.g. JDSU )
	 */

Y
Yaniv Rosner 已提交
5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565
	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
5566

Y
Yaniv Rosner 已提交
5567 5568 5569 5570 5571 5572
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;
	/*
5573
	 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
5574 5575 5576 5577 5578 5579
	 * 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 )
5580
	 *
Y
Yaniv Rosner 已提交
5581 5582 5583 5584 5585
	 * 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;
5586
	if (is_power_up)
Y
Yaniv Rosner 已提交
5587 5588 5589 5590 5591 5592
		val = (1<<4);
	else
		/*
		 * Set GPIO control to OUTPUT, and set the power bit
		 * to according to the is_power_up
		 */
5593
		val = (1<<1);
E
Eilon Greenstein 已提交
5594

Y
Yaniv Rosner 已提交
5595 5596 5597 5598 5599
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
5600

Y
Yaniv Rosner 已提交
5601 5602 5603
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
5604 5605
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
5606

Y
Yaniv Rosner 已提交
5607
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5608 5609 5610
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
5611 5612 5613 5614
	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
		 cur_limiting_mode);

	if (edc_mode == EDC_MODE_LIMITING) {
Y
Yaniv Rosner 已提交
5615
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
5616
		bnx2x_cl45_write(bp, phy,
5617
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
5618 5619 5620
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
5621

Y
Yaniv Rosner 已提交
5622
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
5623

5624 5625 5626 5627
		/*
		 * Changing to LRM mode takes quite few seconds. So do it only
		 * if current mode is limiting (default is LRM)
		 */
Y
Yaniv Rosner 已提交
5628 5629
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
5630

Y
Yaniv Rosner 已提交
5631
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5632 5633 5634
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
5635
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5636 5637 5638
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
5639
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5640 5641 5642
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
5643
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5644 5645 5646
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
5647
	}
Y
Yaniv Rosner 已提交
5648
	return 0;
E
Eilon Greenstein 已提交
5649 5650
}

Y
Yaniv Rosner 已提交
5651 5652 5653
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
5654
{
Y
Yaniv Rosner 已提交
5655 5656
	u16 phy_identifier;
	u16 rom_ver2_val;
5657
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5658 5659 5660
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
5661

Y
Yaniv Rosner 已提交
5662
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5663 5664 5665
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
5666

5667
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
5668 5669 5670
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
5671 5672
	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5673 5674 5675
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
5676

Y
Yaniv Rosner 已提交
5677
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5678 5679 5680
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
5681

Y
Yaniv Rosner 已提交
5682
	return 0;
Y
Yaniv Rosner 已提交
5683
}
Y
Yaniv Rosner 已提交
5684

Y
Yaniv Rosner 已提交
5685 5686 5687 5688 5689 5690 5691 5692
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:
5693
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
5694 5695 5696
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
5697
			bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
5698 5699 5700 5701 5702 5703 5704 5705
		break;
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

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
static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
					   u8 gpio_mode)
{
	struct bnx2x *bp = params->bp;

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

Y
Yaniv Rosner 已提交
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
static void bnx2x_power_sfp_module(struct link_params *params,
				   struct bnx2x_phy *phy,
				   u8 power)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);

	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		bnx2x_8727_power_module(params->bp, phy, power);
		break;
	default:
		break;
	}
}

static void bnx2x_set_limiting_mode(struct link_params *params,
				    struct bnx2x_phy *phy,
				    u16 edc_mode)
{
	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
		break;
	}
}

Y
Yaniv Rosner 已提交
5770 5771
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
			       struct link_params *params)
Y
Yaniv Rosner 已提交
5772 5773
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5774
	u16 edc_mode;
Y
Yaniv Rosner 已提交
5775
	int rc = 0;
Y
Yaniv Rosner 已提交
5776

Y
Yaniv Rosner 已提交
5777 5778 5779
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
5780

Y
Yaniv Rosner 已提交
5781 5782
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
Y
Yaniv Rosner 已提交
5783 5784
	/* Power up module */
	bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
5785 5786 5787
	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
		return -EINVAL;
Y
Yaniv Rosner 已提交
5788
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yaniv Rosner 已提交
5789 5790 5791 5792
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
5793 5794 5795
		bnx2x_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

Y
Yaniv Rosner 已提交
5796 5797 5798
		/* Check if need to power down the SFP+ module */
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Y
Yaniv Rosner 已提交
5799
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Y
Yaniv Rosner 已提交
5800
			bnx2x_power_sfp_module(params, phy, 0);
Y
Yaniv Rosner 已提交
5801 5802 5803 5804
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
5805
		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
5806
	}
Y
Yaniv Rosner 已提交
5807

5808 5809 5810 5811
	/*
	 * Check and set limiting mode / LRM mode on 8726. On 8727 it
	 * is done automatically
	 */
Y
Yaniv Rosner 已提交
5812 5813
	bnx2x_set_limiting_mode(params, phy, edc_mode);

Y
Yaniv Rosner 已提交
5814 5815 5816 5817 5818 5819 5820
	/*
	 * 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)
5821
		bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
5822
	else
5823
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
5824

Y
Yaniv Rosner 已提交
5825 5826 5827 5828
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
5829 5830
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5831 5832 5833
	struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
	u32 gpio_val;
	u8 port = params->port;
E
Eilon Greenstein 已提交
5834

Y
Yaniv Rosner 已提交
5835
	/* Set valid module led off */
5836
	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
E
Eilon Greenstein 已提交
5837

5838
	/* Get current gpio val reflecting module plugged in / out*/
Y
Yaniv Rosner 已提交
5839
	gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
5840

Y
Yaniv Rosner 已提交
5841 5842
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
Y
Yaniv Rosner 已提交
5843
		bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
5844 5845 5846
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   port);
E
Eilon Greenstein 已提交
5847

Y
Yaniv Rosner 已提交
5848 5849 5850 5851 5852 5853
		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
	} else {
		u32 val = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
5854 5855 5856
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
E
Eilon Greenstein 已提交
5857

Y
Yaniv Rosner 已提交
5858 5859 5860
		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
				   port);
5861 5862 5863 5864
		/*
		 * Module was plugged out.
		 * Disable transmit for this module
		 */
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5865
		phy->media_type = ETH_PHY_NOT_PRESENT;
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5866 5867
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
5868
			bnx2x_sfp_set_transmitter(params, phy, 0);
5869
	}
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5870
}
5871

5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894
/******************************************************************/
/*		Used by 8706 and 8727                             */
/******************************************************************/
static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
				 struct bnx2x_phy *phy,
				 u16 alarm_status_offset,
				 u16 alarm_ctrl_offset)
{
	u16 alarm_status, val;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	/* Mask or enable the fault event. */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
	if (alarm_status & (1<<0))
		val &= ~(1<<0);
	else
		val |= (1<<0);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
}
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5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906
/******************************************************************/
/*		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*/
5907
	bnx2x_cl45_read(bp, phy,
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5908
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
5909 5910 5911 5912

	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
			     MDIO_PMA_REG_TX_ALARM_CTRL);

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5913 5914 5915 5916 5917 5918
	/* 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);
5919 5920

	bnx2x_cl45_read(bp, phy,
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5921 5922 5923 5924 5925 5926 5927
			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);
5928

Y
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5929 5930
	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);
5931 5932 5933
	/*
	 * 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
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5934 5935 5936 5937 5938 5939 5940
	 */
	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;
5941
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
5942
		vars->duplex = DUPLEX_FULL;
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5943
	}
5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954

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

5955
	return link_up;
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5956
}
5957

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5958 5959 5960 5961
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
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5962 5963 5964
				 struct link_params *params,
				 struct link_vars *vars)
{
5965 5966
	u32 tx_en_mode;
	u16 cnt, val, tmp1;
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5967
	struct bnx2x *bp = params->bp;
Y
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5968
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
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5969
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
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5970 5971 5972
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
5973
	bnx2x_wait_reset_complete(bp, phy, params);
Y
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5974

Y
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5975 5976 5977 5978 5979 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004
	/* Wait until fw is loaded */
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
		if (val)
			break;
		msleep(10);
	}
	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		u8 i;
		u16 reg;
		for (i = 0; i < 4; i++) {
			reg = MDIO_XS_8706_REG_BANK_RX0 +
				i*(MDIO_XS_8706_REG_BANK_RX1 -
				   MDIO_XS_8706_REG_BANK_RX0);
			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
			/* Clear first 3 bits of the control */
			val &= ~0x7;
			/* Set control bits according to configuration */
			val |= (phy->rx_preemphasis[i] & 0x7);
			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
				   " reg 0x%x <-- val 0x%x\n", reg, val);
			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
		}
	}
	/* Force speed */
	if (phy->req_line_speed == SPEED_10000) {
		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
Y
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6005

