bnx2x_link.c 373.1 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");
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407
	/*
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	 * mapping between entry  priority to client number (0,1,2 -debug and
	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
	 */

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

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

	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
	/* ETS mode disable */
	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
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	/*
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	 * If ETS mode is enabled (there is no strict priority) defines a WFQ
	 * weight for COS0/COS1.
	 */
	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}
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/******************************************************************************
* 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;
	/**
	 *  If the link isn't up (static configuration for example ) The
	 *  link will be according to 20GBPS.
	*/
	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);
	/**
	 * mapping between entry  priority to client number (0,1,2 -debug and
	 * 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);
	}
	/**
	* For strict priority entries defines the number of consecutive
	* slots for the highest priority.
	*/
	/* TODO_ETS - Should be done by reset value or init tool */
	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
	/**
	 * mapping between the CREDIT_WEIGHT registers and actual client
	 * numbers
	 */
	/* TODO_ETS - Should be done by reset value or init tool */
	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);
	}

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

	/**
	* 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
	*/
	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;
	/**
	* 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.
	*/
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	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;

	/**
	 * mapping between entry  priority to client number 0 - COS0
	 * 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);
	/**
	* 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.
	*/
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	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)) {
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		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.
*.
******************************************************************************/
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.
*.
******************************************************************************/
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 ;
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	/* Calculate total BW requested */
	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
885
		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");
				/*
				 * This is to prevent a state when ramrods
				 * can't be sent
				*/
				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 */
903 904
	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
		if (*total_bw == 0) {
905
			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;
		}
909
		DP(NETIF_MSG_LINK,
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		   "bnx2x_ets_E3B0_config total BW should be 100\n");
		/*
		 * We can handle a case whre the BW isn't 100 this can happen
		 * if the TC are joined.
		 */
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	}
	return 0;
}

/******************************************************************************
* Description:
*	Invalidate all the sp_pri_to_cos.
*.
******************************************************************************/
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.
*.
******************************************************************************/
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;

945
	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 "
947
				   "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) {
953
		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.
*.
******************************************************************************/
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.
*.
******************************************************************************/
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.
*.
******************************************************************************/
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)
*.
******************************************************************************/
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++) {
1036 1037
		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.*/
1051
			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)) {
1129 1130
		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);
1146
	if (bnx2x_status) {
1147 1148
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
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		return -EINVAL;
	}

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	/*
	 * Upper bound is set according to current link speed (min_w_val
	 * 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);
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			/*
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			 * The function also sets the BW in HW(not the mappin
			 * 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 {
1183 1184
			DP(NETIF_MSG_LINK,
			   "bnx2x_ets_e3b0_config cos state not valid\n");
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			return -EINVAL;
		}
1187
		if (bnx2x_status) {
1188 1189
			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);

1198
	if (bnx2x_status) {
1199 1200
		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);

1209
	if (bnx2x_status) {
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		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
		return bnx2x_status;
	}
	return 0;
}
1215
static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1216 1217 1218 1219
{
	/* ETS disabled configuration */
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1220 1221 1222 1223 1224
	/*
	 * defines which entries (clients) are subjected to WFQ arbitration
	 * COS0 0x8
	 * COS1 0x10
	 */
1225
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1226 1227 1228 1229 1230 1231 1232
	/*
	 * mapping between the ARB_CREDIT_WEIGHT registers and actual
	 * client numbers (WEIGHT_0 does not actually have to represent
	 * client 0)
	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
	 */
1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
	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);
1245 1246 1247 1248 1249 1250 1251 1252
	/*
	 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
	 * entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2     bit1	   bit0
	 * MCP and debug are strict
	 */
1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272
	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");

1273 1274 1275
	if ((!total_bw) ||
	    (!cos0_bw) ||
	    (!cos1_bw)) {
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		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293
		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)
1295 1296 1297 1298 1299 1300
{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;
	u32 val	= 0;

	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1301
	/*
1302 1303 1304 1305 1306 1307 1308 1309
	 * Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries,
	 * 3 - COS0 entry, 4 - COS1 entry.
	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 *  bit4   bit3	  bit2      bit1     bit0
	 * MCP and debug are strict
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1310
	/*
1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322
	 * For strict priority entries defines the number of consecutive slots
	 * for the highest priority.
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
	/* ETS mode disable */
	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);

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

1323 1324 1325 1326 1327 1328 1329 1330
	/*
	 * mapping between entry  priority to client number (0,1,2 -debug and
	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
	 */
1331
	val = (!strict_cos) ? 0x2318 : 0x22E0;
1332 1333 1334 1335 1336
	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);

	return 0;
}
/******************************************************************/
1337
/*			PFC section				  */
1338
/******************************************************************/
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static void bnx2x_update_pfc_xmac(struct link_params *params,
				  struct link_vars *vars,
				  u8 is_lb)
{
	struct bnx2x *bp = params->bp;
	u32 xmac_base;
	u32 pause_val, pfc0_val, pfc1_val;

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

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

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

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

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

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	}

	/* 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);
}
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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*/
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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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	DP(NETIF_MSG_LINK, "pfc statistic\n");

	if (!vars->link_up)
		return;

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	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				  */
/******************************************************************/
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static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
{
	u32 mode, emac_base;
	/**
	 * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */

	if (CHIP_IS_E2(bp))
		emac_base = GRCBASE_EMAC0;
	else
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
	mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
		  EMAC_MDIO_MODE_CLOCK_CNT);
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	if (USES_WARPCORE(bp))
		mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
	else
		mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
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	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);
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
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	do {
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		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
		if (!timeout) {
			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
			return;
		}
		timeout--;
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	} while (val & EMAC_MODE_RESET);
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	bnx2x_set_mdio_clk(bp, params->chip_id, port);
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	/* Set mac address */
	val = ((params->mac_addr[0] << 8) |
		params->mac_addr[1]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
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	val = ((params->mac_addr[2] << 24) |
	       (params->mac_addr[3] << 16) |
	       (params->mac_addr[4] << 8) |
		params->mac_addr[5]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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}

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

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

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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);
}

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

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

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

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

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

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

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

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	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])));

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

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

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

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

}

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

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	/*
	 * In 4-port mode, need to set the mode only once, so if XMAC is
	 * already out of reset, it means the mode has already been set,
	 * and it must not* reset the XMAC again, since it controls both
	 * ports of the path
	 */
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	if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
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	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
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		DP(NETIF_MSG_LINK,
		   "XMAC already out of reset in 4-port mode\n");
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		return;
	}

