bnx2x_link.c 374.8 KB
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/* Copyright 2008-2012 Broadcom Corporation
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 *
 * Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2, available
 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
 *
 * Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a
 * license other than the GPL, without Broadcom's express prior written
 * consent.
 *
 * Written by Yaniv Rosner
 *
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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

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

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/********************************************************/
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#define ETH_HLEN			14
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/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
#define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
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#define ETH_MIN_PACKET_SIZE		60
#define ETH_MAX_PACKET_SIZE		1500
#define ETH_MAX_JUMBO_PACKET_SIZE	9600
#define MDIO_ACCESS_TIMEOUT		1000
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#define WC_LANE_MAX			4
#define I2C_SWITCH_WIDTH		2
#define I2C_BSC0			0
#define I2C_BSC1			1
#define I2C_WA_RETRY_CNT		3
#define MCPR_IMC_COMMAND_READ_OP	1
#define MCPR_IMC_COMMAND_WRITE_OP	2
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/* LED Blink rate that will achieve ~15.9Hz */
#define LED_BLINK_RATE_VAL_E3		354
#define LED_BLINK_RATE_VAL_E1X_E2	480
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/***********************************************************/
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/*			Shortcut definitions		   */
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/***********************************************************/

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#define NIG_LATCH_BC_ENABLE_MI_INT 0

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

#define MDIO_AN_CL73_OR_37_COMPLETE \
		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)

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

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

#define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
#define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
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#define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
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#define AUTONEG_PARALLEL \
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				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
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#define AUTONEG_SGMII_FIBER_AUTODET \
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				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
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#define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
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#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
#define GP_STATUS_SPEED_MASK \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
#define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
#define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
#define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
#define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
#define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
#define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
#define GP_STATUS_10G_HIG \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
#define GP_STATUS_10G_CX4 \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
#define GP_STATUS_10G_KX4 \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
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#define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
#define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
#define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
#define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
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#define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
#define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
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#define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
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#define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
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#define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
#define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
#define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
#define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
#define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
#define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
#define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
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#define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
#define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
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#define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
#define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
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#define 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 default for class 0 E2 */
#define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR	170
#define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR		250
#define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR		10
#define DEFAULT0_E2_BRB_MAC_FULL_XON_THR		50
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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

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/* BRB default for class 0 E3A0 */
#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR	290
#define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR	410
#define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR	10
#define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR	50

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/* 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

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/* BRB default for E3B0 */
#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR	330
#define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR	490
#define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR	15
#define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR	55
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/* 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
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#define PFC_E3B0_4P_LB_GUART		120
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#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART		120
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#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST	80
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#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART		80
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#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST	120
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/* Pause defines*/
#define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR			330
#define DEFAULT_E3B0_BRB_FULL_LB_XON_THR			490
#define DEFAULT_E3B0_LB_GUART		40

#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART		40
#define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST	0

#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART		40
#define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST	0

/* ETS defines*/
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#define DCBX_INVALID_COS					(0xFF)

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

#define MAX_PACKET_SIZE					(9700)
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#define WC_UC_TIMEOUT					100
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#define MAX_KR_LINK_RETRY				4
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/**********************************************************/
/*                     INTERFACE                          */
/**********************************************************/
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#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
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	bnx2x_cl45_write(_bp, _phy, \
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		(_phy)->def_md_devad, \
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		(_bank + (_addr & 0xf)), \
		_val)

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

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

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

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

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

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/******************************************************************/
/*			EPIO/GPIO section			  */
/******************************************************************/
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static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
{
	u32 epio_mask, gp_oenable;
	*en = 0;
	/* Sanity check */
	if (epio_pin > 31) {
		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
		return;
	}

	epio_mask = 1 << epio_pin;
	/* Set this EPIO to output */
	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);

	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
}
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static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
{
	u32 epio_mask, gp_output, gp_oenable;

	/* Sanity check */
	if (epio_pin > 31) {
		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
		return;
	}
	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
	epio_mask = 1 << epio_pin;
	/* Set this EPIO to output */
	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
	if (en)
		gp_output |= epio_mask;
	else
		gp_output &= ~epio_mask;

	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);

	/* Set the value for this EPIO */
	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
}

static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
{
	if (pin_cfg == PIN_CFG_NA)
		return;
	if (pin_cfg >= PIN_CFG_EPIO0) {
		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
	} else {
		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
	}
}

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static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
{
	if (pin_cfg == PIN_CFG_NA)
		return -EINVAL;
	if (pin_cfg >= PIN_CFG_EPIO0) {
		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
	} else {
		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
	}
	return 0;

}
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/******************************************************************/
/*				ETS section			  */
/******************************************************************/
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static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
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{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;

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	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
405

406
	/* mapping between entry  priority to client number (0,1,2 -debug and
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	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
	 */

	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
414
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
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	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
	 * COS0 entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2   bit1	  bit0
	 * MCP and debug are strict
	 */

	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
	/* defines which entries (clients) are subjected to WFQ arbitration */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
425
	/* For strict priority entries defines the number of consecutive
426 427
	 * slots for the highest priority.
	 */
428
	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
429
	/* mapping between the CREDIT_WEIGHT registers and actual client
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	 * 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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	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
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	 * weight for COS0/COS1.
	 */
	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}
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/******************************************************************************
* Description:
*	Getting min_w_val will be set according to line speed .
*.
******************************************************************************/
static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
{
	u32 min_w_val = 0;
	/* Calculate min_w_val.*/
	if (vars->link_up) {
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		if (vars->line_speed == SPEED_20000)
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			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
		else
			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
	} else
		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
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	/* If the link isn't up (static configuration for example ) The
	 * link will be according to 20GBPS.
	 */
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	return min_w_val;
}
/******************************************************************************
* Description:
*	Getting credit upper bound form min_w_val.
*.
******************************************************************************/
static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
{
	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
						MAX_PACKET_SIZE);
	return credit_upper_bound;
}
/******************************************************************************
* Description:
*	Set credit upper bound for NIG.
*.
******************************************************************************/
static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
	const struct link_params *params,
	const u32 min_w_val)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u32 credit_upper_bound =
	    bnx2x_ets_get_credit_upper_bound(min_w_val);

	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);

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	if (!port) {
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		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
			credit_upper_bound);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
			credit_upper_bound);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
			credit_upper_bound);
	}
}
/******************************************************************************
* Description:
*	Will return the NIG ETS registers to init values.Except
*	credit_upper_bound.
*	That isn't used in this configuration (No WFQ is enabled) and will be
*	configured acording to spec
*.
******************************************************************************/
static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
					const struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
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	/* Mapping between entry  priority to client number (0,1,2 -debug and
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	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
	 * reset value or init tool
	 */
	if (port) {
		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
	} else {
		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
	}
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	/* For strict priority entries defines the number of consecutive
	 * slots for the highest priority.
	 */
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	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
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	/* Mapping between the CREDIT_WEIGHT registers and actual client
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	 * numbers
	 */
	if (port) {
		/*Port 1 has 6 COS*/
		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
	} else {
		/*Port 0 has 9 COS*/
		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
		       0x43210876);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
	}

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	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
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	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
	 * COS0 entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2   bit1	  bit0
	 * MCP and debug are strict
	 */
	if (port)
		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
	else
		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
	/* defines which entries (clients) are subjected to WFQ arbitration */
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);

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	/* Please notice the register address are note continuous and a
	 * for here is note appropriate.In 2 port mode port0 only COS0-5
	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
	 * are never used for WFQ
	 */
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	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
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	if (!port) {
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		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
	}

	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
}
/******************************************************************************
* Description:
*	Set credit upper bound for PBF.
*.
******************************************************************************/
static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
	const struct link_params *params,
	const u32 min_w_val)
{
	struct bnx2x *bp = params->bp;
	const u32 credit_upper_bound =
	    bnx2x_ets_get_credit_upper_bound(min_w_val);
	const u8 port = params->port;
	u32 base_upper_bound = 0;
	u8 max_cos = 0;
	u8 i = 0;
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	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
	 * port mode port1 has COS0-2 that can be used for WFQ.
	 */
625
	if (!port) {
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		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
	} else {
		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
	}

	for (i = 0; i < max_cos; i++)
		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
}

/******************************************************************************
* Description:
*	Will return the PBF ETS registers to init values.Except
*	credit_upper_bound.
*	That isn't used in this configuration (No WFQ is enabled) and will be
*	configured acording to spec
*.
******************************************************************************/
static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
	u8 i = 0;
	u32 base_weight = 0;
	u8 max_cos = 0;

654
	/* Mapping between entry  priority to client number 0 - COS0
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	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
	 * TODO_ETS - Should be done by reset value or init tool
	 */
	if (port)
		/*  0x688 (|011|0 10|00 1|000) */
		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
	else
		/*  (10 1|100 |011|0 10|00 1|000) */
		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);

	/* TODO_ETS - Should be done by reset value or init tool */
	if (port)
		/* 0x688 (|011|0 10|00 1|000)*/
		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
	else
	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);

	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);


	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);

	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
682 683 684
	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
	 */
685
	if (!port) {
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		base_weight = PBF_REG_COS0_WEIGHT_P0;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
	} else {
		base_weight = PBF_REG_COS0_WEIGHT_P1;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
	}

	for (i = 0; i < max_cos; i++)
		REG_WR(bp, base_weight + (0x4 * i), 0);

	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
}
/******************************************************************************
* Description:
*	E3B0 disable will return basicly the values to init values.
*.
******************************************************************************/
static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
				   const struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;

	if (!CHIP_IS_E3B0(bp)) {
709 710
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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		return -EINVAL;
	}

	bnx2x_ets_e3b0_nig_disabled(params, vars);

	bnx2x_ets_e3b0_pbf_disabled(params);

	return 0;
}

/******************************************************************************
* Description:
*	Disable will return basicly the values to init values.
724
*
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******************************************************************************/
int bnx2x_ets_disabled(struct link_params *params,
		      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	int bnx2x_status = 0;

	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
		bnx2x_ets_e2e3a0_disabled(params);
	else if (CHIP_IS_E3B0(bp))
		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
	else {
		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
		return -EINVAL;
	}

	return bnx2x_status;
}

/******************************************************************************
* Description
*	Set the COS mappimg to SP and BW until this point all the COS are not
*	set as SP or BW.
******************************************************************************/
static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
				  const struct bnx2x_ets_params *ets_params,
				  const u8 cos_sp_bitmap,
				  const u8 cos_bw_bitmap)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;

	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);

	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
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	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
	       nig_cli_subject2wfq_bitmap);

	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
	       pbf_cli_subject2wfq_bitmap);

	return 0;
}

/******************************************************************************
* Description:
*	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
*	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
				     const u8 cos_entry,
				     const u32 min_w_val_nig,
				     const u32 min_w_val_pbf,
				     const u16 total_bw,
				     const u8 bw,
				     const u8 port)
{
	u32 nig_reg_adress_crd_weight = 0;
	u32 pbf_reg_adress_crd_weight = 0;
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	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
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	switch (cos_entry) {
	case 0:
	    nig_reg_adress_crd_weight =
		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
	     pbf_reg_adress_crd_weight = (port) ?
		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
	     break;
	case 1:
	     nig_reg_adress_crd_weight = (port) ?
		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
	     pbf_reg_adress_crd_weight = (port) ?
		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
	     break;
	case 2:
	     nig_reg_adress_crd_weight = (port) ?
		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;

		 pbf_reg_adress_crd_weight = (port) ?
		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
	     break;
	case 3:
	    if (port)
			return -EINVAL;
	     nig_reg_adress_crd_weight =
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
	     pbf_reg_adress_crd_weight =
		 PBF_REG_COS3_WEIGHT_P0;
	     break;
	case 4:
	    if (port)
		return -EINVAL;
	     nig_reg_adress_crd_weight =
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
	     break;
	case 5:
	    if (port)
		return -EINVAL;
	     nig_reg_adress_crd_weight =
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
	     break;
	}

	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);

	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);

	return 0;
}
/******************************************************************************
* Description:
*	Calculate the total BW.A value of 0 isn't legal.
853
*
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******************************************************************************/
static int bnx2x_ets_e3b0_get_total_bw(
	const struct link_params *params,
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	struct bnx2x_ets_params *ets_params,
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	u16 *total_bw)
{
	struct bnx2x *bp = params->bp;
	u8 cos_idx = 0;
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	u8 is_bw_cos_exist = 0;
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	*total_bw = 0 ;
	/* Calculate total BW requested */
	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
867
		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
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			is_bw_cos_exist = 1;
			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
						   "was set to 0\n");
872
				/* This is to prevent a state when ramrods
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				 * can't be sent
874
				 */
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				ets_params->cos[cos_idx].params.bw_params.bw
					 = 1;
			}
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			*total_bw +=
				ets_params->cos[cos_idx].params.bw_params.bw;
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		}
	}

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	/* Check total BW is valid */
884 885
	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
		if (*total_bw == 0) {
886
			DP(NETIF_MSG_LINK,
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			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
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			return -EINVAL;
		}
890
		DP(NETIF_MSG_LINK,
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		   "bnx2x_ets_E3B0_config total BW should be 100\n");
892
		/* We can handle a case whre the BW isn't 100 this can happen
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		 * if the TC are joined.
		 */
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	}
	return 0;
}

/******************************************************************************
* Description:
*	Invalidate all the sp_pri_to_cos.
902
*
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******************************************************************************/
static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
{
	u8 pri = 0;
	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
}
/******************************************************************************
* Description:
*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
*	according to sp_pri_to_cos.
914
*
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******************************************************************************/
static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
					    u8 *sp_pri_to_cos, const u8 pri,
					    const u8 cos_entry)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
		DCBX_E3B0_MAX_NUM_COS_PORT0;

925
	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
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		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
927
				   "parameter There can't be two COS's with "
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				   "the same strict pri\n");
		return -EINVAL;
	}

	if (pri > max_num_of_cos) {
933
		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
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		   "parameter Illegal strict priority\n");
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	    return -EINVAL;
	}

	sp_pri_to_cos[pri] = cos_entry;
	return 0;

}

/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in
*	the sp_pri_cli register.
947
*
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******************************************************************************/
static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
					 const u8 pri_set,
					 const u8 pri_offset,
					 const u8 entry_size)
{
	u64 pri_cli_nig = 0;
	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
						    (pri_set + pri_offset));

	return pri_cli_nig;
}
/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in the
*	sp_pri_cli register for NIG.
964
*
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******************************************************************************/
static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
{
	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
	const u8 nig_cos_offset = 3;
	const u8 nig_pri_offset = 3;

	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
		nig_pri_offset, 4);

}
/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in the
*	sp_pri_cli register for PBF.
980
*
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******************************************************************************/
static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
{
	const u8 pbf_cos_offset = 0;
	const u8 pbf_pri_offset = 0;

	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
		pbf_pri_offset, 3);

}

/******************************************************************************
* Description:
*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
*	according to sp_pri_to_cos.(which COS has higher priority)
996
*
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******************************************************************************/
static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
					     u8 *sp_pri_to_cos)
{
	struct bnx2x *bp = params->bp;
	u8 i = 0;
	const u8 port = params->port;
	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
	u64 pri_cli_nig = 0x210;
	u32 pri_cli_pbf = 0x0;
	u8 pri_set = 0;
	u8 pri_bitmask = 0;
	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
		DCBX_E3B0_MAX_NUM_COS_PORT0;

	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;

	/* Set all the strict priority first */
	for (i = 0; i < max_num_of_cos; i++) {
1016 1017
		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
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				DP(NETIF_MSG_LINK,
					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
					   "invalid cos entry\n");
				return -EINVAL;
			}

			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
			    sp_pri_to_cos[i], pri_set);

			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
			    sp_pri_to_cos[i], pri_set);
			pri_bitmask = 1 << sp_pri_to_cos[i];
			/* COS is used remove it from bitmap.*/
1031
			if (!(pri_bitmask & cos_bit_to_set)) {
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				DP(NETIF_MSG_LINK,
					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
					"invalid There can't be two COS's with"
					" the same strict pri\n");
				return -EINVAL;
			}
			cos_bit_to_set &= ~pri_bitmask;
			pri_set++;
		}
	}

	/* Set all the Non strict priority i= COS*/
	for (i = 0; i < max_num_of_cos; i++) {
		pri_bitmask = 1 << i;
		/* Check if COS was already used for SP */
		if (pri_bitmask & cos_bit_to_set) {
			/* COS wasn't used for SP */
			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
			    i, pri_set);

			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
			    i, pri_set);
			/* COS is used remove it from bitmap.*/
			cos_bit_to_set &= ~pri_bitmask;
			pri_set++;
		}
	}

	if (pri_set != max_num_of_cos) {
		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
				   "entries were set\n");
		return -EINVAL;
	}

	if (port) {
		/* Only 6 usable clients*/
		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
		       (u32)pri_cli_nig);

		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
	} else {
		/* Only 9 usable clients*/
		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);

		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
		       pri_cli_nig_lsb);
		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
		       pri_cli_nig_msb);

		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
	}
	return 0;
}

/******************************************************************************
* Description:
*	Configure the COS to ETS according to BW and SP settings.
******************************************************************************/
int bnx2x_ets_e3b0_config(const struct link_params *params,
			 const struct link_vars *vars,
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			 struct bnx2x_ets_params *ets_params)
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{
	struct bnx2x *bp = params->bp;
	int bnx2x_status = 0;
	const u8 port = params->port;
	u16 total_bw = 0;
	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
	u8 cos_bw_bitmap = 0;
	u8 cos_sp_bitmap = 0;
	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
		DCBX_E3B0_MAX_NUM_COS_PORT0;
	u8 cos_entry = 0;

	if (!CHIP_IS_E3B0(bp)) {
1109 1110
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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		return -EINVAL;
	}

	if ((ets_params->num_of_cos > max_num_of_cos)) {
		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
				   "isn't supported\n");
		return -EINVAL;
	}

	/* Prepare sp strict priority parameters*/
	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);

	/* Prepare BW parameters*/
	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
						   &total_bw);
1126
	if (bnx2x_status) {
1127 1128
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
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		return -EINVAL;
	}

1132
	/* Upper bound is set according to current link speed (min_w_val
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	 * should be the same for upper bound and COS credit val).
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	 */
	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);


	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
			cos_bw_bitmap |= (1 << cos_entry);
1142
			/* The function also sets the BW in HW(not the mappin
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			 * yet)
			 */
			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
				total_bw,
				ets_params->cos[cos_entry].params.bw_params.bw,
				 port);
		} else if (bnx2x_cos_state_strict ==
			ets_params->cos[cos_entry].state){
			cos_sp_bitmap |= (1 << cos_entry);

			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
				params,
				sp_pri_to_cos,
				ets_params->cos[cos_entry].params.sp_params.pri,
				cos_entry);

		} else {
1161 1162
			DP(NETIF_MSG_LINK,
			   "bnx2x_ets_e3b0_config cos state not valid\n");
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			return -EINVAL;
		}
1165
		if (bnx2x_status) {
1166 1167
			DP(NETIF_MSG_LINK,
			   "bnx2x_ets_e3b0_config set cos bw failed\n");
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			return bnx2x_status;
		}
	}

	/* Set SP register (which COS has higher priority) */
	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
							 sp_pri_to_cos);

1176
	if (bnx2x_status) {
1177 1178
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
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		return bnx2x_status;
	}

	/* Set client mapping of BW and strict */
	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
					      cos_sp_bitmap,
					      cos_bw_bitmap);

1187
	if (bnx2x_status) {
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		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
		return bnx2x_status;
	}
	return 0;
}
1193
static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1194 1195 1196 1197
{
	/* ETS disabled configuration */
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1198
	/* Defines which entries (clients) are subjected to WFQ arbitration
1199 1200 1201
	 * COS0 0x8
	 * COS1 0x10
	 */
1202
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1203
	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1204 1205 1206 1207 1208
	 * 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
	 */
1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220
	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);
1221
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1222 1223 1224 1225 1226 1227
	 * 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
	 */
1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
	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");

1248 1249 1250
	if ((!total_bw) ||
	    (!cos0_bw) ||
	    (!cos1_bw)) {
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		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268
		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)
1270 1271 1272 1273 1274 1275
{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;
	u32 val	= 0;

	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1276
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1277 1278 1279 1280 1281 1282 1283
	 * 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);
1284
	/* For strict priority entries defines the number of consecutive slots
1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295
	 * 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);

1296
	/* Mapping between entry  priority to client number (0,1,2 -debug and
1297 1298 1299 1300 1301 1302
	 * 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
	 */
1303
	val = (!strict_cos) ? 0x2318 : 0x22E0;
1304 1305 1306 1307 1308
	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);

	return 0;
}
/******************************************************************/
1309
/*			PFC section				  */
1310
/******************************************************************/
1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330
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)) {

1331
		/* RX flow control - Process pause frame in receive direction
1332 1333 1334 1335
		 */
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;

1336
		/* TX flow control - Send pause packet when buffer is full */
1337 1338 1339 1340 1341 1342
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
	} else {/* PFC support */
		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
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			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
		/* Write pause and PFC registers */
		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;

1351 1352 1353 1354 1355 1356 1357 1358
	}

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


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	/* Set MAC address for source TX Pause/PFC frames */
	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
	       ((params->mac_addr[2] << 24) |
		(params->mac_addr[3] << 16) |
		(params->mac_addr[4] << 8) |
		(params->mac_addr[5])));
	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
	       ((params->mac_addr[0] << 8) |
		(params->mac_addr[1])));
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	udelay(30);
}
1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403


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

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

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

	pfc_frames_received[0] = val_xon + val_xoff;

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

	pfc_frames_sent[0] = val_xon + val_xoff;
}

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/* Read pfc statistic*/
1405 1406 1407 1408 1409 1410
void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
			 u32 pfc_frames_sent[2],
			 u32 pfc_frames_received[2])
{
	/* Read pfc statistic */
	struct bnx2x *bp = params->bp;
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1412 1413 1414 1415 1416
	DP(NETIF_MSG_LINK, "pfc statistic\n");

	if (!vars->link_up)
		return;

1417
	if (vars->mac_type == MAC_TYPE_EMAC) {
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		DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
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		bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
					pfc_frames_received);
	}
}
/******************************************************************/
/*			MAC/PBF section				  */
/******************************************************************/
1426 1427 1428
static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
{
	u32 mode, emac_base;
1429
	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1430 1431 1432 1433 1434 1435 1436 1437 1438 1439
	 * (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);
1440 1441 1442 1443
	if (USES_WARPCORE(bp))
		mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
	else
		mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1444 1445 1446 1447 1448 1449

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

	udelay(40);
}
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static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
{
	u32 port4mode_ovwr_val;
	/* Check 4-port override enabled */
	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
	if (port4mode_ovwr_val & (1<<0)) {
		/* Return 4-port mode override value */
		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
	}
	/* Return 4-port mode from input pin */
	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
}
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static void bnx2x_emac_init(struct link_params *params,
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			    struct link_vars *vars)
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{
	/* reset and unreset the emac core */
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val;
	u16 timeout;

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
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	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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	udelay(5);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
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	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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	/* init emac - use read-modify-write */
	/* self clear reset */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1482
	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
1485
	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--;
1493
	} while (val & EMAC_MODE_RESET);
1494
	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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}

1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520
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);
}

1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532
static void bnx2x_umac_disable(struct link_params *params)
{
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
	struct bnx2x *bp = params->bp;
	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
		return;

	/* Disable RX and TX */
	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
}

1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573
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 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;
	}
1574 1575 1576 1577 1578 1579
	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;

	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;

1580 1581 1582
	if (vars->duplex == DUPLEX_HALF)
		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;

1583 1584 1585
	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	udelay(50);

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	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
	       ((params->mac_addr[2] << 24) |
		(params->mac_addr[3] << 16) |
		(params->mac_addr[4] << 8) |
		(params->mac_addr[5])));
	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
	       ((params->mac_addr[0] << 8) |
		(params->mac_addr[1])));

1596 1597 1598
	/* Enable RX and TX */
	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1599
		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610
	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);

1611
	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1612 1613 1614 1615 1616 1617 1618 1619 1620 1621
	 * length used by the MAC receive logic to check frames.
	 */
	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
	bnx2x_set_xumac_nig(params,
			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
	vars->mac_type = MAC_TYPE_UMAC;

}

/* Define the XMAC mode */
1622
static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1623
{
1624
	struct bnx2x *bp = params->bp;
1625 1626
	u32 is_port4mode = bnx2x_is_4_port_mode(bp);

1627
	/* In 4-port mode, need to set the mode only once, so if XMAC is
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	 * already out of reset, it means the mode has already been set,
	 * and it must not* reset the XMAC again, since it controls both
	 * ports of the path
	 */
1632

1633 1634
	if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1635
	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1636 1637
		DP(NETIF_MSG_LINK,
		   "XMAC already out of reset in 4-port mode\n");
1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650
		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");

1651
		/* Set the number of ports on the system side to up to 2 */
1652 1653 1654 1655 1656
		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 {
1657
		/* Set the number of ports on the system side to 1 */
1658 1659
		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
		if (max_speed == SPEED_10000) {
1660 1661
			DP(NETIF_MSG_LINK,
			   "Init XMAC to 10G x 1 port per path\n");
1662 1663 1664
			/* Set the number of ports on the Warp Core to 10G */
			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
		} else {
1665 1666
			DP(NETIF_MSG_LINK,
			   "Init XMAC to 20G x 2 ports per path\n");
1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
			/* 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;
1685
	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1686 1687 1688

	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1689
		/* Send an indication to change the state in the NIG back to XON
1690 1691 1692 1693 1694 1695 1696 1697
		 * Clearing this bit enables the next set of this bit to get
		 * rising edge
		 */
		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
		       (pfc_ctrl & ~(1<<1)));
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
		       (pfc_ctrl | (1<<1)));
1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711
		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
		REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
	}
}

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;

1712
	bnx2x_xmac_init(params, vars->line_speed);
1713

1714
	/* This register determines on which events the MAC will assert
1715 1716 1717
	 * error on the i/f to the NIG along w/ EOP.
	 */

1718
	/* This register tells the NIG whether to send traffic to UMAC
1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736
	 * 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)
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		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1738 1739 1740 1741 1742 1743 1744 1745
	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,
1748
			     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");

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	/* Disable BMAC */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

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	/* 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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1773
		/* select XGXS */
Y
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1774
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Y
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1775 1776 1777 1778

	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "SerDes\n");
		/* select SerDes */
Y
Yaniv Rosner 已提交
1779
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Y
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1780 1781
	}

E
Eilon Greenstein 已提交
1782
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Y
Yaniv Rosner 已提交
1783
		      EMAC_RX_MODE_RESET);
E
Eilon Greenstein 已提交
1784
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Y
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1785
		      EMAC_TX_MODE_RESET);
Y
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1786 1787 1788 1789

	if (CHIP_REV_IS_SLOW(bp)) {
		/* config GMII mode */
		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Y
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1790
		EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Y
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1791 1792 1793 1794 1795 1796
	} 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,
1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813
			       (EMAC_TX_MODE_EXT_PAUSE_EN |
				EMAC_TX_MODE_FLOW_EN));
		if (!(params->feature_config_flags &
		      FEATURE_CONFIG_PFC_ENABLED)) {
			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
				bnx2x_bits_en(bp, emac_base +
					      EMAC_REG_EMAC_RX_MODE,
					      EMAC_RX_MODE_FLOW_EN);

			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
				bnx2x_bits_en(bp, emac_base +
					      EMAC_REG_EMAC_TX_MODE,
					      (EMAC_TX_MODE_EXT_PAUSE_EN |
					       EMAC_TX_MODE_FLOW_EN));
		} else
			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
				      EMAC_TX_MODE_FLOW_EN);
Y
Yaniv Rosner 已提交
1814 1815 1816 1817 1818
	}

	/* 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;
1819

1820
	/* Setting this bit causes MAC control frames (except for pause
1821 1822 1823 1824 1825 1826
	 * 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.
	 */
1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
	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;
	}
1843
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Y
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1844 1845 1846 1847 1848 1849 1850

	/* Set Loopback */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
1851
	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Y
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1852

E
Eilon Greenstein 已提交
1853 1854 1855
	/* enable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);

Y
Yaniv Rosner 已提交
1856
	/* enable emac for jumbo packets */
1857
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Y
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1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871
		(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;
1872 1873 1874
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
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1875 1876 1877 1878 1879
		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);

1880
	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Y
Yaniv Rosner 已提交
1881 1882 1883 1884 1885

	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}

1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917
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)
D
Dmitry Kravkov 已提交
1918
{
1919
	/* Set rx control: Strip CRC and enable BigMAC to relay
D
Dmitry Kravkov 已提交
1920 1921 1922 1923 1924 1925 1926
	 * control packets to the system as well
	 */
	u32 wb_data[2];
	struct bnx2x *bp = params->bp;
	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 val = 0x14;
Y
Yaniv Rosner 已提交
1927

1928 1929 1930
	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
D
Dmitry Kravkov 已提交
1931 1932 1933 1934
		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1935
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
1936
	udelay(30);
Y
Yaniv Rosner 已提交
1937

D
Dmitry Kravkov 已提交
1938 1939
	/* Tx control */
	val = 0xc0;
1940 1941 1942
	if (!(params->feature_config_flags &
				FEATURE_CONFIG_PFC_ENABLED) &&
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
D
Dmitry Kravkov 已提交
1943 1944 1945
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969
	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);
D
Dmitry Kravkov 已提交
1970

1971
	/* Set Time (based unit is 512 bit time) between automatic
1972 1973 1974 1975
	 * re-sending of PP packets amd enable automatic re-send of
	 * Per-Priroity Packet as long as pp_gen is asserted and
	 * pp_disable is low.
	 */
D
Dmitry Kravkov 已提交
1976
	val = 0x8000;
1977 1978 1979
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= (1<<16); /* enable automatic re-send */

D
Dmitry Kravkov 已提交
1980 1981 1982
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Y
Yaniv Rosner 已提交
1983
		    wb_data, 2);
D
Dmitry Kravkov 已提交
1984 1985 1986 1987 1988 1989 1990

	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
1991 1992 1993
	/* When PFC enabled, Pass pause frames towards the NIG. */
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= ((1<<6)|(1<<5));
D
Dmitry Kravkov 已提交
1994 1995 1996

	wb_data[0] = val;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1997
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
1998 1999
}

2000 2001 2002 2003 2004 2005 2006 2007 2008
/* 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 {
Y
Yaniv Rosner 已提交
2009 2010
	u32 per_class_guaranty_mode;
	u32 lb_guarantied_hyst;
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
	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;
Y
Yaniv Rosner 已提交
2023 2024 2025
	struct bnx2x_pfc_brb_threshold_val default_class0;
	struct bnx2x_pfc_brb_threshold_val default_class1;