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6006 6007 6008 6009
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
6010 6011 6012 6013 6014
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
				 0);
		/* Arm LASI for link and Tx fault. */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
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6015
	} else {
L
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6016
		/* Force 1Gbps using autoneg with 1G advertisement */
Y
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6017

Y
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6018 6019 6020 6021
		/* Allow CL37 through CL73 */
		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
Y
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6022

L
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6023
		/* Enable Full-Duplex advertisement on CL37 */
Y
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6024 6025 6026 6027 6028 6029 6030 6031
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
		/* Enable CL37 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		/* 1G support */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
Y
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6032

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6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043
		/* 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);
6044 6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063

	/*
	 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
	 * power mode, if TX Laser is disabled
	 */

	tx_en_mode = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
				dev_info.port_hw_config[params->port].sfp_ctrl))
			& PORT_HW_CFG_TX_LASER_MASK;

	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
		bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
		tmp1 |= 0x1;
		bnx2x_cl45_write(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
	}

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6064 6065
	return 0;
}
Y
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6066

Y
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6067 6068 6069
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
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6070 6071 6072
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
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6073

Y
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6074 6075 6076 6077 6078 6079 6080 6081 6082 6083
/******************************************************************/
/*			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);
}
6084

Y
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6085 6086 6087 6088 6089 6090
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);
6091

Y
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6092 6093 6094
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
6095

Y
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6096 6097
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
Y
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6098 6099 6100
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
6101

Y
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6102
	bnx2x_cl45_write(bp, phy,
Y
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6103 6104
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
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6105

Y
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6106
	bnx2x_cl45_write(bp, phy,
Y
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6107 6108 6109
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
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6110 6111 6112 6113 6114 6115

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

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
	bnx2x_cl45_write(bp, phy,
Y
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6116 6117
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
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6118 6119 6120

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
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6121 6122
}

Y
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6123
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
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6124 6125 6126 6127
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
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6128 6129
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
6130 6131
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
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6132 6133 6134 6135 6136 6137 6138
				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;
		}
6139 6140
	}
	return link_up;
Y
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6141 6142
}

Y
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6143

Y
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6144 6145 6146
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
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6147 6148
{
	struct bnx2x *bp = params->bp;
Y
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6149
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
6150

Y
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6151
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
6152
	bnx2x_wait_reset_complete(bp, phy, params);
6153

Y
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6154
	bnx2x_8726_external_rom_boot(phy, params);
6155

6156 6157 6158 6159 6160 6161
	/*
	 * Need to call module detected on initialization since the module
	 * detection triggered by actual module insertion might occur before
	 * driver is loaded, and when driver is loaded, it reset all
	 * registers, including the transmitter
	 */
Y
Yaniv Rosner 已提交
6162
	bnx2x_sfp_module_detection(phy, params);
6163

Y
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6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193
	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);
6194 6195 6196 6197
		/*
		 * Enable RX-ALARM control to receive interrupt for 1G speed
		 * change
		 */
Y
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6198 6199 6200 6201 6202
		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);
6203

Y
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6204 6205 6206
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
6207 6208
	}

Y
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6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219
	/* 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]);
6220

Y
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6221 6222 6223 6224 6225
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
6226

Y
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6227
	return 0;
6228

Y
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6229 6230
}

Y
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6231 6232
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
6233
{
Y
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6234 6235 6236 6237 6238 6239 6240 6241 6242 6243 6244
	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			  */
/******************************************************************/
6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291

static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 led_mode_bitmask = 0;
	u16 gpio_pins_bitmask = 0;
	u16 val;
	/* Only NOC flavor requires to set the LED specifically */
	if (!(phy->flags & FLAGS_NOC))
		return;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x03;
		break;
	case LED_MODE_ON:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x02;
		break;
	case LED_MODE_OPER:
		led_mode_bitmask = 0x60;
		gpio_pins_bitmask = 0x11;
		break;
	}
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val &= 0xff8f;
	val |= led_mode_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			 val);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_GPIO_CTRL,
			&val);
	val &= 0xffe0;
	val |= gpio_pins_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
Y
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6292 6293 6294 6295
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
6296
	/*
Y
Yaniv Rosner 已提交
6297 6298
	 * The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
6299
	 */
Y
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6300 6301 6302 6303 6304
	struct bnx2x *bp = params->bp;
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
	port = (swap_val && swap_override) ^ 1;
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6305
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6306
}
Y
Yaniv Rosner 已提交
6307

Y
Yaniv Rosner 已提交
6308 6309 6310
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
6311
{
6312 6313
	u32 tx_en_mode;
	u16 tmp1, val, mod_abs, tmp2;
Y
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6314 6315
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
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6316
	struct bnx2x *bp = params->bp;
Y
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6317
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
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6318

6319
	bnx2x_wait_reset_complete(bp, phy, params);
Y
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6320
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
6321 6322
	/* Should be 0x6 to enable XS on Tx side. */
	lasi_ctrl_val = 0x0006;
Y
Yaniv Rosner 已提交
6323

Y
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6324 6325 6326 6327 6328
	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);
6329 6330 6331
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
			 0);
Y
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6332 6333
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
Y
Yaniv Rosner 已提交
6334

6335 6336 6337 6338
	/*
	 * Initially configure MOD_ABS to interrupt when module is
	 * presence( bit 8)
	 */
Y
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6339 6340
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
6341 6342 6343 6344 6345
	/*
	 * 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'
	 */
6346 6347 6348
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
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6349 6350
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
6351 6352


Y
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6353 6354 6355 6356
	/* 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);
6357 6358
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
Yaniv Rosner 已提交
6359

6360
	/*
6361 6362 6363 6364 6365
	 * 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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6366 6367
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
Yaniv Rosner 已提交
6368

Y
Yaniv Rosner 已提交
6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386
	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);
6387
		/*
Y
Yaniv Rosner 已提交
6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399
		 * 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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6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412
	} 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 {
6413
		/*
Y
Yaniv Rosner 已提交
6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426
		 * Since the 8727 has only single reset pin, need to set the 10G
		 * registers although it is default
		 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
				 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
				 0x0008);
Y
Yaniv Rosner 已提交
6427 6428
	}

6429 6430
	/*
	 * Set 2-wire transfer rate of SFP+ module EEPROM
Y
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6431 6432 6433 6434 6435 6436
	 * to 100Khz since some DACs(direct attached cables) do
	 * not work at 400Khz.
	 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
			 0xa001);
Y
Yaniv Rosner 已提交
6437

Y
Yaniv Rosner 已提交
6438 6439 6440 6441 6442 6443 6444 6445 6446
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
			   phy->tx_preemphasis[0],
			   phy->tx_preemphasis[1]);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
				 phy->tx_preemphasis[0]);
Y
Yaniv Rosner 已提交
6447

Y
Yaniv Rosner 已提交
6448 6449 6450 6451
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
Yaniv Rosner 已提交
6452

6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472
	/*
	 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
	 * power mode, if TX Laser is disabled
	 */
	tx_en_mode = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
				dev_info.port_hw_config[params->port].sfp_ctrl))
			& PORT_HW_CFG_TX_LASER_MASK;

	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {

		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
		bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
		tmp2 |= 0x1000;
		tmp2 &= 0xFFEF;
		bnx2x_cl45_write(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
	}

Y
Yaniv Rosner 已提交
6473
	return 0;
Y
Yaniv Rosner 已提交
6474 6475
}

Y
Yaniv Rosner 已提交
6476 6477
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
Yaniv Rosner 已提交
6478 6479
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6480 6481 6482 6483 6484 6485
	u16 mod_abs, rx_alarm_status;
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				      port_feature_config[params->port].
				      config));
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6486 6487
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
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6488
	if (mod_abs & (1<<8)) {
Y
Yaniv Rosner 已提交
6489

Y
Yaniv Rosner 已提交
6490 6491 6492
		/* Module is absent */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is absent\n");
Y
Yaniv Rosner 已提交
6493
		phy->media_type = ETH_PHY_NOT_PRESENT;
6494 6495 6496 6497 6498 6499 6500 6501
		/*
		 * 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'.
		 */
6502 6503 6504
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
6505
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6506 6507
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
6508

6509 6510 6511 6512
		/*
		 * Clear RX alarm since it stays up as long as
		 * the mod_abs wasn't changed
		 */
Y
Yaniv Rosner 已提交
6513
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6514 6515
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
Yaniv Rosner 已提交
6516