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

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

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

		/* Set the number of ports on the Warp Core to 10G */
		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
	} else {
		/*  Set the number of ports on the system side to 1 */
		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
		if (max_speed == SPEED_10000) {
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			DP(NETIF_MSG_LINK,
			   "Init XMAC to 10G x 1 port per path\n");
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			/* Set the number of ports on the Warp Core to 10G */
			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
		} else {
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			DP(NETIF_MSG_LINK,
			   "Init XMAC to 20G x 2 ports per path\n");
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			/* 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;
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	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
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	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
	    MISC_REGISTERS_RESET_REG_2_XMAC) {
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		/*
		 * Send an indication to change the state in the NIG back to XON
		 * 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)));
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		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;

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	bnx2x_xmac_init(params, vars->line_speed);
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	/*
	 * This register determines on which events the MAC will assert
	 * error on the i/f to the NIG along w/ EOP.
	 */

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

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

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

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

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

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

	vars->mac_type = MAC_TYPE_XMAC;

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

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

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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);
Y
Yaniv Rosner 已提交
1819
		/* select XGXS */
Y
Yaniv Rosner 已提交
1820
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Y
Yaniv Rosner 已提交
1821 1822 1823 1824

	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "SerDes\n");
		/* select SerDes */
Y
Yaniv Rosner 已提交
1825
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Y
Yaniv Rosner 已提交
1826 1827
	}

E
Eilon Greenstein 已提交
1828
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Y
Yaniv Rosner 已提交
1829
		      EMAC_RX_MODE_RESET);
E
Eilon Greenstein 已提交
1830
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Y
Yaniv Rosner 已提交
1831
		      EMAC_TX_MODE_RESET);
Y
Yaniv Rosner 已提交
1832 1833 1834 1835

	if (CHIP_REV_IS_SLOW(bp)) {
		/* config GMII mode */
		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Y
Yaniv Rosner 已提交
1836
		EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
Y
Yaniv Rosner 已提交
1837 1838 1839 1840 1841 1842
	} 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,
1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
			       (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
1860 1861 1862 1863 1864
	}

	/* 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;
1865

1866 1867 1868 1869 1870 1871 1872 1873
	/*
	 * Setting this bit causes MAC control frames (except for pause
	 * frames) to be passed on for processing. This setting has no
	 * affect on the operation of the pause frames. This bit effects
	 * all packets regardless of RX Parser packet sorting logic.
	 * Turn the PFC off to make sure we are in Xon state before
	 * enabling it.
	 */
1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889
	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;
	}
1890
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Y
Yaniv Rosner 已提交
1891 1892 1893 1894 1895 1896 1897

	/* Set Loopback */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
1898
	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Y
Yaniv Rosner 已提交
1899

E
Eilon Greenstein 已提交
1900 1901 1902
	/* enable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);

Y
Yaniv Rosner 已提交
1903
	/* enable emac for jumbo packets */
1904
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Y
Yaniv Rosner 已提交
1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918
		(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;
1919 1920 1921
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
1922 1923 1924 1925 1926
		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);

1927
	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Y
Yaniv Rosner 已提交
1928 1929 1930 1931 1932

	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}

1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964
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
1965 1966 1967 1968 1969 1970 1971 1972 1973 1974
{
	/*
	 * Set rx control: Strip CRC and enable BigMAC to relay
	 * control packets to the system as well
	 */
	u32 wb_data[2];
	struct bnx2x *bp = params->bp;
	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 val = 0x14;
Y
Yaniv Rosner 已提交
1975

1976 1977 1978
	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
D
Dmitry Kravkov 已提交
1979 1980 1981 1982
		/* 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
1983
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
1984
	udelay(30);
Y
Yaniv Rosner 已提交
1985

D
Dmitry Kravkov 已提交
1986 1987
	/* Tx control */
	val = 0xc0;
1988 1989 1990
	if (!(params->feature_config_flags &
				FEATURE_CONFIG_PFC_ENABLED) &&
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
D
Dmitry Kravkov 已提交
1991 1992 1993
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
	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
2018

2019 2020 2021 2022 2023 2024
	/*
	 * Set Time (based unit is 512 bit time) between automatic
	 * re-sending of PP packets amd enable automatic re-send of
	 * Per-Priroity Packet as long as pp_gen is asserted and
	 * pp_disable is low.
	 */
D
Dmitry Kravkov 已提交
2025
	val = 0x8000;
2026 2027 2028
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= (1<<16); /* enable automatic re-send */

D
Dmitry Kravkov 已提交
2029 2030 2031
	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
2032
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2033 2034 2035 2036 2037 2038 2039

	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
2040 2041 2042
	/* 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
2043 2044 2045

	wb_data[0] = val;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2046
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
2047 2048
}

2049 2050 2051 2052 2053 2054 2055 2056 2057
/* 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
2058 2059
	u32 per_class_guaranty_mode;
	u32 lb_guarantied_hyst;
2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071
	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
2072 2073 2074
	struct bnx2x_pfc_brb_threshold_val default_class0;
	struct bnx2x_pfc_brb_threshold_val default_class1;

2075 2076 2077 2078 2079 2080 2081
};
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
2082 2083 2084 2085 2086 2087

	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;