2026 2027 2028 2029 2030 2031 2032
};
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");
Y
Yaniv Rosner 已提交
2033 2034 2035 2036 2037 2038

	config_val->default_class1.pause_xoff = 0;
	config_val->default_class1.pause_xon = 0;
	config_val->default_class1.full_xoff = 0;
	config_val->default_class1.full_xon = 0;

2039
	if (CHIP_IS_E2(bp)) {
2040
		/* Class0 defaults */
Y
Yaniv Rosner 已提交
2041 2042 2043
		config_val->default_class0.pause_xoff =
			DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
		config_val->default_class0.pause_xon =
Y
Yaniv Rosner 已提交
2044
			DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
Y
Yaniv Rosner 已提交
2045
		config_val->default_class0.full_xoff =
Y
Yaniv Rosner 已提交
2046
			DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
Y
Yaniv Rosner 已提交
2047
		config_val->default_class0.full_xon =
Y
Yaniv Rosner 已提交
2048
			DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
2049
		/* Pause able*/
2050
		config_val->pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2051
			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2052
		config_val->pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2053
			PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2054
		config_val->pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2055
			PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2056
		config_val->pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2057
			PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2058 2059
		/* non pause able*/
		config_val->non_pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2060
			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2061
		config_val->non_pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2062
			PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2063
		config_val->non_pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2064
			PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2065
		config_val->non_pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2066
			PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2067
	} else if (CHIP_IS_E3A0(bp)) {
2068
		/* Class0 defaults */
Y
Yaniv Rosner 已提交
2069 2070 2071
		config_val->default_class0.pause_xoff =
			DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
		config_val->default_class0.pause_xon =
Y
Yaniv Rosner 已提交
2072
			DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
Y
Yaniv Rosner 已提交
2073
		config_val->default_class0.full_xoff =
Y
Yaniv Rosner 已提交
2074
			DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
Y
Yaniv Rosner 已提交
2075
		config_val->default_class0.full_xon =
Y
Yaniv Rosner 已提交
2076
			DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
2077
		/* Pause able */
2078
		config_val->pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2079
			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2080
		config_val->pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2081
			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2082
		config_val->pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2083
			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2084
		config_val->pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2085
			PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2086 2087
		/* non pause able*/
		config_val->non_pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2088
			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2089
		config_val->non_pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2090
			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2091
		config_val->non_pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2092
			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2093
		config_val->non_pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2094
			PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2095
	} else if (CHIP_IS_E3B0(bp)) {
2096
		/* Class0 defaults */
Y
Yaniv Rosner 已提交
2097 2098 2099 2100 2101 2102 2103 2104 2105
		config_val->default_class0.pause_xoff =
			DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
		config_val->default_class0.pause_xon =
		    DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
		config_val->default_class0.full_xoff =
		    DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
		config_val->default_class0.full_xon =
		    DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;

2106
		if (params->phy[INT_PHY].flags &
Y
Yaniv Rosner 已提交
2107
		    FLAGS_4_PORT_MODE) {
2108
			config_val->pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2109
				PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2110
			config_val->pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2111
				PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2112
			config_val->pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2113
				PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2114
			config_val->pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2115
				PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2116 2117
			/* non pause able*/
			config_val->non_pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2118
			PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2119
			config_val->non_pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2120
			PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2121
			config_val->non_pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2122
			PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2123
			config_val->non_pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2124 2125 2126 2127 2128
			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 =
Y
Yaniv Rosner 已提交
2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143
				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;
		}
2144 2145 2146 2147 2148 2149
	} else
	    return -EINVAL;

	return 0;
}

Y
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static void bnx2x_pfc_brb_get_e3b0_config_params(
		struct link_params *params,
		struct bnx2x_pfc_brb_e3b0_val
		*e3b0_val,
		struct bnx2x_nig_brb_pfc_port_params *pfc_params,
		const u8 pfc_enabled)
2156
{
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	if (pfc_enabled && pfc_params) {
		e3b0_val->per_class_guaranty_mode = 1;
		e3b0_val->lb_guarantied_hyst = 80;

		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 (pfc_params->cos0_pauseable !=
				pfc_params->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 (pfc_params->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;
			}
		}
	} else {
		e3b0_val->per_class_guaranty_mode = 0;
		e3b0_val->lb_guarantied_hyst = 0;
2213
		e3b0_val->full_lb_xoff_th =
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			DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
2215
		e3b0_val->full_lb_xon_threshold =
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			DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
2217
		e3b0_val->lb_guarantied =
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			DEFAULT_E3B0_LB_GUART;
2219
		e3b0_val->mac_0_class_t_guarantied =
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			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
2221
		e3b0_val->mac_0_class_t_guarantied_hyst =
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			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
2223
		e3b0_val->mac_1_class_t_guarantied =
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			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
2225
		e3b0_val->mac_1_class_t_guarantied_hyst =
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			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
2227 2228 2229 2230 2231 2232
	}
}
static int bnx2x_update_pfc_brb(struct link_params *params,
				struct link_vars *vars,
				struct bnx2x_nig_brb_pfc_port_params
				*pfc_params)
2233 2234
{
	struct bnx2x *bp = params->bp;
2235 2236
	struct bnx2x_pfc_brb_th_val config_val = { {0} };
	struct bnx2x_pfc_brb_threshold_val *reg_th_config =
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		&config_val.pauseable_th;
2238
	struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
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	const int set_pfc = params->feature_config_flags &
2240
		FEATURE_CONFIG_PFC_ENABLED;
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	const u8 pfc_enabled = (set_pfc && pfc_params);
2242 2243
	int bnx2x_status = 0;
	u8 port = params->port;
2244 2245

	/* default - pause configuration */
2246 2247
	reg_th_config = &config_val.pauseable_th;
	bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2248
	if (bnx2x_status)
2249
		return bnx2x_status;
2250

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	if (pfc_enabled) {
2252
		/* First COS */
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		if (pfc_params->cos0_pauseable)
			reg_th_config = &config_val.pauseable_th;
		else
2256
			reg_th_config = &config_val.non_pauseable_th;
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	} else
		reg_th_config = &config_val.default_class0;
2259
	/* The number of free blocks below which the pause signal to class 0
2260 2261
	 * of MAC #n is asserted. n=0,1
	 */
2262 2263 2264
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
	       BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
	       reg_th_config->pause_xoff);
2265
	/* The number of free blocks above which the pause signal to class 0
2266 2267
	 * of MAC #n is de-asserted. n=0,1
	 */
2268 2269
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
	       BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
2270
	/* The number of free blocks below which the full signal to class 0
2271 2272
	 * of MAC #n is asserted. n=0,1
	 */
2273 2274
	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
	       BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
2275
	/* The number of free blocks above which the full signal to class 0
2276 2277
	 * of MAC #n is de-asserted. n=0,1
	 */
2278 2279
	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
	       BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
2280

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	if (pfc_enabled) {
2282
		/* Second COS */
2283 2284 2285 2286
		if (pfc_params->cos1_pauseable)
			reg_th_config = &config_val.pauseable_th;
		else
			reg_th_config = &config_val.non_pauseable_th;
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	} else
		reg_th_config = &config_val.default_class1;
2289
	/* The number of free blocks below which the pause signal to
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	 * class 1 of MAC #n is asserted. n=0,1
	 */
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
	       BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
	       reg_th_config->pause_xoff);

2296
	/* The number of free blocks above which the pause signal to
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	 * class 1 of MAC #n is de-asserted. n=0,1
	 */
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
	       BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
	       reg_th_config->pause_xon);
2302
	/* The number of free blocks below which the full signal to
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	 * class 1 of MAC #n is asserted. n=0,1
	 */
	REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
	       BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
	       reg_th_config->full_xoff);
2308
	/* The number of free blocks above which the full signal to
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	 * class 1 of MAC #n is de-asserted. n=0,1
	 */
	REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
	       BRB1_REG_FULL_1_XON_THRESHOLD_0,
	       reg_th_config->full_xon);
2314

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	if (CHIP_IS_E3B0(bp)) {
		bnx2x_pfc_brb_get_e3b0_config_params(
			params,
			&e3b0_val,
			pfc_params,
			pfc_enabled);
2321

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		REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
			   e3b0_val.per_class_guaranty_mode);
2324

2325
		/* The hysteresis on the guarantied buffer space for the Lb
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		 * port before signaling XON.
		 */
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		REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
			   e3b0_val.lb_guarantied_hyst);
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2330

2331
		/* The number of free blocks below which the full signal to the
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		 * LB port is asserted.
		 */
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2334
		REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
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2335
		       e3b0_val.full_lb_xoff_th);
2336
		/* The number of free blocks above which the full signal to the
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		 * LB port is de-asserted.
		 */
		REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
		       e3b0_val.full_lb_xon_threshold);
2341
		/* The number of blocks guarantied for the MAC #n port. n=0,1
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2342 2343
		 */

2344
		/* The number of blocks guarantied for the LB port. */
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		REG_WR(bp, BRB1_REG_LB_GUARANTIED,
		       e3b0_val.lb_guarantied);

2348
		/* The number of blocks guarantied for the MAC #n port. */
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		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);
2353
		/* The number of blocks guarantied for class #t in MAC0. t=0,1
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		 */
		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);
2359
		/* The hysteresis on the guarantied buffer space for class in
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		 * 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);

2367
		/* The number of blocks guarantied for class #t in MAC1.t=0,1
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2368 2369 2370 2371 2372
		 */
		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);
2373
		/* The hysteresis on the guarantied buffer space for class #t
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		 * 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);
	}
2381 2382

	return bnx2x_status;
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 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432
/******************************************************************************
* 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;
}
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2433 2434 2435 2436 2437 2438 2439 2440 2441
static void bnx2x_update_mng(struct link_params *params, u32 link_status)
{
	struct bnx2x *bp = params->bp;

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

2442 2443 2444 2445 2446
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;
2447
	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2448 2449
	u32 pkt_priority_to_cos = 0;
	struct bnx2x *bp = params->bp;
2450 2451
	u8 port = params->port;

2452 2453 2454 2455
	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;
	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");

2456
	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2457 2458 2459
	 * MAC control frames (that are not pause packets)
	 * will be forwarded to the XCM.
	 */
2460 2461
	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
			  NIG_REG_LLH0_XCM_MASK);
2462
	/* NIG params will override non PFC params, since it's possible to
2463 2464 2465 2466 2467 2468
	 * do transition from PFC to SAFC
	 */
	if (set_pfc) {
		pause_enable = 0;
		llfc_out_en = 0;
		llfc_enable = 0;
2469 2470 2471
		if (CHIP_IS_E3(bp))
			ppp_enable = 0;
		else
2472 2473 2474
		ppp_enable = 1;
		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2475 2476
		xcm_out_en = 0;
		hwpfc_enable = 1;
2477 2478 2479 2480 2481
	} else  {
		if (nig_params) {
			llfc_out_en = nig_params->llfc_out_en;
			llfc_enable = nig_params->llfc_enable;
			pause_enable = nig_params->pause_enable;
2482
		} else  /* Default non PFC mode - PAUSE */
2483 2484 2485 2486
			pause_enable = 1;

		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2487
		xcm_out_en = 1;
2488 2489
	}

2490 2491 2492
	if (CHIP_IS_E3(bp))
		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505
	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);

2506 2507
	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2508 2509

	/* output enable for RX_XCM # IF */
2510 2511
	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2512 2513

	/* HW PFC TX enable */
2514 2515
	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2516 2517

	if (nig_params) {
2518
		u8 i = 0;
2519 2520
		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;

2521 2522 2523
		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);
2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537

		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);
}

2538
int bnx2x_update_pfc(struct link_params *params,
2539 2540 2541
		      struct link_vars *vars,
		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
2542
	/* The PFC and pause are orthogonal to one another, meaning when
2543 2544 2545 2546 2547
	 * 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;
2548 2549
	int bnx2x_status = 0;
	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Y
Yaniv Rosner 已提交
2550 2551 2552 2553 2554 2555 2556 2557

	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;
	else
		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;

	bnx2x_update_mng(params, vars->link_status);

2558 2559 2560 2561
	/* update NIG params */
	bnx2x_update_pfc_nig(params, vars, pfc_params);

	/* update BRB params */
2562
	bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2563
	if (bnx2x_status)
2564
		return bnx2x_status;
2565 2566

	if (!vars->link_up)
2567
		return bnx2x_status;
2568 2569

	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2570 2571 2572 2573 2574
	if (CHIP_IS_E3(bp))
		bnx2x_update_pfc_xmac(params, vars, 0);
	else {
		val = REG_RD(bp, MISC_REG_RESET_REG_2);
		if ((val &
2575
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593
		    == 0) {
			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
			bnx2x_emac_enable(params, vars, 0);
			return bnx2x_status;
		}
		if (CHIP_IS_E2(bp))
			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
		else
			bnx2x_update_pfc_bmac1(params, vars);

		val = 0;
		if ((params->feature_config_flags &
		     FEATURE_CONFIG_PFC_ENABLED) ||
		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
			val = 1;
		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
	}
	return bnx2x_status;
2594
}
D
Dmitry Kravkov 已提交
2595

2596

Y
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2597 2598 2599
static int bnx2x_bmac1_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
Y
Yaniv Rosner 已提交
2600 2601 2602 2603 2604 2605 2606 2607
{
	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
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2608
	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Y
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2609 2610 2611 2612

	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
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2613 2614
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
Y
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2615 2616 2617 2618 2619 2620 2621 2622

	/* 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
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2623
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Y
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2624 2625 2626 2627 2628 2629 2630 2631 2632

	/* 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
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2633
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Y
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	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2638
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2639

2640
	bnx2x_update_pfc_bmac1(params, vars);
Y
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	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
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	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Y
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2646 2647 2648 2649

	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
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2650
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Y
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2651 2652 2653 2654 2655 2656

	/* 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
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	return 0;
}

Y
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static int bnx2x_bmac2_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
D
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2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674
{
	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
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2675
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
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2676 2677 2678 2679 2680
	udelay(30);

	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
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2681 2682
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
D
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2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693

	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
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2694
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2695 2696 2697 2698 2699 2700 2701

	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
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2702
		    wb_data, 2);
D
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2703 2704 2705 2706 2707
	udelay(30);

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

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
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2714
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2715 2716 2717 2718
	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
2719
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2720
	udelay(30);
2721
	bnx2x_update_pfc_bmac2(params, vars, is_lb);
D
Dmitry Kravkov 已提交
2722 2723 2724 2725

	return 0;
}

Y
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2726 2727 2728
static int bnx2x_bmac_enable(struct link_params *params,
			     struct link_vars *vars,
			     u8 is_lb)
D
Dmitry Kravkov 已提交
2729
{
Y
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2730 2731
	int rc = 0;
	u8 port = params->port;
D
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2732 2733 2734 2735
	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
2736
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2737
	msleep(1);
D
Dmitry Kravkov 已提交
2738 2739

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Y
Yaniv Rosner 已提交
2740
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
D
Dmitry Kravkov 已提交
2741 2742 2743 2744 2745 2746 2747 2748 2749

	/* 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
2750 2751 2752 2753
	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;
2754 2755 2756
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
2757 2758 2759 2760 2761 2762 2763 2764 2765
		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
2766
	return rc;
Y
Yaniv Rosner 已提交
2767 2768 2769 2770 2771
}

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
2772
			NIG_REG_INGRESS_BMAC0_MEM;
Y
Yaniv Rosner 已提交
2773
	u32 wb_data[2];
2774
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Y
Yaniv Rosner 已提交
2775 2776 2777 2778 2779 2780

	/* 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
2781 2782 2783
		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
2784 2785
				    BIGMAC2_REGISTER_BMAC_CONTROL,
				    wb_data, 2);
D
Dmitry Kravkov 已提交
2786 2787
			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
			REG_WR_DMAE(bp, bmac_addr +
Y
Yaniv Rosner 已提交
2788 2789
				    BIGMAC2_REGISTER_BMAC_CONTROL,
				    wb_data, 2);
D
Dmitry Kravkov 已提交
2790 2791 2792 2793 2794 2795 2796 2797 2798 2799
		} 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
2800 2801 2802 2803
		msleep(1);
	}
}

Y
Yaniv Rosner 已提交
2804 2805
static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
			    u32 line_speed)
Y
Yaniv Rosner 已提交
2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832
{
	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;
	}

2833
	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Y
Yaniv Rosner 已提交
2834 2835 2836 2837 2838
	    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
2839 2840 2841
		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
		/* update init credit */
Y
Yaniv Rosner 已提交
2842
		init_crd = 778;		/* (800-18-4) */
Y
Yaniv Rosner 已提交
2843 2844 2845 2846

	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
Y
Yaniv Rosner 已提交
2847
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Y
Yaniv Rosner 已提交
2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874
		/* 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;
		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;
}

2875 2876
/**
 * bnx2x_get_emac_base - retrive emac base address
2877
 *
2878 2879 2880
 * @bp:			driver handle
 * @mdc_mdio_access:	access type
 * @port:		port id
2881 2882 2883 2884 2885 2886 2887 2888 2889
 *
 * 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
 */
2890 2891
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
Y
Yaniv Rosner 已提交
2892
{
2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903
	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
2904 2905 2906 2907
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2908
		break;
2909 2910 2911 2912
	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
2913
		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2914 2915 2916 2917 2918 2919 2920 2921
		break;
	default:
		break;
	}
	return emac_base;

}

Y
Yaniv Rosner 已提交
2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998
/******************************************************************/
/*			CL22 access functions			  */
/******************************************************************/
static int bnx2x_cl22_write(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       u16 reg, u16 val)
{
	u32 tmp, mode;
	u8 i;
	int rc = 0;
	/* Switch to CL22 */
	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);

	/* address */
	tmp = ((phy->addr << 21) | (reg << 16) | val |
	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);

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

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

static int bnx2x_cl22_read(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u16 reg, u16 *ret_val)
{
	u32 val, mode;
	u16 i;
	int rc = 0;

	/* Switch to CL22 */
	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);

	/* address */
	val = ((phy->addr << 21) | (reg << 16) |
	       EMAC_MDIO_COMM_COMMAND_READ_22 |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);

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

		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
			udelay(5);
			break;
		}
	}
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");

		*ret_val = 0;
		rc = -EFAULT;
	}
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
	return rc;
}

2999 3000 3001
/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
3002 3003
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
3004
{
3005 3006
	u32 val;
	u16 i;
Y
Yaniv Rosner 已提交
3007
	int rc = 0;
3008 3009 3010
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			      EMAC_MDIO_STATUS_10MB);
Y
Yaniv Rosner 已提交
3011
	/* address */
3012
	val = ((phy->addr << 21) | (devad << 16) | reg |
Y
Yaniv Rosner 已提交
3013 3014
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
3015
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
3016 3017 3018 3019

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

3020 3021
		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
3022 3023 3024 3025
			udelay(5);
			break;
		}
	}
3026 3027
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");
3028
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3029
		*ret_val = 0;
Y
Yaniv Rosner 已提交
3030 3031 3032
		rc = -EFAULT;
	} else {
		/* data */
3033 3034
		val = ((phy->addr << 21) | (devad << 16) |
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
Y
Yaniv Rosner 已提交
3035
		       EMAC_MDIO_COMM_START_BUSY);
3036
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
3037 3038 3039 3040

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

3041
			val = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
3042
				     EMAC_REG_EMAC_MDIO_COMM);
3043 3044
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
Y
Yaniv Rosner 已提交
3045 3046 3047
				break;
			}
		}
3048 3049
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "read phy register failed\n");
3050
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3051
			*ret_val = 0;
Y
Yaniv Rosner 已提交
3052 3053 3054
			rc = -EFAULT;
		}
	}
3055 3056 3057 3058 3059 3060 3061 3062
	/* Work around for E3 A0 */
	if (phy->flags & FLAGS_MDC_MDIO_WA) {
		phy->flags ^= FLAGS_DUMMY_READ;
		if (phy->flags & FLAGS_DUMMY_READ) {
			u16 temp_val;
			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
		}
	}
Y
Yaniv Rosner 已提交
3063

3064 3065 3066
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
Y
Yaniv Rosner 已提交
3067 3068 3069
	return rc;
}

3070 3071
static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
3072
{
3073 3074
	u32 tmp;
	u8 i;
Y
Yaniv Rosner 已提交
3075
	int rc = 0;
3076 3077 3078
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			      EMAC_MDIO_STATUS_10MB);
Y
Yaniv Rosner 已提交
3079 3080

	/* address */
3081
	tmp = ((phy->addr << 21) | (devad << 16) | reg |
Y
Yaniv Rosner 已提交
3082 3083
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
3084
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
3085 3086 3087 3088

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

3089 3090
		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
3091 3092 3093 3094
			udelay(5);
			break;
		}
	}
3095 3096
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
3097
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
3098 3099 3100
		rc = -EFAULT;
	} else {
		/* data */
3101 3102
		tmp = ((phy->addr << 21) | (devad << 16) | val |
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
Y
Yaniv Rosner 已提交
3103
		       EMAC_MDIO_COMM_START_BUSY);
3104
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
3105 3106 3107 3108

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

3109
			tmp = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
3110
				     EMAC_REG_EMAC_MDIO_COMM);
3111 3112
			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
				udelay(5);
Y
Yaniv Rosner 已提交
3113 3114 3115
				break;
			}
		}
3116 3117
		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "write phy register failed\n");
3118
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
3119 3120 3121
			rc = -EFAULT;
		}
	}
3122 3123 3124 3125 3126 3127 3128 3129
	/* Work around for E3 A0 */
	if (phy->flags & FLAGS_MDC_MDIO_WA) {
		phy->flags ^= FLAGS_DUMMY_READ;
		if (phy->flags & FLAGS_DUMMY_READ) {
			u16 temp_val;
			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
		}
	}
3130 3131 3132
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253
	return rc;
}
/******************************************************************/
/*			BSC access functions from E3	          */
/******************************************************************/
static void bnx2x_bsc_module_sel(struct link_params *params)
{
	int idx;
	u32 board_cfg, sfp_ctrl;
	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	/* Read I2C output PINs */
	board_cfg = REG_RD(bp, params->shmem_base +
			   offsetof(struct shmem_region,
				    dev_info.shared_hw_config.board));
	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;

	/* Read I2C output value */
	sfp_ctrl = REG_RD(bp, params->shmem_base +
			  offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
}

static int bnx2x_bsc_read(struct link_params *params,
			  struct bnx2x_phy *phy,
			  u8 sl_devid,
			  u16 sl_addr,
			  u8 lc_addr,
			  u8 xfer_cnt,
			  u32 *data_array)
{
	u32 val, i;
	int rc = 0;
	struct bnx2x *bp = params->bp;

	if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
		DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
		return -EINVAL;
	}

	if (xfer_cnt > 16) {
		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
					xfer_cnt);
		return -EINVAL;
	}
	bnx2x_bsc_module_sel(params);

	xfer_cnt = 16 - lc_addr;

	/* enable the engine */
	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
	val |= MCPR_IMC_COMMAND_ENABLE;
	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);

	/* program slave device ID */
	val = (sl_devid << 16) | sl_addr;
	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);

	/* start xfer with 0 byte to update the address pointer ???*/
	val = (MCPR_IMC_COMMAND_ENABLE) |
	      (MCPR_IMC_COMMAND_WRITE_OP <<
		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);

	/* poll for completion */
	i = 0;
	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
		udelay(10);
		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
		if (i++ > 1000) {
			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
								i);
			rc = -EFAULT;
			break;
		}
	}
	if (rc == -EFAULT)
		return rc;

	/* start xfer with read op */
	val = (MCPR_IMC_COMMAND_ENABLE) |
		(MCPR_IMC_COMMAND_READ_OP <<
		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
		  (xfer_cnt);
	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);

	/* poll for completion */
	i = 0;
	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
		udelay(10);
		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
		if (i++ > 1000) {
			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
			rc = -EFAULT;
			break;
		}
	}
	if (rc == -EFAULT)
		return rc;

	for (i = (lc_addr >> 2); i < 4; i++) {
		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
#ifdef __BIG_ENDIAN
		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
				((data_array[i] & 0x0000ff00) << 8) |
				((data_array[i] & 0x00ff0000) >> 8) |
				((data_array[i] & 0xff000000) >> 24);
#endif
	}
Y
Yaniv Rosner 已提交
3254 3255 3256
	return rc;
}

3257 3258 3259 3260 3261 3262 3263 3264
static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
				     u8 devad, u16 reg, u16 or_val)
{
	u16 val;
	bnx2x_cl45_read(bp, phy, devad, reg, &val);
	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
}

Y
Yaniv Rosner 已提交
3265 3266
int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 *ret_val)
Y
Yaniv Rosner 已提交
3267 3268
{
	u8 phy_index;
3269
	/* Probe for the phy according to the given phy_addr, and execute
Y
Yaniv Rosner 已提交
3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281
	 * 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
3282 3283
int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
3284 3285
{
	u8 phy_index;
3286
	/* Probe for the phy according to the given phy_addr, and execute
Y
Yaniv Rosner 已提交
3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297
	 * 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;
}
3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311
static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
				  struct link_params *params)
{
	u8 lane = 0;
	struct bnx2x *bp = params->bp;
	u32 path_swap, path_swap_ovr;
	u8 path, port;

	path = BP_PATH(bp);
	port = params->port;

	if (bnx2x_is_4_port_mode(bp)) {
		u32 port_swap, port_swap_ovr;

3312
		/* Figure out path swap value */
3313 3314 3315 3316 3317 3318 3319 3320 3321
		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
		if (path_swap_ovr & 0x1)
			path_swap = (path_swap_ovr & 0x2);
		else
			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);

		if (path_swap)
			path = path ^ 1;

3322
		/* Figure out port swap value */
3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334
		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
		if (port_swap_ovr & 0x1)
			port_swap = (port_swap_ovr & 0x2);
		else
			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);

		if (port_swap)
			port = port ^ 1;

		lane = (port<<1) + path;
	} else { /* two port mode - no port swap */

3335
		/* Figure out path swap value */
3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350
		path_swap_ovr =
			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
		if (path_swap_ovr & 0x1) {
			path_swap = (path_swap_ovr & 0x2);
		} else {
			path_swap =
				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
		}
		if (path_swap)
			path = path ^ 1;

		lane = path << 1 ;
	}
	return lane;
}
Y
Yaniv Rosner 已提交
3351

Y
Yaniv Rosner 已提交
3352 3353
static void bnx2x_set_aer_mmd(struct link_params *params,
			      struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3354 3355
{
	u32 ser_lane;
D
Dmitry Kravkov 已提交
3356 3357
	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3358 3359 3360 3361
	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
3362 3363 3364
	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;

3365 3366
	if (USES_WARPCORE(bp)) {
		aer_val = bnx2x_get_warpcore_lane(phy, params);
3367
		/* In Dual-lane mode, two lanes are joined together,
3368 3369 3370 3371 3372 3373 3374 3375
		 * so in order to configure them, the AER broadcast method is
		 * used here.
		 * 0x200 is the broadcast address for lanes 0,1
		 * 0x201 is the broadcast address for lanes 2,3
		 */
		if (phy->flags & FLAGS_WC_DUAL_MODE)
			aer_val = (aer_val >> 1) | 0x200;
	} else if (CHIP_IS_E2(bp))
3376
		aer_val = 0x3800 + offset - 1;
D
Dmitry Kravkov 已提交
3377 3378
	else
		aer_val = 0x3800 + offset;
Y
Yaniv Rosner 已提交
3379

Y
Yaniv Rosner 已提交
3380
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Y
Yaniv Rosner 已提交
3381
			  MDIO_AER_BLOCK_AER_REG, aer_val);
Y
Yaniv Rosner 已提交
3382

Y
Yaniv Rosner 已提交
3383 3384
}

Y
Yaniv Rosner 已提交
3385 3386 3387
/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
3388

Y
Yaniv Rosner 已提交
3389 3390 3391
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
3392

Y
Yaniv Rosner 已提交
3393 3394 3395 3396 3397 3398 3399 3400
	/* 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
3401 3402
}

Y
Yaniv Rosner 已提交
3403
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
Y
Yaniv Rosner 已提交
3404
{
Y
Yaniv Rosner 已提交
3405
	u32 val;
Y
Yaniv Rosner 已提交
3406

Y
Yaniv Rosner 已提交
3407
	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
Y
Yaniv Rosner 已提交
3408

Y
Yaniv Rosner 已提交
3409
	val = SERDES_RESET_BITS << (port*16);
E
Eilon Greenstein 已提交
3410

Y
Yaniv Rosner 已提交
3411 3412 3413 3414
	/* reset and unreset the SerDes/XGXS */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
	udelay(500);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
Y
Yaniv Rosner 已提交
3415

Y
Yaniv Rosner 已提交
3416
	bnx2x_set_serdes_access(bp, port);
Y
Yaniv Rosner 已提交
3417

Y
Yaniv Rosner 已提交
3418 3419
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
	       DEFAULT_PHY_DEV_ADDR);
Y
Yaniv Rosner 已提交
3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436
}

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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3440 3441
}

3442 3443 3444 3445 3446
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;
3447
	/* Resolve pause mode and advertisement Please refer to Table
3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501
	 * 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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3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569
		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;
3570

3571 3572
}

3573 3574 3575
static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
					struct link_params *params,
					struct link_vars *vars)
3576 3577 3578 3579
{
	u16 ld_pause;		/* local */
	u16 lp_pause;		/* link partner */
	u16 pause_result;
3580 3581 3582 3583
	struct bnx2x *bp = params->bp;
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
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	} else if (CHIP_IS_E3(bp) &&
		SINGLE_MEDIA_DIRECT(params)) {
		u8 lane = bnx2x_get_warpcore_lane(phy, params);
		u16 gp_status, gp_mask;
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
				&gp_status);
		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
			lane;
		if ((gp_status & gp_mask) == gp_mask) {
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
		} else {
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
			ld_pause = ((ld_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
			lp_pause = ((lp_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
		}
3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624
	} else {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
	}
	pause_result = (ld_pause &
			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
	pause_result |= (lp_pause &
			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
	bnx2x_pause_resolve(vars, pause_result);
3625

3626
}
3627

3628 3629 3630 3631 3632
static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u8 ret = 0;
3633
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3634 3635 3636 3637 3638
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
		/* Update the advertised flow-controled of LD/LP in AN */
		if (phy->req_line_speed == SPEED_AUTO_NEG)
			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
		/* But set the flow-control result as the requested one */
3639
		vars->flow_ctrl = phy->req_flow_ctrl;
3640
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3641 3642 3643
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
3644
		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3645 3646 3647
	}
	return ret;
}
3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658
/******************************************************************/
/*			Warpcore section			  */
/******************************************************************/
/* The init_internal_warpcore should mirror the xgxs,
 * i.e. reset the lane (if needed), set aer for the
 * init configuration, and set/clear SGMII flag. Internal
 * phy init is done purely in phy_init stage.
 */
static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
					struct link_params *params,
					struct link_vars *vars) {
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	u16 val16 = 0, lane, bam37 = 0;
3660 3661
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678
	/* Set to default registers that may be overriden by 10G force */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_CONTROL, 0x7415);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
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	/* Disable Autoneg: re-enable it after adv is done. */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);