Y
Yaniv Rosner 已提交
6517 6518 6519 6520
	} else {
		/* Module is present */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is present\n");
6521 6522 6523 6524 6525 6526 6527 6528
		/*
		 * First disable transmitter, and if the module is ok, the
		 * module_detection will enable it
		 * 1. Set mod_abs to detect next module absent event ( bit 8)
		 * 2. Restore the default polarity of the OPRXLOS signal and
		 * this signal will then correctly indicate the presence or
		 * absence of the Rx signal. (bit 9)
		 */
6529 6530 6531
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
6532
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6533 6534
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
6535

6536 6537 6538 6539 6540 6541
		/*
		 * Clear RX alarm since it stays up as long as the mod_abs
		 * wasn't changed. This is need to be done before calling the
		 * module detection, otherwise it will clear* the link update
		 * alarm
		 */
Y
Yaniv Rosner 已提交
6542 6543 6544
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
Yaniv Rosner 已提交
6545 6546


Y
Yaniv Rosner 已提交
6547 6548
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
6549
			bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
6550 6551 6552 6553 6554

		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
6555
	}
Y
Yaniv Rosner 已提交
6556 6557

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
6558 6559
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
Yaniv Rosner 已提交
6560 6561
}

Y
Yaniv Rosner 已提交
6562 6563 6564 6565
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
6566 6567
{
	struct bnx2x *bp = params->bp;
6568
	u8 link_up = 0, oc_port = params->port;
Y
Yaniv Rosner 已提交
6569
	u16 link_status = 0;
Y
Yaniv Rosner 已提交
6570 6571 6572 6573 6574 6575 6576 6577 6578
	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;

6579
	/* Check the LASI on Rx */
Y
Yaniv Rosner 已提交
6580 6581 6582 6583 6584 6585
	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);

6586 6587 6588
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
			     MDIO_PMA_REG_TX_ALARM_CTRL);

Y
Yaniv Rosner 已提交
6589 6590 6591 6592 6593 6594 6595 6596 6597
	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);

6598
	/*
Y
Yaniv Rosner 已提交
6599 6600 6601 6602 6603 6604 6605 6606 6607 6608
	 * 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) {
6609 6610
			if (!CHIP_IS_E1x(bp))
				oc_port = BP_PATH(bp) + (params->port << 1);
Y
Yaniv Rosner 已提交
6611
			DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
6612
				       " on port %d\n", oc_port);
Y
Yaniv Rosner 已提交
6613 6614 6615 6616 6617 6618 6619
			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",
6620
			 oc_port);
6621
			/* Disable all RX_ALARMs except for mod_abs */
Y
Yaniv Rosner 已提交
6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648 6649
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));

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

	/* When module absent bit is set, check module */
	if (rx_alarm_status & (1<<5)) {
		bnx2x_8727_handle_mod_abs(phy, params);
		/* Enable all mod_abs and link detection bits */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 ((1<<5) | (1<<2)));
	}
Y
Yaniv Rosner 已提交
6650 6651
	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
6652 6653 6654 6655 6656 6657 6658 6659 6660 6661 6662 6663
	/* 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);

6664 6665 6666 6667
	/*
	 * Bits 0..2 --> speed detected,
	 * Bits 13..15--> link is down
	 */
Y
Yaniv Rosner 已提交
6668 6669 6670
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
6671 6672
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
6673 6674 6675 6676 6677 6678 6679 6680 6681 6682
	} 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);
	}
6683 6684 6685 6686 6687 6688 6689 6690 6691 6692 6693 6694 6695 6696

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

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

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

6697
	if (link_up) {
Y
Yaniv Rosner 已提交
6698
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
6699 6700 6701
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
Yaniv Rosner 已提交
6702 6703 6704 6705 6706 6707

	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);
6708
		/*
Y
Yaniv Rosner 已提交
6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719
		 * 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
6720
	return link_up;
Y
Yaniv Rosner 已提交
6721
}
Y
Yaniv Rosner 已提交
6722

Y
Yaniv Rosner 已提交
6723 6724
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
6725 6726
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6727
	/* Disable Transmitter */
6728
	bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
6729 6730 6731
	/* Clear LASI */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);

Y
Yaniv Rosner 已提交
6732
}
6733

Y
Yaniv Rosner 已提交
6734 6735 6736 6737 6738
/******************************************************************/
/*		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
6739
{
Y
Yaniv Rosner 已提交
6740 6741
	u16 val, fw_ver1, fw_ver2, cnt;
	u8 port;
Y
Yaniv Rosner 已提交
6742
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6743

Y
Yaniv Rosner 已提交
6744
	port = params->port;
6745

Y
Yaniv Rosner 已提交
6746 6747
	/* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
	/* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Y
Yaniv Rosner 已提交
6748 6749 6750 6751 6752
	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
6753

Y
Yaniv Rosner 已提交
6754
	for (cnt = 0; cnt < 100; cnt++) {
Y
Yaniv Rosner 已提交
6755
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Y
Yaniv Rosner 已提交
6756 6757 6758 6759 6760 6761
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
Y
Yaniv Rosner 已提交
6762
		bnx2x_save_spirom_version(bp, port, 0,
Y
Yaniv Rosner 已提交
6763 6764 6765
					  phy->ver_addr);
		return;
	}
Y
Yaniv Rosner 已提交
6766 6767


Y
Yaniv Rosner 已提交
6768
	/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Y
Yaniv Rosner 已提交
6769 6770 6771
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
Y
Yaniv Rosner 已提交
6772
	for (cnt = 0; cnt < 100; cnt++) {
Y
Yaniv Rosner 已提交
6773
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
Y
Yaniv Rosner 已提交
6774 6775 6776 6777 6778 6779
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
Y
Yaniv Rosner 已提交
6780
		bnx2x_save_spirom_version(bp, port, 0,
Y
Yaniv Rosner 已提交
6781 6782
					  phy->ver_addr);
		return;
Y
Yaniv Rosner 已提交
6783 6784
	}

Y
Yaniv Rosner 已提交
6785
	/* lower 16 bits of the register SPI_FW_STATUS */
Y
Yaniv Rosner 已提交
6786
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
Y
Yaniv Rosner 已提交
6787
	/* upper 16 bits of register SPI_FW_STATUS */
Y
Yaniv Rosner 已提交
6788
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
Yaniv Rosner 已提交
6789

Y
Yaniv Rosner 已提交
6790
	bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Y
Yaniv Rosner 已提交
6791 6792
				  phy->ver_addr);
}
Y
Yaniv Rosner 已提交
6793

Y
Yaniv Rosner 已提交
6794 6795
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
6796
{
Y
Yaniv Rosner 已提交
6797
	u16 val;
Y
Yaniv Rosner 已提交
6798

Y
Yaniv Rosner 已提交
6799 6800 6801
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6802
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Y
Yaniv Rosner 已提交
6803 6804
	val &= 0xFE00;
	val |= 0x0092;
6805

Y
Yaniv Rosner 已提交
6806 6807
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6808
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
6809

Y
Yaniv Rosner 已提交
6810 6811
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6812
			 MDIO_PMA_REG_8481_LED1_MASK,
Y
Yaniv Rosner 已提交
6813
			 0x80);
Y
Yaniv Rosner 已提交
6814

Y
Yaniv Rosner 已提交
6815 6816
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6817
			 MDIO_PMA_REG_8481_LED2_MASK,
Y
Yaniv Rosner 已提交
6818
			 0x18);
Y
Yaniv Rosner 已提交
6819

Y
Yaniv Rosner 已提交
6820
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
Yaniv Rosner 已提交
6821 6822
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6823
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
Yaniv Rosner 已提交
6824 6825 6826 6827 6828
			 0x0006);

	/* Select the closest activity blink rate to that in 10/100/1000 */
	bnx2x_cl45_write(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6829
			MDIO_PMA_REG_8481_LED3_BLINK,
Y
Yaniv Rosner 已提交
6830 6831 6832 6833
			0);

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6834
			MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
Y
Yaniv Rosner 已提交
6835 6836 6837 6838
	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/

	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6839
			 MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
Y
Yaniv Rosner 已提交
6840

Y
Yaniv Rosner 已提交
6841 6842 6843 6844
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
6845 6846
}

Y
Yaniv Rosner 已提交
6847 6848 6849
static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
Y
Yaniv Rosner 已提交
6850
{
6851
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6852
	u16 autoneg_val, an_1000_val, an_10_100_val;
Y
Yaniv Rosner 已提交
6853 6854 6855 6856 6857 6858 6859
	u16 tmp_req_line_speed;

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

6860 6861 6862 6863 6864
	/*
	 * This phy uses the NIG latch mechanism since link indication
	 * arrives through its LED4 and not via its LASI signal, so we
	 * get steady signal instead of clear on read
	 */
Y
Yaniv Rosner 已提交
6865 6866
	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
6867

Y
Yaniv Rosner 已提交
6868 6869
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
6870