2088
	if (CHIP_IS_E2(bp)) {
Y
Yaniv Rosner 已提交
2089 2090 2091 2092
		/*  class0 defaults */
		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
2093
			DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
Y
Yaniv Rosner 已提交
2094
		config_val->default_class0.full_xoff =
Y
Yaniv Rosner 已提交
2095
			DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
Y
Yaniv Rosner 已提交
2096
		config_val->default_class0.full_xon =
Y
Yaniv Rosner 已提交
2097
			DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
Y
Yaniv Rosner 已提交
2098
		/*  pause able*/
2099
		config_val->pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2100
			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2101
		config_val->pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2102
			PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2103
		config_val->pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2104
			PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2105
		config_val->pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2106
			PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2107 2108
		/* non pause able*/
		config_val->non_pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2109
			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2110
		config_val->non_pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2111
			PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2112
		config_val->non_pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2113
			PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2114
		config_val->non_pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2115
			PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2116
	} else if (CHIP_IS_E3A0(bp)) {
Y
Yaniv Rosner 已提交
2117 2118 2119 2120
		/*  class0 defaults */
		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
2121
			DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
Y
Yaniv Rosner 已提交
2122
		config_val->default_class0.full_xoff =
Y
Yaniv Rosner 已提交
2123
			DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
Y
Yaniv Rosner 已提交
2124
		config_val->default_class0.full_xon =
Y
Yaniv Rosner 已提交
2125
			DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
Y
Yaniv Rosner 已提交
2126
		/*  pause able */
2127
		config_val->pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2128
			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2129
		config_val->pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2130
			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2131
		config_val->pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2132
			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2133
		config_val->pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2134
			PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2135 2136
		/* non pause able*/
		config_val->non_pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2137
			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2138
		config_val->non_pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2139
			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2140
		config_val->non_pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2141
			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2142
		config_val->non_pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2143
			PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2144
	} else if (CHIP_IS_E3B0(bp)) {
Y
Yaniv Rosner 已提交
2145 2146 2147 2148 2149 2150 2151 2152 2153 2154
		/*  class0 defaults */
		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;

2155
		if (params->phy[INT_PHY].flags &
Y
Yaniv Rosner 已提交
2156
		    FLAGS_4_PORT_MODE) {
2157
			config_val->pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2158
				PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2159
			config_val->pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2160
				PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2161
			config_val->pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2162
				PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2163
			config_val->pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2164
				PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2165 2166
			/* non pause able*/
			config_val->non_pauseable_th.pause_xoff =
Y
Yaniv Rosner 已提交
2167
			PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2168
			config_val->non_pauseable_th.pause_xon =
Y
Yaniv Rosner 已提交
2169
			PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2170
			config_val->non_pauseable_th.full_xoff =
Y
Yaniv Rosner 已提交
2171
			PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2172
			config_val->non_pauseable_th.full_xon =
Y
Yaniv Rosner 已提交
2173 2174 2175 2176 2177
			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
2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192
				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;
		}
2193 2194 2195 2196 2197 2198
	} else
	    return -EINVAL;

	return 0;
}

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2199 2200 2201 2202 2203 2204
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)
2205
{
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2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
	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;
2262
		e3b0_val->full_lb_xoff_th =
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2263
			DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
2264
		e3b0_val->full_lb_xon_threshold =
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			DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
2266
		e3b0_val->lb_guarantied =
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2267
			DEFAULT_E3B0_LB_GUART;
2268
		e3b0_val->mac_0_class_t_guarantied =
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2269
			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
2270
		e3b0_val->mac_0_class_t_guarantied_hyst =
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			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
2272
		e3b0_val->mac_1_class_t_guarantied =
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			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
2274
		e3b0_val->mac_1_class_t_guarantied_hyst =
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			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
2276 2277 2278 2279 2280 2281
	}
}
static int bnx2x_update_pfc_brb(struct link_params *params,
				struct link_vars *vars,
				struct bnx2x_nig_brb_pfc_port_params
				*pfc_params)
2282 2283
{
	struct bnx2x *bp = params->bp;
2284 2285
	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;
2287
	struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
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2288
	const int set_pfc = params->feature_config_flags &
2289
		FEATURE_CONFIG_PFC_ENABLED;
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2290
	const u8 pfc_enabled = (set_pfc && pfc_params);
2291 2292
	int bnx2x_status = 0;
	u8 port = params->port;
2293 2294

	/* default - pause configuration */
2295 2296
	reg_th_config = &config_val.pauseable_th;
	bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2297
	if (bnx2x_status)
2298
		return bnx2x_status;
2299

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2300
	if (pfc_enabled) {
2301
		/* First COS */
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2302 2303 2304
		if (pfc_params->cos0_pauseable)
			reg_th_config = &config_val.pauseable_th;
		else
2305
			reg_th_config = &config_val.non_pauseable_th;
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2306 2307
	} else
		reg_th_config = &config_val.default_class0;
2308 2309 2310 2311
	/*
	 * The number of free blocks below which the pause signal to class 0
	 * of MAC #n is asserted. n=0,1
	 */
2312 2313 2314
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
	       BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
	       reg_th_config->pause_xoff);
2315 2316 2317 2318
	/*
	 * The number of free blocks above which the pause signal to class 0
	 * of MAC #n is de-asserted. n=0,1
	 */
2319 2320
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
	       BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
2321 2322 2323 2324
	/*
	 * The number of free blocks below which the full signal to class 0
	 * of MAC #n is asserted. n=0,1
	 */
2325 2326
	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
	       BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
2327 2328 2329 2330
	/*
	 * The number of free blocks above which the full signal to class 0
	 * of MAC #n is de-asserted. n=0,1
	 */
2331 2332
	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
	       BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
2333

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2334
	if (pfc_enabled) {
2335
		/* Second COS */
2336 2337 2338 2339
		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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2340 2341
	} else
		reg_th_config = &config_val.default_class1;
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2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370
	/*
	 * The number of free blocks below which the pause signal to
	 * 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);

	/*
	 * The number of free blocks above which the pause signal to
	 * class 1 of MAC #n is de-asserted. n=0,1
	 */
	REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
	       BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
	       reg_th_config->pause_xon);
	/*
	 * The number of free blocks below which the full signal to
	 * 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);
	/*
	 * The number of free blocks above which the full signal to
	 * class 1 of MAC #n is de-asserted. n=0,1
	 */
	REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
	       BRB1_REG_FULL_1_XON_THRESHOLD_0,
	       reg_th_config->full_xon);
2371

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2372 2373 2374 2375 2376 2377
	if (CHIP_IS_E3B0(bp)) {
		bnx2x_pfc_brb_get_e3b0_config_params(
			params,
			&e3b0_val,
			pfc_params,
			pfc_enabled);
2378

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2379 2380
		REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
			   e3b0_val.per_class_guaranty_mode);
2381

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2382 2383 2384 2385
		/*
		 * The hysteresis on the guarantied buffer space for the Lb
		 * port before signaling XON.
		 */
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2386 2387
		REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
			   e3b0_val.lb_guarantied_hyst);
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2388 2389 2390 2391 2392

		/*
		 * The number of free blocks below which the full signal to the
		 * LB port is asserted.
		 */
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		REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
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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 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447
		       e3b0_val.full_lb_xoff_th);
		/*
		 * The number of free blocks above which the full signal to the
		 * LB port is de-asserted.
		 */
		REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
		       e3b0_val.full_lb_xon_threshold);
		/*
		 * The number of blocks guarantied for the MAC #n port. n=0,1
		 */