3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728
	/* Check adding advertisement for 1G KX */
	if (((vars->line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (vars->line_speed == SPEED_1000)) {
		u16 sd_digital;
		val16 |= (1<<5);

		/* Enable CL37 1G Parallel Detect */
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
				 (sd_digital | 0x1));

		DP(NETIF_MSG_LINK, "Advertize 1G\n");
	}
	if (((vars->line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
	    (vars->line_speed ==  SPEED_10000)) {
		/* Check adding advertisement for 10G KR */
		val16 |= (1<<7);
		/* Enable 10G Parallel Detect */
		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
				MDIO_WC_REG_PAR_DET_10G_CTRL, 1);

		DP(NETIF_MSG_LINK, "Advertize 10G\n");
	}

	/* Set Transmit PMD settings */
	lane = bnx2x_get_warpcore_lane(phy, params);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
		      (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
		      (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
			 0x03f0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
			 0x03f0);

	/* Advertised speeds */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);

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3729 3730 3731 3732 3733 3734
	/* Advertised and set FEC (Forward Error Correction) */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));

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3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746
	/* Enable CL37 BAM */
	if (REG_RD(bp, params->shmem_base +
		   offsetof(struct shmem_region, dev_info.
			    port_hw_config[params->port].default_cfg)) &
	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
	}

3747 3748
	/* Advertise pause */
	bnx2x_ext_phy_set_pause(params, phy, vars);
3749
	/* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3750 3751 3752 3753 3754 3755 3756
	 */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
	if (val16 < 0xd108) {
		DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
	}
3757 3758 3759 3760 3761
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL5_MISC7, &val16);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
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3762 3763 3764 3765 3766 3767 3768

	/* Over 1G - AN local device user page 1 */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);

	/* Enable Autoneg */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3769
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
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3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829
}

static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 val;

	/* Disable Autoneg */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);

	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);

	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);

	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL3_UP1, 0x1);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);

	/* Disable CL36 PCS Tx */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);

	/* Double Wide Single Data Rate @ pll rate */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);

	/* Leave cl72 training enable, needed for KR */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
		MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
		0x2);

	/* Leave CL72 enabled */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
			 &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
			 val | 0x3800);

	/* Set speed via PMA/PMD register */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);

	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);

3830
	/* Enable encoded forced speed */
3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);

	/* Turn TX scramble payload only the 64/66 scrambler */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX66_CONTROL, 0x9);

	/* Turn RX scramble payload only the 64/66 scrambler */
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_RX66_CONTROL, 0xF9);

	/* set and clear loopback to cause a reset to 64/66 decoder */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);

}

static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
				       struct link_params *params,
				       u8 is_xfi)
{
	struct bnx2x *bp = params->bp;
	u16 misc1_val, tap_val, tx_driver_val, lane, val;
	/* Hold rxSeqStart */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));

	/* Hold tx_fifo_reset */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));

	/* Disable CL73 AN */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);

	/* Disable 100FX Enable and Auto-Detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_FX100_CTRL1, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));

	/* Disable 100FX Idle detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_FX100_CTRL3, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));

	/* Set Block address to Remote PHY & Clear forced_speed[5] */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL4_MISC3, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));

	/* Turn off auto-detect & fiber mode */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			 (val & 0xFFEE));

	/* Set filter_force_link, disable_false_link and parallel_detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			 ((val | 0x0006) & 0xFFFE));

	/* Set XFI / SFI */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);

	misc1_val &= ~(0x1f);

	if (is_xfi) {
		misc1_val |= 0x5;
		tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
			   (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
			   (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
		tx_driver_val =
		      ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
		       (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));

	} else {
		misc1_val |= 0x9;
3921 3922 3923
		tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
			   (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
			   (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3924
		tx_driver_val =
3925
		      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3926
		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3927
		       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035
	}
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);

	/* Set Transmit PMD settings */
	lane = bnx2x_get_warpcore_lane(phy, params);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX_FIR_TAP,
			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
			 tx_driver_val);

	/* Enable fiber mode, enable and invert sig_det */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);

	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL4_MISC3, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);

	/* 10G XFI Full Duplex */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);

	/* Release tx_fifo_reset */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);

	/* Release rxSeqStart */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
}

static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
				       struct bnx2x_phy *phy)
{
	DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
}

static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
					 struct bnx2x_phy *phy,
					 u16 lane)
{
	/* Rx0 anaRxControl1G */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);

	/* Rx2 anaRxControl1G */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW0, 0xE070);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW3, 0x8090);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);

	/* Serdes Digital Misc1 */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);

	/* Serdes Digital4 Misc3 */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);

	/* Set Transmit PMD settings */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX_FIR_TAP,
			((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
			 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
			 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
			 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
}

static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
					   struct link_params *params,
4036 4037
					   u8 fiber_mode,
					   u8 always_autoneg)
4038 4039 4040 4041 4042 4043 4044 4045 4046 4047
{
	struct bnx2x *bp = params->bp;
	u16 val16, digctrl_kx1, digctrl_kx2;

	/* Clear XFI clock comp in non-10G single lane mode. */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_RX66_CONTROL, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));

4048
	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4049 4050 4051 4052 4053 4054 4055 4056 4057 4058
		/* SGMII Autoneg */
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
				 val16 | 0x1000);
		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
	} else {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4059
		val16 &= 0xcebf;
4060 4061 4062 4063 4064 4065 4066 4067 4068 4069
		switch (phy->req_line_speed) {
		case SPEED_10:
			break;
		case SPEED_100:
			val16 |= 0x2000;
			break;
		case SPEED_1000:
			val16 |= 0x0040;
			break;
		default:
4070 4071
			DP(NETIF_MSG_LINK,
			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134
			return;
		}

		if (phy->req_duplex == DUPLEX_FULL)
			val16 |= 0x0100;

		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);

		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
			       phy->req_line_speed);
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
	}

	/* SGMII Slave mode and disable signal detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
	if (fiber_mode)
		digctrl_kx1 = 1;
	else
		digctrl_kx1 &= 0xff4a;

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			digctrl_kx1);

	/* Turn off parallel detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			(digctrl_kx2 & ~(1<<2)));

	/* Re-enable parallel detect */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			(digctrl_kx2 | (1<<2)));

	/* Enable autodet */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			(digctrl_kx1 | 0x10));
}

static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 reset)
{
	u16 val;
	/* Take lane out of reset after configuration is finished */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL5_MISC6, &val);
	if (reset)
		val |= 0xC000;
	else
		val &= 0x3FFF;
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC6, val);
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
}
Y
Yaniv Rosner 已提交
4135
/* Clear SFI/XFI link settings registers */
4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191
static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
				      struct link_params *params,
				      u16 lane)
{
	struct bnx2x *bp = params->bp;
	u16 val16;

	/* Set XFI clock comp as default. */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_RX66_CONTROL, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));

	bnx2x_warpcore_reset_lane(bp, phy, 1);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_FX100_CTRL1, 0x014a);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_FX100_CTRL3, 0x0800);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
	lane = bnx2x_get_warpcore_lane(phy, params);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
	bnx2x_warpcore_reset_lane(bp, phy, 0);
}

static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
						u32 chip_id,
						u32 shmem_base, u8 port,
						u8 *gpio_num, u8 *gpio_port)
{
	u32 cfg_pin;
	*gpio_num = 0;
	*gpio_port = 0;
	if (CHIP_IS_E3(bp)) {
		cfg_pin = (REG_RD(bp, shmem_base +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
				PORT_HW_CFG_E3_MOD_ABS_SHIFT;

4192
		/* Should not happen. This function called upon interrupt
4193 4194 4195 4196 4197 4198 4199
		 * triggered by GPIO ( since EPIO can only generate interrupts
		 * to MCP).
		 * So if this function was called and none of the GPIOs was set,
		 * it means the shit hit the fan.
		 */
		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4200 4201 4202
			DP(NETIF_MSG_LINK,
			   "ERROR: Invalid cfg pin %x for module detect indication\n",
			   cfg_pin);
4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233
			return -EINVAL;
		}

		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
	} else {
		*gpio_num = MISC_REGISTERS_GPIO_3;
		*gpio_port = port;
	}
	DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
	return 0;
}

static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
				       struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 gpio_num, gpio_port;
	u32 gpio_val;
	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
				      params->shmem_base, params->port,
				      &gpio_num, &gpio_port) != 0)
		return 0;
	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);

	/* Call the handling function in case module is detected */
	if (gpio_val == 0)
		return 1;
	else
		return 0;
}
Y
Yaniv Rosner 已提交
4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291
static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
					struct link_params *params)
{
	u16 gp2_status_reg0, lane;
	struct bnx2x *bp = params->bp;

	lane = bnx2x_get_warpcore_lane(phy, params);

	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
				 &gp2_status_reg0);

	return (gp2_status_reg0 >> (8+lane)) & 0x1;
}

static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 serdes_net_if;
	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
	u16 lane = bnx2x_get_warpcore_lane(phy, params);

	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;

	if (!vars->turn_to_run_wc_rt)
		return;

	/* return if there is no link partner */
	if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
		DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
		return;
	}

	if (vars->rx_tx_asic_rst) {
		serdes_net_if = (REG_RD(bp, params->shmem_base +
				offsetof(struct shmem_region, dev_info.
				port_hw_config[params->port].default_cfg)) &
				PORT_HW_CFG_NET_SERDES_IF_MASK);

		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Do we get link yet? */
			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
								&gp_status1);
			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
				/*10G KR*/
			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;

			DP(NETIF_MSG_LINK,
				"gp_status1 0x%x\n", gp_status1);

			if (lnkup_kr || lnkup) {
					vars->rx_tx_asic_rst = 0;
					DP(NETIF_MSG_LINK,
					"link up, rx_tx_asic_rst 0x%x\n",
					vars->rx_tx_asic_rst);
			} else {
4292
				/* Reset the lane to see if link comes up.*/
Y
Yaniv Rosner 已提交
4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312
				bnx2x_warpcore_reset_lane(bp, phy, 1);
				bnx2x_warpcore_reset_lane(bp, phy, 0);

				/* restart Autoneg */
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);

				vars->rx_tx_asic_rst--;
				DP(NETIF_MSG_LINK, "0x%x retry left\n",
				vars->rx_tx_asic_rst);
			}
			break;

		default:
			break;
		}

	} /*params->rx_tx_asic_rst*/

}
4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337
static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 serdes_net_if;
	u8 fiber_mode;
	u16 lane = bnx2x_get_warpcore_lane(phy, params);
	serdes_net_if = (REG_RD(bp, params->shmem_base +
			 offsetof(struct shmem_region, dev_info.
				  port_hw_config[params->port].default_cfg)) &
			 PORT_HW_CFG_NET_SERDES_IF_MASK);
	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
			   "serdes_net_if = 0x%x\n",
		       vars->line_speed, serdes_net_if);
	bnx2x_set_aer_mmd(params, phy);

	vars->phy_flags |= PHY_XGXS_FLAG;
	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
	    (phy->req_line_speed &&
	     ((phy->req_line_speed == SPEED_100) ||
	      (phy->req_line_speed == SPEED_10)))) {
		vars->phy_flags |= PHY_SGMII_FLAG;
		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
		bnx2x_warpcore_clear_regs(phy, params, lane);
4338
		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4339 4340 4341 4342
	} else {
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Enable KR Auto Neg */
4343
			if (params->loopback_mode != LOOPBACK_EXT)
4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365
				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
			else {
				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
				bnx2x_warpcore_set_10G_KR(phy, params, vars);
			}
			break;

		case PORT_HW_CFG_NET_SERDES_IF_XFI:
			bnx2x_warpcore_clear_regs(phy, params, lane);
			if (vars->line_speed == SPEED_10000) {
				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
			} else {
				if (SINGLE_MEDIA_DIRECT(params)) {
					DP(NETIF_MSG_LINK, "1G Fiber\n");
					fiber_mode = 1;
				} else {
					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
					fiber_mode = 0;
				}
				bnx2x_warpcore_set_sgmii_speed(phy,
								params,
4366 4367
								fiber_mode,
								0);
4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379
			}

			break;

		case PORT_HW_CFG_NET_SERDES_IF_SFI:

			bnx2x_warpcore_clear_regs(phy, params, lane);
			if (vars->line_speed == SPEED_10000) {
				DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
				bnx2x_warpcore_set_10G_XFI(phy, params, 0);
			} else if (vars->line_speed == SPEED_1000) {
				DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4380 4381
				bnx2x_warpcore_set_sgmii_speed(
						phy, params, 1, 0);
4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409
			}
			/* Issue Module detection */
			if (bnx2x_is_sfp_module_plugged(phy, params))
				bnx2x_sfp_module_detection(phy, params);
			break;

		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
			if (vars->line_speed != SPEED_20000) {
				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
				return;
			}
			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
			/* Issue Module detection */

			bnx2x_sfp_module_detection(phy, params);
			break;

		case PORT_HW_CFG_NET_SERDES_IF_KR2:
			if (vars->line_speed != SPEED_20000) {
				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
				return;
			}
			DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
			bnx2x_warpcore_set_20G_KR2(bp, phy);
			break;

		default:
4410 4411 4412
			DP(NETIF_MSG_LINK,
			   "Unsupported Serdes Net Interface 0x%x\n",
			   serdes_net_if);
4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469
			return;
		}
	}

	/* Take lane out of reset after configuration is finished */
	bnx2x_warpcore_reset_lane(bp, phy, 0);
	DP(NETIF_MSG_LINK, "Exit config init\n");
}

static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
					 struct bnx2x_phy *phy,
					 u8 tx_en)
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port = params->port;

	cfg_pin = REG_RD(bp, params->shmem_base +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
				PORT_HW_CFG_TX_LASER_MASK;
	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
	/* For 20G, the expected pin to be used is 3 pins after the current */

	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
}

static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
				      struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u16 val16;
	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
	bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
	bnx2x_set_aer_mmd(params, phy);
	/* Global register */
	bnx2x_warpcore_reset_lane(bp, phy, 1);

	/* Clear loopback settings (if any) */
	/* 10G & 20G */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
			 0xBFFF);

	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);

	/* Update those 1-copy registers */
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0);
4470
	/* Enable 1G MDIO (1-copy) */
4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 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
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
			&val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
			 val16 & ~0x10);

	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
			 val16 & 0xff00);

}

static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
					struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u16 val16;
	u32 lane;
	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
		       params->loopback_mode, phy->req_line_speed);

	if (phy->req_line_speed < SPEED_10000) {
		/* 10/100/1000 */

		/* Update those 1-copy registers */
		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
				  MDIO_AER_BLOCK_AER_REG, 0);
		/* Enable 1G MDIO (1-copy) */
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
				&val16);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
				val16 | 0x10);
		/* Set 1G loopback based on lane (1-copy) */
		lane = bnx2x_get_warpcore_lane(phy, params);
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_XGXSBLK1_LANECTRL2,
				val16 | (1<<lane));

		/* Switch back to 4-copy registers */
		bnx2x_set_aer_mmd(params, phy);
	} else {
		/* 10G & 20G */
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
				 0x4000);

		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
	}
}


Y
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4534 4535
void bnx2x_sync_link(struct link_params *params,
			   struct link_vars *vars)
Y
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4536 4537
{
	struct bnx2x *bp = params->bp;
4538
	u8 link_10g_plus;
Y
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4539 4540
	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Y
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4541
	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Y
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4542 4543 4544 4545 4546 4547
	if (vars->link_up) {
		DP(NETIF_MSG_LINK, "phy link up\n");

		vars->phy_link_up = 1;
		vars->duplex = DUPLEX_FULL;
		switch (vars->link_status &
Y
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4548
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4549 4550 4551 4552 4553 4554
		case LINK_10THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_10TFD:
			vars->line_speed = SPEED_10;
			break;
Y
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4555

4556 4557 4558 4559 4560 4561 4562
		case LINK_100TXHD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_100T4:
		case LINK_100TXFD:
			vars->line_speed = SPEED_100;
			break;
Y
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4563

4564 4565 4566 4567 4568 4569
		case LINK_1000THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_1000TFD:
			vars->line_speed = SPEED_1000;
			break;
Y
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4570

4571 4572 4573 4574 4575 4576
		case LINK_2500THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_2500TFD:
			vars->line_speed = SPEED_2500;
			break;
Y
Yaniv Rosner 已提交
4577

4578 4579 4580 4581 4582 4583 4584 4585
		case LINK_10GTFD:
			vars->line_speed = SPEED_10000;
			break;
		case LINK_20GTFD:
			vars->line_speed = SPEED_20000;
			break;
		default:
			break;
Y
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4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603
		}
		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;
		}
4604 4605 4606 4607
		if (vars->line_speed &&
		    USES_WARPCORE(bp) &&
		    (vars->line_speed == SPEED_1000))
			vars->phy_flags |= PHY_SGMII_FLAG;
Y
Yaniv Rosner 已提交
4608
		/* anything 10 and over uses the bmac */
4609 4610 4611 4612 4613 4614
		link_10g_plus = (vars->line_speed >= SPEED_10000);

		if (link_10g_plus) {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_XMAC;
			else
4615
				vars->mac_type = MAC_TYPE_BMAC;
4616 4617 4618
		} else {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_UMAC;
4619 4620
			else
				vars->mac_type = MAC_TYPE_EMAC;
4621
		}
Y
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4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632
	} else { /* link down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;

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

		/* indicate no mac active */
		vars->mac_type = MAC_TYPE_NONE;
Y
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4633 4634
		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
Y
Yaniv Rosner 已提交
4635
	}
Y
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4636 4637 4638 4639 4640 4641 4642 4643 4644 4645
}

void bnx2x_link_status_update(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 sync_offset, media_types;
	/* Update PHY configuration */
	set_phy_vars(params, vars);
Y
Yaniv Rosner 已提交
4646

Y
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4647 4648 4649 4650 4651 4652
	vars->link_status = REG_RD(bp, params->shmem_base +
				   offsetof(struct shmem_region,
					    port_mb[port].link_status));

	vars->phy_flags = PHY_XGXS_FLAG;
	bnx2x_sync_link(params, vars);
Y
Yaniv Rosner 已提交
4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669
	/* 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);

4670 4671 4672 4673 4674 4675 4676
	/* Sync AEU offset */
	sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].aeu_int_mask);

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

Y
Yaniv Rosner 已提交
4677 4678 4679 4680 4681 4682 4683 4684
	/* Sync PFC status */
	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
		params->feature_config_flags |=
					FEATURE_CONFIG_PFC_ENABLED;
	else
		params->feature_config_flags &=
					~FEATURE_CONFIG_PFC_ENABLED;

4685 4686
	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Y
Yaniv Rosner 已提交
4687 4688 4689 4690 4691 4692 4693 4694 4695
	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
		 vars->line_speed, vars->duplex, vars->flow_ctrl);
}

static void bnx2x_set_master_ln(struct link_params *params,
				struct bnx2x_phy *phy)
{
	struct bnx2x *bp = params->bp;
	u16 new_master_ln, ser_lane;
Y
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4696
	ser_lane = ((params->lane_config &
Y
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4697
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Y
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4698
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
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4699 4700

	/* set the master_ln for AN */
Y
Yaniv Rosner 已提交
4701
	CL22_RD_OVER_CL45(bp, phy,
Y
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4702 4703 4704
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
Y
Yaniv Rosner 已提交
4705

Y
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4706
	CL22_WR_OVER_CL45(bp, phy,
Y
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4707 4708 4709
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
Y
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4710 4711
}

Y
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4712 4713 4714
static int bnx2x_reset_unicore(struct link_params *params,
			       struct bnx2x_phy *phy,
			       u8 set_serdes)
Y
Yaniv Rosner 已提交
4715 4716 4717 4718
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
Y
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4719
	CL22_RD_OVER_CL45(bp, phy,
Y
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4720 4721
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Y
Yaniv Rosner 已提交
4722 4723

	/* reset the unicore */
Y
Yaniv Rosner 已提交
4724
	CL22_WR_OVER_CL45(bp, phy,
Y
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4725 4726 4727 4728
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
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4729 4730 4731 4732 4733 4734 4735 4736
	if (set_serdes)
		bnx2x_set_serdes_access(bp, params->port);

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

		/* the reset erased the previous bank value */
Y
Yaniv Rosner 已提交
4737
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4738 4739 4740
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
4741 4742 4743 4744 4745 4746

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
Y
Yaniv Rosner 已提交
4747

4748 4749 4750
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
4751 4752 4753 4754 4755
	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
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4756 4757
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
4758 4759
{
	struct bnx2x *bp = params->bp;
4760 4761
	/* Each two bits represents a lane number:
	 * No swap is 0123 => 0x1b no need to enable the swap
4762
	 */
Y
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4763
	u16 rx_lane_swap, tx_lane_swap;
Y
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4764 4765

	rx_lane_swap = ((params->lane_config &
Y
Yaniv Rosner 已提交
4766 4767
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Y
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4768
	tx_lane_swap = ((params->lane_config &
Y
Yaniv Rosner 已提交
4769 4770
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Y
Yaniv Rosner 已提交
4771 4772

	if (rx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4773
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4774 4775 4776 4777 4778
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
				  (rx_lane_swap |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Y
Yaniv Rosner 已提交
4779
	} else {
Y
Yaniv Rosner 已提交
4780
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4781 4782
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4783 4784 4785
	}

	if (tx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4786
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4787 4788 4789 4790
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Y
Yaniv Rosner 已提交
4791
	} else {
Y
Yaniv Rosner 已提交
4792
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4793 4794
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4795 4796 4797
	}
}

Y
Yaniv Rosner 已提交
4798 4799
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
Yaniv Rosner 已提交
4800 4801 4802
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
Yaniv Rosner 已提交
4803
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4804 4805 4806
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
4807
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
Yaniv Rosner 已提交
4808 4809 4810
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4811 4812
	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
4813
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4814 4815 4816
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
Yaniv Rosner 已提交
4817

Y
Yaniv Rosner 已提交
4818
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4819
	     (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4820
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
4821 4822
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
4823
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4824 4825 4826
				 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
4827

Y
Yaniv Rosner 已提交
4828
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4829 4830 4831
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);
Y
Yaniv Rosner 已提交
4832 4833 4834 4835 4836


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
Yaniv Rosner 已提交
4837
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4838 4839 4840
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
Yaniv Rosner 已提交
4841 4842

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
4843
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4844 4845 4846 4847
				  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
4848 4849 4850
	}
}

Y
Yaniv Rosner 已提交
4851 4852
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
4853 4854
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
Yaniv Rosner 已提交
4855 4856 4857 4858 4859
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
Yaniv Rosner 已提交
4860
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4861 4862
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4863 4864

	/* CL37 Autoneg Enabled */
Y
Yaniv Rosner 已提交
4865
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4866 4867 4868 4869 4870
		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
4871
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4872 4873
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4874 4875 4876

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
4877
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4878 4879
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4880 4881 4882
	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
4883
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4884 4885 4886 4887
		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
4888
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4889 4890
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
4891 4892

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
4893
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4894 4895
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
4896
			  &reg_val);
Y
Yaniv Rosner 已提交
4897
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
4898 4899 4900 4901 4902 4903 4904 4905
		/* 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
4906
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4907 4908 4909
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
4910

4911 4912
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
4913
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4914 4915 4916
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
4917 4918

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
4919
		CL22_WR_OVER_CL45(bp, phy,
4920 4921 4922 4923 4924 4925
			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
4926
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
4927
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4928 4929 4930
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
4931
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4932 4933
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
4934
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4935 4936
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
4937

Y
Yaniv Rosner 已提交
4938
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4939 4940 4941
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
4942 4943 4944 4945 4946 4947

		/* 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
4948

Y
Yaniv Rosner 已提交
4949
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4950 4951
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4952 4953 4954
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
4955 4956
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
4957
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
4958 4959 4960 4961
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

4962
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
4963
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4964 4965
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4966
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
4967 4968
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
4969
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
4970
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
4971
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4972 4973
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4974

4975
	/* Program speed
4976 4977
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
4978
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4979 4980
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
4981 4982 4983 4984 4985 4986 4987 4988 4989 4990
	/* 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
4991 4992
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
4993
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
4994 4995
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
4996 4997
	}

Y
Yaniv Rosner 已提交
4998
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4999 5000
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
5001

Y
Yaniv Rosner 已提交
5002 5003
}

5004 5005
static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params)
Y
Yaniv Rosner 已提交
5006 5007 5008 5009 5010
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* set extended capabilities */
5011
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
5012
		val |= MDIO_OVER_1G_UP1_2_5G;
5013
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
5014
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
5015
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5016 5017
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
5018

Y
Yaniv Rosner 已提交
5019
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5020 5021
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
5022 5023
}

5024 5025 5026
static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params,
					      u16 ieee_fc)
Y
Yaniv Rosner 已提交
5027 5028
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5029
	u16 val;
Y
Yaniv Rosner 已提交
5030
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
5031

Y
Yaniv Rosner 已提交
5032
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5033 5034
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
5035
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5036 5037
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
5038 5039
	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
5040
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5041 5042
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
5043 5044
}

Y
Yaniv Rosner 已提交
5045 5046 5047
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
5048 5049
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
5050
	u16 mii_control;
5051

Y
Yaniv Rosner 已提交
5052
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
5053
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
5054

5055
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
5056
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5057 5058 5059
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
5060

Y
Yaniv Rosner 已提交
5061
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5062 5063 5064 5065 5066
				  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));
5067 5068
	} else {

Y
Yaniv Rosner 已提交
5069
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5070 5071 5072
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
5073 5074 5075
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
5076
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5077 5078 5079 5080 5081
				  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));
5082
	}
Y
Yaniv Rosner 已提交
5083 5084
}

Y
Yaniv Rosner 已提交
5085 5086
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
5087
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5088 5089 5090 5091 5092 5093
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
5094
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5095 5096 5097
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
Y
Yaniv Rosner 已提交
5098 5099 5100 5101 5102
	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
5103
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5104 5105 5106
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
5107 5108

	/* if forced speed */
Y
Yaniv Rosner 已提交
5109
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
5110 5111 5112
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
5113
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5114 5115 5116
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
5117 5118 5119 5120
		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
5121
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134
		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
5135 5136
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
5137 5138 5139 5140
			break;
		}

		/* setting the full duplex */
5141
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5142 5143
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
5144
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5145 5146 5147
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
5148 5149 5150

	} else { /* AN mode */
		/* enable and restart AN */
Y
Yaniv Rosner 已提交
5151
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
5152 5153 5154
	}
}

5155
/* Link management
Y
Yaniv Rosner 已提交
5156
 */
Y
Yaniv Rosner 已提交
5157 5158
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					     struct link_params *params)
5159 5160 5161
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
5162 5163
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
5164
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5165 5166 5167
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
5168
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5169 5170 5171
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
5172 5173 5174 5175 5176 5177
	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
5178
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5179 5180 5181
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
5182 5183 5184 5185 5186 5187 5188 5189

	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
5190

5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237
static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
				struct link_params *params,
				struct link_vars *vars,
				u32 gp_status)
{
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
	u16 pause_result;
	struct bnx2x *bp = params->bp;
	if ((gp_status &
	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {

		CL22_RD_OVER_CL45(bp, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV1,
				  &ld_pause);
		CL22_RD_OVER_CL45(bp, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
				  &lp_pause);
		pause_result = (ld_pause &
				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
		pause_result |= (lp_pause &
				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
	} else {
		CL22_RD_OVER_CL45(bp, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
				  &ld_pause);
		CL22_RD_OVER_CL45(bp, phy,
			MDIO_REG_BANK_COMBO_IEEE0,
			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
			&lp_pause);
		pause_result = (ld_pause &
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
		pause_result |= (lp_pause &
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
	}
	bnx2x_pause_resolve(vars, pause_result);

}

Y
Yaniv Rosner 已提交
5238 5239 5240 5241
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
5242 5243
{
	struct bnx2x *bp = params->bp;
5244
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5245 5246

	/* resolve from gp_status in case of AN complete and not sgmii */
5247 5248 5249 5250 5251
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
		/* Update the advertised flow-controled of LD/LP in AN */
		if (phy->req_line_speed == SPEED_AUTO_NEG)
			bnx2x_update_adv_fc(phy, params, vars, gp_status);
		/* But set the flow-control result as the requested one */
5252
		vars->flow_ctrl = phy->req_flow_ctrl;
5253
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5254 5255 5256
		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
5257
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5258 5259 5260
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
5261
		bnx2x_update_adv_fc(phy, params, vars, gp_status);
Y
Yaniv Rosner 已提交
5262 5263 5264 5265
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
5266 5267
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
5268 5269
{
	struct bnx2x *bp = params->bp;
5270
	u16 rx_status, ustat_val, cl37_fsm_received;
5271 5272
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
5273
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5274 5275 5276
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
5277 5278 5279 5280
	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
5281
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5282 5283 5284
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5285 5286 5287
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
5288
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5289 5290 5291
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
5292 5293 5294 5295 5296 5297 5298 5299 5300
	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;
	}
5301
	/* Step 3: Check CL37 Message Pages received to indicate LP
5302 5303
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
5304
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5305 5306
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5307 5308
			  &cl37_fsm_received);
	if ((cl37_fsm_received &
5309 5310 5311 5312 5313 5314
	     (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",
5315
			 cl37_fsm_received);
5316 5317
		return;
	}
5318
	/* The combined cl37/cl73 fsm state information indicating that
5319 5320 5321 5322 5323
	 * 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
	 */

5324
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
5325
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5326 5327 5328
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
5329
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
5330
	bnx2x_restart_autoneg(phy, params, 0);
5331 5332
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346

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;
}
5347 5348 5349 5350 5351 5352
static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
				     struct link_params *params,
				      struct link_vars *vars,
				      u16 is_link_up,
				      u16 speed_mask,
				      u16 is_duplex)
Y
Yaniv Rosner 已提交
5353 5354
{
	struct bnx2x *bp = params->bp;
5355 5356
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5357 5358
	if (is_link_up) {
		DP(NETIF_MSG_LINK, "phy link up\n");
Y
Yaniv Rosner 已提交
5359 5360 5361 5362

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

5363
		switch (speed_mask) {
Y
Yaniv Rosner 已提交
5364
		case GP_STATUS_10M:
5365
			vars->line_speed = SPEED_10;
Y
Yaniv Rosner 已提交
5366 5367 5368 5369 5370 5371 5372
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
5373
			vars->line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
5374 5375 5376 5377 5378 5379 5380 5381
			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:
5382
			vars->line_speed = SPEED_1000;
Y
Yaniv Rosner 已提交
5383 5384 5385 5386 5387 5388 5389
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
5390
			vars->line_speed = SPEED_2500;
Y
Yaniv Rosner 已提交
5391 5392 5393 5394 5395 5396 5397 5398 5399 5400
			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",
5401
				  speed_mask);
Y
Yaniv Rosner 已提交
5402
			return -EINVAL;
5403