Y
Yaniv Rosner 已提交
6871
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
6872

Y
Yaniv Rosner 已提交
6873 6874 6875 6876
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
6877

Y
Yaniv Rosner 已提交
6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888
	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
6889

Y
Yaniv Rosner 已提交
6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900
	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
6901

Y
Yaniv Rosner 已提交
6902 6903 6904
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
6905

Y
Yaniv Rosner 已提交
6906 6907 6908 6909 6910 6911 6912 6913
	/* 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
6914

Y
Yaniv Rosner 已提交
6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929
		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
6930

Y
Yaniv Rosner 已提交
6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946
	/* 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
6947

Y
Yaniv Rosner 已提交
6948 6949 6950
	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
6951

Y
Yaniv Rosner 已提交
6952 6953
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
6954

Y
Yaniv Rosner 已提交
6955 6956 6957
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
6958

Y
Yaniv Rosner 已提交
6959 6960 6961 6962
	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)) {
6963 6964
			DP(NETIF_MSG_LINK, "Advertising 10G\n");
			/* Restart autoneg for 10G*/
Y
Yaniv Rosner 已提交
6965

6966
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6967 6968 6969 6970 6971 6972 6973 6974
				 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
6975
	}
Y
Yaniv Rosner 已提交
6976 6977 6978
	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, params);

Y
Yaniv Rosner 已提交
6979 6980
	phy->req_line_speed = tmp_req_line_speed;

Y
Yaniv Rosner 已提交
6981
	return 0;
Y
Yaniv Rosner 已提交
6982 6983
}

Y
Yaniv Rosner 已提交
6984 6985 6986
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
6987 6988
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6989 6990
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6991
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
6992

Y
Yaniv Rosner 已提交
6993 6994
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
6995
	bnx2x_wait_reset_complete(bp, phy, params);
6996

Y
Yaniv Rosner 已提交
6997 6998 6999
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	return bnx2x_848xx_cmn_config_init(phy, params, vars);
}
Y
Yaniv Rosner 已提交
7000

Y
Yaniv Rosner 已提交
7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056

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


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

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

Y
Yaniv Rosner 已提交
7057 7058 7059
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
7060 7061
{
	struct bnx2x *bp = params->bp;
7062
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
7063
	u16 val;
Y
Yaniv Rosner 已提交
7064
	u16 temp;
7065
	u32 actual_phy_selection, cms_enable;
Y
Yaniv Rosner 已提交
7066
	int rc = 0;
7067

Y
Yaniv Rosner 已提交
7068
	msleep(1);
Y
Yaniv Rosner 已提交
7069 7070

	if (!(CHIP_IS_E1(bp)))
7071 7072 7073
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
7074 7075 7076 7077 7078 7079 7080 7081 7082 7083 7084

	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
	} else {
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
	}

7085
	bnx2x_wait_reset_complete(bp, phy, params);
7086 7087
	/* Wait for GPHY to come out of reset */
	msleep(50);
Y
Yaniv Rosner 已提交
7088 7089 7090 7091 7092 7093 7094 7095 7096 7097 7098 7099 7100 7101 7102 7103

	/* Bring PHY out of super isolate mode */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
		val &= ~MDIO_84833_SUPER_ISOLATE;
		bnx2x_cl45_write(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
		bnx2x_wait_reset_complete(bp, phy, params);
	}

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

7104 7105 7106
	/*
	 * BCM84823 requires that XGXS links up first @ 10G for normal behavior
	 */
Y
Yaniv Rosner 已提交
7107 7108
	temp = vars->line_speed;
	vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
7109 7110
	bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
	bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
7111
	vars->line_speed = temp;
Y
Yaniv Rosner 已提交
7112 7113 7114 7115

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

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
7116
			MDIO_CTL_REG_84823_MEDIA, &val);
Y
Yaniv Rosner 已提交
7117 7118 7119 7120 7121 7122 7123 7124 7125 7126 7127 7128
	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
	val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
		MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;

	actual_phy_selection = bnx2x_phy_selection(params);

	switch (actual_phy_selection) {
	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
L
Lucas De Marchi 已提交
7129
		/* Do nothing. Essentially this is like the priority copper */
Y
Yaniv Rosner 已提交
7130 7131 7132 7133 7134 7135 7136 7137 7138 7139 7140 7141 7142 7143 7144 7145 7146 7147 7148
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		/* Do nothing here. The first PHY won't be initialized at all */
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
		initialize = 0;
		break;
	}
	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;

	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
7149
			 MDIO_CTL_REG_84823_MEDIA, val);
Y
Yaniv Rosner 已提交
7150 7151 7152 7153 7154 7155 7156
	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);
7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171
	cms_enable = REG_RD(bp, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].default_cfg)) &
			PORT_HW_CFG_ENABLE_CMS_MASK;

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
		MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
	if (cms_enable)
		val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
	else
		val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
		MDIO_CTL_REG_84823_USER_CTRL_REG, val);


Y
Yaniv Rosner 已提交
7172
	return rc;
Y
Yaniv Rosner 已提交
7173
}
Y
Yaniv Rosner 已提交
7174

Y
Yaniv Rosner 已提交
7175
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
7176 7177
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7178 7179
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7180
	u16 val, val1, val2;
Y
Yaniv Rosner 已提交
7181
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
7182

7183

Y
Yaniv Rosner 已提交
7184 7185 7186 7187 7188
	/* Check 10G-BaseT link status */
	/* Check PMD signal ok */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, 0xFFFA, &val1);
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7189
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Y
Yaniv Rosner 已提交
7190 7191
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
7192

Y
Yaniv Rosner 已提交
7193 7194
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
7195
		vars->line_speed = SPEED_10000;
7196
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
7197 7198 7199 7200
		link_up = 1;
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
	} else { /* Check Legacy speed link */
		u16 legacy_status, legacy_speed;
Y
Yaniv Rosner 已提交
7201

Y
Yaniv Rosner 已提交
7202 7203 7204 7205
		/* Enable expansion register 0x42 (Operation mode status) */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
Y
Yaniv Rosner 已提交
7206

Y
Yaniv Rosner 已提交
7207 7208 7209 7210 7211
		/* Get legacy speed operation status */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);
Y
Yaniv Rosner 已提交
7212

Y
Yaniv Rosner 已提交
7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225
		DP(NETIF_MSG_LINK, "Legacy speed status"
			     " = 0x%x\n", legacy_status);
		link_up = ((legacy_status & (1<<11)) == (1<<11));
		if (link_up) {
			legacy_speed = (legacy_status & (3<<9));
			if (legacy_speed == (0<<9))
				vars->line_speed = SPEED_10;
			else if (legacy_speed == (1<<9))
				vars->line_speed = SPEED_100;
			else if (legacy_speed == (2<<9))
				vars->line_speed = SPEED_1000;
			else /* Should not happen */
				vars->line_speed = 0;
Y
Yaniv Rosner 已提交
7226

Y
Yaniv Rosner 已提交
7227 7228 7229 7230
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
7231

Y
Yaniv Rosner 已提交
7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249
			DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
				   " is_duplex_full= %d\n", vars->line_speed,
				   (vars->duplex == DUPLEX_FULL));
			/* Check legacy speed AN resolution */
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
					&val);
			if (val & (1<<5))
				vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
					&val);
			if ((val & (1<<0)) == 0)
				vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
Y
Yaniv Rosner 已提交
7250 7251
		}
	}
Y
Yaniv Rosner 已提交
7252 7253 7254 7255 7256
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
E
Eilon Greenstein 已提交
7257

Y
Yaniv Rosner 已提交
7258
	return link_up;
Y
Yaniv Rosner 已提交
7259 7260
}

Y
Yaniv Rosner 已提交
7261 7262

static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
7263
{
Y
Yaniv Rosner 已提交
7264
	int status = 0;
Y
Yaniv Rosner 已提交
7265 7266 7267 7268
	u32 spirom_ver;
	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
	status = bnx2x_format_ver(spirom_ver, str, len);
	return status;
Y
Yaniv Rosner 已提交
7269
}
Y
Yaniv Rosner 已提交
7270 7271 7272

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
7273
{
Y
Yaniv Rosner 已提交
7274
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7275
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
Yaniv Rosner 已提交
7276
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7277
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
7278
}
Y
Yaniv Rosner 已提交
7279

Y
Yaniv Rosner 已提交
7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292
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;
7293
	u8 port;
Y
Yaniv Rosner 已提交
7294 7295

	if (!(CHIP_IS_E1(bp)))
7296 7297 7298
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
7299 7300 7301 7302 7303 7304 7305 7306 7307 7308

	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
			       port);
	} else {
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x800);
	}
Y
Yaniv Rosner 已提交
7309 7310
}