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

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

		/*
		 * The number of blocks guarantied for class #t in MAC1.t=0,1
		 */
		REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
		       e3b0_val.mac_1_class_t_guarantied);
		REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
		       e3b0_val.mac_1_class_t_guarantied);
		/*
		 * The hysteresis on the guarantied buffer space for class #t
		 * in MAC1.  t=0,1
		 */
		REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
		       e3b0_val.mac_1_class_t_guarantied_hyst);
		REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
		       e3b0_val.mac_1_class_t_guarantied_hyst);
	}
2448 2449

	return bnx2x_status;
2450 2451
}

2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499
/******************************************************************************
* 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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Yaniv Rosner 已提交
2500 2501 2502 2503 2504 2505 2506 2507 2508
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);
}

2509 2510 2511 2512 2513
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;
2514
	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2515 2516
	u32 pkt_priority_to_cos = 0;
	struct bnx2x *bp = params->bp;
2517 2518
	u8 port = params->port;

2519 2520 2521 2522
	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;
	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");

2523
	/*
2524 2525 2526 2527
	 * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
	 * MAC control frames (that are not pause packets)
	 * will be forwarded to the XCM.
	 */
2528 2529
	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
			  NIG_REG_LLH0_XCM_MASK);
2530
	/*
2531 2532 2533 2534 2535 2536 2537
	 * nig params will override non PFC params, since it's possible to
	 * do transition from PFC to SAFC
	 */
	if (set_pfc) {
		pause_enable = 0;
		llfc_out_en = 0;
		llfc_enable = 0;
2538 2539 2540
		if (CHIP_IS_E3(bp))
			ppp_enable = 0;
		else
2541 2542 2543
		ppp_enable = 1;
		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2544 2545
		xcm_out_en = 0;
		hwpfc_enable = 1;
2546 2547 2548 2549 2550 2551 2552 2553 2554 2555
	} else  {
		if (nig_params) {
			llfc_out_en = nig_params->llfc_out_en;
			llfc_enable = nig_params->llfc_enable;
			pause_enable = nig_params->pause_enable;
		} else  /*defaul non PFC mode - PAUSE */
			pause_enable = 1;

		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2556
		xcm_out_en = 1;
2557 2558
	}

2559 2560 2561
	if (CHIP_IS_E3(bp))
		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574
	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);

2575 2576
	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2577 2578

	/* output enable for RX_XCM # IF */
2579 2580
	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2581 2582

	/* HW PFC TX enable */
2583 2584
	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2585 2586

	if (nig_params) {
2587
		u8 i = 0;
2588 2589
		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;

2590 2591 2592
		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);
2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606

		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);
}

2607
int bnx2x_update_pfc(struct link_params *params,
2608 2609 2610
		      struct link_vars *vars,
		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
2611
	/*
2612 2613 2614 2615 2616 2617
	 * The PFC and pause are orthogonal to one another, meaning when
	 * PFC is enabled, the pause are disabled, and when PFC is
	 * disabled, pause are set according to the pause result.
	 */
	u32 val;
	struct bnx2x *bp = params->bp;
2618 2619
	int bnx2x_status = 0;
	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Y
Yaniv Rosner 已提交
2620 2621 2622 2623 2624 2625 2626 2627

	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);

2628 2629 2630 2631
	/* update NIG params */
	bnx2x_update_pfc_nig(params, vars, pfc_params);

	/* update BRB params */
2632
	bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2633
	if (bnx2x_status)
2634
		return bnx2x_status;
2635 2636

	if (!vars->link_up)
2637
		return bnx2x_status;
2638 2639

	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2640 2641 2642 2643 2644
	if (CHIP_IS_E3(bp))
		bnx2x_update_pfc_xmac(params, vars, 0);
	else {
		val = REG_RD(bp, MISC_REG_RESET_REG_2);
		if ((val &
2645
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663
		    == 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;
2664
}
D
Dmitry Kravkov 已提交
2665

2666

Y
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2667 2668 2669
static int bnx2x_bmac1_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
Y
Yaniv Rosner 已提交
2670 2671 2672 2673 2674 2675 2676 2677
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
	u32 val;

D
Dmitry Kravkov 已提交
2678
	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Y
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2679 2680 2681 2682

	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
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2683 2684
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
Y
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2685 2686 2687 2688 2689 2690 2691 2692

	/* 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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2693
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Y
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2694 2695 2696 2697 2698 2699 2700 2701 2702

	/* 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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2703
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Y
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2704 2705 2706 2707

	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2708
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2709

2710
	bnx2x_update_pfc_bmac1(params, vars);
Y
Yaniv Rosner 已提交
2711 2712 2713 2714

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2715
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Y
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2716 2717 2718 2719

	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2720
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2721 2722 2723 2724 2725 2726

	/* configure safc */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2727 2728 2729 2730

	return 0;
}

Y
Yaniv Rosner 已提交
2731 2732 2733
static int bnx2x_bmac2_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
D
Dmitry Kravkov 已提交
2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];

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

	wb_data[0] = 0;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2745
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
2746 2747 2748 2749 2750
	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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2751 2752
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763

	udelay(30);

	/* tx MAC SA */
	wb_data[0] = ((params->mac_addr[2] << 24) |
		       (params->mac_addr[3] << 16) |
		       (params->mac_addr[4] << 8) |
			params->mac_addr[5]);
	wb_data[1] = ((params->mac_addr[0] << 8) |
			params->mac_addr[1]);
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
Y
Yaniv Rosner 已提交
2764
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2765 2766 2767 2768 2769 2770 2771

	udelay(30);

	/* Configure SAFC */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Y
Yaniv Rosner 已提交
2772
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2773 2774 2775 2776 2777
	udelay(30);

	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2778
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2779 2780 2781 2782 2783
	udelay(30);

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2784
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2785 2786 2787 2788
	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
2789
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2790
	udelay(30);
2791
	bnx2x_update_pfc_bmac2(params, vars, is_lb);
D
Dmitry Kravkov 已提交
2792 2793 2794 2795

	return 0;
}

Y
Yaniv Rosner 已提交
2796 2797 2798
static int bnx2x_bmac_enable(struct link_params *params,
			     struct link_vars *vars,
			     u8 is_lb)
D
Dmitry Kravkov 已提交
2799
{
Y
Yaniv Rosner 已提交
2800 2801
	int rc = 0;
	u8 port = params->port;
D
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2802 2803 2804 2805
	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
2806
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2807
	msleep(1);
D
Dmitry Kravkov 已提交
2808 2809