Y
Yaniv Rosner 已提交
5404 5405 5406
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
5407 5408 5409 5410
		case GP_STATUS_10G_KR:
		case GP_STATUS_10G_SFI:
		case GP_STATUS_10G_XFI:
			vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
5411 5412
			vars->link_status |= LINK_10GTFD;
			break;
5413 5414 5415 5416
		case GP_STATUS_20G_DXGXS:
			vars->line_speed = SPEED_20000;
			vars->link_status |= LINK_20GTFD;
			break;
Y
Yaniv Rosner 已提交
5417 5418 5419
		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
5420
				  speed_mask);
5421
			return -EINVAL;
Y
Yaniv Rosner 已提交
5422 5423 5424 5425 5426
		}
	} else { /* link_down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;
5427

Y
Yaniv Rosner 已提交
5428
		vars->duplex = DUPLEX_FULL;
5429
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5430
		vars->mac_type = MAC_TYPE_NONE;
5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461
	}
	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
		    vars->phy_link_up, vars->line_speed);
	return 0;
}

static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;

	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
	int rc = 0;

	/* Read gp_status */
	CL22_RD_OVER_CL45(bp, phy,
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
		duplex = DUPLEX_FULL;
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
		link_up = 1;
	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
		       gp_status, link_up, speed_mask);
	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
					 duplex);
	if (rc == -EINVAL)
		return rc;
5462

5463 5464 5465 5466 5467 5468 5469 5470
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
		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);
		}
	} else { /* link_down */
5471 5472
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
5473
			/* Check signal is detected */
5474
			bnx2x_check_fallback_to_cl37(phy, params);
5475
		}
Y
Yaniv Rosner 已提交
5476 5477
	}

5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504
	/* Read LP advertised speeds*/
	if (SINGLE_MEDIA_DIRECT(params) &&
	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
		u16 val;

		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);

		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;

		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
				  MDIO_OVER_1G_LP_UP1, &val);

		if (val & MDIO_OVER_1G_UP1_2_5G)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
	}

Y
Yaniv Rosner 已提交
5505 5506
	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
5507 5508 5509
	return rc;
}

5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561
static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
				     struct link_params *params,
				     struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 lane;
	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
	int rc = 0;
	lane = bnx2x_get_warpcore_lane(phy, params);
	/* Read gp_status */
	if (phy->req_line_speed > SPEED_10000) {
		u16 temp_link_up;
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				1, &temp_link_up);
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				1, &link_up);
		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
			       temp_link_up, link_up);
		link_up &= (1<<2);
		if (link_up)
			bnx2x_ext_phy_resolve_fc(phy, params, vars);
	} else {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
		/* Check for either KR or generic link up. */
		gp_status1 = ((gp_status1 >> 8) & 0xf) |
			((gp_status1 >> 12) & 0xf);
		link_up = gp_status1 & (1 << lane);
		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
			u16 pd, gp_status4;
			if (phy->req_line_speed == SPEED_AUTO_NEG) {
				/* Check Autoneg complete */
				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
						MDIO_WC_REG_GP2_STATUS_GP_2_4,
						&gp_status4);
				if (gp_status4 & ((1<<12)<<lane))
					vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;

				/* Check parallel detect used */
				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
						MDIO_WC_REG_PAR_DET_10G_STATUS,
						&pd);
				if (pd & (1<<15))
					vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
			}
			bnx2x_ext_phy_resolve_fc(phy, params, vars);
		}
	}

5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589
	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
	    SINGLE_MEDIA_DIRECT(params)) {
		u16 val;

		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG2, &val);

		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;

		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);

		if (val & MDIO_OVER_1G_UP1_2_5G)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;

	}


5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610
	if (lane < 2) {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
	} else {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
	}
	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);

	if ((lane & 1) == 0)
		gp_speed <<= 8;
	gp_speed &= 0x3f00;


	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
					 duplex);

	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
		   vars->duplex, vars->flow_ctrl, vars->link_status);
	return rc;
}
E
Eilon Greenstein 已提交
5611
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
5612 5613
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5614
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
5615 5616
	u16 lp_up2;
	u16 tx_driver;
5617
	u16 bank;
Y
Yaniv Rosner 已提交
5618 5619

	/* read precomp */
Y
Yaniv Rosner 已提交
5620
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5621 5622
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
5623 5624 5625 5626 5627 5628

	/* 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);

5629 5630 5631 5632 5633
	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
5634
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5635 5636
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
5637 5638 5639 5640 5641 5642

		/* 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
5643
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5644 5645
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
5646
		}
Y
Yaniv Rosner 已提交
5647 5648 5649
	}
}

Y
Yaniv Rosner 已提交
5650 5651
static int bnx2x_emac_program(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5652 5653 5654 5655 5656 5657 5658
{
	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
5659 5660 5661 5662
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
5663
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681
	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
5682 5683
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
5684 5685 5686
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
5687
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
5688 5689
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
5690 5691
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
5692

5693
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
5694 5695 5696
	return 0;
}

Y
Yaniv Rosner 已提交
5697 5698
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5699
{
Y
Yaniv Rosner 已提交
5700 5701 5702 5703 5704 5705

	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
5706
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5707 5708 5709 5710 5711 5712 5713
					  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
5714
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5715 5716 5717 5718 5719 5720
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

Y
Yaniv Rosner 已提交
5721 5722 5723
static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736
{
	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
5737
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749
			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 */
5750
			bnx2x_set_brcm_cl37_advertisement(phy, params);
Y
Yaniv Rosner 已提交
5751 5752

			/* program duplex & pause advertisement (for aneg) */
5753 5754
			bnx2x_set_ieee_aneg_advertisement(phy, params,
							  vars->ieee_fc);
Y
Yaniv Rosner 已提交
5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769

			/* 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
5770 5771 5772
static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
Y
Yaniv Rosner 已提交
5773
{
Y
Yaniv Rosner 已提交
5774
	int rc;
Y
Yaniv Rosner 已提交
5775
	vars->phy_flags |= PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
5776 5777 5778 5779 5780 5781 5782
	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
5783 5784
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Y
Yaniv Rosner 已提交
5785 5786 5787 5788 5789
		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
5790 5791 5792
	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
5793 5794 5795 5796 5797 5798

	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
5799
	bnx2x_set_aer_mmd(params, phy);
Y
Yaniv Rosner 已提交
5800
	/* setting the masterLn_def again after the reset */
Y
Yaniv Rosner 已提交
5801 5802 5803 5804
	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
5805 5806 5807

	return rc;
}
5808

Y
Yaniv Rosner 已提交
5809
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5810 5811
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
5812
{
Y
Yaniv Rosner 已提交
5813
	u16 cnt, ctrl;
L
Lucas De Marchi 已提交
5814
	/* Wait for soft reset to get cleared up to 1 sec */
Y
Yaniv Rosner 已提交
5815
	for (cnt = 0; cnt < 1000; cnt++) {
5816
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Y
Yaniv Rosner 已提交
5817 5818 5819 5820 5821 5822
			bnx2x_cl22_read(bp, phy,
				MDIO_PMA_REG_CTRL, &ctrl);
		else
			bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &ctrl);
Y
Yaniv Rosner 已提交
5823 5824 5825 5826
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
5827 5828 5829 5830 5831

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
5832 5833
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
5834 5835
}

Y
Yaniv Rosner 已提交
5836
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
5837
{
Y
Yaniv Rosner 已提交
5838 5839 5840
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
5841

5842
	/* Setting the status to report on link up for either XGXS or SerDes */
5843 5844 5845 5846 5847
	if (CHIP_IS_E3(bp)) {
		mask = NIG_MASK_XGXS0_LINK_STATUS;
		if (!(SINGLE_MEDIA_DIRECT(params)))
			mask |= NIG_MASK_MI_INT;
	} else if (params->switch_cfg == SWITCH_CFG_10G) {
Y
Yaniv Rosner 已提交
5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881
		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
5882 5883
}

Y
Yaniv Rosner 已提交
5884 5885
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
5886
{
Y
Yaniv Rosner 已提交
5887 5888
	u32 latch_status = 0;

5889
	/* Disable the MI INT ( external phy int ) by writing 1 to the
Y
Yaniv Rosner 已提交
5890 5891
	 * 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
5892 5893 5894
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
5895 5896
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
5897
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908
	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
5909
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
5910

Y
Yaniv Rosner 已提交
5911 5912
		/* 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
5913
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
5914
	}
Y
Yaniv Rosner 已提交
5915
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
5916 5917
}

Y
Yaniv Rosner 已提交
5918
static void bnx2x_link_int_ack(struct link_params *params,
5919
			       struct link_vars *vars, u8 is_10g_plus)
5920
{
Y
Yaniv Rosner 已提交
5921
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5922
	u8 port = params->port;
5923
	u32 mask;
5924
	/* First reset all status we assume only one line will be
5925 5926
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
5927
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
5928 5929 5930
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
5931
	if (vars->phy_link_up) {
5932 5933 5934 5935 5936 5937
		if (USES_WARPCORE(bp))
			mask = NIG_STATUS_XGXS0_LINK_STATUS;
		else {
			if (is_10g_plus)
				mask = NIG_STATUS_XGXS0_LINK10G;
			else if (params->switch_cfg == SWITCH_CFG_10G) {
5938
				/* Disable the link interrupt by writing 1 to
5939 5940 5941 5942
				 * the relevant lane in the status register
				 */
				u32 ser_lane =
					((params->lane_config &
Y
Yaniv Rosner 已提交
5943 5944
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5945 5946 5947 5948
				mask = ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
			} else
				mask = NIG_STATUS_SERDES0_LINK_STATUS;
Y
Yaniv Rosner 已提交
5949
		}
5950 5951 5952 5953 5954
		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
			       mask);
		bnx2x_bits_en(bp,
			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
			      mask);
Y
Yaniv Rosner 已提交
5955 5956 5957
	}
}

Y
Yaniv Rosner 已提交
5958
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
5959 5960 5961 5962 5963
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
5964
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
5965 5966 5967
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
5968
		(*len)--;
Y
Yaniv Rosner 已提交
5969
		return -EINVAL;
Y
Yaniv Rosner 已提交
5970
	}
Y
Yaniv Rosner 已提交
5971
	while (shift > 0) {
Y
Yaniv Rosner 已提交
5972

Y
Yaniv Rosner 已提交
5973 5974
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
5975 5976 5977 5978
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
5979 5980 5981
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
5982
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
5983
		str_ptr++;
Y
Yaniv Rosner 已提交
5984
		(*len)--;
Y
Yaniv Rosner 已提交
5985 5986
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
5987
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
5988
			str_ptr++;
Y
Yaniv Rosner 已提交
5989 5990
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
5991 5992
		}
	}
Y
Yaniv Rosner 已提交
5993
	return 0;
Y
Yaniv Rosner 已提交
5994 5995
}

Y
Yaniv Rosner 已提交
5996

Y
Yaniv Rosner 已提交
5997
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
5998
{
Y
Yaniv Rosner 已提交
5999 6000 6001 6002
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
6003

6004 6005
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
				 u16 len)
Y
Yaniv Rosner 已提交
6006 6007 6008
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
Y
Yaniv Rosner 已提交
6009
	int status = 0;
Y
Yaniv Rosner 已提交
6010
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
6011
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
6012 6013 6014
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
6015

Y
Yaniv Rosner 已提交
6016 6017 6018
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
6019

Y
Yaniv Rosner 已提交
6020
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
6021 6022
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
6023 6024 6025 6026 6027
							      &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
6028
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040
		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
6041
	return status;
Y
Yaniv Rosner 已提交
6042
}
Y
Yaniv Rosner 已提交
6043

Y
Yaniv Rosner 已提交
6044 6045
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
6046
{
Y
Yaniv Rosner 已提交
6047
	u8 port = params->port;
E
Eilon Greenstein 已提交
6048 6049
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
6050
	if (phy->req_line_speed != SPEED_1000) {
6051
		u32 md_devad = 0;
E
Eilon Greenstein 已提交
6052

Y
Yaniv Rosner 已提交
6053
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
6054

6055 6056 6057 6058
		if (!CHIP_IS_E3(bp)) {
			/* change the uni_phy_addr in the nig */
			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
					       port*0x18));
6059

6060 6061 6062
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       0x5);
		}
E
Eilon Greenstein 已提交
6063

Y
Yaniv Rosner 已提交
6064
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6065 6066 6067 6068
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
6069

Y
Yaniv Rosner 已提交
6070
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6071 6072 6073 6074
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
6075 6076
		msleep(200);
		/* set aer mmd back */
Y
Yaniv Rosner 已提交
6077
		bnx2x_set_aer_mmd(params, phy);
E
Eilon Greenstein 已提交
6078

6079 6080 6081 6082 6083
		if (!CHIP_IS_E3(bp)) {
			/* and md_devad */
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       md_devad);
		}
Y
Yaniv Rosner 已提交
6084 6085 6086 6087 6088 6089 6090 6091 6092 6093 6094 6095 6096
	} 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
6097 6098
}

Y
Yaniv Rosner 已提交
6099 6100
int bnx2x_set_led(struct link_params *params,
		  struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
6101
{
Y
Yaniv Rosner 已提交
6102 6103
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
Yaniv Rosner 已提交
6104 6105
	int rc = 0;
	u8 phy_idx;
Y
Yaniv Rosner 已提交
6106 6107
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
6108
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6109 6110 6111
	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);
6112 6113 6114 6115 6116 6117 6118 6119
	/* 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
6120
	switch (mode) {
6121
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
6122 6123 6124
	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
6125
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
6126

Y
Yaniv Rosner 已提交
6127
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
6128
		if (params->phy[EXT_PHY1].type ==
6129 6130 6131 6132 6133 6134 6135 6136
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
				EMAC_LED_100MB_OVERRIDE |
				EMAC_LED_10MB_OVERRIDE);
		else
			tmp |= EMAC_LED_OVERRIDE;

		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Y
Yaniv Rosner 已提交
6137
		break;
E
Eilon Greenstein 已提交
6138

Y
Yaniv Rosner 已提交
6139
	case LED_MODE_OPER:
6140
		/* For all other phys, OPER mode is same as ON, so in case
6141
		 * link is down, do nothing
6142
		 */
6143 6144 6145
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
6146 6147 6148 6149
		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)) &&
6150
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6151
			/* This is a work-around for E2+8727 Configurations */
6152 6153 6154 6155 6156 6157 6158 6159
			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));
6160
				/* Return here without enabling traffic
Y
Yaniv Rosner 已提交
6161
				 * LED blink and setting rate in ON mode.
Y
Yaniv Rosner 已提交
6162 6163 6164 6165 6166
				 * In oper mode, enabling LED blink
				 * and setting rate is needed.
				 */
				if (mode == LED_MODE_ON)
					return rc;
6167
			}
Y
Yaniv Rosner 已提交
6168
		} else if (SINGLE_MEDIA_DIRECT(params)) {
6169
			/* This is a work-around for HW issue found when link
6170 6171
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
6172 6173 6174 6175 6176
			if ((!CHIP_IS_E3(bp)) ||
			    (CHIP_IS_E3(bp) &&
			     mode == LED_MODE_ON))
				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);

Y
Yaniv Rosner 已提交
6177 6178 6179 6180 6181 6182 6183
			if (CHIP_IS_E1x(bp) ||
			    CHIP_IS_E2(bp) ||
			    (mode == LED_MODE_ON))
				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			else
				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
				       hw_led_mode);
Y
Yaniv Rosner 已提交
6184 6185
		} else if ((params->phy[EXT_PHY1].type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6186
			   (mode == LED_MODE_ON)) {
Y
Yaniv Rosner 已提交
6187 6188
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6189 6190 6191 6192 6193 6194
			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
			/* Break here; otherwise, it'll disable the
			 * intended override.
			 */
			break;
Y
Yaniv Rosner 已提交
6195
		} else
Y
Yaniv Rosner 已提交
6196 6197
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			       hw_led_mode);
E
Eilon Greenstein 已提交
6198

Y
Yaniv Rosner 已提交
6199
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
6200
		/* Set blinking rate to ~15.9Hz */
Y
Yaniv Rosner 已提交
6201 6202 6203 6204 6205 6206
		if (CHIP_IS_E3(bp))
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			       LED_BLINK_RATE_VAL_E3);
		else
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			       LED_BLINK_RATE_VAL_E1X_E2);
Y
Yaniv Rosner 已提交
6207
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
6208
		       port*4, 1);
6209 6210 6211
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED,
			(tmp & (~EMAC_LED_OVERRIDE)));
E
Eilon Greenstein 已提交
6212

Y
Yaniv Rosner 已提交
6213 6214 6215 6216 6217
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
6218
			/* For speeds less than 10G LED scheme is different */
Y
Yaniv Rosner 已提交
6219
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
6220
			       + port*4, 1);
Y
Yaniv Rosner 已提交
6221
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6222
			       port*4, 0);
Y
Yaniv Rosner 已提交
6223
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6224
			       port*4, 1);
Y
Yaniv Rosner 已提交
6225 6226
		}
		break;
E
Eilon Greenstein 已提交
6227

Y
Yaniv Rosner 已提交
6228 6229 6230 6231 6232
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
6233
	}
Y
Yaniv Rosner 已提交
6234
	return rc;
E
Eilon Greenstein 已提交
6235

E
Eilon Greenstein 已提交
6236 6237
}

6238
/* This function comes to reflect the actual link state read DIRECTLY from the
Y
Yaniv Rosner 已提交
6239 6240
 * HW
 */
Y
Yaniv Rosner 已提交
6241 6242
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		    u8 is_serdes)
E
Eilon Greenstein 已提交
6243 6244
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6245
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
6246 6247
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
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
	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];

	if (CHIP_IS_E3(bp)) {
		u16 link_up;
		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
		    > SPEED_10000) {
			/* Check 20G link */
			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
					1, &link_up);
			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
					1, &link_up);
			link_up &= (1<<2);
		} else {
			/* Check 10G link and below*/
			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
					MDIO_WC_REG_GP2_STATUS_GP_2_1,
					&gp_status);
			gp_status = ((gp_status >> 8) & 0xf) |
				((gp_status >> 12) & 0xf);
			link_up = gp_status & (1 << lane);
		}
		if (!link_up)
			return -ESRCH;
	} else {
		CL22_RD_OVER_CL45(bp, int_phy,
Y
Yaniv Rosner 已提交
6274 6275 6276
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yaniv Rosner 已提交
6277
	/* link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
6278 6279
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;
6280 6281 6282 6283
	}
	/* In XGXS loopback mode, do not check external PHY */
	if (params->loopback_mode == LOOPBACK_XGXS)
		return 0;
Y
Yaniv Rosner 已提交
6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294

	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
6295 6296
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
6297 6298 6299
			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
6300 6301 6302
					    ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_DA_TWINAX));
Y
Yaniv Rosner 已提交
6303 6304 6305 6306 6307

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
6308 6309 6310
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
6311
			}
Y
Yaniv Rosner 已提交
6312
		}
Y
Yaniv Rosner 已提交
6313
		break;
E
Eilon Greenstein 已提交
6314
	}
Y
Yaniv Rosner 已提交
6315 6316
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
6317 6318
	return -ESRCH;
}
E
Eilon Greenstein 已提交
6319

Y
Yaniv Rosner 已提交
6320 6321
static int bnx2x_link_initialize(struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6322
{
Y
Yaniv Rosner 已提交
6323
	int rc = 0;
Y
Yaniv Rosner 已提交
6324 6325
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
6326
	/* In case of external phy existence, the line speed would be the
6327 6328 6329 6330
	 * 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
6331
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
6332

6333
	/* Initialize the internal phy in case this is a direct board
Y
Yaniv Rosner 已提交
6334 6335 6336
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
6337 6338
	if (!USES_WARPCORE(bp))
		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
6339 6340 6341
	/* 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
6342

Y
Yaniv Rosner 已提交
6343 6344 6345 6346
	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];
6347 6348 6349
		if (vars->line_speed == SPEED_AUTO_NEG &&
		    (CHIP_IS_E1x(bp) ||
		     CHIP_IS_E2(bp)))
Y
Yaniv Rosner 已提交
6350
			bnx2x_set_parallel_detection(phy, params);
Y
Yaniv Rosner 已提交
6351 6352 6353 6354
			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(phy,
								 params,
								 vars);
E
Eilon Greenstein 已提交
6355 6356
	}

Y
Yaniv Rosner 已提交
6357
	/* Init external phy*/
Y
Yaniv Rosner 已提交
6358 6359 6360 6361 6362
	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
6363 6364
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
6365
			/* No need to initialize second phy in case of first
Y
Yaniv Rosner 已提交
6366 6367 6368
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
6369
			 */
Y
Yaniv Rosner 已提交
6370 6371 6372 6373
			if (params->phy[phy_index].supported &
			    SUPPORTED_FIBRE)
				vars->link_status |= LINK_STATUS_SERDES_LINK;

Y
Yaniv Rosner 已提交
6374 6375 6376
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6377 6378
				DP(NETIF_MSG_LINK,
				   "Not initializing second phy\n");
Y
Yaniv Rosner 已提交
6379 6380
				continue;
			}
Y
Yaniv Rosner 已提交
6381 6382 6383 6384
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
Y
Yaniv Rosner 已提交
6385
	}
Y
Yaniv Rosner 已提交
6386 6387 6388 6389 6390 6391 6392 6393 6394
	/* Reset the interrupt indication after phy was initialized */
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
		       params->port*4,
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
	return rc;
}
E
Eilon Greenstein 已提交
6395

Y
Yaniv Rosner 已提交
6396 6397 6398 6399
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
6400 6401
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
6402 6403
}

Y
Yaniv Rosner 已提交
6404 6405
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
6406
{
Y
Yaniv Rosner 已提交
6407 6408 6409
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
6410 6411 6412 6413
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
6414
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6415 6416
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6417
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6418 6419
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6420
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
6421
}
E
Eilon Greenstein 已提交
6422

Y
Yaniv Rosner 已提交
6423 6424
static int bnx2x_update_link_down(struct link_params *params,
				  struct link_vars *vars)
E
Eilon Greenstein 已提交
6425 6426
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6427
	u8 port = params->port;
E
Eilon Greenstein 已提交
6428

Y
Yaniv Rosner 已提交
6429
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6430
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6431
	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Y
Yaniv Rosner 已提交
6432 6433
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
6434

Y
Yaniv Rosner 已提交
6435
	/* update shared memory */
Y
Yaniv Rosner 已提交
6436 6437
	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
			       LINK_STATUS_LINK_UP |
Y
Yaniv Rosner 已提交
6438
			       LINK_STATUS_PHYSICAL_LINK_FLAG |
Y
Yaniv Rosner 已提交
6439 6440 6441
			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6442 6443 6444
			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
Y
Yaniv Rosner 已提交
6445 6446
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
6447

Y
Yaniv Rosner 已提交
6448 6449
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
6450

Y
Yaniv Rosner 已提交
6451
	/* disable emac */
6452 6453
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
6454 6455

	msleep(10);
6456 6457 6458 6459 6460 6461
	/* 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
6462
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6463
	}
6464
	if (CHIP_IS_E3(bp)) {
6465
		bnx2x_xmac_disable(params);
6466 6467
		bnx2x_umac_disable(params);
	}
6468

E
Eilon Greenstein 已提交
6469 6470
	return 0;
}
Y
Yaniv Rosner 已提交
6471

Y
Yaniv Rosner 已提交
6472 6473 6474
static int bnx2x_update_link_up(struct link_params *params,
				struct link_vars *vars,
				u8 link_10g)
E
Eilon Greenstein 已提交
6475 6476
{
	struct bnx2x *bp = params->bp;
6477
	u8 phy_idx, port = params->port;
Y
Yaniv Rosner 已提交
6478
	int rc = 0;
E
Eilon Greenstein 已提交
6479

Y
Yaniv Rosner 已提交
6480 6481
	vars->link_status |= (LINK_STATUS_LINK_UP |
			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6482
	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6483

Y
Yaniv Rosner 已提交
6484 6485 6486
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
6487

Y
Yaniv Rosner 已提交
6488 6489 6490
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6491
	if (USES_WARPCORE(bp)) {
6492 6493 6494 6495 6496 6497 6498 6499 6500
		if (link_10g) {
			if (bnx2x_xmac_enable(params, vars, 0) ==
			    -ESRCH) {
				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
				vars->link_up = 0;
				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
				vars->link_status &= ~LINK_STATUS_LINK_UP;
			}
		} else
6501
			bnx2x_umac_enable(params, vars, 0);
6502
		bnx2x_set_led(params, vars,
6503 6504 6505 6506 6507
			      LED_MODE_OPER, vars->line_speed);
	}
	if ((CHIP_IS_E1x(bp) ||
	     CHIP_IS_E2(bp))) {
		if (link_10g) {
6508 6509 6510 6511 6512 6513 6514
			if (bnx2x_bmac_enable(params, vars, 0) ==
			    -ESRCH) {
				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
				vars->link_up = 0;
				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
				vars->link_status &= ~LINK_STATUS_LINK_UP;
			}
6515

6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528
			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
6529
	}
6530

Y
Yaniv Rosner 已提交
6531
	/* PBF - link up */
6532
	if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
6533 6534
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
6535

Y
Yaniv Rosner 已提交
6536 6537
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
6538

Y
Yaniv Rosner 已提交
6539 6540
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
6541 6542 6543 6544 6545 6546 6547 6548

	/* Check remote fault */
	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
			bnx2x_check_half_open_conn(params, vars, 0);
			break;
		}
	}
Y
Yaniv Rosner 已提交
6549 6550
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
6551
}
6552
/* The bnx2x_link_update function should be called upon link
Y
Yaniv Rosner 已提交
6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563
 * 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
6564
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
6565
{
Y
Yaniv Rosner 已提交
6566 6567 6568
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
6569
	u8 link_10g_plus, phy_index;
Y
Yaniv Rosner 已提交
6570 6571
	u8 ext_phy_link_up = 0, cur_link_up;
	int rc = 0;
Y
Yaniv Rosner 已提交
6572 6573 6574
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
6575
	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Y
Yaniv Rosner 已提交
6576 6577 6578 6579 6580 6581 6582 6583
	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;
6584
		phy_vars[phy_index].fault_detected = 0;
Y
Yaniv Rosner 已提交
6585
	}
E
Eilon Greenstein 已提交
6586

6587 6588 6589
	if (USES_WARPCORE(bp))
		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);

Y
Yaniv Rosner 已提交
6590 6591 6592
	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
6593

Y
Yaniv Rosner 已提交
6594
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
6595
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
6596 6597 6598
	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
6599
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
6600

Y
Yaniv Rosner 已提交
6601 6602 6603
	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
6604

Y
Yaniv Rosner 已提交
6605
	/* disable emac */
6606 6607
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
6608

6609
	/* Step 1:
6610 6611
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
6612
	 * is up. Note that instead of the common vars, a temporary
6613 6614 6615
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
Y
Yaniv Rosner 已提交
6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631
	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
6632

Y
Yaniv Rosner 已提交
6633 6634 6635
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
6636 6637 6638 6639
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6640
			/* In this option, the first PHY makes sure to pass the
Y
Yaniv Rosner 已提交
6641 6642
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
6643
			 */
Y
Yaniv Rosner 已提交
6644 6645 6646
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6647
			/* In this option, the first PHY makes sure to pass the
Y
Yaniv Rosner 已提交
6648
			 * traffic through the second PHY.
6649
			 */
Y
Yaniv Rosner 已提交
6650 6651 6652
				active_external_phy = EXT_PHY2;
				break;
			default:
6653
			/* Link indication on both PHYs with the following cases
Y
Yaniv Rosner 已提交
6654 6655 6656 6657 6658 6659
			 * 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
6660
			 */
Y
Yaniv Rosner 已提交
6661 6662 6663 6664 6665 6666
				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
6667 6668
		}
	}
Y
Yaniv Rosner 已提交
6669
	prev_line_speed = vars->line_speed;
6670
	/* Step 2:
6671 6672 6673 6674 6675
	 * 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
6676 6677 6678 6679
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
6680
	/* The INT_PHY flow control reside in the vars. This include the
Y
Yaniv Rosner 已提交
6681 6682 6683 6684 6685
	 * 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
6686
	 */
Y
Yaniv Rosner 已提交
6687 6688
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6689
		/* Link speed is taken from the XGXS. AN and FC result from
Y
Yaniv Rosner 已提交
6690
		 * the external phy.
E
Eilon Greenstein 已提交
6691
		 */
Y
Yaniv Rosner 已提交
6692
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
6693

6694
		/* if active_external_phy is first PHY and link is up - disable
Y
Yaniv Rosner 已提交
6695 6696 6697 6698
		 * disable TX on second external PHY
		 */
		if (active_external_phy == EXT_PHY1) {
			if (params->phy[EXT_PHY2].phy_specific_func) {
6699 6700
				DP(NETIF_MSG_LINK,
				   "Disabling TX on EXT_PHY2\n");
Y
Yaniv Rosner 已提交
6701 6702 6703 6704 6705 6706
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
Yaniv Rosner 已提交
6707 6708 6709 6710 6711
		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
6712 6713
		else
			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Y
Yaniv Rosner 已提交
6714 6715 6716
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727

	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		if (params->phy[phy_index].flags &
		    FLAGS_REARM_LATCH_SIGNAL) {
			bnx2x_rearm_latch_signal(bp, port,
						 phy_index ==
						 active_external_phy);
			break;
		}
	}
Y
Yaniv Rosner 已提交
6728 6729 6730
	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);
6731
	/* Upon link speed change set the NIG into drain mode. Comes to
Y
Yaniv Rosner 已提交
6732 6733 6734
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
E
Eilon Greenstein 已提交
6735

Y
Yaniv Rosner 已提交
6736 6737 6738 6739 6740 6741 6742 6743 6744
	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
6745 6746
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yaniv Rosner 已提交
6747 6748 6749
			msleep(1);
		}
	}
Y
Yaniv Rosner 已提交
6750

Y
Yaniv Rosner 已提交
6751
	/* anything 10 and over uses the bmac */
6752
	link_10g_plus = (vars->line_speed >= SPEED_10000);
E
Eilon Greenstein 已提交
6753

6754
	bnx2x_link_int_ack(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6755

6756
	/* In case external phy link is up, and internal link is down
6757 6758 6759 6760 6761 6762
	 * (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
6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776
	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
6777 6778 6779 6780

			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(
					&params->phy[INT_PHY], params,
Y
Yaniv Rosner 已提交
6781
						vars);
E
Eilon Greenstein 已提交
6782
		}
E
Eilon Greenstein 已提交
6783
	}
6784
	/* Link is up only if both local phy and external phy (in case of
6785
	 * non-direct board) are up and no fault detected on active PHY.
E
Eilon Greenstein 已提交
6786
	 */
Y
Yaniv Rosner 已提交
6787 6788
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
6789 6790
			  SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));
Y
Yaniv Rosner 已提交
6791