7311 7312 7313 7314 7315
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
				     struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 val;
Y
Yaniv Rosner 已提交
7316 7317 7318 7319 7320 7321
	u8 port;

	if (!(CHIP_IS_E1(bp)))
		port = BP_PATH(bp);
	else
		port = params->port;
7322 7323 7324 7325

	switch (mode) {
	case LED_MODE_OFF:

Y
Yaniv Rosner 已提交
7326
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
7327 7328 7329 7330 7331 7332 7333 7334 7335 7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361

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

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

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

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

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

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

		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Y
Yaniv Rosner 已提交
7362
		   port);
7363 7364 7365 7366 7367 7368

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

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7369 7370 7371
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
7372 7373

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7374 7375 7376
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);
7377 7378

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7379 7380 7381
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
7382 7383

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7384 7385 7386
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
7387 7388 7389 7390 7391 7392 7393 7394 7395 7396

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

Y
Yaniv Rosner 已提交
7397
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409

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

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7410 7411 7412
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
7413 7414 7415

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7416 7417 7418
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
7419 7420

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7421 7422 7423
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
7424 7425

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7426 7427 7428
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
7429 7430

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7431 7432 7433
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
7434 7435
		} else {
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7436 7437 7438
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
7439 7440 7441 7442 7443
		}
		break;

	case LED_MODE_OPER:

Y
Yaniv Rosner 已提交
7444
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455

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

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

			if (!((val &
Y
Yaniv Rosner 已提交
7456 7457
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
7458
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
7459 7460 7461 7462 7463 7464 7465 7466
				bnx2x_cl45_write(bp, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_LINK_SIGNAL,
						 0xa492);
			}

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7467 7468 7469
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
7470 7471

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7472 7473 7474
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
7475 7476

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7477 7478 7479
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
7480 7481

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7482 7483 7484
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
7485 7486 7487 7488 7489 7490

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502

			/* Tell LED3 to blink on source */
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					&val);
			val &= ~(7<<6);
			val |= (1<<6); /* A83B[8:6]= 1 */
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
7503 7504 7505 7506
		}
		break;
	}
}
Y
Yaniv Rosner 已提交
7507 7508 7509 7510 7511
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
7512 7513
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7514 7515 7516
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
7517 7518
}

Y
Yaniv Rosner 已提交
7519 7520 7521
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7522
{
Y
Yaniv Rosner 已提交
7523
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
7524
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7525
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
7526

Y
Yaniv Rosner 已提交
7527 7528
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7529
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
7530 7531
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
7532
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
7533

Y
Yaniv Rosner 已提交
7534 7535 7536 7537 7538
	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
7539

Y
Yaniv Rosner 已提交
7540 7541 7542 7543 7544 7545 7546
	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
7547

Y
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7548 7549 7550
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
7551

Y
Yaniv Rosner 已提交
7552 7553 7554 7555 7556 7557
	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
7558

Y
Yaniv Rosner 已提交
7559 7560 7561
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
7562 7563
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577 7578
	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);
7579
	/* if link is up print the AN outcome of the SFX7101 PHY */
Y
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7580 7581 7582 7583 7584
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
7585
		vars->duplex = DUPLEX_FULL;
Y
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7586 7587 7588 7589 7590 7591 7592
		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
			   val2, (val2 & (1<<14)));
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
	return link_up;
}
E
Eilon Greenstein 已提交
7593

Y
Yaniv Rosner 已提交
7594
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
7595 7596 7597 7598 7599 7600 7601 7602 7603
{
	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;
7604 7605 7606
	return 0;
}

Y
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7607
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
7608
{
Y
Yaniv Rosner 已提交
7609
	u16 val, cnt;
7610

Y
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7611
	bnx2x_cl45_read(bp, phy,
Y
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7612 7613
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
7614

Y
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7615 7616 7617 7618
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7619 7620 7621
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
Y
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7622 7623
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
Y
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7624 7625
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
7626

Y
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7627 7628
		if ((val & (1<<15)) == 0)
			break;
7629 7630
	}
}
Y
Yaniv Rosner 已提交
7631

Y
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7632 7633 7634 7635
static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	/* Low power mode is controlled by GPIO 2 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7636
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
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7637 7638
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7639
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
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7640
}
Y
Yaniv Rosner 已提交
7641

7642 7643 7644 7645 7646 7647 7648 7649 7650 7651 7652 7653 7654 7655 7656 7657 7658 7659 7660 7661 7662 7663 7664
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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7665 7666 7667
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
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7668

Y
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7669 7670 7671 7672
static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.def_md_devad	= 0,
7673
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
7674 7675 7676 7677 7678 7679
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= 0,
	.media_type	= ETH_PHY_NOT_PRESENT,
	.ver_addr	= 0,
Y
Yaniv Rosner 已提交
7680 7681 7682
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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7683 7684 7685 7686 7687 7688 7689 7690
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)NULL,
	.read_status	= (read_status_t)NULL,
	.link_reset	= (link_reset_t)NULL,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
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7691 7692
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7693
};
Y
Yaniv Rosner 已提交
7694

Y
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7695 7696 7697 7698
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
7699
	.flags		= 0,
Y
Yaniv Rosner 已提交
7700 7701 7702 7703 7704 7705 7706 7707 7708 7709 7710 7711 7712
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7713
	.media_type	= ETH_PHY_BASE_T,
Y
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7714 7715
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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7716 7717
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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7718 7719
	.req_duplex	= 0,
	.rsrv		= 0,
Y
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7720
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
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7721 7722 7723 7724 7725
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
Yaniv Rosner 已提交
7726 7727
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
7728
};
Y
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7729 7730 7731 7732 7733

static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
7734
	.flags		= 0,
Y
Yaniv Rosner 已提交
7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7749
	.media_type	= ETH_PHY_CX4,
Y
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7750 7751
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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7752 7753
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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7754 7755
	.req_duplex	= 0,
	.rsrv		= 0,
Y
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7756
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
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7757 7758 7759 7760 7761
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
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7762 7763
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7764 7765 7766 7767 7768 7769
};

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.def_md_devad	= 0,
7770
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
Yaniv Rosner 已提交
7771 7772 7773 7774 7775 7776 7777 7778 7779 7780 7781
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
7782 7783
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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7784 7785 7786 7787 7788 7789 7790 7791
	.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,
7792
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
Yaniv Rosner 已提交
7793
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
7794 7795 7796 7797 7798
};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.def_md_devad	= 0,
7799
	.flags		= FLAGS_HW_LOCK_REQUIRED,
Y
Yaniv Rosner 已提交
7800 7801 7802 7803 7804 7805 7806 7807 7808 7809
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7810
	.media_type	= ETH_PHY_KR,
Y
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7811
	.ver_addr	= 0,
Y
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7812 7813 7814
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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7815 7816
	.req_duplex	= 0,
	.rsrv		= 0,
7817
	.config_init	= (config_init_t)bnx2x_8073_config_init,
Y
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7818 7819 7820 7821 7822
	.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
Yaniv Rosner 已提交
7823 7824
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
7825 7826 7827 7828 7829
};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.def_md_devad	= 0,
7830
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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7831 7832 7833 7834 7835 7836 7837 7838 7839 7840 7841 7842 7843 7844 7845 7846 7847 7848 7849 7850
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_XFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8705_config_init,
	.read_status	= (read_status_t)bnx2x_8705_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
Yaniv Rosner 已提交
7851 7852
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7853 7854 7855 7856 7857
};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.def_md_devad	= 0,
7858
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
7859 7860 7861 7862 7863 7864 7865 7866 7867 7868 7869 7870 7871 7872 7873 7874 7875 7876 7877 7878 7879
	.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
Yaniv Rosner 已提交
7880 7881
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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7882 7883 7884 7885 7886
};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
7887
	.def_md_devad	= 0,
Y
Yaniv Rosner 已提交
7888 7889 7890 7891 7892 7893 7894 7895 7896 7897 7898
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
			   FLAGS_INIT_XGXS_FIRST),
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_Autoneg |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7899
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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7900 7901 7902 7903 7904 7905 7906 7907 7908 7909 7910 7911
	.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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7912 7913
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
7914 7915 7916 7917 7918 7919
};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.def_md_devad	= 0,
7920
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
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7921 7922 7923 7924 7925 7926 7927 7928
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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7929
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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7930 7931 7932 7933 7934 7935 7936 7937 7938 7939 7940 7941
	.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,
7942
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
Y
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	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Y
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7944 7945 7946 7947
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
7948
	.def_md_devad	= 0,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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7951 7952 7953 7954 7955 7956 7957 7958 7959 7960 7961 7962 7963 7964 7965 7966 7967 7968 7969 7970 7971 7972 7973 7974 7975 7976
	.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,
7977
	.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,
7984
	.def_md_devad	= 0,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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	.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,
8013
	.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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};