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Y
Yaniv Rosner 已提交
2810
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
D
Dmitry Kravkov 已提交
2811 2812 2813 2814 2815 2816 2817 2818 2819

	/* 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
2820 2821 2822 2823
	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;
2824 2825 2826
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
2827 2828 2829 2830 2831 2832 2833 2834 2835
		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
2836
	return rc;
Y
Yaniv Rosner 已提交
2837 2838 2839 2840 2841
}

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
2842
			NIG_REG_INGRESS_BMAC0_MEM;
Y
Yaniv Rosner 已提交
2843
	u32 wb_data[2];
2844
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Y
Yaniv Rosner 已提交
2845 2846 2847 2848 2849 2850

	/* 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
2851 2852 2853
		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
2854 2855
				    BIGMAC2_REGISTER_BMAC_CONTROL,
				    wb_data, 2);
D
Dmitry Kravkov 已提交
2856 2857
			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
			REG_WR_DMAE(bp, bmac_addr +
Y
Yaniv Rosner 已提交
2858 2859
				    BIGMAC2_REGISTER_BMAC_CONTROL,
				    wb_data, 2);
D
Dmitry Kravkov 已提交
2860 2861 2862 2863 2864 2865 2866 2867 2868 2869
		} 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
2870 2871 2872 2873
		msleep(1);
	}
}

Y
Yaniv Rosner 已提交
2874 2875
static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
			    u32 line_speed)
Y
Yaniv Rosner 已提交
2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902
{
	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;
	}

2903
	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Y
Yaniv Rosner 已提交
2904 2905 2906 2907 2908
	    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
2909 2910 2911
		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
		/* update init credit */
Y
Yaniv Rosner 已提交
2912
		init_crd = 778;		/* (800-18-4) */
Y
Yaniv Rosner 已提交
2913 2914 2915 2916

	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
Y
Yaniv Rosner 已提交
2917
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Y
Yaniv Rosner 已提交
2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944
		/* 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;
}

2945 2946
/**
 * bnx2x_get_emac_base - retrive emac base address
2947
 *
2948 2949 2950
 * @bp:			driver handle
 * @mdc_mdio_access:	access type
 * @port:		port id
2951 2952 2953 2954 2955 2956 2957 2958 2959
 *
 * 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
 */
2960 2961
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
Y
Yaniv Rosner 已提交
2962
{
2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973
	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
2974 2975 2976 2977
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2978
		break;
2979 2980 2981 2982
	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
2983
		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2984 2985 2986 2987 2988 2989 2990 2991
		break;
	default:
		break;
	}
	return emac_base;

}

Y
Yaniv Rosner 已提交
2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068
/******************************************************************/
/*			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;
}

3069 3070 3071
/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
3072 3073
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
3074
{
3075 3076
	u32 val;
	u16 i;
Y
Yaniv Rosner 已提交
3077
	int rc = 0;
3078 3079 3080
	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
3081
	/* address */
3082
	val = ((phy->addr << 21) | (devad << 16) | reg |
Y
Yaniv Rosner 已提交
3083 3084
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
3085
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
3086 3087 3088 3089

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

3090 3091
		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
3092 3093 3094 3095
			udelay(5);
			break;
		}
	}
3096 3097
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");
3098
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3099
		*ret_val = 0;
Y
Yaniv Rosner 已提交
3100 3101 3102
		rc = -EFAULT;
	} else {
		/* data */
3103 3104
		val = ((phy->addr << 21) | (devad << 16) |
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
Y
Yaniv Rosner 已提交
3105
		       EMAC_MDIO_COMM_START_BUSY);
3106
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
3107 3108 3109 3110

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

3111
			val = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
3112
				     EMAC_REG_EMAC_MDIO_COMM);
3113 3114
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
Y
Yaniv Rosner 已提交
3115 3116 3117
				break;
			}
		}
3118 3119
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "read phy register failed\n");
3120
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3121
			*ret_val = 0;
Y
Yaniv Rosner 已提交
3122 3123 3124
			rc = -EFAULT;
		}
	}
3125 3126 3127 3128 3129 3130 3131 3132
	/* 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
3133

3134 3135 3136
	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
3137 3138 3139
	return rc;
}

3140 3141
static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
3142
{
3143 3144
	u32 tmp;
	u8 i;
Y
Yaniv Rosner 已提交
3145
	int rc = 0;
3146 3147 3148
	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
3149 3150

	/* address */
3151 3152

	tmp = ((phy->addr << 21) | (devad << 16) | reg |
Y
Yaniv Rosner 已提交
3153 3154
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
3155
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
3156 3157 3158 3159

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

3160 3161
		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
3162 3163 3164 3165
			udelay(5);
			break;
		}
	}
3166 3167
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
3168
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
3169 3170 3171
		rc = -EFAULT;
	} else {
		/* data */
3172 3173
		tmp = ((phy->addr << 21) | (devad << 16) | val |
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
Y
Yaniv Rosner 已提交
3174
		       EMAC_MDIO_COMM_START_BUSY);
3175
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
3176 3177 3178 3179

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

3180
			tmp = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
3181
				     EMAC_REG_EMAC_MDIO_COMM);
3182 3183
			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
				udelay(5);
Y
Yaniv Rosner 已提交
3184 3185 3186
				break;
			}
		}
3187 3188
		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "write phy register failed\n");
3189
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
3190 3191 3192
			rc = -EFAULT;
		}
	}
3193 3194 3195 3196 3197 3198 3199 3200
	/* 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);
		}
	}
3201 3202 3203
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
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 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324
	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
3325 3326 3327
	return rc;
}

3328 3329 3330 3331 3332 3333 3334 3335
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
3336 3337
int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 *ret_val)
Y
Yaniv Rosner 已提交
3338 3339
{
	u8 phy_index;
3340
	/*
Y
Yaniv Rosner 已提交
3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353
	 * Probe for the phy according to the given phy_addr, and execute
	 * the read request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_read(params->bp,
					       &params->phy[phy_index], devad,
					       reg, ret_val);
		}
	}
	return -EINVAL;
}