Y
Yaniv Rosner 已提交
6792 6793 6794 6795 6796 6797
	/* Update the PFC configuration in case it was changed */
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;
	else
		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;

Y
Yaniv Rosner 已提交
6798
	if (vars->link_up)
6799
		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6800
	else
Y
Yaniv Rosner 已提交
6801
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
6802

E
Eilon Greenstein 已提交
6803
	return rc;
E
Eilon Greenstein 已提交
6804 6805
}

Y
Yaniv Rosner 已提交
6806 6807 6808 6809 6810 6811
/*****************************************************************************/
/*			    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
6812
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
6813 6814
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6815
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
6816
}
E
Eilon Greenstein 已提交
6817

Y
Yaniv Rosner 已提交
6818 6819 6820 6821 6822
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
6823

Y
Yaniv Rosner 已提交
6824 6825
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
6826 6827
}

Y
Yaniv Rosner 已提交
6828 6829 6830
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
6831
{
Y
Yaniv Rosner 已提交
6832 6833 6834
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6835
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6836
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6837
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
Yaniv Rosner 已提交
6838 6839
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
Yaniv Rosner 已提交
6840
}
6841

Y
Yaniv Rosner 已提交
6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889 6890 6891 6892 6893 6894
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
6895 6896 6897
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					     struct bnx2x_phy *phy,
					     u8 port)
Y
Yaniv Rosner 已提交
6898
{
6899 6900
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
Y
Yaniv Rosner 已提交
6901
	int rc = 0;
6902

Y
Yaniv Rosner 已提交
6903 6904 6905
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6906 6907 6908
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
6909 6910 6911

	/* ucode reboot and rst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6912 6913 6914
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
6915 6916

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6917 6918
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
6919 6920 6921

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6922 6923 6924
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
6925 6926 6927

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6928 6929 6930
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
6931

6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957
	/* 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
6958 6959 6960

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6961 6962
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
6963
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
6964 6965 6966 6967 6968 6969 6970

	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
6971 6972 6973 6974 6975
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
6976
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
6977 6978 6979 6980 6981 6982
{
	/* 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
6983 6984
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
6985 6986 6987 6988 6989 6990 6991

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6992 6993
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
6994 6995 6996 6997 6998 6999 7000 7001

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

	return 1;
}

Y
Yaniv Rosner 已提交
7002
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
7003 7004 7005 7006
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7007 7008
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
7009 7010 7011 7012 7013 7014 7015

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

7016
	/* After loading the boot ROM and restarting Autoneg, poll
7017 7018
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
7019 7020 7021

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7022 7023 7024
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
7025
		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7026 7027 7028
		   * system initialization (XAUI work-around not required, as
		   * these bits indicate 2.5G or 1G link up).
		   */
Y
Yaniv Rosner 已提交
7029 7030 7031 7032
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
7033
			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7034
			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7035 7036 7037 7038
			 * MSB (bit15) goes to 1 (indicating that the XAUI
			 * workaround has completed), then continue on with
			 * system initialization.
			 */
Y
Yaniv Rosner 已提交
7039 7040 7041 7042 7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070
			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
7071
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
7072 7073
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
7074
{
Y
Yaniv Rosner 已提交
7075
	u16 cl37_val;
Y
Yaniv Rosner 已提交
7076 7077
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
7078
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
7079 7080 7081

	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
7082
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
7083 7084 7085 7086 7087 7088 7089 7090 7091 7092 7093 7094 7095 7096 7097 7098 7099 7100
	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
7101
	bnx2x_cl45_write(bp, phy,
7102
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
7103
	msleep(500);
Y
Yaniv Rosner 已提交
7104 7105
}

Y
Yaniv Rosner 已提交
7106 7107 7108
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7109
{
Y
Yaniv Rosner 已提交
7110
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7111 7112 7113
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
7114

D
Dmitry Kravkov 已提交
7115 7116 7117 7118
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7119 7120
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7121
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7122

Y
Yaniv Rosner 已提交
7123
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7124
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7125

Y
Yaniv Rosner 已提交
7126 7127
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
7128
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
Y
Yaniv Rosner 已提交
7129
	bnx2x_cl45_write(bp, phy,
7130
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7131

Y
Yaniv Rosner 已提交
7132
	bnx2x_8073_set_pause_cl37(params, phy, vars);
7133

Y
Yaniv Rosner 已提交
7134
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7135
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7136

Y
Yaniv Rosner 已提交
7137
	bnx2x_cl45_read(bp, phy,
7138
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7139

Y
Yaniv Rosner 已提交
7140
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7141

7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155 7156
	/* 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
7157
	/* Enable CL37 BAM */
7158 7159 7160 7161
	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) {
7162

7163 7164 7165 7166 7167 7168 7169 7170
		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
7171 7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182 7183
	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);
7184
			/* Note that 2.5G works only when used with 1G
L
Lucas De Marchi 已提交
7185
			 * advertisement
7186
			 */
Y
Yaniv Rosner 已提交
7187 7188 7189 7190 7191 7192 7193
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
7194

L
Lucas De Marchi 已提交
7195
		/* Note that 2.5G works only when used with 1G advertisement */
Y
Yaniv Rosner 已提交
7196 7197 7198 7199 7200 7201
		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);
	}
7202

Y
Yaniv Rosner 已提交
7203 7204
	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);
7205

Y
Yaniv Rosner 已提交
7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222
	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;
	}
7223

Y
Yaniv Rosner 已提交
7224 7225
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
7226

Y
Yaniv Rosner 已提交
7227 7228 7229 7230
	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)));
7231

Y
Yaniv Rosner 已提交
7232 7233
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7234

7235
	/* The SNR will improve about 2db by changing BW and FEE main
7236 7237 7238
	 * tap. Rest commands are executed after link is up
	 * Change FFE main cursor to 5 in EDC register
	 */
Y
Yaniv Rosner 已提交
7239 7240 7241 7242
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
7243

Y
Yaniv Rosner 已提交
7244 7245 7246 7247
	/* 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);
7248

Y
Yaniv Rosner 已提交
7249
	bnx2x_ext_phy_set_pause(params, phy, vars);
7250

Y
Yaniv Rosner 已提交
7251 7252 7253 7254 7255 7256
	/* 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
7257
}
Y
Yaniv Rosner 已提交
7258

Y
Yaniv Rosner 已提交
7259
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
7260 7261 7262 7263
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7264 7265 7266 7267
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
7268

Y
Yaniv Rosner 已提交
7269
	bnx2x_cl45_read(bp, phy,
7270
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
7271

Y
Yaniv Rosner 已提交
7272
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
7273

Y
Yaniv Rosner 已提交
7274 7275 7276 7277 7278 7279 7280 7281 7282 7283 7284 7285
	/* 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,
7286
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Y
Yaniv Rosner 已提交
7287 7288 7289 7290 7291 7292 7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305

	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;
7306
	}
Y
Yaniv Rosner 已提交
7307 7308 7309 7310
	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);
7311

Y
Yaniv Rosner 已提交
7312 7313 7314 7315 7316 7317 7318
	/* 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);
7319

Y
Yaniv Rosner 已提交
7320 7321
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7322
		/* The SNR will improve about 2dbby changing the BW and FEE main
7323 7324 7325
		 * tap. The 1st write to change FFE main tap is set before
		 * restart AN. Change PLL Bandwidth in EDC register
		 */
7326
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7327 7328
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
7329

Y
Yaniv Rosner 已提交
7330
		/* Change CDR Bandwidth in EDC register */
7331
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7332 7333 7334 7335 7336 7337
				 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);
7338

Y
Yaniv Rosner 已提交
7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358
	/* 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);
7359
	}
Y
Yaniv Rosner 已提交
7360 7361

	if (link_up) {
7362 7363 7364 7365 7366 7367 7368
		/* 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);
7369
			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7370 7371
			 * when it`s in 10G mode.
			 */
7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383
			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
7384 7385
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
7386
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
7387
	}
7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400

	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG2, &val1);

		if (val1 & (1<<5))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		if (val1 & (1<<7))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
	}

Y
Yaniv Rosner 已提交
7401
	return link_up;
Y
Yaniv Rosner 已提交
7402 7403
}

Y
Yaniv Rosner 已提交
7404 7405 7406 7407 7408
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
7409 7410 7411 7412
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7413 7414 7415
	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
7416 7417
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
7418 7419 7420 7421 7422
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
7423 7424 7425
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7426 7427
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7428
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
7429 7430
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7431
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
7432 7433 7434
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7435
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
7436

Y
Yaniv Rosner 已提交
7437 7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448
	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
7449

Y
Yaniv Rosner 已提交
7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460
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);
7461

Y
Yaniv Rosner 已提交
7462 7463 7464
	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);
7465

Y
Yaniv Rosner 已提交
7466 7467
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7468

Y
Yaniv Rosner 已提交
7469 7470 7471 7472
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
7473

Y
Yaniv Rosner 已提交
7474 7475 7476 7477 7478
	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);
7479
	}
Y
Yaniv Rosner 已提交
7480 7481
	return link_up;
}
7482

Y
Yaniv Rosner 已提交
7483 7484 7485
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
7486 7487 7488 7489 7490
static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 pmd_dis)
{
	struct bnx2x *bp = params->bp;
7491
	/* Disable transmitter only for bootcodes which can enable it afterwards
7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508
	 * (for D3 link)
	 */
	if (pmd_dis) {
		if (params->feature_config_flags &
		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
		else {
			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
			return;
		}
	} else
		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
}

7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521
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);
}
7522 7523 7524 7525

static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 tx_en)
Y
Yaniv Rosner 已提交
7526 7527
{
	u16 val;
7528 7529 7530
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 tx_en_mode;
7531

Y
Yaniv Rosner 已提交
7532
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7533 7534 7535 7536 7537 7538 7539 7540
	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:
7541

7542 7543 7544 7545
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);
Y
Yaniv Rosner 已提交
7546

7547 7548 7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577
		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
7578 7579
}

7580 7581 7582 7583 7584 7585 7586 7587 7588 7589 7590 7591
static void bnx2x_sfp_set_transmitter(struct link_params *params,
				      struct bnx2x_phy *phy,
				      u8 tx_en)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
	if (CHIP_IS_E3(bp))
		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
	else
		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
}

Y
Yaniv Rosner 已提交
7592 7593 7594
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
7595 7596
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7597 7598 7599
	u16 val = 0;
	u16 i;
	if (byte_cnt > 16) {
7600 7601
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7602 7603 7604
		return -EINVAL;
	}
	/* Set the read command byte count */
7605
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7606
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
7607
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
7608

Y
Yaniv Rosner 已提交
7609 7610 7611
	/* 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
7612
			 addr);
Y
Yaniv Rosner 已提交
7613

Y
Yaniv Rosner 已提交
7614
	/* Activate read command */
7615
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7616
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
7617
			 0x2c0f);
Y
Yaniv Rosner 已提交
7618

Y
Yaniv Rosner 已提交
7619 7620 7621
	/* 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
7622 7623
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7624 7625 7626 7627
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7628 7629
	}

Y
Yaniv Rosner 已提交
7630 7631 7632 7633 7634 7635
	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;
7636
	}
Y
Yaniv Rosner 已提交
7637

Y
Yaniv Rosner 已提交
7638 7639
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
7640
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7641 7642
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7643
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7644
	}
Y
Yaniv Rosner 已提交
7645

Y
Yaniv Rosner 已提交
7646 7647
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7648 7649
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7650 7651
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7652
			return 0;
Y
Yaniv Rosner 已提交
7653 7654 7655
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
7656
}
E
Eilon Greenstein 已提交
7657

7658 7659 7660 7661 7662 7663 7664 7665 7666 7667 7668
static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
						 struct link_params *params,
						 u16 addr, u8 byte_cnt,
						 u8 *o_buf)
{
	int rc = 0;
	u8 i, j = 0, cnt = 0;
	u32 data_array[4];
	u16 addr32;
	struct bnx2x *bp = params->bp;
	if (byte_cnt > 16) {
7669 7670
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 16 bytes\n");
7671 7672 7673 7674 7675 7676 7677 7678 7679 7680 7681 7682 7683 7684 7685 7686 7687 7688 7689 7690
		return -EINVAL;
	}

	/* 4 byte aligned address */
	addr32 = addr & (~0x3);
	do {
		rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
				    data_array);
	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));

	if (rc == 0) {
		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
			o_buf[j] = *((u8 *)data_array + i);
			j++;
		}
	}

	return rc;
}

Y
Yaniv Rosner 已提交
7691 7692 7693
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
7694 7695
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7696
	u16 val, i;
Y
Yaniv Rosner 已提交
7697

Y
Yaniv Rosner 已提交
7698
	if (byte_cnt > 16) {
7699 7700
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7701 7702
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
7703

Y
Yaniv Rosner 已提交
7704 7705
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7706 7707 7708
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
7709

Y
Yaniv Rosner 已提交
7710
	/* Set the read command byte count */
7711
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7712 7713 7714
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
7715

Y
Yaniv Rosner 已提交
7716
	/* Set the read command address */
7717
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7718 7719 7720
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
7721
	/* Set the destination address */
7722
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7723 7724 7725
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7726

Y
Yaniv Rosner 已提交
7727
	/* Activate read command */
7728
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7729 7730 7731
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
7732
	/* Wait appropriate time for two-wire command to finish before
7733 7734
	 * polling the status register
	 */
Y
Yaniv Rosner 已提交
7735
	msleep(1);
E
Eilon Greenstein 已提交
7736

Y
Yaniv Rosner 已提交
7737 7738
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
7739
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7740 7741
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7742 7743 7744 7745
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7746
	}
E
Eilon Greenstein 已提交
7747

Y
Yaniv Rosner 已提交
7748 7749 7750 7751 7752
	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));
7753
		return -EFAULT;
Y
Yaniv Rosner 已提交
7754
	}
7755

Y
Yaniv Rosner 已提交
7756 7757 7758
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7759 7760
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7761 7762
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
7763

Y
Yaniv Rosner 已提交
7764 7765
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7766 7767
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7768 7769
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7770
			return 0;
Y
Yaniv Rosner 已提交
7771
		msleep(1);
7772 7773
	}

Y
Yaniv Rosner 已提交
7774
	return -EINVAL;
Y
Yaniv Rosner 已提交
7775 7776
}

Y
Yaniv Rosner 已提交
7777 7778 7779
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
7780
{
Y
Yaniv Rosner 已提交
7781
	int rc = -EINVAL;
Y
Yaniv Rosner 已提交
7782 7783 7784 7785 7786 7787 7788 7789 7790 7791
	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;
7792 7793 7794 7795
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
							   byte_cnt, o_buf);
	break;
Y
Yaniv Rosner 已提交
7796 7797
	}
	return rc;
Y
Yaniv Rosner 已提交
7798 7799
}

Y
Yaniv Rosner 已提交
7800 7801 7802
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			      struct link_params *params,
			      u16 *edc_mode)
Y
Yaniv Rosner 已提交
7803 7804
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7805
	u32 sync_offset = 0, phy_idx, media_types;
Y
Yaniv Rosner 已提交
7806 7807
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
7808

Y
Yaniv Rosner 已提交
7809
	phy->media_type = ETH_PHY_UNSPECIFIED;
Y
Yaniv Rosner 已提交
7810 7811 7812 7813 7814 7815 7816 7817 7818
	/* 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;
	}
7819

Y
Yaniv Rosner 已提交
7820 7821 7822 7823
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
Y
Yaniv Rosner 已提交
7824
		phy->media_type = ETH_PHY_DA_TWINAX;
7825
		/* Check if its active cable (includes SFP+ module)
7826 7827
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
7828 7829 7830 7831
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
7832
					       &copper_module_type) != 0) {
Y
Yaniv Rosner 已提交
7833 7834 7835 7836 7837
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7838

Y
Yaniv Rosner 已提交
7839 7840 7841 7842 7843 7844
		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) {
7845 7846
				DP(NETIF_MSG_LINK,
				   "Passive Copper cable detected\n");
Y
Yaniv Rosner 已提交
7847 7848 7849
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
7850 7851 7852
			DP(NETIF_MSG_LINK,
			   "Unknown copper-cable-type 0x%x !!!\n",
			   copper_module_type);
Y
Yaniv Rosner 已提交
7853 7854 7855
			return -EINVAL;
		}
		break;
7856
	}
Y
Yaniv Rosner 已提交
7857
	case SFP_EEPROM_CON_TYPE_VAL_LC:
Y
Yaniv Rosner 已提交
7858
		phy->media_type = ETH_PHY_SFP_FIBER;
Y
Yaniv Rosner 已提交
7859 7860 7861 7862 7863 7864 7865
		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;
7866
	}
Y
Yaniv Rosner 已提交
7867 7868 7869 7870 7871 7872 7873 7874 7875 7876 7877 7878 7879 7880 7881 7882
	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
7883 7884 7885 7886 7887 7888 7889
	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) {
7890 7891
			DP(NETIF_MSG_LINK,
			   "Failed to read Option field from module EEPROM\n");
Y
Yaniv Rosner 已提交
7892 7893 7894 7895 7896 7897
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
7898
	}
Y
Yaniv Rosner 已提交
7899
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7900
	return 0;
Y
Yaniv Rosner 已提交
7901
}
7902
/* This function read the relevant field from the module (SFP+), and verify it
7903 7904
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
7905 7906
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				   struct link_params *params)
Y
Yaniv Rosner 已提交
7907 7908
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7909 7910
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
7911 7912
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
7913
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
7914 7915 7916 7917 7918 7919 7920 7921
	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
7922

Y
Yaniv Rosner 已提交
7923 7924 7925 7926 7927 7928 7929 7930
	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)) {
7931 7932
			DP(NETIF_MSG_LINK,
			   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
7933 7934 7935 7936 7937
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
7938 7939
		DP(NETIF_MSG_LINK,
		   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
7940 7941
		return -EINVAL;
	}
7942

Y
Yaniv Rosner 已提交
7943 7944
	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
7945 7946 7947 7948
	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
7949

Y
Yaniv Rosner 已提交
7950 7951 7952
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
7953 7954 7955
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
7956 7957 7958 7959 7960
		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
7961 7962 7963
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
7964 7965 7966 7967
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

7968 7969 7970
	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
			      " Port %d from %s part number %s\n",
			 params->port, vendor_name, vendor_pn);
7971 7972 7973
	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
		phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
7974
	return -EINVAL;
Y
Yaniv Rosner 已提交
7975
}
7976

Y
Yaniv Rosner 已提交
7977 7978
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						 struct link_params *params)
7979

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

Y
Yaniv Rosner 已提交
7988 7989 7990
	for (timeout = 0; timeout < 60; timeout++) {
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
7991 7992 7993
			DP(NETIF_MSG_LINK,
			   "SFP+ module initialization took %d ms\n",
			   timeout * 5);
Y
Yaniv Rosner 已提交
7994 7995 7996 7997 7998 7999
			return 0;
		}
		msleep(5);
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
8000

Y
Yaniv Rosner 已提交
8001 8002 8003 8004 8005
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;
8006
	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
8007 8008
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
8009 8010
	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
Y
Yaniv Rosner 已提交
8011 8012
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
8013
	 *
Y
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8014 8015 8016 8017 8018
	 * 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;
8019
	if (is_power_up)
Y
Yaniv Rosner 已提交
8020 8021
		val = (1<<4);
	else
8022
		/* Set GPIO control to OUTPUT, and set the power bit
Y
Yaniv Rosner 已提交
8023 8024
		 * to according to the is_power_up
		 */
8025
		val = (1<<1);
E
Eilon Greenstein 已提交
8026

Y
Yaniv Rosner 已提交
8027 8028 8029 8030 8031
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
8032

Y
Yaniv Rosner 已提交
8033 8034 8035
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8036 8037
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
8038

Y
Yaniv Rosner 已提交
8039
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8040 8041 8042
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
8043 8044 8045 8046
	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
8047
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
8048
		bnx2x_cl45_write(bp, phy,
8049
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
8050 8051 8052
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
8053

Y
Yaniv Rosner 已提交
8054
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
8055

8056
		/* Changing to LRM mode takes quite few seconds. So do it only
8057 8058
		 * if current mode is limiting (default is LRM)
		 */
Y
Yaniv Rosner 已提交
8059 8060
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
8061

Y
Yaniv Rosner 已提交
8062
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8063 8064 8065
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
8066
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8067 8068 8069
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
8070
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8071 8072 8073
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
8074
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8075 8076 8077
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
8078
	}
Y
Yaniv Rosner 已提交
8079
	return 0;
E
Eilon Greenstein 已提交
8080 8081
}

Y
Yaniv Rosner 已提交
8082 8083 8084
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8085
{
Y
Yaniv Rosner 已提交
8086 8087
	u16 phy_identifier;
	u16 rom_ver2_val;
8088
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8089 8090 8091
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
8092

Y
Yaniv Rosner 已提交
8093
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8094 8095 8096
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
8097

8098
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8099 8100 8101
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
8102 8103
	/* 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
8104 8105 8106
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
8107

Y
Yaniv Rosner 已提交
8108
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8109 8110 8111
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
8112

Y
Yaniv Rosner 已提交
8113
	return 0;
Y
Yaniv Rosner 已提交
8114
}
Y
Yaniv Rosner 已提交
8115

Y
Yaniv Rosner 已提交
8116 8117 8118 8119 8120 8121 8122 8123
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:
8124
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8125 8126 8127
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8128
			bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8129 8130 8131 8132 8133 8134 8135 8136
		break;
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

8137
static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8138 8139 8140 8141 8142 8143 8144 8145 8146 8147 8148 8149 8150 8151 8152 8153 8154 8155 8156 8157 8158 8159 8160 8161 8162 8163 8164 8165 8166 8167 8168
					   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);
	}
}

8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179 8180 8181 8182 8183 8184 8185 8186 8187 8188 8189 8190
static void bnx2x_set_e3_module_fault_led(struct link_params *params,
					  u8 gpio_mode)
{
	u32 pin_cfg;
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	pin_cfg = (REG_RD(bp, params->shmem_base +
			 offsetof(struct shmem_region,
				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
		       gpio_mode, pin_cfg);
	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
}

static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
					   u8 gpio_mode)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
	if (CHIP_IS_E3(bp)) {
8191
		/* Low ==> if SFP+ module is supported otherwise
8192 8193 8194 8195 8196 8197 8198 8199 8200 8201 8202 8203 8204 8205 8206 8207 8208 8209 8210
		 * High ==> if SFP+ module is not on the approved vendor list
		 */
		bnx2x_set_e3_module_fault_led(params, gpio_mode);
	} else
		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
}

static void bnx2x_warpcore_power_module(struct link_params *params,
					struct bnx2x_phy *phy,
					u8 power)
{
	u32 pin_cfg;
	struct bnx2x *bp = params->bp;

	pin_cfg = (REG_RD(bp, params->shmem_base +
			  offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
8211 8212 8213

	if (pin_cfg == PIN_CFG_NA)
		return;
8214 8215
	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
		       power, pin_cfg);
8216
	/* Low ==> corresponding SFP+ module is powered
8217 8218 8219 8220 8221
	 * high ==> the SFP+ module is powered down
	 */
	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
}

8222 8223 8224
static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
				    struct link_params *params)
{
8225
	struct bnx2x *bp = params->bp;
8226
	bnx2x_warpcore_power_module(params, phy, 0);
8227 8228 8229 8230 8231 8232 8233
	/* Put Warpcore in low power mode */
	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);

	/* Put LCPLL in low power mode */
	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8234 8235
}

Y
Yaniv Rosner 已提交
8236 8237 8238 8239 8240 8241 8242 8243 8244 8245 8246 8247
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;
8248 8249 8250 8251 8252 8253 8254 8255 8256 8257 8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272 8273 8274 8275 8276
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		bnx2x_warpcore_power_module(params, phy, power);
		break;
	default:
		break;
	}
}
static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
					     struct bnx2x_phy *phy,
					     u16 edc_mode)
{
	u16 val = 0;
	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
	struct bnx2x *bp = params->bp;

	u8 lane = bnx2x_get_warpcore_lane(phy, params);
	/* This is a global register which controls all lanes */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
	val &= ~(0xf << (lane << 2));

	switch (edc_mode) {
	case EDC_MODE_LINEAR:
	case EDC_MODE_LIMITING:
		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
		break;
	case EDC_MODE_PASSIVE_DAC:
		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
		break;
Y
Yaniv Rosner 已提交
8277 8278 8279
	default:
		break;
	}
8280 8281 8282 8283 8284 8285 8286 8287

	val |= (mode << (lane << 2));
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
	/* A must read */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);

8288 8289 8290
	/* Restart microcode to re-read the new mode */
	bnx2x_warpcore_reset_lane(bp, phy, 1);
	bnx2x_warpcore_reset_lane(bp, phy, 0);
8291

Y
Yaniv Rosner 已提交
8292 8293 8294 8295 8296 8297 8298 8299 8300 8301 8302 8303 8304 8305
}

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;
8306 8307 8308
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
		break;
Y
Yaniv Rosner 已提交
8309 8310 8311
	}
}

Y
Yaniv Rosner 已提交
8312 8313
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
			       struct link_params *params)
Y
Yaniv Rosner 已提交
8314 8315
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8316
	u16 edc_mode;
Y
Yaniv Rosner 已提交
8317
	int rc = 0;
Y
Yaniv Rosner 已提交
8318

Y
Yaniv Rosner 已提交
8319 8320 8321
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
8322

Y
Yaniv Rosner 已提交
8323 8324
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
Y
Yaniv Rosner 已提交
8325 8326
	/* Power up module */
	bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
8327 8328 8329
	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
8330
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yaniv Rosner 已提交
8331 8332 8333 8334
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
8335 8336 8337
		bnx2x_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

Y
Yaniv Rosner 已提交
8338 8339 8340
		/* 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
8341
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Y
Yaniv Rosner 已提交
8342
			bnx2x_power_sfp_module(params, phy, 0);
Y
Yaniv Rosner 已提交
8343 8344 8345 8346
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
8347
		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8348
	}
Y
Yaniv Rosner 已提交
8349

8350
	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8351 8352
	 * is done automatically
	 */
Y
Yaniv Rosner 已提交
8353 8354
	bnx2x_set_limiting_mode(params, phy, edc_mode);

8355
	/* Enable transmit for this module if the module is approved, or
Y
Yaniv Rosner 已提交
8356 8357 8358 8359 8360
	 * 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)
8361
		bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8362
	else
8363
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8364

Y
Yaniv Rosner 已提交
8365 8366 8367 8368
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
8369 8370
{
	struct bnx2x *bp = params->bp;
8371
	struct bnx2x_phy *phy;
Y
Yaniv Rosner 已提交
8372
	u32 gpio_val;
8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384
	u8 gpio_num, gpio_port;
	if (CHIP_IS_E3(bp))
		phy = &params->phy[INT_PHY];
	else
		phy = &params->phy[EXT_PHY1];

	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
				      params->port, &gpio_num, &gpio_port) ==
	    -EINVAL) {
		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
		return;
	}
E
Eilon Greenstein 已提交
8385

Y
Yaniv Rosner 已提交
8386
	/* Set valid module led off */
8387
	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
E
Eilon Greenstein 已提交
8388

8389
	/* Get current gpio val reflecting module plugged in / out*/
8390
	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8391

Y
Yaniv Rosner 已提交
8392 8393
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
Y
Yaniv Rosner 已提交
8394
		bnx2x_power_sfp_module(params, phy, 1);
8395
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8396
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8397
				   gpio_port);
Y
Yaniv Rosner 已提交
8398 8399 8400 8401 8402 8403
		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
8404 8405 8406
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
8407
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8408
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8409
				   gpio_port);
8410
		/* Module was plugged out.
8411 8412
		 * Disable transmit for this module
		 */
Y
Yaniv Rosner 已提交
8413
		phy->media_type = ETH_PHY_NOT_PRESENT;
Y
Yaniv Rosner 已提交
8414 8415 8416
		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
		    CHIP_IS_E3(bp))
8417
			bnx2x_sfp_set_transmitter(params, phy, 0);
8418
	}
Y
Yaniv Rosner 已提交
8419
}
8420

8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432 8433 8434 8435 8436 8437 8438 8439 8440 8441 8442 8443
/******************************************************************/
/*		Used by 8706 and 8727                             */
/******************************************************************/
static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
				 struct bnx2x_phy *phy,
				 u16 alarm_status_offset,
				 u16 alarm_ctrl_offset)
{
	u16 alarm_status, val;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	/* Mask or enable the fault event. */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
	if (alarm_status & (1<<0))
		val &= ~(1<<0);
	else
		val |= (1<<0);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
}
Y
Yaniv Rosner 已提交
8444 8445 8446 8447 8448 8449 8450 8451 8452 8453 8454 8455
/******************************************************************/
/*		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*/
8456
	bnx2x_cl45_read(bp, phy,
8457
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8458

8459 8460
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
8461

Y
Yaniv Rosner 已提交
8462 8463
	/* clear LASI indication*/
	bnx2x_cl45_read(bp, phy,
8464
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
8465
	bnx2x_cl45_read(bp, phy,
8466
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
8467
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8468 8469

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8470 8471 8472 8473 8474 8475 8476
			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);
8477

Y
Yaniv Rosner 已提交
8478 8479
	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);
8480
	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8481
	 * are set, or if the autoneg bit 1 is set
Y
Yaniv Rosner 已提交
8482 8483 8484 8485 8486 8487 8488
	 */
	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;
8489
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8490
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
8491
	}
8492 8493 8494 8495

	/* Capture 10G link fault. Read twice to clear stale value. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8496
			    MDIO_PMA_LASI_TXSTAT, &val1);
8497
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8498
			    MDIO_PMA_LASI_TXSTAT, &val1);
8499 8500 8501 8502
		if (val1 & (1<<0))
			vars->fault_detected = 1;
	}

8503
	return link_up;
Y
Yaniv Rosner 已提交
8504
}
8505

Y
Yaniv Rosner 已提交
8506 8507 8508 8509
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8510 8511 8512
				 struct link_params *params,
				 struct link_vars *vars)
{
8513 8514
	u32 tx_en_mode;
	u16 cnt, val, tmp1;
Y
Yaniv Rosner 已提交
8515
	struct bnx2x *bp = params->bp;
8516

Y
Yaniv Rosner 已提交
8517
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8518
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
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8519 8520 8521
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8522
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8523

Y
Yaniv Rosner 已提交
8524 8525 8526 8527 8528 8529 8530 8531 8532 8533 8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553
	/* Wait until fw is loaded */
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
		if (val)
			break;
		msleep(10);
	}
	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		u8 i;
		u16 reg;
		for (i = 0; i < 4; i++) {
			reg = MDIO_XS_8706_REG_BANK_RX0 +
				i*(MDIO_XS_8706_REG_BANK_RX1 -
				   MDIO_XS_8706_REG_BANK_RX0);
			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
			/* Clear first 3 bits of the control */
			val &= ~0x7;
			/* Set control bits according to configuration */
			val |= (phy->rx_preemphasis[i] & 0x7);
			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
				   " reg 0x%x <-- val 0x%x\n", reg, val);
			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
		}
	}
	/* Force speed */
	if (phy->req_line_speed == SPEED_10000) {
		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
Y
Yaniv Rosner 已提交
8554