8017 8018 8019
static struct bnx2x_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
8020
	.def_md_devad	= 0,
8021 8022 8023 8024 8025 8026 8027 8028 8029 8030 8031 8032 8033 8034 8035 8036 8037 8038 8039 8040 8041 8042 8043 8044 8045 8046 8047 8048 8049 8050 8051 8052
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			    FLAGS_REARM_LATCH_SIGNAL,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_848x3_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)NULL
};

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

static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
				     struct bnx2x_phy *phy, u8 port,
				     u8 phy_index)
{
	/* Get the 4 lanes xgxs config rx and tx */
	u32 rx = 0, tx = 0, i;
	for (i = 0; i < 2; i++) {
8066
		/*
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		 * INT_PHY and EXT_PHY1 share the same value location in the
		 * shmem. When num_phys is greater than 1, than this value
		 * applies only to EXT_PHY1
		 */
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		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
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			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
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			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
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			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
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8079 8080 8081
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
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			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
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8083

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

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

static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
				    u8 phy_index, u8 port)
{
	u32 ext_phy_config = 0;
	switch (phy_index) {
	case EXT_PHY1:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config));
		break;
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8107 8108 8109 8110 8111
	case EXT_PHY2:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config2));
		break;
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	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
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static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				  struct bnx2x_phy *phy)
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{
	u32 phy_addr;
	u32 chip_id;
	u32 switch_cfg = (REG_RD(bp, shmem_base +
				       offsetof(struct shmem_region,
			dev_info.port_feature_config[port].link_config)) &
			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
	chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
		phy_addr = REG_RD(bp,
					NIG_REG_SERDES0_CTRL_PHY_ADDR +
					port * 0x10);
		*phy = phy_serdes;
		break;
	case SWITCH_CFG_10G:
		phy_addr = REG_RD(bp,
					NIG_REG_XGXS0_CTRL_PHY_ADDR +
					port * 0x18);
		*phy = phy_xgxs;
		break;
	default:
		DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
		return -EINVAL;
	}
	phy->addr = (u8)phy_addr;
	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
					    port);
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8150 8151 8152 8153
	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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8154 8155 8156 8157 8158 8159 8160 8161

	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
		   port, phy->addr, phy->mdio_ctrl);

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

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static int bnx2x_populate_ext_phy(struct bnx2x *bp,
				  u8 phy_index,
				  u32 shmem_base,
				  u32 shmem2_base,
				  u8 port,
				  struct bnx2x_phy *phy)
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8168 8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179 8180 8181 8182 8183 8184 8185 8186 8187 8188 8189 8190 8191 8192 8193 8194 8195
{
	u32 ext_phy_config, phy_type, config2;
	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
						  phy_index, port);
	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
	/* Select the phy type */
	switch (phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
		*phy = phy_8073;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
		*phy = phy_8705;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
		*phy = phy_8706;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8726;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
		/* BCM8727_NOC => BCM8727 no over current */
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8727;
		phy->flags |= FLAGS_NOC;
		break;
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8196
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
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8197 8198 8199 8200 8201 8202 8203 8204 8205 8206
	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;
8207 8208 8209
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
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8210 8211 8212 8213 8214 8215 8216 8217 8218 8219 8220 8221 8222 8223
	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);

8224 8225 8226 8227 8228
	/*
	 * The shmem address of the phy version is located on different
	 * structures. In case this structure is too old, do not set
	 * the address
	 */
Y
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8229 8230
	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
Y
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8231 8232 8233
	if (phy_index == EXT_PHY1) {
		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
				port_mb[port].ext_phy_fw_version);
Y
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8234

Y
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8235 8236 8237 8238
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
			mdc_mdio_access = config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Y
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8239 8240
	} else {
		u32 size = REG_RD(bp, shmem2_base);
Y
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8241

Y
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8242 8243 8244 8245 8246 8247 8248 8249 8250 8251 8252 8253 8254
		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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8255 8256
	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

8257
	/*
Y
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8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270
	 * In case mdc/mdio_access of the external phy is different than the
	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
	 * to prevent one port interfere with another port's CL45 operations.
	 */
	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
		   phy_type, port, phy_index);
	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
		   phy->addr, phy->mdio_ctrl);
	return 0;
}

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8271 8272
static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Y
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8273
{
Y
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8274
	int status = 0;
Y
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8275 8276 8277
	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
	if (phy_index == INT_PHY)
		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Y
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8278
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
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8279 8280 8281 8282 8283 8284
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
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8285
			      u8 phy_index)
Y
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8286 8287 8288 8289
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
Y
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8290 8291
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
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8292
				     offsetof(struct shmem_region, dev_info.
Y
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8293 8294
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
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8295 8296
					     offsetof(struct shmem_region,
						      dev_info.
Y
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8297 8298 8299
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
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				     offsetof(struct shmem_region, dev_info.
Y
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				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
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8303 8304 8305
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
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8306 8307 8308
	}
	DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
		       " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Y
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8309 8310 8311 8312 8313 8314 8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328 8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340 8341 8342 8343 8344 8345 8346 8347 8348 8349 8350 8351 8352 8353 8354

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

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

Y
Yaniv Rosner 已提交
8355 8356 8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384 8385 8386 8387
u32 bnx2x_phy_selection(struct link_params *params)
{
	u32 phy_config_swapped, prio_cfg;
	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;

	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;

	prio_cfg = params->multi_phy_config &
			PORT_HW_CFG_PHY_SELECTION_MASK;

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

	return return_cfg;
}


Y
Yaniv Rosner 已提交
8388
int bnx2x_phy_probe(struct link_params *params)
Y
Yaniv Rosner 已提交
8389 8390
{
	u8 phy_index, actual_phy_idx, link_cfg_idx;
Y
Yaniv Rosner 已提交
8391
	u32 phy_config_swapped, sync_offset, media_types;
Y
Yaniv Rosner 已提交
8392 8393 8394 8395
	struct bnx2x *bp = params->bp;
	struct bnx2x_phy *phy;
	params->num_phys = 0;
	DP(NETIF_MSG_LINK, "Begin phy probe\n");
Y
Yaniv Rosner 已提交
8396 8397
	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
Yaniv Rosner 已提交
8398 8399 8400 8401 8402

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
		actual_phy_idx = phy_index;
Y
Yaniv Rosner 已提交
8403 8404 8405 8406 8407 8408 8409 8410 8411
		if (phy_config_swapped) {
			if (phy_index == EXT_PHY1)
				actual_phy_idx = EXT_PHY2;
			else if (phy_index == EXT_PHY2)
				actual_phy_idx = EXT_PHY1;
		}
		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
			       " actual_phy_idx %x\n", phy_config_swapped,
			   phy_index, actual_phy_idx);
Y
Yaniv Rosner 已提交
8412 8413
		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Y
Yaniv Rosner 已提交
8414
				       params->shmem2_base, params->port,
Y
Yaniv Rosner 已提交
8415 8416 8417 8418 8419 8420 8421 8422 8423 8424 8425 8426 8427
				       phy) != 0) {
			params->num_phys = 0;
			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
				   phy_index);
			for (phy_index = INT_PHY;
			      phy_index < MAX_PHYS;
			      phy_index++)
				*phy = phy_null;
			return -EINVAL;
		}
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
			break;

Y
Yaniv Rosner 已提交
8428 8429 8430 8431 8432 8433 8434 8435 8436 8437 8438 8439 8440 8441 8442 8443 8444 8445 8446 8447
		sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].media_type);
		media_types = REG_RD(bp, sync_offset);

		/*
		 * Update media type for non-PMF sync only for the first time
		 * In case the media type changes afterwards, it will be updated
		 * using the update_status function
		 */
		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
				     actual_phy_idx))) == 0) {
			media_types |= ((phy->media_type &
					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
				 actual_phy_idx));
		}
		REG_WR(bp, sync_offset, media_types);

Y
Yaniv Rosner 已提交
8448
		bnx2x_phy_def_cfg(params, phy, phy_index);
Y
Yaniv Rosner 已提交
8449 8450 8451 8452 8453 8454 8455
		params->num_phys++;
	}

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

8456 8457
void bnx2x_init_bmac_loopback(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
8458 8459 8460 8461 8462 8463 8464
{
	struct bnx2x *bp = params->bp;
		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_BMAC;
Y
Yaniv Rosner 已提交
8465

Y
Yaniv Rosner 已提交
8466
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
8467