Y
Yaniv Rosner 已提交
3354 3355
int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
3356 3357
{
	u8 phy_index;
3358
	/*
Y
Yaniv Rosner 已提交
3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370
	 * Probe for the phy according to the given phy_addr, and execute
	 * the write request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_write(params->bp,
						&params->phy[phy_index], devad,
						reg, val);
		}
	}
	return -EINVAL;
}
3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423
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;

		/*figure out path swap value */
		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;

		/*figure out port swap value */
		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 */

		/*figure out path swap value */
		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
3424

Y
Yaniv Rosner 已提交
3425 3426
static void bnx2x_set_aer_mmd(struct link_params *params,
			      struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3427 3428
{
	u32 ser_lane;
D
Dmitry Kravkov 已提交
3429 3430
	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3431 3432 3433 3434
	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
3435 3436 3437
	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;

3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449
	if (USES_WARPCORE(bp)) {
		aer_val = bnx2x_get_warpcore_lane(phy, params);
		/*
		 * In Dual-lane mode, two lanes are joined together,
		 * 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))
3450
		aer_val = 0x3800 + offset - 1;
D
Dmitry Kravkov 已提交
3451 3452
	else
		aer_val = 0x3800 + offset;
Y
Yaniv Rosner 已提交
3453

Y
Yaniv Rosner 已提交
3454
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Y
Yaniv Rosner 已提交
3455
			  MDIO_AER_BLOCK_AER_REG, aer_val);
Y
Yaniv Rosner 已提交
3456

Y
Yaniv Rosner 已提交
3457 3458
}

Y
Yaniv Rosner 已提交
3459 3460 3461
/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
3462

Y
Yaniv Rosner 已提交
3463 3464 3465
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
3466

Y
Yaniv Rosner 已提交
3467 3468 3469 3470 3471 3472 3473 3474
	/* 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
3475 3476
}

Y
Yaniv Rosner 已提交
3477
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
Y
Yaniv Rosner 已提交
3478
{
Y
Yaniv Rosner 已提交
3479
	u32 val;
Y
Yaniv Rosner 已提交
3480

Y
Yaniv Rosner 已提交
3481
	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
Y
Yaniv Rosner 已提交
3482

Y
Yaniv Rosner 已提交
3483
	val = SERDES_RESET_BITS << (port*16);
E
Eilon Greenstein 已提交
3484

Y
Yaniv Rosner 已提交
3485 3486 3487 3488
	/* 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
3489

Y
Yaniv Rosner 已提交
3490
	bnx2x_set_serdes_access(bp, port);
Y
Yaniv Rosner 已提交
3491

Y
Yaniv Rosner 已提交
3492 3493
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
	       DEFAULT_PHY_DEV_ADDR);
Y
Yaniv Rosner 已提交
3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510
}

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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3512
	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
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3513
	       params->phy[INT_PHY].def_md_devad);
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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 3570 3571 3572 3573 3574 3575 3576
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
{
	struct bnx2x *bp = params->bp;
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
	/**
	 * resolve pause mode and advertisement Please refer to Table
	 * 28B-3 of the 802.3ab-1999 spec
	 */

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

	case BNX2X_FLOW_CTRL_TX:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

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

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

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

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

		params->phy[actual_phy_idx].speed_cap_mask =
			params->speed_cap_mask[link_cfg_idx];
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3577

3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646
		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;
}

3647 3648 3649
static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
					struct link_params *params,
					struct link_vars *vars)
3650 3651 3652 3653
{
	u16 ld_pause;		/* local */
	u16 lp_pause;		/* link partner */
	u16 pause_result;
3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671
	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);
	} 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);
3672

3673 3674 3675 3676 3677 3678
}
static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u8 ret = 0;
3679
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3680 3681 3682 3683 3684
	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 */
3685
		vars->flow_ctrl = phy->req_flow_ctrl;
3686
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3687 3688 3689
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
3690
		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3691 3692 3693
	}
	return ret;
}
3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704
/******************************************************************/
/*			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;
3706 3707
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
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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);

3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758
	/* 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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	/* 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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3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776
	/* 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");
	}

3777 3778 3779
	/* Advertise pause */
	bnx2x_ext_phy_set_pause(params, phy, vars);

3780 3781 3782 3783 3784 3785 3786 3787 3788
	/*
	 * Set KR Autoneg Work-Around flag for Warpcore version older than D108
	 */
	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;
	}
3789 3790 3791 3792 3793 3794

	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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	/* 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,
3802
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
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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 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 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 3921 3922 3923 3924 3925 3926 3927 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 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068
}

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);

	/*Enable encoded forced speed */
	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;
		tap_val = ((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));
		tx_driver_val =
		      ((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));
	}
	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,
4069 4070
					   u8 fiber_mode,
					   u8 always_autoneg)
4071 4072 4073 4074 4075 4076 4077 4078 4079 4080
{
	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));

4081
	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4082 4083 4084 4085 4086 4087 4088 4089 4090 4091
		/* 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);
4092
		val16 &= 0xcebf;
4093 4094 4095 4096 4097 4098 4099 4100 4101 4102
		switch (phy->req_line_speed) {
		case SPEED_10:
			break;
		case SPEED_100:
			val16 |= 0x2000;
			break;
		case SPEED_1000:
			val16 |= 0x0040;
			break;
		default:
4103 4104
			DP(NETIF_MSG_LINK,
			   "Speed not supported: 0x%x\n", phy->req_line_speed);
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 4135 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
			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
4168
/* Clear SFI/XFI link settings registers */
4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 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
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;

		/*
		 * Should not happen. This function called upon interrupt
		 * 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)) {
4234 4235 4236
			DP(NETIF_MSG_LINK,
			   "ERROR: Invalid cfg pin %x for module detect indication\n",
			   cfg_pin);
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
			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
4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 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 4338 4339 4340 4341 4342 4343 4344 4345 4346
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 {
				/*reset the lane to see if link comes up.*/
				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*/

}
4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372

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);
4373
		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400
	} else {
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Enable KR Auto Neg */
			if (params->loopback_mode == LOOPBACK_NONE)
				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,
4401 4402
								fiber_mode,
								0);
4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414
			}