Y
Yaniv Rosner 已提交
8555 8556 8557 8558
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
8559
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8560 8561 8562
				 0);
		/* Arm LASI for link and Tx fault. */
		bnx2x_cl45_write(bp, phy,
8563
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Y
Yaniv Rosner 已提交
8564
	} else {
L
Lucas De Marchi 已提交
8565
		/* Force 1Gbps using autoneg with 1G advertisement */
Y
Yaniv Rosner 已提交
8566

Y
Yaniv Rosner 已提交
8567 8568 8569 8570
		/* Allow CL37 through CL73 */
		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
Y
Yaniv Rosner 已提交
8571

L
Lucas De Marchi 已提交
8572
		/* Enable Full-Duplex advertisement on CL37 */
Y
Yaniv Rosner 已提交
8573 8574 8575 8576 8577 8578 8579 8580
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
		/* Enable CL37 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		/* 1G support */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
Y
Yaniv Rosner 已提交
8581

Y
Yaniv Rosner 已提交
8582 8583 8584 8585
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
8586
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8587 8588
				 0x0400);
		bnx2x_cl45_write(bp, phy,
8589
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
8590 8591 8592
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8593

8594
	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8595 8596 8597 8598 8599 8600 8601 8602 8603 8604 8605 8606 8607 8608 8609 8610 8611
	 * power mode, if TX Laser is disabled
	 */

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

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

Y
Yaniv Rosner 已提交
8612 8613
	return 0;
}
Y
Yaniv Rosner 已提交
8614

Y
Yaniv Rosner 已提交
8615 8616 8617
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8618 8619 8620
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
Yaniv Rosner 已提交
8621

Y
Yaniv Rosner 已提交
8622 8623 8624 8625 8626 8627 8628 8629 8630 8631
/******************************************************************/
/*			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);
}
8632

Y
Yaniv Rosner 已提交
8633 8634 8635 8636 8637 8638
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);
8639

Y
Yaniv Rosner 已提交
8640 8641 8642
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8643

Y
Yaniv Rosner 已提交
8644 8645
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8646 8647 8648
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8649

Y
Yaniv Rosner 已提交
8650
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8651 8652
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
8653

Y
Yaniv Rosner 已提交
8654
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8655 8656 8657
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
8658 8659 8660 8661 8662 8663

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

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8664 8665
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
8666 8667 8668

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
Yaniv Rosner 已提交
8669 8670
}

Y
Yaniv Rosner 已提交
8671
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8672 8673 8674 8675
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8676 8677
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8678 8679
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8680 8681 8682 8683 8684 8685 8686
				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;
		}
8687 8688
	}
	return link_up;
Y
Yaniv Rosner 已提交
8689 8690
}

Y
Yaniv Rosner 已提交
8691

Y
Yaniv Rosner 已提交
8692 8693 8694
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8695 8696
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8697
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8698

Y
Yaniv Rosner 已提交
8699
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8700
	bnx2x_wait_reset_complete(bp, phy, params);
8701

Y
Yaniv Rosner 已提交
8702
	bnx2x_8726_external_rom_boot(phy, params);
8703

8704
	/* Need to call module detected on initialization since the module
8705 8706 8707 8708
	 * 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
8709
	bnx2x_sfp_module_detection(phy, params);
8710

Y
Yaniv Rosner 已提交
8711 8712 8713 8714 8715 8716 8717
	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,
8718
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Y
Yaniv Rosner 已提交
8719
		bnx2x_cl45_write(bp, phy,
8720
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8721 8722 8723 8724 8725 8726 8727 8728 8729 8730 8731 8732 8733 8734 8735 8736 8737 8738 8739 8740
				 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);
8741
		/* Enable RX-ALARM control to receive interrupt for 1G speed
8742 8743
		 * change
		 */
Y
Yaniv Rosner 已提交
8744
		bnx2x_cl45_write(bp, phy,
8745
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Y
Yaniv Rosner 已提交
8746
		bnx2x_cl45_write(bp, phy,
8747
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8748
				 0x400);
8749

Y
Yaniv Rosner 已提交
8750 8751
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
8752
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8753 8754
	}

Y
Yaniv Rosner 已提交
8755 8756 8757
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8758 8759
		DP(NETIF_MSG_LINK,
		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Y
Yaniv Rosner 已提交
8760 8761 8762 8763 8764 8765
			 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]);
8766

Y
Yaniv Rosner 已提交
8767 8768 8769 8770 8771
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
8772

Y
Yaniv Rosner 已提交
8773
	return 0;
8774

Y
Yaniv Rosner 已提交
8775 8776
}

Y
Yaniv Rosner 已提交
8777 8778
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
8779
{
Y
Yaniv Rosner 已提交
8780 8781 8782 8783 8784 8785 8786 8787 8788 8789 8790
	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			  */
/******************************************************************/
8791 8792 8793 8794 8795 8796 8797 8798 8799 8800 8801 8802 8803 8804 8805 8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832 8833 8834 8835 8836 8837

static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 led_mode_bitmask = 0;
	u16 gpio_pins_bitmask = 0;
	u16 val;
	/* Only NOC flavor requires to set the LED specifically */
	if (!(phy->flags & FLAGS_NOC))
		return;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x03;
		break;
	case LED_MODE_ON:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x02;
		break;
	case LED_MODE_OPER:
		led_mode_bitmask = 0x60;
		gpio_pins_bitmask = 0x11;
		break;
	}
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val &= 0xff8f;
	val |= led_mode_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			 val);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_GPIO_CTRL,
			&val);
	val &= 0xffe0;
	val |= gpio_pins_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
Y
Yaniv Rosner 已提交
8838 8839 8840 8841
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
8842
	/* The PHY reset is controlled by GPIO 1. Fake the port number
Y
Yaniv Rosner 已提交
8843
	 * to cancel the swap done in set_gpio()
8844
	 */
Y
Yaniv Rosner 已提交
8845 8846 8847 8848 8849
	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
8850
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8851
}
Y
Yaniv Rosner 已提交
8852

Y
Yaniv Rosner 已提交
8853 8854 8855
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8856
{
8857 8858
	u32 tx_en_mode;
	u16 tmp1, val, mod_abs, tmp2;
Y
Yaniv Rosner 已提交
8859 8860
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
Yaniv Rosner 已提交
8861
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8862
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
Yaniv Rosner 已提交
8863

8864
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8865
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
8866 8867
	/* Should be 0x6 to enable XS on Tx side. */
	lasi_ctrl_val = 0x0006;
Y
Yaniv Rosner 已提交
8868

Y
Yaniv Rosner 已提交
8869 8870 8871
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
8872
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8873
			 rx_alarm_ctrl_val);
8874
	bnx2x_cl45_write(bp, phy,
8875
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8876
			 0);
Y
Yaniv Rosner 已提交
8877
	bnx2x_cl45_write(bp, phy,
8878
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
Y
Yaniv Rosner 已提交
8879

8880
	/* Initially configure MOD_ABS to interrupt when module is
8881 8882
	 * presence( bit 8)
	 */
Y
Yaniv Rosner 已提交
8883 8884
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
8885
	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
8886 8887 8888
	 * When the EDC is off it locks onto a reference clock and avoids
	 * becoming 'lost'
	 */
8889 8890 8891
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
8892 8893
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
8894 8895


8896 8897 8898
	/* Enable/Disable PHY transmitter output */
	bnx2x_set_disable_pmd_transmit(params, phy, 0);

Y
Yaniv Rosner 已提交
8899 8900 8901 8902
	/* 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);
8903 8904
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
Yaniv Rosner 已提交
8905

8906
	/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8907 8908 8909 8910
	 * status which reflect SFP+ module over-current
	 */
	if (!(phy->flags & FLAGS_NOC))
		val &= 0xff8f; /* Reset bits 4-6 */
Y
Yaniv Rosner 已提交
8911 8912
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
Yaniv Rosner 已提交
8913

Y
Yaniv Rosner 已提交
8914 8915 8916 8917 8918 8919
	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,
8920
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Y
Yaniv Rosner 已提交
8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931

	/* 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);
8932
		/* Power down the XAUI until link is up in case of dual-media
Y
Yaniv Rosner 已提交
8933 8934 8935 8936 8937 8938 8939 8940 8941 8942 8943
		 * and 1G
		 */
		if (DUAL_MEDIA(params)) {
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8727_PCS_GP, &val);
			val |= (3<<10);
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8727_PCS_GP, val);
		}
Y
Yaniv Rosner 已提交
8944 8945 8946 8947 8948 8949 8950 8951 8952 8953 8954 8955 8956
	} 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 {
8957
		/* Since the 8727 has only single reset pin, need to set the 10G
Y
Yaniv Rosner 已提交
8958 8959 8960 8961 8962 8963 8964 8965 8966 8967 8968 8969
		 * 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
8970 8971
	}

8972
	/* Set 2-wire transfer rate of SFP+ module EEPROM
Y
Yaniv Rosner 已提交
8973 8974 8975 8976 8977 8978
	 * 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
8979

Y
Yaniv Rosner 已提交
8980 8981 8982 8983 8984 8985 8986 8987 8988
	/* 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
8989

Y
Yaniv Rosner 已提交
8990 8991 8992 8993
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
Yaniv Rosner 已提交
8994

8995
	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8996 8997 8998 8999 9000 9001 9002 9003 9004 9005 9006 9007 9008 9009 9010 9011
	 * 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);
9012 9013 9014 9015 9016 9017
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				&tmp2);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				 (tmp2 & 0x7fff));
9018 9019
	}

Y
Yaniv Rosner 已提交
9020
	return 0;
Y
Yaniv Rosner 已提交
9021 9022
}

Y
Yaniv Rosner 已提交
9023 9024
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
Yaniv Rosner 已提交
9025 9026
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9027 9028 9029 9030 9031 9032
	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
9033 9034
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
Yaniv Rosner 已提交
9035
	if (mod_abs & (1<<8)) {
Y
Yaniv Rosner 已提交
9036

Y
Yaniv Rosner 已提交
9037
		/* Module is absent */
9038 9039
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is absent\n");
Y
Yaniv Rosner 已提交
9040
		phy->media_type = ETH_PHY_NOT_PRESENT;
9041
		/* 1. Set mod_abs to detect next module
9042 9043 9044 9045 9046 9047
		 *    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'.
		 */
9048 9049 9050
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
9051
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9052 9053
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9054

9055
		/* Clear RX alarm since it stays up as long as
9056 9057
		 * the mod_abs wasn't changed
		 */
Y
Yaniv Rosner 已提交
9058
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
9059
				MDIO_PMA_DEVAD,
9060
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9061

Y
Yaniv Rosner 已提交
9062 9063
	} else {
		/* Module is present */
9064 9065
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is present\n");
9066
		/* First disable transmitter, and if the module is ok, the
9067 9068 9069 9070 9071 9072
		 * 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)
		 */
9073 9074 9075
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
9076
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9077 9078
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9079

9080
		/* Clear RX alarm since it stays up as long as the mod_abs
9081 9082 9083 9084
		 * 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
9085 9086
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
9087
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9088 9089


Y
Yaniv Rosner 已提交
9090 9091
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9092
			bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9093 9094 9095 9096 9097

		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
9098
	}
Y
Yaniv Rosner 已提交
9099 9100

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9101 9102
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
Yaniv Rosner 已提交
9103 9104
}

Y
Yaniv Rosner 已提交
9105 9106 9107 9108
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
9109 9110
{
	struct bnx2x *bp = params->bp;
9111
	u8 link_up = 0, oc_port = params->port;
Y
Yaniv Rosner 已提交
9112
	u16 link_status = 0;
Y
Yaniv Rosner 已提交
9113 9114 9115 9116
	u16 rx_alarm_status, lasi_ctrl, val1;

	/* If PHY is not initialized, do not check link status */
	bnx2x_cl45_read(bp, phy,
9117
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
9118 9119 9120 9121
			&lasi_ctrl);
	if (!lasi_ctrl)
		return 0;

9122
	/* Check the LASI on Rx */
Y
Yaniv Rosner 已提交
9123
	bnx2x_cl45_read(bp, phy,
9124
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Y
Yaniv Rosner 已提交
9125 9126 9127 9128
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

9129 9130
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
9131

Y
Yaniv Rosner 已提交
9132
	bnx2x_cl45_read(bp, phy,
9133
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
9134 9135 9136 9137 9138 9139 9140

	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);

9141
	/* If a module is present and there is need to check
Y
Yaniv Rosner 已提交
9142 9143 9144 9145 9146 9147 9148 9149 9150
	 * 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) {
9151 9152
			if (!CHIP_IS_E1x(bp))
				oc_port = BP_PATH(bp) + (params->port << 1);
9153 9154 9155
			DP(NETIF_MSG_LINK,
			   "8727 Power fault has been detected on port %d\n",
			   oc_port);
Y
Yaniv Rosner 已提交
9156 9157 9158 9159 9160 9161 9162
			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",
9163
			 oc_port);
9164
			/* Disable all RX_ALARMs except for mod_abs */
Y
Yaniv Rosner 已提交
9165 9166
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
9167
					 MDIO_PMA_LASI_RXCTRL, (1<<5));
Y
Yaniv Rosner 已提交
9168 9169 9170 9171 9172 9173 9174 9175 9176 9177 9178 9179

			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,
9180
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9181 9182 9183 9184 9185 9186 9187 9188 9189
			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,
9190
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
9191 9192
				 ((1<<5) | (1<<2)));
	}
9193 9194 9195 9196 9197

	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
		bnx2x_sfp_set_transmitter(params, phy, 1);
	} else {
Y
Yaniv Rosner 已提交
9198 9199 9200 9201 9202 9203 9204 9205
		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);

9206
	/* Bits 0..2 --> speed detected,
9207 9208
	 * Bits 13..15--> link is down
	 */
Y
Yaniv Rosner 已提交
9209 9210 9211
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
9212 9213
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
9214 9215 9216 9217 9218 9219 9220 9221 9222 9223
	} 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);
	}
9224 9225 9226 9227

	/* Capture 10G link fault. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9228
			    MDIO_PMA_LASI_TXSTAT, &val1);
9229 9230

		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9231
			    MDIO_PMA_LASI_TXSTAT, &val1);
9232 9233 9234 9235 9236 9237

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

9238
	if (link_up) {
Y
Yaniv Rosner 已提交
9239
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9240 9241 9242
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
Yaniv Rosner 已提交
9243 9244 9245 9246 9247 9248

	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);
9249
		/* In case of dual-media board and 1G, power up the XAUI side,
Y
Yaniv Rosner 已提交
9250 9251 9252 9253 9254 9255 9256 9257 9258 9259
		 * 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
9260
	return link_up;
Y
Yaniv Rosner 已提交
9261
}
Y
Yaniv Rosner 已提交
9262

Y
Yaniv Rosner 已提交
9263 9264
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
9265 9266
{
	struct bnx2x *bp = params->bp;
9267 9268 9269 9270

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

Y
Yaniv Rosner 已提交
9271
	/* Disable Transmitter */
9272
	bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9273
	/* Clear LASI */
9274
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Y
Yaniv Rosner 已提交
9275

Y
Yaniv Rosner 已提交
9276
}
9277

Y
Yaniv Rosner 已提交
9278 9279 9280 9281
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9282 9283
					    struct bnx2x *bp,
					    u8 port)
Y
Yaniv Rosner 已提交
9284
{
Y
Yaniv Rosner 已提交
9285
	u16 val, fw_ver1, fw_ver2, cnt;
Y
Yaniv Rosner 已提交
9286

9287 9288
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9289
		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9290 9291 9292 9293 9294 9295 9296 9297 9298 9299 9300 9301 9302 9303 9304 9305 9306 9307 9308 9309 9310 9311 9312
				phy->ver_addr);
	} else {
		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);

		for (cnt = 0; cnt < 100; cnt++) {
			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
			if (val & 1)
				break;
			udelay(5);
		}
		if (cnt == 100) {
			DP(NETIF_MSG_LINK, "Unable to read 848xx "
					"phy fw version(1)\n");
			bnx2x_save_spirom_version(bp, port, 0,
						  phy->ver_addr);
			return;
		}
9313

Y
Yaniv Rosner 已提交
9314

9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326 9327 9328 9329 9330 9331
		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
		for (cnt = 0; cnt < 100; cnt++) {
			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
			if (val & 1)
				break;
			udelay(5);
		}
		if (cnt == 100) {
			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
					"version(2)\n");
			bnx2x_save_spirom_version(bp, port, 0,
						  phy->ver_addr);
			return;
		}
Y
Yaniv Rosner 已提交
9332

9333 9334 9335 9336
		/* lower 16 bits of the register SPI_FW_STATUS */
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
		/* upper 16 bits of register SPI_FW_STATUS */
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
Yaniv Rosner 已提交
9337

9338
		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Y
Yaniv Rosner 已提交
9339
					  phy->ver_addr);
Y
Yaniv Rosner 已提交
9340 9341
	}

Y
Yaniv Rosner 已提交
9342 9343 9344
}
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
9345
{
9346
	u16 val, offset;
Y
Yaniv Rosner 已提交
9347

Y
Yaniv Rosner 已提交
9348 9349 9350
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9351
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Y
Yaniv Rosner 已提交
9352 9353
	val &= 0xFE00;
	val |= 0x0092;
9354

Y
Yaniv Rosner 已提交
9355 9356
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9357
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
9358

Y
Yaniv Rosner 已提交
9359 9360
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9361
			 MDIO_PMA_REG_8481_LED1_MASK,
Y
Yaniv Rosner 已提交
9362
			 0x80);
Y
Yaniv Rosner 已提交
9363

Y
Yaniv Rosner 已提交
9364 9365
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9366
			 MDIO_PMA_REG_8481_LED2_MASK,
Y
Yaniv Rosner 已提交
9367
			 0x18);
Y
Yaniv Rosner 已提交
9368

Y
Yaniv Rosner 已提交
9369
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
Yaniv Rosner 已提交
9370 9371
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9372
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
Yaniv Rosner 已提交
9373 9374 9375 9376 9377
			 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
9378
			MDIO_PMA_REG_8481_LED3_BLINK,
Y
Yaniv Rosner 已提交
9379 9380
			0);

9381 9382
	/* Configure the blink rate to ~15.9 Hz */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9383
			MDIO_PMA_DEVAD,
9384 9385
			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
Y
Yaniv Rosner 已提交
9386

9387 9388 9389 9390 9391 9392 9393 9394
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
	else
		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, offset, &val);
	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
Y
Yaniv Rosner 已提交
9395
	bnx2x_cl45_write(bp, phy,
9396
			 MDIO_PMA_DEVAD, offset, val);
Y
Yaniv Rosner 已提交
9397

Y
Yaniv Rosner 已提交
9398 9399 9400 9401
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
9402 9403
}

Y
Yaniv Rosner 已提交
9404 9405 9406
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
9407
{
9408
	struct bnx2x *bp = params->bp;
9409
	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
Y
Yaniv Rosner 已提交
9410

9411
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9412 9413 9414
		/* Save spirom version */
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
	}
9415
	/* This phy uses the NIG latch mechanism since link indication
9416 9417 9418
	 * 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
9419 9420
	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
9421

Y
Yaniv Rosner 已提交
9422 9423
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
9424

Y
Yaniv Rosner 已提交
9425
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
9426

Y
Yaniv Rosner 已提交
9427 9428 9429 9430
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
9431

Y
Yaniv Rosner 已提交
9432 9433 9434 9435 9436 9437 9438 9439 9440 9441 9442
	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
9443

Y
Yaniv Rosner 已提交
9444 9445 9446 9447 9448 9449 9450 9451 9452 9453 9454
	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
9455

Y
Yaniv Rosner 已提交
9456 9457 9458
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
9459

9460
	/* set 100 speed advertisement */
9461
	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Y
Yaniv Rosner 已提交
9462
	     (phy->speed_cap_mask &
9463
	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9464
	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Y
Yaniv Rosner 已提交
9465 9466 9467
		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
9468

Y
Yaniv Rosner 已提交
9469 9470 9471 9472 9473 9474
		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) &&
9475 9476 9477 9478 9479 9480
	     (phy->speed_cap_mask &
	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
	       PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
	     (phy->supported &
	      (SUPPORTED_10baseT_Half |
	       SUPPORTED_10baseT_Full)))) {
Y
Yaniv Rosner 已提交
9481 9482 9483 9484 9485 9486
		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
9487

Y
Yaniv Rosner 已提交
9488
	/* Only 10/100 are allowed to work in FORCE mode */
9489 9490 9491 9492
	if ((phy->req_line_speed == SPEED_100) &&
	    (phy->supported &
	     (SUPPORTED_100baseT_Half |
	      SUPPORTED_100baseT_Full))) {
Y
Yaniv Rosner 已提交
9493 9494 9495 9496 9497
		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));
9498 9499
		/* The PHY needs this set even for forced link. */
		an_10_100_val |= (1<<8) | (1<<7);
Y
Yaniv Rosner 已提交
9500 9501
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
9502 9503 9504 9505
	if ((phy->req_line_speed == SPEED_10) &&
	    (phy->supported &
	     (SUPPORTED_10baseT_Half |
	      SUPPORTED_10baseT_Full))) {
Y
Yaniv Rosner 已提交
9506 9507 9508 9509 9510 9511
		/* 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
9512

Y
Yaniv Rosner 已提交
9513 9514 9515
	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
9516

Y
Yaniv Rosner 已提交
9517 9518
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
9519

9520
	/* Always write this if this is not 84833.
Y
Yaniv Rosner 已提交
9521 9522 9523 9524 9525
	 * For 84833, write it only when it's a forced speed.
	 */
	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
		((autoneg_val & (1<<12)) == 0))
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9526 9527
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
9528

Y
Yaniv Rosner 已提交
9529 9530 9531 9532
	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)) {
9533 9534
			DP(NETIF_MSG_LINK, "Advertising 10G\n");
			/* Restart autoneg for 10G*/
Y
Yaniv Rosner 已提交
9535

9536 9537 9538 9539
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					&an_10g_val);
9540
			bnx2x_cl45_write(bp, phy,
9541 9542 9543 9544 9545 9546
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					 an_10g_val | 0x1000);
			bnx2x_cl45_write(bp, phy,
					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
					 0x3200);
Y
Yaniv Rosner 已提交
9547
	} else
Y
Yaniv Rosner 已提交
9548 9549 9550 9551
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
9552

Y
Yaniv Rosner 已提交
9553
	return 0;
Y
Yaniv Rosner 已提交
9554 9555
}

Y
Yaniv Rosner 已提交
9556 9557 9558
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9559 9560
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9561 9562
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
9563
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
9564

Y
Yaniv Rosner 已提交
9565 9566
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
9567
	bnx2x_wait_reset_complete(bp, phy, params);
9568

Y
Yaniv Rosner 已提交
9569 9570 9571
	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
9572

9573 9574 9575
#define PHY84833_CMDHDLR_WAIT 300
#define PHY84833_CMDHDLR_MAX_ARGS 5
static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
9576
				   struct link_params *params,
9577 9578
		   u16 fw_cmd,
		   u16 cmd_args[])
Y
Yaniv Rosner 已提交
9579 9580 9581 9582 9583 9584
{
	u32 idx;
	u16 val;
	struct bnx2x *bp = params->bp;
	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9585 9586 9587
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9588
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9589 9590
				MDIO_84833_CMD_HDLR_STATUS, &val);
		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
Y
Yaniv Rosner 已提交
9591 9592 9593
			break;
		msleep(1);
	}
9594 9595
	if (idx >= PHY84833_CMDHDLR_WAIT) {
		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
Y
Yaniv Rosner 已提交
9596 9597 9598
		return -EINVAL;
	}

9599 9600 9601 9602 9603 9604
	/* Prepare argument(s) and issue command */
	for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_CMD_HDLR_DATA1 + idx,
				cmd_args[idx]);
	}
Y
Yaniv Rosner 已提交
9605
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9606 9607
			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9608
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9609 9610 9611
				MDIO_84833_CMD_HDLR_STATUS, &val);
		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
Y
Yaniv Rosner 已提交
9612 9613 9614
			break;
		msleep(1);
	}
9615 9616 9617
	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
Y
Yaniv Rosner 已提交
9618 9619
		return -EINVAL;
	}
9620 9621 9622 9623 9624 9625
	/* Gather returning data */
	for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_CMD_HDLR_DATA1 + idx,
				&cmd_args[idx]);
	}
Y
Yaniv Rosner 已提交
9626
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9627 9628
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
Y
Yaniv Rosner 已提交
9629 9630 9631
	return 0;
}

9632

9633 9634 9635 9636 9637 9638 9639 9640 9641 9642 9643 9644 9645 9646 9647 9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661
static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u32 pair_swap;
	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
	int status;
	struct bnx2x *bp = params->bp;

	/* Check for configuration. */
	pair_swap = REG_RD(bp, params->shmem_base +
			   offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;

	if (pair_swap == 0)
		return 0;

	/* Only the second argument is used for this command */
	data[1] = (u16)pair_swap;

	status = bnx2x_84833_cmd_hdlr(phy, params,
		PHY84833_CMD_SET_PAIR_SWAP, data);
	if (status == 0)
		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);

	return status;
}

9662 9663 9664
static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 chip_id)
9665 9666 9667 9668 9669 9670 9671 9672 9673 9674 9675 9676 9677 9678 9679 9680 9681 9682 9683 9684 9685 9686 9687 9688 9689 9690 9691 9692 9693 9694 9695 9696
{
	u32 reset_pin[2];
	u32 idx;
	u8 reset_gpios;
	if (CHIP_IS_E3(bp)) {
		/* Assume that these will be GPIOs, not EPIOs. */
		for (idx = 0; idx < 2; idx++) {
			/* Map config param to register bit. */
			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
			reset_pin[idx] = (reset_pin[idx] &
				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
			reset_pin[idx] = (1 << reset_pin[idx]);
		}
		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
	} else {
		/* E2, look from diff place of shmem. */
		for (idx = 0; idx < 2; idx++) {
			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[0].default_cfg));
			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
			reset_pin[idx] = (1 << reset_pin[idx]);
		}
		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
	}

9697 9698 9699 9700 9701 9702 9703 9704 9705 9706 9707 9708 9709
	return reset_gpios;
}

static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
				struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 reset_gpios;
	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
				offsetof(struct shmem2_region,
				other_shmem_base_addr));

	u32 shmem_base_path[2];
9710 9711 9712 9713 9714 9715 9716 9717 9718

	/* Work around for 84833 LED failure inside RESET status */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);

9719 9720 9721 9722 9723 9724 9725 9726 9727 9728 9729 9730 9731 9732
	shmem_base_path[0] = params->shmem_base;
	shmem_base_path[1] = other_shmem_base_addr;

	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
						  params->chip_id);

	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
	udelay(10);
	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
		reset_gpios);

	return 0;
}

Y
Yaniv Rosner 已提交
9733
#define PHY84833_CONSTANT_LATENCY 1193
Y
Yaniv Rosner 已提交
9734 9735 9736
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
9737 9738
{
	struct bnx2x *bp = params->bp;
9739
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
9740
	u16 val;
9741 9742
	u32 actual_phy_selection, cms_enable;
	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Y
Yaniv Rosner 已提交
9743
	int rc = 0;
9744

Y
Yaniv Rosner 已提交
9745
	msleep(1);
Y
Yaniv Rosner 已提交
9746 9747

	if (!(CHIP_IS_E1(bp)))
9748 9749 9750
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
9751 9752 9753 9754 9755 9756

	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 {
9757
		/* MDIO reset */
Y
Yaniv Rosner 已提交
9758 9759 9760
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
9761 9762 9763 9764 9765 9766
	}

	bnx2x_wait_reset_complete(bp, phy, params);

	/* Wait for GPHY to come out of reset */
	msleep(50);
9767
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9768
		/* BCM84823 requires that XGXS links up first @ 10G for normal
9769 9770 9771 9772 9773 9774 9775 9776 9777
		 * behavior.
		 */
		u16 temp;
		temp = vars->line_speed;
		vars->line_speed = SPEED_10000;
		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
		vars->line_speed = temp;
	}
Y
Yaniv Rosner 已提交
9778 9779

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
9780
			MDIO_CTL_REG_84823_MEDIA, &val);
Y
Yaniv Rosner 已提交
9781 9782 9783 9784 9785
	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);
9786 9787 9788 9789 9790 9791 9792 9793

	if (CHIP_IS_E3(bp)) {
		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
	} else {
		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
	}
Y
Yaniv Rosner 已提交
9794 9795 9796 9797 9798

	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
9799
		/* Do nothing. Essentially this is like the priority copper */
Y
Yaniv Rosner 已提交
9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 9810 9811 9812 9813 9814 9815 9816 9817 9818
		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
9819
			 MDIO_CTL_REG_84823_MEDIA, val);
Y
Yaniv Rosner 已提交
9820 9821 9822
	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

9823 9824
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_84833_pair_swap_cfg(phy, params, vars);
Y
Yaniv Rosner 已提交
9825

9826 9827
		/* Keep AutogrEEEn disabled. */
		cmd_args[0] = 0x0;
9828 9829 9830 9831 9832 9833 9834 9835
		cmd_args[1] = 0x0;
		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
		rc = bnx2x_84833_cmd_hdlr(phy, params,
			PHY84833_CMD_SET_EEE_MODE, cmd_args);
		if (rc != 0)
			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
	}
Y
Yaniv Rosner 已提交
9836 9837 9838
	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
9839
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Y
Yaniv Rosner 已提交
9840 9841 9842
	/* 84833 PHY has a better feature and doesn't need to support this. */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		cms_enable = REG_RD(bp, params->shmem_base +
9843 9844 9845 9846
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].default_cfg)) &
			PORT_HW_CFG_ENABLE_CMS_MASK;

Y
Yaniv Rosner 已提交
9847 9848 9849 9850 9851 9852 9853 9854 9855
		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);
	}
9856

9857 9858 9859 9860 9861 9862 9863 9864 9865 9866
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		/* Bring PHY out of super isolate mode as the final step. */
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
		val &= ~MDIO_84833_SUPER_ISOLATE;
		bnx2x_cl45_write(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
	}
Y
Yaniv Rosner 已提交
9867
	return rc;
Y
Yaniv Rosner 已提交
9868
}
Y
Yaniv Rosner 已提交
9869

Y
Yaniv Rosner 已提交
9870
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
9871 9872
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9873 9874
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9875
	u16 val, val1, val2;
Y
Yaniv Rosner 已提交
9876
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
9877

9878

Y
Yaniv Rosner 已提交
9879 9880 9881 9882 9883
	/* 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
9884
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Y
Yaniv Rosner 已提交
9885 9886
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
9887