Y
Yaniv Rosner 已提交
8468
		bnx2x_xgxs_deassert(params);
Y
Yaniv Rosner 已提交
8469

Y
Yaniv Rosner 已提交
8470 8471
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
8472

Y
Yaniv Rosner 已提交
8473
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
8474
}
Y
Yaniv Rosner 已提交
8475

8476 8477 8478 8479
void bnx2x_init_emac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8480 8481 8482 8483 8484
		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
8485

Y
Yaniv Rosner 已提交
8486
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
8487

Y
Yaniv Rosner 已提交
8488 8489 8490 8491
		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
Y
Yaniv Rosner 已提交
8492
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
8493
}
Y
Yaniv Rosner 已提交
8494

8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517 8518 8519 8520 8521 8522 8523 8524 8525 8526 8527 8528 8529 8530 8531
void bnx2x_init_xmac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	vars->link_up = 1;
	if (!params->req_line_speed[0])
		vars->line_speed = SPEED_10000;
	else
		vars->line_speed = params->req_line_speed[0];
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_XMAC;
	vars->phy_flags = PHY_XGXS_FLAG;
	/*
	 * Set WC to loopback mode since link is required to provide clock
	 * to the XMAC in 20G mode
	 */

	bnx2x_xmac_enable(params, vars, 1);
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}

void bnx2x_init_umac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	vars->link_up = 1;
	vars->line_speed = SPEED_1000;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_UMAC;
	vars->phy_flags = PHY_XGXS_FLAG;
	bnx2x_umac_enable(params, vars, 1);

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

8532 8533 8534 8535
void bnx2x_init_xgxs_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8536 8537
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
8538
		vars->duplex = DUPLEX_FULL;
8539
	if (params->req_line_speed[0] == SPEED_1000)
Y
Yaniv Rosner 已提交
8540
			vars->line_speed = SPEED_1000;
8541
	else
Y
Yaniv Rosner 已提交
8542
			vars->line_speed = SPEED_10000;
8543

8544 8545
	if (!USES_WARPCORE(bp))
		bnx2x_xgxs_deassert(params);
8546 8547 8548
	bnx2x_link_initialize(params, vars);

	if (params->req_line_speed[0] == SPEED_1000) {
8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560
		if (USES_WARPCORE(bp))
			bnx2x_umac_enable(params, vars, 0);
		else {
			bnx2x_emac_program(params, vars);
			bnx2x_emac_enable(params, vars, 0);
		}
	} else {
		if (USES_WARPCORE(bp))
			bnx2x_xmac_enable(params, vars, 0);
		else
			bnx2x_bmac_enable(params, vars, 0);
	}
8561

Y
Yaniv Rosner 已提交
8562 8563 8564 8565 8566
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
8567

Y
Yaniv Rosner 已提交
8568 8569 8570 8571 8572 8573 8574 8575 8576 8577 8578
		} else {
			/* set external phy loopback */
			u8 phy_index;
			for (phy_index = EXT_PHY1;
			      phy_index < params->num_phys; phy_index++) {
				if (params->phy[phy_index].config_loopback)
					params->phy[phy_index].config_loopback(
						&params->phy[phy_index],
						params);
			}
		}
Y
Yaniv Rosner 已提交
8579
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
8580

8581 8582 8583 8584 8585 8586 8587 8588 8589 8590 8591 8592 8593 8594 8595 8596 8597 8598 8599 8600 8601 8602 8603 8604 8605 8606 8607 8608 8609 8610 8611 8612 8613 8614 8615 8616 8617 8618 8619 8620 8621 8622 8623
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
}

int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[0], params->req_flow_ctrl[0]);
	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[1], params->req_flow_ctrl[1]);
	vars->link_status = 0;
	vars->phy_link_up = 0;
	vars->link_up = 0;
	vars->line_speed = 0;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_NONE;
	vars->phy_flags = 0;

	/* 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, vars);

	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
	switch (params->loopback_mode) {
	case LOOPBACK_BMAC:
		bnx2x_init_bmac_loopback(params, vars);
		break;
	case LOOPBACK_EMAC:
		bnx2x_init_emac_loopback(params, vars);
		break;
8624 8625 8626 8627 8628 8629
	case LOOPBACK_XMAC:
		bnx2x_init_xmac_loopback(params, vars);
		break;
	case LOOPBACK_UMAC:
		bnx2x_init_umac_loopback(params, vars);
		break;
8630 8631 8632 8633 8634
	case LOOPBACK_XGXS:
	case LOOPBACK_EXT_PHY:
		bnx2x_init_xgxs_loopback(params, vars);
		break;
	default:
8635 8636 8637 8638 8639 8640
		if (!CHIP_IS_E3(bp)) {
			if (params->switch_cfg == SWITCH_CFG_10G)
				bnx2x_xgxs_deassert(params);
			else
				bnx2x_serdes_deassert(bp, params->port);
		}
Y
Yaniv Rosner 已提交
8641 8642 8643
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
8644
		break;
Y
Yaniv Rosner 已提交
8645
	}
Y
Yaniv Rosner 已提交
8646 8647
	return 0;
}
Y
Yaniv Rosner 已提交
8648 8649 8650

int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		     u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
8651 8652
{
	struct bnx2x *bp = params->bp;
8653
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
8654 8655 8656 8657 8658
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
	/* disable attentions */
	vars->link_status = 0;
	bnx2x_update_mng(params, vars->link_status);
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
8659 8660 8661 8662
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
8663

Y
Yaniv Rosner 已提交
8664 8665
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
8666

Y
Yaniv Rosner 已提交
8667
	/* disable nig egress interface */
8668 8669 8670 8671
	if (!CHIP_IS_E3(bp)) {
		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
	}
Y
Yaniv Rosner 已提交
8672

Y
Yaniv Rosner 已提交
8673
	/* Stop BigMac rx */
8674 8675 8676 8677
	if (!CHIP_IS_E3(bp))
		bnx2x_bmac_rx_disable(bp, port);
	else
		bnx2x_xmac_disable(params);
Y
Yaniv Rosner 已提交
8678
	/* disable emac */
8679 8680
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
8681

Y
Yaniv Rosner 已提交
8682
	msleep(10);
L
Lucas De Marchi 已提交
8683
	/* The PHY reset is controlled by GPIO 1
Y
Yaniv Rosner 已提交
8684 8685 8686
	 * Hold it as vars low
	 */
	 /* clear link led */
8687 8688
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
8689 8690 8691 8692 8693 8694 8695
	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);
8696 8697 8698
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
8699 8700 8701
		}
	}

8702 8703 8704 8705 8706 8707
	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
8708 8709 8710 8711 8712 8713
	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
8714

Y
Yaniv Rosner 已提交
8715
	/* disable nig ingress interface */
8716 8717 8718 8719
	if (!CHIP_IS_E3(bp)) {
		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
	}
Y
Yaniv Rosner 已提交
8720
	vars->link_up = 0;
Y
Yaniv Rosner 已提交
8721 8722 8723
	return 0;
}

Y
Yaniv Rosner 已提交
8724 8725 8726
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
8727 8728 8729 8730
static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 shmem2_base_path[], u8 phy_index,
				      u32 chip_id)
Y
Yaniv Rosner 已提交
8731
{
Y
Yaniv Rosner 已提交
8732 8733
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
8734
	u16 val;
Y
Yaniv Rosner 已提交
8735
	s8 port = 0;
D
Dmitry Kravkov 已提交
8736
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
8737 8738 8739 8740 8741
	u32 swap_val, swap_override;
	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
	port ^= (swap_val && swap_override);
	bnx2x_ext_phy_hw_reset(bp, port);
Y
Yaniv Rosner 已提交
8742 8743
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
8744 8745 8746 8747 8748 8749 8750 8751 8752 8753 8754 8755
		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
8756
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
8757
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
8758
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
8759 8760 8761 8762
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
8763
		/* disable attentions */
8764 8765
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
8766 8767 8768 8769
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
8770 8771 8772 8773

		/* Need to take the phy out of low power mode in order
			to write to access its registers */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8774 8775
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
8776 8777

		/* Reset the phy */
Y
Yaniv Rosner 已提交
8778
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
8779 8780 8781
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
8782 8783 8784 8785 8786
	}

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

Y
Yaniv Rosner 已提交
8787 8788 8789 8790 8791 8792 8793 8794
	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
8795 8796
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
8797 8798 8799 8800
		if (CHIP_IS_E2(bp))
			port_of_path = 0;
		else
			port_of_path = port;
Y
Yaniv Rosner 已提交
8801

D
Dmitry Kravkov 已提交
8802 8803
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
8804 8805
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
8806 8807 8808
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
8809
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8810 8811
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
8812 8813

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
8814
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8815 8816 8817
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
8818 8819
	}