			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");
4415 4416
				bnx2x_warpcore_set_sgmii_speed(
						phy, params, 1, 0);
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
			}
			/* 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:
4445 4446 4447
			DP(NETIF_MSG_LINK,
			   "Unsupported Serdes Net Interface 0x%x\n",
			   serdes_net_if);
4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 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 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568
			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);
		/* 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);

	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);
	}
}


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4569 4570
void bnx2x_sync_link(struct link_params *params,
			   struct link_vars *vars)
Y
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4571 4572
{
	struct bnx2x *bp = params->bp;
4573
	u8 link_10g_plus;
Y
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4574 4575
	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
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4576
	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
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4577 4578 4579 4580 4581 4582
	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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4583
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Y
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4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615
			case LINK_10THD:
				vars->duplex = DUPLEX_HALF;
				/* fall thru */
			case LINK_10TFD:
				vars->line_speed = SPEED_10;
				break;

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

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

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

			case LINK_10GTFD:
				vars->line_speed = SPEED_10000;
				break;
4616 4617 4618
			case LINK_20GTFD:
				vars->line_speed = SPEED_20000;
				break;
Y
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4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638
			default:
				break;
		}
		vars->flow_ctrl = 0;
		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;

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

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

		if (vars->line_speed &&
		    ((vars->line_speed == SPEED_10) ||
		     (vars->line_speed == SPEED_100))) {
			vars->phy_flags |= PHY_SGMII_FLAG;
		} else {
			vars->phy_flags &= ~PHY_SGMII_FLAG;
		}
4639 4640 4641 4642
		if (vars->line_speed &&
		    USES_WARPCORE(bp) &&
		    (vars->line_speed == SPEED_1000))
			vars->phy_flags |= PHY_SGMII_FLAG;
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4643
		/* anything 10 and over uses the bmac */
4644 4645 4646 4647 4648 4649
		link_10g_plus = (vars->line_speed >= SPEED_10000);

		if (link_10g_plus) {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_XMAC;
			else
4650
				vars->mac_type = MAC_TYPE_BMAC;
4651 4652 4653
		} else {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_UMAC;
4654 4655
			else
				vars->mac_type = MAC_TYPE_EMAC;
4656
		}
Y
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4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667
	} else { /* link down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;

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

		/* indicate no mac active */
		vars->mac_type = MAC_TYPE_NONE;
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4668 4669
		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
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4670
	}
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4671 4672 4673 4674 4675 4676 4677 4678 4679 4680
}

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
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4681

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4682 4683 4684 4685 4686 4687
	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
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4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704
	/* 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);

4705 4706 4707 4708 4709 4710 4711
	/* 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
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4712 4713 4714 4715 4716 4717 4718 4719
	/* 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;

4720 4721
	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
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4722 4723 4724 4725 4726 4727 4728 4729 4730
	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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4731
	ser_lane = ((params->lane_config &
Y
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4732
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Y
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4733
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
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4734 4735

	/* set the master_ln for AN */
Y
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4736
	CL22_RD_OVER_CL45(bp, phy,
Y
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4737 4738 4739
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
Y
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4740

Y
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4741
	CL22_WR_OVER_CL45(bp, phy,
Y
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4742 4743 4744
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
Y
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4745 4746
}

Y
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4747 4748 4749
static int bnx2x_reset_unicore(struct link_params *params,
			       struct bnx2x_phy *phy,
			       u8 set_serdes)
Y
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4750 4751 4752 4753
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
Y
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4754
	CL22_RD_OVER_CL45(bp, phy,
Y
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4755 4756
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Y
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4757 4758

	/* reset the unicore */
Y
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4759
	CL22_WR_OVER_CL45(bp, phy,
Y
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4760 4761 4762 4763
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
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4764 4765 4766 4767 4768 4769 4770 4771
	if (set_serdes)
		bnx2x_set_serdes_access(bp, params->port);

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

		/* the reset erased the previous bank value */
Y
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4772
		CL22_RD_OVER_CL45(bp, phy,
Y
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4773 4774 4775
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
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4776 4777 4778 4779 4780 4781

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
Y
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4782

4783 4784 4785
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
Y
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4786 4787 4788 4789 4790
	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
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4791 4792
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
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4793 4794
{
	struct bnx2x *bp = params->bp;
4795 4796 4797 4798
	/*
	 *  Each two bits represents a lane number:
	 *  No swap is 0123 => 0x1b no need to enable the swap
	 */
Y
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4799
	u16 rx_lane_swap, tx_lane_swap;
Y
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4800 4801

	rx_lane_swap = ((params->lane_config &
Y
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4802 4803
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Y
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4804
	tx_lane_swap = ((params->lane_config &
Y
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4805 4806
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Y
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4807 4808

	if (rx_lane_swap != 0x1b) {
Y
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4809
		CL22_WR_OVER_CL45(bp, phy,
Y
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4810 4811 4812 4813 4814
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
				  (rx_lane_swap |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Y
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4815
	} else {
Y
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4816
		CL22_WR_OVER_CL45(bp, phy,
Y
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4817 4818
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Y
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4819 4820 4821
	}

	if (tx_lane_swap != 0x1b) {
Y
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4822
		CL22_WR_OVER_CL45(bp, phy,
Y
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4823 4824 4825 4826
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Y
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4827
	} else {
Y
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4828
		CL22_WR_OVER_CL45(bp, phy,
Y
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4829 4830
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Y
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4831 4832 4833
	}
}

Y
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4834 4835
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
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4836 4837 4838
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
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4839
	CL22_RD_OVER_CL45(bp, phy,
Y
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4840 4841 4842
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
4843
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
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4844 4845 4846
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4847 4848
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
Y
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4849
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4850 4851 4852
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
Yaniv Rosner 已提交
4853

Y
Yaniv Rosner 已提交
4854
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4855
	     (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4856
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
4857 4858
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
4859
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4860 4861 4862
				 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
4863

Y
Yaniv Rosner 已提交
4864
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4865 4866 4867
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);
Y
Yaniv Rosner 已提交
4868 4869 4870 4871 4872


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
Yaniv Rosner 已提交
4873
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4874 4875 4876
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
Yaniv Rosner 已提交
4877 4878

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
4879
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4880 4881 4882 4883
				  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
4884 4885 4886
	}
}

Y
Yaniv Rosner 已提交
4887 4888
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
4889 4890
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
Yaniv Rosner 已提交
4891 4892 4893 4894 4895
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
Yaniv Rosner 已提交
4896
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4897 4898
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4899 4900