Y
Yaniv Rosner 已提交
9888 9889
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
9890
		vars->line_speed = SPEED_10000;
9891
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
9892 9893 9894 9895
		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
9896

Y
Yaniv Rosner 已提交
9897 9898 9899 9900
		/* 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
9901

Y
Yaniv Rosner 已提交
9902 9903 9904 9905 9906
		/* 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
9907

9908 9909
		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
		   legacy_status);
Y
Yaniv Rosner 已提交
9910 9911 9912 9913 9914 9915 9916 9917 9918 9919 9920
		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
9921

Y
Yaniv Rosner 已提交
9922 9923 9924 9925
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
9926

9927 9928 9929 9930
			DP(NETIF_MSG_LINK,
			   "Link is up in %dMbps, is_duplex_full= %d\n",
			   vars->line_speed,
			   (vars->duplex == DUPLEX_FULL));
Y
Yaniv Rosner 已提交
9931 9932 9933 9934 9935 9936 9937 9938 9939 9940 9941 9942 9943 9944 9945
			/* 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
9946 9947
		}
	}
Y
Yaniv Rosner 已提交
9948 9949 9950 9951
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9952 9953 9954 9955 9956 9957 9958 9959 9960 9961 9962 9963 9964 9965 9966 9967 9968 9969 9970 9971 9972 9973 9974 9975 9976 9977 9978 9979 9980 9981 9982 9983 9984 9985 9986 9987

		/* Read LP advertised speeds */
		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_CL37_FC_LP, &val);
		if (val & (1<<5))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
		if (val & (1<<6))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
		if (val & (1<<7))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
		if (val & (1<<8))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
		if (val & (1<<9))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;

		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_1000T_STATUS, &val);

		if (val & (1<<10))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
		if (val & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;

		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_MASTER_STATUS, &val);

		if (val & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Y
Yaniv Rosner 已提交
9988
	}
E
Eilon Greenstein 已提交
9989

Y
Yaniv Rosner 已提交
9990
	return link_up;
Y
Yaniv Rosner 已提交
9991 9992
}

Y
Yaniv Rosner 已提交
9993 9994

static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
9995
{
Y
Yaniv Rosner 已提交
9996
	int status = 0;
Y
Yaniv Rosner 已提交
9997 9998 9999 10000
	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
10001
}
Y
Yaniv Rosner 已提交
10002 10003 10004

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
10005
{
Y
Yaniv Rosner 已提交
10006
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10007
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
Yaniv Rosner 已提交
10008
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10009
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
10010
}
Y
Yaniv Rosner 已提交
10011

Y
Yaniv Rosner 已提交
10012 10013 10014 10015 10016 10017 10018 10019 10020 10021 10022 10023 10024
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;
10025
	u8 port;
10026
	u16 val16;
Y
Yaniv Rosner 已提交
10027

10028
	if (!(CHIP_IS_E1x(bp)))
10029 10030 10031
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
10032 10033 10034 10035 10036 10037

	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 {
10038 10039
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
10040 10041
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
		val16 |= MDIO_84833_SUPER_ISOLATE;
Y
Yaniv Rosner 已提交
10042
		bnx2x_cl45_write(bp, phy,
10043 10044
				 MDIO_CTL_DEVAD,
				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Y
Yaniv Rosner 已提交
10045
	}
Y
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10046 10047
}

10048 10049 10050 10051 10052
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
10053 10054
	u8 port;

10055
	if (!(CHIP_IS_E1x(bp)))
Y
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10056 10057 10058
		port = BP_PATH(bp);
	else
		port = params->port;
10059 10060 10061 10062

	switch (mode) {
	case LED_MODE_OFF:

Y
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10063
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10064 10065 10066 10067 10068 10069 10070 10071 10072 10073 10074 10075 10076 10077 10078 10079 10080 10081 10082 10083 10084 10085 10086 10087 10088 10089 10090 10091 10092 10093 10094 10095 10096 10097 10098

		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
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10099
		   port);
10100 10101 10102 10103 10104 10105

		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
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10106 10107 10108
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10109 10110

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10111 10112 10113
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);
10114 10115

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10116 10117 10118
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
10119 10120

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10121 10122 10123
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
10124 10125 10126 10127 10128 10129 10130 10131 10132 10133

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

Y
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10134
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10135 10136 10137 10138 10139 10140 10141 10142 10143 10144 10145 10146

		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
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10147 10148 10149
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
10150 10151 10152

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
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10153 10154 10155
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10156 10157

			bnx2x_cl45_write(bp, phy,
Y
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10158 10159 10160
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
10161 10162

			bnx2x_cl45_write(bp, phy,
Y
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10163 10164 10165
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
10166 10167

			bnx2x_cl45_write(bp, phy,
Y
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10168 10169 10170
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
10171 10172
		} else {
			bnx2x_cl45_write(bp, phy,
Y
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10173 10174 10175
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
10176 10177 10178 10179 10180
		}
		break;

	case LED_MODE_OPER:

Y
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10181
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10182 10183 10184 10185 10186 10187 10188 10189 10190 10191 10192

		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
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10193 10194
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10195
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10196 10197 10198 10199 10200 10201 10202 10203
				bnx2x_cl45_write(bp, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_LINK_SIGNAL,
						 0xa492);
			}

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
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10204 10205 10206
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
10207 10208

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10209 10210 10211
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
10212 10213

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10214 10215 10216
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
10217 10218

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10219 10220 10221
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
10222 10223 10224 10225 10226 10227

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
10228 10229 10230 10231 10232 10233 10234 10235 10236 10237 10238 10239

			/* 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);
10240 10241 10242
		}
		break;
	}
10243

10244
	/* This is a workaround for E3+84833 until autoneg
10245 10246 10247 10248 10249 10250
	 * restart is fixed in f/w
	 */
	if (CHIP_IS_E3(bp)) {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
	}
10251
}
10252

Y
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10253
/******************************************************************/
10254
/*			54618SE PHY SECTION			  */
Y
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10255
/******************************************************************/
10256
static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Y
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10257 10258 10259 10260 10261 10262 10263 10264
					       struct link_params *params,
					       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 port;
	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
	u32 cfg_pin;

10265
	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Y
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10266 10267
	usleep_range(1000, 1000);

10268
	/* This works with E3 only, no need to check the chip
Y
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10269 10270
	 * before determining the port.
	 */
Y
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10271 10272 10273 10274 10275 10276 10277 10278 10279 10280 10281 10282 10283 10284 10285 10286 10287 10288 10289
	port = params->port;

	cfg_pin = (REG_RD(bp, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
			PORT_HW_CFG_E3_PHY_RESET_SHIFT;

	/* Drive pin high to bring the GPHY out of reset. */
	bnx2x_set_cfg_pin(bp, cfg_pin, 1);

	/* wait for GPHY to reset */
	msleep(50);

	/* reset phy */
	bnx2x_cl22_write(bp, phy,
			 MDIO_PMA_REG_CTRL, 0x8000);
	bnx2x_wait_reset_complete(bp, phy, params);

10290
	/* Wait for GPHY to reset */
Y
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10291 10292 10293 10294 10295 10296 10297 10298 10299 10300 10301 10302 10303 10304 10305 10306 10307 10308 10309 10310 10311 10312 10313 10314 10315 10316 10317 10318 10319 10320 10321 10322 10323 10324 10325 10326 10327 10328 10329 10330 10331 10332 10333 10334 10335 10336 10337 10338 10339 10340 10341 10342 10343 10344 10345 10346 10347 10348 10349 10350 10351 10352 10353 10354 10355 10356 10357 10358 10359 10360 10361 10362 10363 10364 10365 10366 10367 10368 10369 10370 10371 10372 10373 10374 10375 10376 10377 10378 10379 10380 10381 10382 10383 10384 10385 10386 10387 10388 10389 10390 10391 10392 10393 10394 10395 10396 10397 10398 10399 10400 10401 10402 10403 10404 10405 10406 10407 10408 10409 10410 10411 10412 10413 10414
	msleep(50);

	/* Configure LED4: set to INTR (0x6). */
	/* Accessing shadow register 0xe. */
	bnx2x_cl22_write(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_LED_SEL2);
	bnx2x_cl22_read(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			&temp);
	temp &= ~(0xf << 4);
	temp |= (0x6 << 4);
	bnx2x_cl22_write(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
	/* Configure INTR based on link status change. */
	bnx2x_cl22_write(bp, phy,
			MDIO_REG_INTR_MASK,
			~MDIO_REG_INTR_MASK_LINK_STATUS);

	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
	bnx2x_cl22_write(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
	bnx2x_cl22_read(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			&temp);
	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
	bnx2x_cl22_write(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);

	/* Set up fc */
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	fc_val = 0;
	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;

	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;

	/* read all advertisement */
	bnx2x_cl22_read(bp, phy,
			0x09,
			&an_1000_val);

	bnx2x_cl22_read(bp, phy,
			0x04,
			&an_10_100_val);

	bnx2x_cl22_read(bp, phy,
			MDIO_PMA_REG_CTRL,
			&autoneg_val);

	/* Disable forced speed */
	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
			   (1<<11));

	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
			(phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
			(phy->req_line_speed == SPEED_1000)) {
		an_1000_val |= (1<<8);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_1000_val |= (1<<9);
		DP(NETIF_MSG_LINK, "Advertising 1G\n");
	} else
		an_1000_val &= ~((1<<8) | (1<<9));

	bnx2x_cl22_write(bp, phy,
			0x09,
			an_1000_val);
	bnx2x_cl22_read(bp, phy,
			0x09,
			&an_1000_val);

	/* set 100 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);

		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");
	}

	/* Only 10/100 are allowed to work in FORCE mode */
	if (phy->req_line_speed == SPEED_100) {
		autoneg_val |= (1<<13);
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl22_write(bp, phy,
				0x18,
				(1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
	if (phy->req_line_speed == SPEED_10) {
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl22_write(bp, phy,
				0x18,
				(1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 10M force\n");
	}

Y
Yaniv Rosner 已提交
10415 10416 10417 10418 10419 10420 10421 10422 10423 10424 10425 10426 10427 10428 10429 10430 10431 10432 10433 10434 10435 10436 10437 10438
	/* Check if we should turn on Auto-GrEEEn */
	bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
	if (temp == MDIO_REG_GPHY_ID_54618SE) {
		if (params->feature_config_flags &
		    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
			temp = 6;
			DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
		} else {
			temp = 0;
			DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
		}
		bnx2x_cl22_write(bp, phy,
				 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
		bnx2x_cl22_write(bp, phy,
				 MDIO_REG_GPHY_CL45_DATA_REG,
				 MDIO_REG_GPHY_EEE_ADV);
		bnx2x_cl22_write(bp, phy,
				 MDIO_REG_GPHY_CL45_ADDR_REG,
				 (0x1 << 14) | MDIO_AN_DEVAD);
		bnx2x_cl22_write(bp, phy,
				 MDIO_REG_GPHY_CL45_DATA_REG,
				 temp);
	}

Y
Yaniv Rosner 已提交
10439 10440 10441 10442 10443 10444 10445 10446 10447 10448 10449 10450 10451
	bnx2x_cl22_write(bp, phy,
			0x04,
			an_10_100_val | fc_val);

	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);

	bnx2x_cl22_write(bp, phy,
			MDIO_PMA_REG_CTRL, autoneg_val);

	return 0;
}

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Yaniv Rosner 已提交
10452 10453 10454 10455 10456 10457 10458 10459 10460 10461 10462 10463 10464 10465 10466 10467 10468 10469 10470 10471 10472 10473 10474 10475 10476 10477 10478 10479 10480 10481 10482 10483 10484 10485 10486 10487 10488

static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
				       struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 temp;

	bnx2x_cl22_write(bp, phy,
		MDIO_REG_GPHY_SHADOW,
		MDIO_REG_GPHY_SHADOW_LED_SEL1);
	bnx2x_cl22_read(bp, phy,
		MDIO_REG_GPHY_SHADOW,
		&temp);
	temp &= 0xff00;

	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		temp |= 0x00ee;
		break;
	case LED_MODE_OPER:
		temp |= 0x0001;
		break;
	case LED_MODE_ON:
		temp |= 0x00ff;
		break;
	default:
		break;
	}
	bnx2x_cl22_write(bp, phy,
		MDIO_REG_GPHY_SHADOW,
		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
	return;
}


10489 10490
static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
10491 10492 10493 10494 10495
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port;

10496
	/* In case of no EPIO routed to reset the GPHY, put it
10497 10498 10499
	 * in low power mode.
	 */
	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10500
	/* This works with E3 only, no need to check the chip
10501 10502
	 * before determining the port.
	 */
Y
Yaniv Rosner 已提交
10503 10504 10505 10506 10507 10508 10509 10510 10511 10512 10513
	port = params->port;
	cfg_pin = (REG_RD(bp, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
			PORT_HW_CFG_E3_PHY_RESET_SHIFT;

	/* Drive pin low to put GPHY in reset. */
	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
}

10514 10515 10516
static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars)
Y
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10517 10518 10519 10520 10521 10522 10523 10524 10525 10526
{
	struct bnx2x *bp = params->bp;
	u16 val;
	u8 link_up = 0;
	u16 legacy_status, legacy_speed;

	/* Get speed operation status */
	bnx2x_cl22_read(bp, phy,
			0x19,
			&legacy_status);
10527
	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Y
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10528 10529 10530 10531 10532 10533 10534 10535 10536 10537 10538 10539 10540 10541 10542 10543 10544 10545 10546 10547 10548 10549 10550 10551 10552 10553 10554 10555 10556 10557 10558 10559 10560

	/* Read status to clear the PHY interrupt. */
	bnx2x_cl22_read(bp, phy,
			MDIO_REG_INTR_STATUS,
			&val);

	link_up = ((legacy_status & (1<<2)) == (1<<2));

	if (link_up) {
		legacy_speed = (legacy_status & (7<<8));
		if (legacy_speed == (7<<8)) {
			vars->line_speed = SPEED_1000;
			vars->duplex = DUPLEX_FULL;
		} else if (legacy_speed == (6<<8)) {
			vars->line_speed = SPEED_1000;
			vars->duplex = DUPLEX_HALF;
		} else if (legacy_speed == (5<<8)) {
			vars->line_speed = SPEED_100;
			vars->duplex = DUPLEX_FULL;
		}
		/* Omitting 100Base-T4 for now */
		else if (legacy_speed == (3<<8)) {
			vars->line_speed = SPEED_100;
			vars->duplex = DUPLEX_HALF;
		} else if (legacy_speed == (2<<8)) {
			vars->line_speed = SPEED_10;
			vars->duplex = DUPLEX_FULL;
		} else if (legacy_speed == (1<<8)) {
			vars->line_speed = SPEED_10;
			vars->duplex = DUPLEX_HALF;
		} else /* Should not happen */
			vars->line_speed = 0;

10561 10562 10563 10564
		DP(NETIF_MSG_LINK,
		   "Link is up in %dMbps, is_duplex_full= %d\n",
		   vars->line_speed,
		   (vars->duplex == DUPLEX_FULL));
Y
Yaniv Rosner 已提交
10565 10566 10567 10568 10569 10570 10571 10572 10573 10574 10575 10576 10577 10578 10579

		/* Check legacy speed AN resolution */
		bnx2x_cl22_read(bp, phy,
				0x01,
				&val);
		if (val & (1<<5))
			vars->link_status |=
				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
		bnx2x_cl22_read(bp, phy,
				0x06,
				&val);
		if ((val & (1<<0)) == 0)
			vars->link_status |=
				LINK_STATUS_PARALLEL_DETECTION_USED;

10580
		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Y
Yaniv Rosner 已提交
10581
			   vars->line_speed);
10582 10583 10584 10585 10586 10587 10588 10589 10590 10591 10592 10593 10594 10595 10596 10597 10598 10599 10600 10601 10602 10603 10604 10605

		/* Report whether EEE is resolved. */
		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
		if (val == MDIO_REG_GPHY_ID_54618SE) {
			if (vars->link_status &
			    LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
				val = 0;
			else {
				bnx2x_cl22_write(bp, phy,
					MDIO_REG_GPHY_CL45_ADDR_REG,
					MDIO_AN_DEVAD);
				bnx2x_cl22_write(bp, phy,
					MDIO_REG_GPHY_CL45_DATA_REG,
					MDIO_REG_GPHY_EEE_RESOLVED);
				bnx2x_cl22_write(bp, phy,
					MDIO_REG_GPHY_CL45_ADDR_REG,
					(0x1 << 14) | MDIO_AN_DEVAD);
				bnx2x_cl22_read(bp, phy,
					MDIO_REG_GPHY_CL45_DATA_REG,
					&val);
			}
			DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
		}

Y
Yaniv Rosner 已提交
10606
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10607 10608

		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10609
			/* Report LP advertised speeds */
10610 10611 10612 10613 10614 10615 10616 10617 10618 10619 10620 10621 10622 10623 10624 10625 10626 10627 10628 10629 10630 10631 10632 10633 10634 10635
			bnx2x_cl22_read(bp, phy, 0x5, &val);

			if (val & (1<<5))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
			if (val & (1<<6))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
			if (val & (1<<7))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
			if (val & (1<<8))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
			if (val & (1<<9))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;

			bnx2x_cl22_read(bp, phy, 0xa, &val);
			if (val & (1<<10))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
			if (val & (1<<11))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		}
Y
Yaniv Rosner 已提交
10636 10637 10638 10639
	}
	return link_up;
}

10640 10641
static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
					  struct link_params *params)
Y
Yaniv Rosner 已提交
10642 10643 10644 10645 10646
{
	struct bnx2x *bp = params->bp;
	u16 val;
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;

10647
	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Y
Yaniv Rosner 已提交
10648 10649 10650 10651 10652 10653 10654 10655 10656 10657 10658 10659 10660 10661 10662 10663 10664 10665 10666 10667 10668 10669 10670 10671 10672 10673

	/* Enable master/slave manual mmode and set to master */
	/* mii write 9 [bits set 11 12] */
	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);

	/* forced 1G and disable autoneg */
	/* set val [mii read 0] */
	/* set val [expr $val & [bits clear 6 12 13]] */
	/* set val [expr $val | [bits set 6 8]] */
	/* mii write 0 $val */
	bnx2x_cl22_read(bp, phy, 0x00, &val);
	val &= ~((1<<6) | (1<<12) | (1<<13));
	val |= (1<<6) | (1<<8);
	bnx2x_cl22_write(bp, phy, 0x00, val);

	/* Set external loopback and Tx using 6dB coding */
	/* mii write 0x18 7 */
	/* set val [mii read 0x18] */
	/* mii write 0x18 [expr $val | [bits set 10 15]] */
	bnx2x_cl22_write(bp, phy, 0x18, 7);
	bnx2x_cl22_read(bp, phy, 0x18, &val);
	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));

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

10674
	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Y
Yaniv Rosner 已提交
10675 10676 10677 10678 10679
	 * length used by the MAC receive logic to check frames.
	 */
	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
}

Y
Yaniv Rosner 已提交
10680 10681 10682 10683 10684
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
10685 10686
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10687 10688 10689
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
10690 10691
}

Y
Yaniv Rosner 已提交
10692 10693 10694
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
10695
{
Y
Yaniv Rosner 已提交
10696
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
10697
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10698
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
10699

Y
Yaniv Rosner 已提交
10700 10701
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
10702
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
10703 10704
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
10705
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
10706

Y
Yaniv Rosner 已提交
10707
	bnx2x_cl45_write(bp, phy,
10708
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Y
Yaniv Rosner 已提交
10709 10710 10711
	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
10712

Y
Yaniv Rosner 已提交
10713 10714 10715 10716 10717 10718 10719
	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
10720

Y
Yaniv Rosner 已提交
10721 10722 10723
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
10724

Y
Yaniv Rosner 已提交
10725 10726 10727 10728 10729 10730
	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
10731

Y
Yaniv Rosner 已提交
10732 10733 10734
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
10735 10736
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10737 10738 10739
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
10740
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
10741
	bnx2x_cl45_read(bp, phy,
10742
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
10743 10744 10745 10746 10747 10748 10749 10750 10751
	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);
10752
	/* if link is up print the AN outcome of the SFX7101 PHY */
Y
Yaniv Rosner 已提交
10753 10754 10755 10756 10757
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
10758
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
10759 10760 10761 10762
		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);
10763 10764 10765 10766 10767

		/* read LP advertised speeds */
		if (val2 & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Y
Yaniv Rosner 已提交
10768 10769 10770
	}
	return link_up;
}
E
Eilon Greenstein 已提交
10771

Y
Yaniv Rosner 已提交
10772
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10773 10774 10775 10776 10777 10778 10779 10780 10781
{
	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;
10782 10783 10784
	return 0;
}

Y
Yaniv Rosner 已提交
10785
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10786
{
Y
Yaniv Rosner 已提交
10787
	u16 val, cnt;
10788

Y
Yaniv Rosner 已提交
10789
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10790 10791
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
10792

Y
Yaniv Rosner 已提交
10793 10794 10795 10796
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10797 10798 10799
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
Y
Yaniv Rosner 已提交
10800 10801
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10802 10803
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
10804

Y
Yaniv Rosner 已提交
10805 10806
		if ((val & (1<<15)) == 0)
			break;
10807 10808
	}
}
Y
Yaniv Rosner 已提交
10809

Y
Yaniv Rosner 已提交
10810 10811 10812 10813
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
10814
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10815 10816
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10817
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10818
}
Y
Yaniv Rosner 已提交
10819

10820 10821 10822 10823 10824 10825 10826 10827 10828 10829 10830 10831 10832 10833 10834 10835 10836 10837 10838 10839 10840 10841 10842
static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	u16 val = 0;
	struct bnx2x *bp = params->bp;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		val = 2;
		break;
	case LED_MODE_ON:
		val = 1;
		break;
	case LED_MODE_OPER:
		val = 0;
		break;
	}
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
			 val);
}

Y
Yaniv Rosner 已提交
10843 10844 10845
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
10846

Y
Yaniv Rosner 已提交
10847 10848 10849 10850
static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.def_md_devad	= 0,
10851
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
10852 10853 10854 10855 10856 10857
	.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
10858 10859 10860
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
10861 10862 10863 10864 10865 10866 10867 10868
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)NULL,
	.read_status	= (read_status_t)NULL,
	.link_reset	= (link_reset_t)NULL,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
Yaniv Rosner 已提交
10869 10870
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
10871
};
Y
Yaniv Rosner 已提交
10872

Y
Yaniv Rosner 已提交
10873 10874 10875 10876
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
10877
	.flags		= 0,
Y
Yaniv Rosner 已提交
10878 10879 10880 10881 10882 10883 10884 10885 10886 10887 10888 10889 10890
	.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
Yaniv Rosner 已提交
10891
	.media_type	= ETH_PHY_BASE_T,
Y
Yaniv Rosner 已提交
10892 10893
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
10894 10895
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
10896 10897
	.req_duplex	= 0,
	.rsrv		= 0,
Y
Yaniv Rosner 已提交
10898
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
Yaniv Rosner 已提交
10899 10900 10901 10902 10903
	.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
10904 10905
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
10906
};
Y
Yaniv Rosner 已提交
10907 10908 10909 10910 10911

static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
10912
	.flags		= 0,
Y
Yaniv Rosner 已提交
10913 10914 10915 10916 10917 10918 10919 10920 10921 10922 10923 10924 10925 10926
	.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
Yaniv Rosner 已提交
10927
	.media_type	= ETH_PHY_CX4,
Y
Yaniv Rosner 已提交
10928 10929
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
10930 10931
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
10932 10933
	.req_duplex	= 0,
	.rsrv		= 0,
Y
Yaniv Rosner 已提交
10934
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
Yaniv Rosner 已提交
10935 10936 10937 10938 10939
	.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
Yaniv Rosner 已提交
10940 10941
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
10942
};
10943 10944 10945 10946
static struct bnx2x_phy phy_warpcore = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
10947 10948
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
			   FLAGS_TX_ERROR_CHECK),
10949 10950 10951 10952
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
10953 10954 10955 10956 10957 10958 10959 10960 10961 10962 10963
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_20000baseKR2_Full |
			   SUPPORTED_20000baseMLD2_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
10964 10965 10966 10967 10968 10969 10970 10971 10972 10973 10974 10975
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	/* req_duplex = */0,
	/* rsrv = */0,
	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
10976
	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
10977 10978 10979 10980
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

Y
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10981 10982 10983 10984 10985

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.def_md_devad	= 0,
10986
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
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10987 10988 10989 10990 10991 10992 10993 10994 10995 10996 10997
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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10998 10999
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11000 11001 11002 11003 11004 11005 11006 11007
	.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,
11008
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
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11009
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11010 11011 11012 11013 11014
};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.def_md_devad	= 0,
11015
	.flags		= FLAGS_HW_LOCK_REQUIRED,
Y
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11016 11017 11018 11019 11020 11021 11022 11023 11024 11025
	.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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11026
	.media_type	= ETH_PHY_KR,
Y
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11027
	.ver_addr	= 0,
Y
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11028 11029 11030
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11031 11032
	.req_duplex	= 0,
	.rsrv		= 0,
11033
	.config_init	= (config_init_t)bnx2x_8073_config_init,
Y
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11034 11035 11036 11037 11038
	.read_status	= (read_status_t)bnx2x_8073_read_status,
	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
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11039 11040
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11041 11042 11043 11044 11045
};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.def_md_devad	= 0,
11046
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11047 11048 11049 11050 11051 11052 11053 11054 11055 11056 11057 11058 11059 11060 11061 11062 11063 11064 11065 11066
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_XFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8705_config_init,
	.read_status	= (read_status_t)bnx2x_8705_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
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11067 11068
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11069 11070 11071 11072 11073
};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.def_md_devad	= 0,
11074
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11075 11076 11077 11078 11079 11080 11081 11082 11083 11084 11085 11086 11087 11088 11089 11090 11091 11092 11093 11094 11095
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8706_config_init,
	.read_status	= (read_status_t)bnx2x_8706_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
Y
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11096 11097
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11098 11099 11100 11101 11102
};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
11103
	.def_md_devad	= 0,
Y
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11104
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11105 11106
			   FLAGS_INIT_XGXS_FIRST |
			   FLAGS_TX_ERROR_CHECK),
Y
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11107 11108 11109 11110 11111 11112 11113 11114 11115
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_Autoneg |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
Y
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11116
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11117 11118 11119 11120 11121 11122 11123 11124 11125 11126 11127 11128
	.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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11129 11130
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11131 11132 11133 11134 11135 11136
};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.def_md_devad	= 0,
11137 11138
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_TX_ERROR_CHECK),
Y
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11139 11140 11141 11142 11143 11144 11145 11146
	.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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11147
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11148 11149 11150 11151 11152 11153 11154 11155 11156 11157 11158 11159
	.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,
11160
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
Y
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11161
	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Y
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11162 11163 11164 11165
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
11166
	.def_md_devad	= 0,
Y
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11167 11168
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
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11169 11170 11171 11172 11173 11174 11175 11176 11177 11178 11179 11180 11181 11182 11183 11184 11185 11186 11187 11188 11189 11190 11191 11192 11193 11194
	.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,
11195
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11196
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11197 11198
};

Y
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11199 11200 11201
static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
11202
	.def_md_devad	= 0,
11203 11204 11205
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_REARM_LATCH_SIGNAL |
			   FLAGS_TX_ERROR_CHECK),
Y
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11206 11207 11208 11209 11210 11211 11212 11213 11214 11215 11216 11217 11218 11219 11220 11221 11222 11223 11224 11225 11226 11227 11228 11229 11230 11231
	.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,
11232
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11233
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11234 11235
};

11236 11237 11238
static struct bnx2x_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
11239
	.def_md_devad	= 0,
11240 11241 11242
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_REARM_LATCH_SIGNAL |
			   FLAGS_TX_ERROR_CHECK),
11243 11244 11245
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
11246
	.supported	= (SUPPORTED_100baseT_Half |
11247 11248 11249 11250 11251 11252 11253 11254 11255 11256 11257 11258 11259 11260 11261 11262 11263 11264 11265
			   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,
11266
	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11267 11268 11269 11270
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)NULL
};

11271 11272
static struct bnx2x_phy phy_54618se = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Y
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11273 11274 11275 11276 11277 11278 11279 11280 11281 11282 11283 11284 11285 11286 11287 11288 11289 11290 11291 11292 11293 11294
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	/* req_duplex = */0,
	/* rsrv = */0,
11295 11296 11297 11298
	.config_init	= (config_init_t)bnx2x_54618se_config_init,
	.read_status	= (read_status_t)bnx2x_54618se_read_status,
	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Y
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11299 11300
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
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11301
	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
Y
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11302 11303
	.phy_specific_func = (phy_specific_func_t)NULL
};
Y
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11304 11305 11306 11307 11308 11309 11310 11311 11312 11313 11314 11315 11316
/*****************************************************************/
/*                                                               */
/* 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++) {
11317 11318
		/* INT_PHY and EXT_PHY1 share the same value location in
		 * the shmem. When num_phys is greater than 1, than this value
Y
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11319 11320
		 * applies only to EXT_PHY1
		 */
Y
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11321 11322 11323
		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11324
			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Y
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11325 11326 11327

			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11328
			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Y
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11329 11330 11331
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11332
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
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11333

Y
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11334 11335
			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11336
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
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11337
		}
Y
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11338 11339 11340 11341 11342 11343 11344 11345 11346 11347 11348 11349 11350 11351 11352 11353 11354 11355 11356

		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);

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

static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
				    u8 phy_index, u8 port)
{
	u32 ext_phy_config = 0;
	switch (phy_index) {
	case EXT_PHY1:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config));
		break;
Y
Yaniv Rosner 已提交
11357 11358 11359 11360 11361
	case EXT_PHY2:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config2));
		break;
Y
Yaniv Rosner 已提交
11362 11363 11364 11365 11366 11367 11368
	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
Y
Yaniv Rosner 已提交
11369 11370
static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				  struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11371 11372 11373 11374 11375 11376 11377
{
	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);
11378 11379 11380
	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);