8820 8821 8822 8823
	/*
	 * Toggle Transmitter: Power down and then up with 600ms delay
	 * between
	 */
Y
Yaniv Rosner 已提交
8824 8825 8826 8827
	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
8828
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
8829
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
8830
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8831 8832
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
8833

Y
Yaniv Rosner 已提交
8834
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8835 8836
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yaniv Rosner 已提交
8837 8838 8839
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
8840
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8841 8842
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
8843
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
8844 8845
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
8846 8847 8848

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8849
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
8850 8851 8852
	}
	return 0;
}
Y
Yaniv Rosner 已提交
8853 8854 8855 8856
static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 shmem2_base_path[], u8 phy_index,
				      u32 chip_id)
Y
Yaniv Rosner 已提交
8857 8858 8859 8860 8861 8862 8863 8864 8865 8866 8867
{
	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);

8868
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
8869 8870
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
8871 8872 8873 8874 8875 8876 8877 8878 8879 8880
		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
8881
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
8882
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
8883 8884 8885 8886 8887 8888 8889 8890 8891 8892 8893 8894 8895
				       port, &phy) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}

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


		/* Set fault module detected LED on */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Y
Yaniv Rosner 已提交
8896 8897
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
Y
Yaniv Rosner 已提交
8898 8899 8900 8901
	}

	return 0;
}
8902 8903 8904 8905 8906 8907 8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936 8937 8938 8939 8940 8941 8942 8943 8944 8945 8946
static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
					 u8 *io_gpio, u8 *io_port)
{

	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
					  offsetof(struct shmem_region,
				dev_info.port_hw_config[PORT_0].default_cfg));
	switch (phy_gpio_reset) {
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
		*io_gpio = 0;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
		*io_gpio = 1;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
		*io_gpio = 2;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
		*io_gpio = 3;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
		*io_gpio = 0;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
		*io_gpio = 1;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
		*io_gpio = 2;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
		*io_gpio = 3;
		*io_port = 1;
		break;
	default:
		/* Don't override the io_gpio and io_port */
		break;
	}
}
Y
Yaniv Rosner 已提交
8947 8948 8949 8950 8951

static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 shmem2_base_path[], u8 phy_index,
				      u32 chip_id)
E
Eilon Greenstein 已提交
8952
{
8953
	s8 port, reset_gpio;
E
Eilon Greenstein 已提交
8954
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
8955 8956
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
8957
	s8 port_of_path;
Y
Yaniv Rosner 已提交
8958 8959
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
Eilon Greenstein 已提交
8960

8961
	reset_gpio = MISC_REGISTERS_GPIO_1;
Y
Yaniv Rosner 已提交
8962
	port = 1;
E
Eilon Greenstein 已提交
8963

8964 8965 8966 8967 8968 8969
	/*
	 * Retrieve the reset gpio/port which control the reset.
	 * Default is GPIO1, PORT1
	 */
	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
				     (u8 *)&reset_gpio, (u8 *)&port);
Y
Yaniv Rosner 已提交
8970 8971 8972 8973

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

8974 8975 8976 8977 8978 8979 8980
	/* Initiate PHY reset*/
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       port);
	msleep(1);
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
		       port);

Y
Yaniv Rosner 已提交
8981
	msleep(5);
E
Eilon Greenstein 已提交
8982

E
Eilon Greenstein 已提交
8983
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
8984
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
8985 8986 8987 8988 8989 8990 8991 8992 8993 8994 8995 8996 8997
		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
8998
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
8999
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
9000
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
9001 9002 9003 9004
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
9005
		/* disable attentions */
D
Dmitry Kravkov 已提交
9006 9007 9008 9009 9010 9011
		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
9012 9013 9014


		/* Reset the phy */
Y
Yaniv Rosner 已提交
9015
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
9016
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
Eilon Greenstein 已提交
9017 9018 9019 9020
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
9021 9022 9023 9024 9025 9026 9027
	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
9028
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
9029
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Y
Yaniv Rosner 已提交
9030
		if (CHIP_IS_E2(bp))
D
Dmitry Kravkov 已提交
9031 9032 9033 9034 9035
			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);
9036 9037
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
E
Eilon Greenstein 已提交
9038 9039
			return -EINVAL;

9040
	}
E
Eilon Greenstein 已提交
9041 9042 9043
	return 0;
}

Y
Yaniv Rosner 已提交
9044 9045 9046
static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
				     u32 shmem2_base_path[], u8 phy_index,
				     u32 ext_phy_type, u32 chip_id)
Y
Yaniv Rosner 已提交
9047
{
Y
Yaniv Rosner 已提交
9048
	int rc = 0;
Y
Yaniv Rosner 已提交
9049 9050 9051

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
9052 9053 9054
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
9055
		break;
Y
Yaniv Rosner 已提交
9056
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
E
Eilon Greenstein 已提交
9057 9058
	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
9059 9060 9061
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
9062 9063
		break;

E
Eilon Greenstein 已提交
9064
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
9065 9066 9067 9068
		/*
		 * GPIO1 affects both ports, so there's need to pull
		 * it for single port alone
		 */
D
Dmitry Kravkov 已提交
9069 9070 9071
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
9072 9073 9074
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
9075
		break;
Y
Yaniv Rosner 已提交
9076 9077
	default:
		DP(NETIF_MSG_LINK,
9078 9079
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
Yaniv Rosner 已提交
9080 9081 9082
		break;
	}

9083 9084 9085 9086
	if (rc != 0)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
Y
Yaniv Rosner 已提交
9087 9088 9089
	return rc;
}

Y
Yaniv Rosner 已提交
9090 9091
int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
			  u32 shmem2_base_path[], u32 chip_id)
Y
Yaniv Rosner 已提交
9092
{
Y
Yaniv Rosner 已提交
9093
	int rc = 0;
9094
	u32 phy_ver;
Y
Yaniv Rosner 已提交
9095 9096
	u8 phy_index;
	u32 ext_phy_type, ext_phy_config;
9097 9098
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Y
Yaniv Rosner 已提交
9099 9100
	DP(NETIF_MSG_LINK, "Begin common phy init\n");

9101 9102 9103 9104 9105 9106 9107 9108 9109 9110
	/* 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
9111 9112 9113 9114
	/* 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
9115
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
9116 9117
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
9118 9119 9120 9121
		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
9122 9123 9124
	}
	return rc;
}
9125

Y
Yaniv Rosner 已提交
9126
u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
9127 9128 9129 9130 9131
{
	u8 phy_index;
	struct bnx2x_phy phy;
	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
Y
Yaniv Rosner 已提交
9132
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
9133 9134 9135 9136 9137 9138 9139 9140 9141 9142 9143 9144 9145
				       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
9146
			     u32 shmem2_base,
9147 9148 9149 9150 9151 9152
			     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
9153
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
9154 9155 9156 9157 9158 9159 9160 9161 9162 9163 9164 9165 9166 9167 9168 9169 9170 9171 9172 9173 9174 9175 9176 9177
				       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;
		}
	}
}
9178 9179 9180 9181 9182 9183 9184 9185 9186 9187 9188 9189 9190 9191 9192 9193 9194 9195 9196 9197 9198 9199 9200 9201 9202 9203 9204 9205 9206 9207 9208 9209 9210 9211 9212 9213 9214 9215 9216 9217 9218 9219 9220 9221 9222 9223 9224 9225 9226 9227 9228 9229 9230 9231 9232 9233 9234 9235 9236 9237 9238 9239 9240

void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
			    u8 port)
{
	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
	u32 val;
	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;

	{
		struct bnx2x_phy phy;
		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
		      phy_index++) {
			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
					       shmem2_base, port, &phy)
			    != 0) {
				DP(NETIF_MSG_LINK, "populate phy failed\n");
				return;
			}
			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
				gpio_num = MISC_REGISTERS_GPIO_3;
				gpio_port = port;
				break;
			}
		}
	}

	if (gpio_num == 0xff)
		return;

	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);

	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
	gpio_port ^= (swap_val && swap_override);

	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
		(gpio_num + (gpio_port << 2));

	sync_offset = shmem_base +
		offsetof(struct shmem_region,
			 dev_info.port_hw_config[port].aeu_int_mask);
	REG_WR(bp, sync_offset, vars->aeu_int_mask);

	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
		       gpio_num, gpio_port, vars->aeu_int_mask);

	if (port == 0)
		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
	else
		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;

	/* Open appropriate AEU for interrupts */
	aeu_mask = REG_RD(bp, offset);
	aeu_mask |= vars->aeu_int_mask;
	REG_WR(bp, offset, aeu_mask);

	/* Enable the GPIO to trigger interrupt */
	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
	val |= 1 << (gpio_num + (gpio_port << 2));
	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
}