11381 11382 11383
	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
	if (USES_WARPCORE(bp)) {
		u32 serdes_net_if;
Y
Yaniv Rosner 已提交
11384
		phy_addr = REG_RD(bp,
11385 11386 11387 11388 11389 11390 11391 11392 11393 11394 11395
				  MISC_REG_WC0_CTRL_PHY_ADDR);
		*phy = phy_warpcore;
		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
			phy->flags |= FLAGS_4_PORT_MODE;
		else
			phy->flags &= ~FLAGS_4_PORT_MODE;
			/* Check Dual mode */
		serdes_net_if = (REG_RD(bp, shmem_base +
					offsetof(struct shmem_region, dev_info.
					port_hw_config[port].default_cfg)) &
				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11396
		/* Set the appropriate supported and flags indications per
11397 11398 11399 11400 11401 11402 11403 11404 11405 11406 11407 11408 11409 11410 11411 11412 11413 11414 11415 11416 11417 11418 11419 11420 11421 11422 11423 11424 11425 11426 11427 11428 11429 11430 11431 11432 11433 11434 11435 11436 11437 11438 11439 11440 11441 11442 11443 11444 11445 11446 11447 11448 11449 11450 11451 11452 11453
		 * interface type of the chip
		 */
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
			phy->supported &= (SUPPORTED_10baseT_Half |
					   SUPPORTED_10baseT_Full |
					   SUPPORTED_100baseT_Half |
					   SUPPORTED_100baseT_Full |
					   SUPPORTED_1000baseT_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Autoneg |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			phy->media_type = ETH_PHY_BASE_T;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_XFI:
			phy->media_type = ETH_PHY_XFP_FIBER;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_SFI:
			phy->supported &= (SUPPORTED_1000baseT_Full |
					   SUPPORTED_10000baseT_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			phy->media_type = ETH_PHY_SFP_FIBER;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			phy->media_type = ETH_PHY_KR;
			phy->supported &= (SUPPORTED_1000baseT_Full |
					   SUPPORTED_10000baseT_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Autoneg |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			break;
		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
			phy->media_type = ETH_PHY_KR;
			phy->flags |= FLAGS_WC_DUAL_MODE;
			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			break;
		case PORT_HW_CFG_NET_SERDES_IF_KR2:
			phy->media_type = ETH_PHY_KR;
			phy->flags |= FLAGS_WC_DUAL_MODE;
			phy->supported &= (SUPPORTED_20000baseKR2_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			break;
		default:
			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
				       serdes_net_if);
			break;
		}

11454
		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11455 11456 11457 11458 11459
		 * was not set as expected. For B0, ECO will be enabled so there
		 * won't be an issue there
		 */
		if (CHIP_REV(bp) == CHIP_REV_Ax)
			phy->flags |= FLAGS_MDC_MDIO_WA;
11460 11461
		else
			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11462 11463 11464 11465 11466 11467 11468 11469 11470 11471 11472 11473 11474 11475 11476 11477 11478 11479
	} else {
		switch (switch_cfg) {
		case SWITCH_CFG_1G:
			phy_addr = REG_RD(bp,
					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
					  port * 0x10);
			*phy = phy_serdes;
			break;
		case SWITCH_CFG_10G:
			phy_addr = REG_RD(bp,
					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
					  port * 0x18);
			*phy = phy_xgxs;
			break;
		default:
			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
11480 11481 11482 11483 11484
	}
	phy->addr = (u8)phy_addr;
	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
					    port);
D
Dmitry Kravkov 已提交
11485 11486 11487 11488
	if (CHIP_IS_E2(bp))
		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
	else
		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Y
Yaniv Rosner 已提交
11489 11490 11491 11492 11493 11494 11495 11496

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

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

Y
Yaniv Rosner 已提交
11497 11498 11499 11500 11501 11502
static int bnx2x_populate_ext_phy(struct bnx2x *bp,
				  u8 phy_index,
				  u32 shmem_base,
				  u32 shmem2_base,
				  u8 port,
				  struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11503 11504 11505 11506 11507 11508 11509 11510 11511 11512 11513 11514 11515 11516 11517 11518 11519 11520 11521 11522 11523 11524 11525 11526 11527 11528 11529 11530
{
	u32 ext_phy_config, phy_type, config2;
	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
						  phy_index, port);
	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
	/* Select the phy type */
	switch (phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
		*phy = phy_8073;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
		*phy = phy_8705;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
		*phy = phy_8706;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8726;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
		/* BCM8727_NOC => BCM8727 no over current */
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8727;
		phy->flags |= FLAGS_NOC;
		break;
Y
Yaniv Rosner 已提交
11531
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Y
Yaniv Rosner 已提交
11532 11533 11534 11535 11536 11537 11538 11539 11540 11541
	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;
11542 11543 11544
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
Y
Yaniv Rosner 已提交
11545
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11546 11547
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
		*phy = phy_54618se;
Y
Yaniv Rosner 已提交
11548
		break;
Y
Yaniv Rosner 已提交
11549 11550 11551 11552 11553 11554 11555 11556
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
		*phy = phy_7101;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		*phy = phy_null;
		return -EINVAL;
	default:
		*phy = phy_null;
Y
Yaniv Rosner 已提交
11557 11558 11559 11560
		/* In case external PHY wasn't found */
		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
			return -EINVAL;
Y
Yaniv Rosner 已提交
11561 11562 11563 11564 11565 11566
		return 0;
	}

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

11567
	/* The shmem address of the phy version is located on different
11568 11569 11570
	 * structures. In case this structure is too old, do not set
	 * the address
	 */
Y
Yaniv Rosner 已提交
11571 11572
	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
Y
Yaniv Rosner 已提交
11573 11574 11575
	if (phy_index == EXT_PHY1) {
		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
				port_mb[port].ext_phy_fw_version);
Y
Yaniv Rosner 已提交
11576

Y
Yaniv Rosner 已提交
11577 11578 11579 11580
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
			mdc_mdio_access = config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Y
Yaniv Rosner 已提交
11581 11582
	} else {
		u32 size = REG_RD(bp, shmem2_base);
Y
Yaniv Rosner 已提交
11583

Y
Yaniv Rosner 已提交
11584 11585 11586 11587 11588 11589 11590 11591 11592 11593 11594 11595 11596
		if (size >
		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
			phy->ver_addr = shmem2_base +
			    offsetof(struct shmem2_region,
				     ext_phy_fw_version2[port]);
		}
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
			mdc_mdio_access = (config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
	}
Y
Yaniv Rosner 已提交
11597 11598
	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

11599 11600
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
	    (phy->ver_addr)) {
11601
		/* Remove 100Mb link supported for BCM84833 when phy fw
11602 11603 11604 11605 11606 11607 11608 11609 11610
		 * version lower than or equal to 1.39
		 */
		u32 raw_ver = REG_RD(bp, phy->ver_addr);
		if (((raw_ver & 0x7F) <= 39) &&
		    (((raw_ver & 0xF80) >> 7) <= 1))
			phy->supported &= ~(SUPPORTED_100baseT_Half |
					    SUPPORTED_100baseT_Full);
	}

11611
	/* In case mdc/mdio_access of the external phy is different than the
Y
Yaniv Rosner 已提交
11612 11613 11614 11615 11616 11617 11618 11619 11620 11621 11622 11623
	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
	 * to prevent one port interfere with another port's CL45 operations.
	 */
	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
		   phy_type, port, phy_index);
	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
		   phy->addr, phy->mdio_ctrl);
	return 0;
}

Y
Yaniv Rosner 已提交
11624 11625
static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11626
{
Y
Yaniv Rosner 已提交
11627
	int status = 0;
Y
Yaniv Rosner 已提交
11628 11629 11630
	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
	if (phy_index == INT_PHY)
		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Y
Yaniv Rosner 已提交
11631
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
11632 11633 11634 11635 11636 11637
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
11638
			      u8 phy_index)
Y
Yaniv Rosner 已提交
11639 11640 11641 11642
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
Y
Yaniv Rosner 已提交
11643 11644
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11645
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11646 11647
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11648 11649
					     offsetof(struct shmem_region,
						      dev_info.
Y
Yaniv Rosner 已提交
11650 11651 11652
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11653
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11654 11655
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11656 11657 11658
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
Y
Yaniv Rosner 已提交
11659
	}
11660 11661 11662
	DP(NETIF_MSG_LINK,
	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
	   phy_index, link_config, phy->speed_cap_mask);
Y
Yaniv Rosner 已提交
11663 11664 11665 11666 11667 11668 11669 11670 11671 11672 11673 11674 11675 11676 11677 11678 11679 11680 11681 11682 11683 11684 11685 11686 11687 11688 11689 11690 11691 11692 11693 11694 11695 11696 11697 11698 11699 11700 11701 11702 11703 11704 11705 11706 11707 11708

	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
11709 11710 11711 11712 11713 11714 11715 11716 11717 11718 11719 11720 11721 11722 11723 11724 11725 11726 11727 11728 11729 11730 11731 11732 11733 11734 11735 11736 11737 11738 11739 11740 11741
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
11742
int bnx2x_phy_probe(struct link_params *params)
Y
Yaniv Rosner 已提交
11743
{
Y
Yaniv Rosner 已提交
11744
	u8 phy_index, actual_phy_idx;
Y
Yaniv Rosner 已提交
11745
	u32 phy_config_swapped, sync_offset, media_types;
Y
Yaniv Rosner 已提交
11746 11747 11748 11749
	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
11750 11751
	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
Yaniv Rosner 已提交
11752 11753 11754 11755

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		actual_phy_idx = phy_index;
Y
Yaniv Rosner 已提交
11756 11757 11758 11759 11760 11761 11762 11763 11764
		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
11765 11766
		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Y
Yaniv Rosner 已提交
11767
				       params->shmem2_base, params->port,
Y
Yaniv Rosner 已提交
11768 11769 11770 11771 11772 11773 11774 11775 11776 11777 11778 11779 11780
				       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;

11781 11782 11783 11784
		if (params->feature_config_flags &
		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
			phy->flags &= ~FLAGS_TX_ERROR_CHECK;

Y
Yaniv Rosner 已提交
11785 11786 11787 11788 11789
		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);

11790
		/* Update media type for non-PMF sync only for the first time
Y
Yaniv Rosner 已提交
11791 11792 11793 11794 11795 11796 11797 11798 11799 11800 11801 11802 11803
		 * 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
11804
		bnx2x_phy_def_cfg(params, phy, phy_index);
Y
Yaniv Rosner 已提交
11805 11806 11807 11808 11809 11810 11811
		params->num_phys++;
	}

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

11812 11813
void bnx2x_init_bmac_loopback(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
11814 11815 11816 11817 11818 11819 11820
{
	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
11821

Y
Yaniv Rosner 已提交
11822
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
11823

Y
Yaniv Rosner 已提交
11824
		bnx2x_xgxs_deassert(params);
Y
Yaniv Rosner 已提交
11825

Y
Yaniv Rosner 已提交
11826 11827
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
11828

Y
Yaniv Rosner 已提交
11829
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11830
}
Y
Yaniv Rosner 已提交
11831

11832 11833 11834 11835
void bnx2x_init_emac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
11836 11837 11838 11839 11840
		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
11841

Y
Yaniv Rosner 已提交
11842
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
11843

Y
Yaniv Rosner 已提交
11844 11845 11846 11847
		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
Y
Yaniv Rosner 已提交
11848
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11849
}
Y
Yaniv Rosner 已提交
11850

11851 11852 11853 11854 11855 11856 11857 11858 11859 11860 11861 11862 11863
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;
11864
	/* Set WC to loopback mode since link is required to provide clock
11865 11866
	 * to the XMAC in 20G mode
	 */
Y
Yaniv Rosner 已提交
11867 11868 11869
	bnx2x_set_aer_mmd(params, &params->phy[0]);
	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
	params->phy[INT_PHY].config_loopback(
11870 11871
			&params->phy[INT_PHY],
			params);
Y
Yaniv Rosner 已提交
11872

11873 11874 11875 11876 11877 11878 11879 11880 11881 11882 11883 11884 11885 11886 11887 11888 11889 11890 11891
	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);
}

11892 11893 11894 11895
void bnx2x_init_xgxs_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
11896 11897
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
11898
		vars->duplex = DUPLEX_FULL;
11899
	if (params->req_line_speed[0] == SPEED_1000)
Y
Yaniv Rosner 已提交
11900
			vars->line_speed = SPEED_1000;
11901
	else
Y
Yaniv Rosner 已提交
11902
			vars->line_speed = SPEED_10000;
11903

11904 11905
	if (!USES_WARPCORE(bp))
		bnx2x_xgxs_deassert(params);
11906 11907 11908
	bnx2x_link_initialize(params, vars);

	if (params->req_line_speed[0] == SPEED_1000) {
11909 11910 11911 11912 11913 11914 11915 11916 11917 11918 11919 11920
		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);
	}
11921

Y
Yaniv Rosner 已提交
11922 11923 11924 11925 11926
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
11927

Y
Yaniv Rosner 已提交
11928 11929 11930 11931 11932 11933 11934 11935 11936 11937 11938
		} 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
11939
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
11940

11941 11942 11943 11944 11945 11946 11947 11948 11949 11950 11951 11952 11953 11954 11955 11956 11957 11958 11959 11960 11961 11962 11963 11964 11965 11966 11967 11968 11969
	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);

Y
Yaniv Rosner 已提交
11970 11971 11972
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;

11973 11974 11975 11976 11977 11978 11979 11980 11981 11982 11983 11984 11985 11986
	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;
11987 11988 11989 11990 11991 11992
	case LOOPBACK_XMAC:
		bnx2x_init_xmac_loopback(params, vars);
		break;
	case LOOPBACK_UMAC:
		bnx2x_init_umac_loopback(params, vars);
		break;
11993 11994 11995 11996 11997
	case LOOPBACK_XGXS:
	case LOOPBACK_EXT_PHY:
		bnx2x_init_xgxs_loopback(params, vars);
		break;
	default:
11998 11999 12000 12001 12002 12003
		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
12004 12005 12006
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
12007
		break;
Y
Yaniv Rosner 已提交
12008
	}
12009
	bnx2x_update_mng(params, vars->link_status);
Y
Yaniv Rosner 已提交
12010 12011
	return 0;
}
Y
Yaniv Rosner 已提交
12012 12013 12014

int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		     u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
12015 12016
{
	struct bnx2x *bp = params->bp;
12017
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
12018 12019 12020 12021 12022
	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
12023 12024 12025 12026
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12027

Y
Yaniv Rosner 已提交
12028 12029
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
12030

Y
Yaniv Rosner 已提交
12031
	/* disable nig egress interface */
12032 12033 12034 12035
	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
12036

Y
Yaniv Rosner 已提交
12037
	/* Stop BigMac rx */
12038 12039
	if (!CHIP_IS_E3(bp))
		bnx2x_bmac_rx_disable(bp, port);
12040
	else {
12041
		bnx2x_xmac_disable(params);
12042 12043
		bnx2x_umac_disable(params);
	}
Y
Yaniv Rosner 已提交
12044
	/* disable emac */
12045 12046
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
12047

Y
Yaniv Rosner 已提交
12048
	msleep(10);
L
Lucas De Marchi 已提交
12049
	/* The PHY reset is controlled by GPIO 1
Y
Yaniv Rosner 已提交
12050 12051 12052
	 * Hold it as vars low
	 */
	 /* clear link led */
12053
	bnx2x_set_mdio_clk(bp, params->chip_id, port);
12054 12055
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
12056 12057 12058
	if (reset_ext_phy) {
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
12059 12060 12061
			if (params->phy[phy_index].link_reset) {
				bnx2x_set_aer_mmd(params,
						  &params->phy[phy_index]);
Y
Yaniv Rosner 已提交
12062 12063 12064
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
12065
			}
12066 12067 12068
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
12069 12070 12071
		}
	}

12072 12073 12074 12075 12076 12077
	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
12078 12079 12080
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
Y
Yaniv Rosner 已提交
12081

Y
Yaniv Rosner 已提交
12082
	/* disable nig ingress interface */
12083
	if (!CHIP_IS_E3(bp)) {
12084 12085 12086
		/* reset BigMac */
		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12087 12088
		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12089 12090 12091 12092 12093 12094 12095
	} else {
		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
		bnx2x_set_xumac_nig(params, 0, 0);
		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
		    MISC_REGISTERS_RESET_REG_2_XMAC)
			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
			       XMAC_CTRL_REG_SOFT_RESET);
12096
	}
Y
Yaniv Rosner 已提交
12097
	vars->link_up = 0;
12098
	vars->phy_flags = 0;
Y
Yaniv Rosner 已提交
12099 12100 12101
	return 0;
}

Y
Yaniv Rosner 已提交
12102 12103 12104
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
12105 12106 12107 12108
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
12109
{
Y
Yaniv Rosner 已提交
12110 12111
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
12112
	u16 val;
Y
Yaniv Rosner 已提交
12113
	s8 port = 0;
D
Dmitry Kravkov 已提交
12114
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
12115 12116 12117 12118 12119
	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
12120 12121
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12122 12123
		u32 shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
12124
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12125 12126 12127
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12128 12129 12130 12131
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12132 12133
		}

Y
Yaniv Rosner 已提交
12134
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12135
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12136
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12137 12138 12139 12140
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
12141
		/* disable attentions */
12142 12143
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
12144 12145 12146 12147
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12148 12149

		/* Need to take the phy out of low power mode in order
12150 12151
		 * to write to access its registers
		 */
Y
Yaniv Rosner 已提交
12152
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12153 12154
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12155 12156

		/* Reset the phy */
Y
Yaniv Rosner 已提交
12157
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12158 12159 12160
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
12161 12162 12163 12164 12165
	}

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

Y
Yaniv Rosner 已提交
12166 12167 12168 12169 12170 12171 12172 12173
	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
12174 12175
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12176
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12177
			port_of_path = port;
12178 12179
		else
			port_of_path = 0;
Y
Yaniv Rosner 已提交
12180

D
Dmitry Kravkov 已提交
12181 12182
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12183 12184
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
12185 12186 12187
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
12188
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12189 12190
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12191 12192

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
12193
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12194 12195 12196
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
12197 12198
	}

12199
	/* Toggle Transmitter: Power down and then up with 600ms delay
12200 12201
	 * between
	 */
Y
Yaniv Rosner 已提交
12202 12203 12204 12205
	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
12206
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
12207
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
12208
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12209 12210
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12211

Y
Yaniv Rosner 已提交
12212
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12213 12214
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yaniv Rosner 已提交
12215 12216 12217
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
12218
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12219 12220
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
12221
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12222 12223
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
12224 12225 12226

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12227
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
12228 12229 12230
	}
	return 0;
}
Y
Yaniv Rosner 已提交
12231 12232 12233 12234
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
12235 12236 12237 12238 12239 12240 12241 12242 12243 12244 12245
{
	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);

12246
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
12247 12248
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
12249 12250 12251
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12252
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12253 12254
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
12255 12256 12257
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
D
Dmitry Kravkov 已提交
12258
		}
Y
Yaniv Rosner 已提交
12259
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12260
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
12261 12262 12263 12264 12265 12266 12267 12268 12269 12270 12271 12272 12273
				       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
12274 12275
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12276 12277 12278 12279
	}

	return 0;
}
12280 12281 12282 12283 12284 12285 12286 12287 12288 12289 12290 12291 12292 12293 12294 12295 12296 12297 12298 12299 12300 12301 12302 12303 12304 12305 12306 12307 12308 12309 12310 12311 12312 12313 12314 12315 12316 12317 12318 12319 12320 12321 12322 12323 12324
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
12325 12326 12327 12328 12329

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
12330
{
12331
	s8 port, reset_gpio;
E
Eilon Greenstein 已提交
12332
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
12333 12334
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
12335
	s8 port_of_path;
Y
Yaniv Rosner 已提交
12336 12337
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
Eilon Greenstein 已提交
12338

12339
	reset_gpio = MISC_REGISTERS_GPIO_1;
Y
Yaniv Rosner 已提交
12340
	port = 1;
E
Eilon Greenstein 已提交
12341

12342
	/* Retrieve the reset gpio/port which control the reset.
12343 12344 12345 12346
	 * 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
12347 12348 12349 12350

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

12351 12352 12353 12354 12355 12356 12357
	/* 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
12358
	msleep(5);
E
Eilon Greenstein 已提交
12359

E
Eilon Greenstein 已提交
12360
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
12361
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12362 12363 12364
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12365
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12366 12367 12368
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12369 12370 12371 12372
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12373 12374
		}

E
Eilon Greenstein 已提交
12375
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12376
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12377
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12378 12379 12380 12381
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
12382
		/* disable attentions */
D
Dmitry Kravkov 已提交
12383 12384 12385 12386 12387 12388
		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
12389 12390 12391


		/* Reset the phy */
Y
Yaniv Rosner 已提交
12392
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12393
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
Eilon Greenstein 已提交
12394 12395 12396 12397
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
12398 12399 12400 12401 12402 12403 12404
	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
12405
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
12406
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12407
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12408
			port_of_path = port;
12409 12410
		else
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12411 12412
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12413 12414
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
E
Eilon Greenstein 已提交
12415
			return -EINVAL;
12416 12417 12418 12419
		/* Disable PHY transmitter output */
		bnx2x_cl45_write(bp, phy_blk[port],
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_DISABLE, 1);
E
Eilon Greenstein 已提交
12420

12421
	}
E
Eilon Greenstein 已提交
12422 12423 12424
	return 0;
}

12425 12426 12427 12428 12429 12430 12431 12432 12433 12434 12435 12436 12437
static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
						u32 shmem_base_path[],
						u32 shmem2_base_path[],
						u8 phy_index,
						u32 chip_id)
{
	u8 reset_gpios;
	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
	udelay(10);
	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
		reset_gpios);
12438 12439
	return 0;
}
12440

12441 12442 12443 12444 12445 12446 12447
static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
					       struct bnx2x_phy *phy)
{
	u16 val, cnt;
	/* Wait for FW completing its initialization. */
	for (cnt = 0; cnt < 1500; cnt++) {
		bnx2x_cl45_read(bp, phy,
12448 12449
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &val);
12450 12451 12452 12453 12454 12455 12456
		if (!(val & (1<<15)))
			break;
		msleep(1);
	}
	if (cnt >= 1500) {
		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
		return -EINVAL;
12457 12458
	}

12459 12460 12461 12462 12463 12464 12465 12466 12467 12468 12469
	/* Put the port in super isolate mode. */
	bnx2x_cl45_read(bp, phy,
			MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
	val |= MDIO_84833_SUPER_ISOLATE;
	bnx2x_cl45_write(bp, phy,
			 MDIO_CTL_DEVAD,
			 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);

	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12470 12471 12472
	return 0;
}

12473 12474 12475 12476 12477 12478 12479 12480 12481 12482 12483 12484 12485 12486 12487 12488 12489 12490 12491 12492 12493 12494
int bnx2x_pre_init_phy(struct bnx2x *bp,
				  u32 shmem_base,
				  u32 shmem2_base,
				  u32 chip_id)
{
	int rc = 0;
	struct bnx2x_phy phy;
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
			       PORT_0, &phy)) {
		DP(NETIF_MSG_LINK, "populate_phy failed\n");
		return -EINVAL;
	}
	switch (phy.type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		rc = bnx2x_84833_pre_init_phy(bp, &phy);
		break;
	default:
		break;
	}
	return rc;
}
12495

Y
Yaniv Rosner 已提交
12496 12497 12498
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
12499
{
Y
Yaniv Rosner 已提交
12500
	int rc = 0;
Y
Yaniv Rosner 已提交
12501 12502 12503

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
12504 12505 12506
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12507
		break;
Y
Yaniv Rosner 已提交
12508
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
E
Eilon Greenstein 已提交
12509 12510
	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
12511 12512 12513
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
12514 12515
		break;

E
Eilon Greenstein 已提交
12516
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12517
		/* GPIO1 affects both ports, so there's need to pull
12518 12519
		 * it for single port alone
		 */
D
Dmitry Kravkov 已提交
12520 12521 12522
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12523
		break;
12524
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12525
		/* GPIO3's are linked, and so both need to be toggled
12526 12527
		 * to obtain required 2us pulse.
		 */
12528 12529 12530
		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
12531
		break;
Y
Yaniv Rosner 已提交
12532 12533
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
12534
		break;
Y
Yaniv Rosner 已提交
12535 12536
	default:
		DP(NETIF_MSG_LINK,
12537 12538
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
Yaniv Rosner 已提交
12539 12540 12541
		break;
	}

12542 12543 12544 12545
	if (rc != 0)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
Y
Yaniv Rosner 已提交
12546 12547 12548
	return rc;
}

Y
Yaniv Rosner 已提交
12549 12550
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
12551
{
Y
Yaniv Rosner 已提交
12552
	int rc = 0;
12553 12554
	u32 phy_ver, val;
	u8 phy_index = 0;
Y
Yaniv Rosner 已提交
12555
	u32 ext_phy_type, ext_phy_config;
12556 12557
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Y
Yaniv Rosner 已提交
12558
	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12559 12560 12561 12562 12563
	if (CHIP_IS_E3(bp)) {
		/* Enable EPIO */
		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
	}
12564 12565 12566 12567 12568 12569 12570 12571 12572 12573
	/* 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
12574 12575 12576 12577
	/* 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
12578
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
12579 12580
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
12581 12582 12583 12584
		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
12585 12586 12587
	}
	return rc;
}
12588

12589 12590 12591 12592 12593 12594 12595 12596 12597 12598 12599 12600 12601 12602 12603 12604 12605 12606 12607 12608 12609 12610 12611 12612 12613 12614 12615 12616 12617 12618 12619 12620 12621 12622 12623
static void bnx2x_check_over_curr(struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port = params->port;
	u32 pin_val;

	cfg_pin = (REG_RD(bp, params->shmem_base +
			  offsetof(struct shmem_region,
			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;

	/* Ignore check if no external input PIN available */
	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
		return;

	if (!pin_val) {
		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
					    " been detected and the power to "
					    "that SFP+ module has been removed"
					    " to prevent failure of the card."
					    " Please remove the SFP+ module and"
					    " restart the system to clear this"
					    " error.\n",
			 params->port);
			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
		}
	} else
		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
}

static void bnx2x_analyze_link_error(struct link_params *params,
12624 12625
				     struct link_vars *vars, u32 lss_status,
				     u8 notify)
12626 12627 12628 12629 12630 12631 12632 12633 12634 12635 12636 12637 12638
{
	struct bnx2x *bp = params->bp;
	/* Compare new value with previous value */
	u8 led_mode;
	u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;

	if ((lss_status ^ half_open_conn) == 0)
		return;

	/* If values differ */
	DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
		       half_open_conn, lss_status);

12639
	/* a. Update shmem->link_status accordingly
12640 12641 12642
	 * b. Update link_vars->link_up
	 */
	if (lss_status) {
Y
Yaniv Rosner 已提交
12643
		DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
12644 12645 12646
		vars->link_status &= ~LINK_STATUS_LINK_UP;
		vars->link_up = 0;
		vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
12647 12648 12649

		/* activate nig drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12650
		/* Set LED mode to off since the PHY doesn't know about these
12651 12652 12653 12654
		 * errors
		 */
		led_mode = LED_MODE_OFF;
	} else {
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		DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
12656 12657 12658 12659
		vars->link_status |= LINK_STATUS_LINK_UP;
		vars->link_up = 1;
		vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
		led_mode = LED_MODE_OPER;
12660 12661 12662

		/* Clear nig drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12663
	}
12664
	bnx2x_sync_link(params, vars);
12665 12666 12667 12668 12669 12670 12671 12672
	/* Update the LED according to the link state */
	bnx2x_set_led(params, vars, led_mode, SPEED_10000);

	/* Update link status in the shared memory */
	bnx2x_update_mng(params, vars->link_status);

	/* C. Trigger General Attention */
	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
12673 12674
	if (notify)
		bnx2x_notify_link_changed(bp);
12675 12676
}

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/******************************************************************************
* Description:
*	This function checks for half opened connection change indication.
*	When such change occurs, it calls the bnx2x_analyze_link_error
*	to check if Remote Fault is set or cleared. Reception of remote fault
*	status message in the MAC indicates that the peer's MAC has detected
*	a fault, for example, due to break in the TX side of fiber.
*
******************************************************************************/
12686 12687 12688
int bnx2x_check_half_open_conn(struct link_params *params,
				struct link_vars *vars,
				u8 notify)
12689 12690 12691 12692 12693
{
	struct bnx2x *bp = params->bp;
	u32 lss_status = 0;
	u32 mac_base;
	/* In case link status is physically up @ 10G do */
12694 12695 12696
	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
		return 0;
12697

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	if (CHIP_IS_E3(bp) &&
12699
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
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	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
		/* Check E3 XMAC */
12702
		/* Note that link speed cannot be queried here, since it may be
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		 * zero while link is down. In case UMAC is active, LSS will
		 * simply not be set
		 */
		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;

		/* Clear stick bits (Requires rising edge) */
		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
			lss_status = 1;

12716
		bnx2x_analyze_link_error(params, vars, lss_status, notify);
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	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
12719 12720 12721 12722 12723 12724 12725 12726 12727 12728 12729 12730 12731 12732
		/* Check E1X / E2 BMAC */
		u32 lss_status_reg;
		u32 wb_data[2];
		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
			NIG_REG_INGRESS_BMAC0_MEM;
		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
		if (CHIP_IS_E2(bp))
			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
		else
			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;

		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
		lss_status = (wb_data[0] > 0);

12733
		bnx2x_analyze_link_error(params, vars, lss_status, notify);
12734
	}
12735
	return 0;
12736 12737 12738 12739
}

void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
{
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	u16 phy_idx;
12741
	struct bnx2x *bp = params->bp;
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	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
12745 12746 12747
			if (bnx2x_check_half_open_conn(params, vars, 1) !=
			    0)
				DP(NETIF_MSG_LINK, "Fault detection failed\n");
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			break;
		}
	}

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	if (CHIP_IS_E3(bp)) {
		struct bnx2x_phy *phy = &params->phy[INT_PHY];
		bnx2x_set_aer_mmd(params, phy);
12755
		bnx2x_check_over_curr(params, vars);
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		bnx2x_warpcore_config_runtime(phy, params, vars);
	}

12759 12760
}

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u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
12762 12763 12764 12765 12766
{
	u8 phy_index;
	struct bnx2x_phy phy;
	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
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		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12768 12769 12770 12771 12772 12773 12774 12775 12776 12777 12778 12779 12780
				       0, &phy) != 0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return 0;
		}

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

u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
			     u32 shmem_base,
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			     u32 shmem2_base,
12782 12783 12784 12785 12786 12787
			     u8 port)
{
	u8 phy_index, fan_failure_det_req = 0;
	struct bnx2x_phy phy;
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
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		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12789 12790 12791 12792 12793 12794 12795 12796 12797 12798 12799 12800 12801 12802
				       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;
12803 12804 12805 12806 12807 12808 12809 12810 12811
	struct bnx2x *bp = params->bp;
	bnx2x_update_mng(params, 0);
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12812 12813 12814 12815 12816 12817 12818 12819 12820
	      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;
		}
	}
}
12821 12822 12823 12824 12825 12826 12827 12828

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;
12829 12830 12831 12832 12833 12834 12835 12836
	if (CHIP_IS_E3(bp)) {
		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
					      shmem_base,
					      port,
					      &gpio_num,
					      &gpio_port) != 0)
			return;
	} else {
12837 12838 12839 12840 12841 12842 12843 12844 12845 12846 12847 12848 12849 12850 12851 12852 12853 12854 12855 12856 12857 12858 12859 12860 12861 12862 12863 12864 12865 12866 12867 12868 12869 12870 12871 12872 12873 12874 12875 12876 12877 12878 12879 12880 12881 12882 12883 12884 12885 12886 12887 12888 12889
		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);
}