	/* CL37 Autoneg Enabled */
Y
Yaniv Rosner 已提交
4901
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4902 4903 4904 4905 4906
		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
4907
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4908 4909
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4910 4911 4912

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
4913
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4914 4915
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4916 4917 4918
	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
4919
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4920 4921 4922 4923
		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
4924
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4925 4926
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
4927 4928

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
4929
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4930 4931
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
4932
			  &reg_val);
Y
Yaniv Rosner 已提交
4933
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
4934 4935 4936 4937 4938 4939 4940 4941
		/* 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
4942
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4943 4944 4945
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
4946

4947 4948
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
4949
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4950 4951 4952
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
4953 4954

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
4955
		CL22_WR_OVER_CL45(bp, phy,
4956 4957 4958 4959 4960 4961
			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
4962
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
4963
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4964 4965 4966
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
4967
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4968 4969
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
4970
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4971 4972
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
4973

Y
Yaniv Rosner 已提交
4974
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4975 4976 4977
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
4978 4979 4980 4981 4982 4983

		/* 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
4984

Y
Yaniv Rosner 已提交
4985
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4986 4987
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4988 4989 4990
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
4991 4992
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
4993
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
4994 4995 4996 4997
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

4998
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
4999
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5000 5001
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
5002
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5003 5004
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5005
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5006
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
5007
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5008 5009
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
5010

5011 5012 5013 5014
	/*
	 * program speed
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
5015
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5016 5017
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
5018 5019 5020 5021 5022 5023 5024 5025 5026 5027
	/* 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
5028 5029
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
5030
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
5031 5032
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
5033 5034
	}

Y
Yaniv Rosner 已提交
5035
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5036 5037
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
5038

Y
Yaniv Rosner 已提交
5039 5040
}

5041 5042
static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params)
Y
Yaniv Rosner 已提交
5043 5044 5045 5046 5047 5048 5049
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
5050
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
5051
		val |= MDIO_OVER_1G_UP1_2_5G;
5052
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
5053
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
5054
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5055 5056
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
5057

Y
Yaniv Rosner 已提交
5058
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5059 5060
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
5061 5062
}

5063 5064 5065
static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params,
					      u16 ieee_fc)
Y
Yaniv Rosner 已提交
5066 5067
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5068
	u16 val;
Y
Yaniv Rosner 已提交
5069
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
5070

Y
Yaniv Rosner 已提交
5071
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5072 5073
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
5074
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5075 5076
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
5077 5078
	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
5079
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5080 5081
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
5082 5083
}

Y
Yaniv Rosner 已提交
5084 5085 5086
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
5087 5088
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
5089
	u16 mii_control;
5090

Y
Yaniv Rosner 已提交
5091
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
5092
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
5093

5094
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
5095
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5096 5097 5098
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
5099

Y
Yaniv Rosner 已提交
5100
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5101 5102 5103 5104 5105
				  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));
5106 5107
	} else {

Y
Yaniv Rosner 已提交
5108
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5109 5110 5111
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
5112 5113 5114
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
5115
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5116 5117 5118 5119 5120
				  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));
5121
	}
Y
Yaniv Rosner 已提交
5122 5123
}

Y
Yaniv Rosner 已提交
5124 5125
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
5126
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5127 5128 5129 5130 5131 5132
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
5133
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5134 5135 5136
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
Y
Yaniv Rosner 已提交
5137 5138 5139 5140 5141
	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
5142
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5143 5144 5145
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
5146 5147

	/* if forced speed */
Y
Yaniv Rosner 已提交
5148
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
5149 5150 5151
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
5152
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5153 5154 5155
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
5156 5157 5158 5159
		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
5160
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173
		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
5174 5175
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
5176 5177 5178 5179
			break;
		}

		/* setting the full duplex */
5180
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5181 5182
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
5183
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5184 5185 5186
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
5187 5188 5189

	} else { /* AN mode */
		/* enable and restart AN */
Y
Yaniv Rosner 已提交
5190
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
5191 5192 5193 5194 5195 5196 5197 5198
	}
}


/*
 * link management
 */

Y
Yaniv Rosner 已提交
5199 5200
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					     struct link_params *params)
5201 5202 5203
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
5204 5205
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
5206
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5207 5208 5209
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
5210
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5211 5212 5213
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
5214 5215 5216 5217 5218 5219
	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
5220
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5221 5222 5223
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
5224 5225 5226 5227 5228 5229 5230 5231

	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
5232

5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279
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
5280 5281 5282 5283
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
5284 5285
{
	struct bnx2x *bp = params->bp;
5286
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5287 5288

	/* resolve from gp_status in case of AN complete and not sgmii */
5289 5290 5291 5292 5293
	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 */
5294
		vars->flow_ctrl = phy->req_flow_ctrl;
5295
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5296 5297 5298
		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
5299
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5300 5301 5302
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
5303
		bnx2x_update_adv_fc(phy, params, vars, gp_status);
Y
Yaniv Rosner 已提交
5304 5305 5306 5307
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
5308 5309
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
5310 5311
{
	struct bnx2x *bp = params->bp;
5312
	u16 rx_status, ustat_val, cl37_fsm_received;
5313 5314
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
5315
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5316 5317 5318
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
5319 5320 5321 5322
	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
5323
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5324 5325 5326
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5327 5328 5329
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
5330
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5331 5332 5333
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
5334 5335 5336 5337 5338 5339 5340 5341 5342
	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;
	}
5343 5344 5345 5346
	/*
	 * Step 3: Check CL37 Message Pages received to indicate LP
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
5347
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5348 5349
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5350 5351
			  &cl37_fsm_received);
	if ((cl37_fsm_received &
5352 5353 5354 5355 5356 5357
	     (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",
5358
			 cl37_fsm_received);
5359 5360
		return;
	}
5361 5362 5363 5364 5365 5366 5367
	/*
	 * The combined cl37/cl73 fsm state information indicating that
	 * we are connected to a device which does not support cl73, but
	 * does support cl37 BAM. In this case we disable cl73 and
	 * restart cl37 auto-neg
	 */

5368
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
5369
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5370 5371 5372
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
5373
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
5374
	bnx2x_restart_autoneg(phy, params, 0);
5375 5376
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390

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;
}
5391 5392 5393 5394 5395 5396
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
5397 5398
{
	struct bnx2x *bp = params->bp;
5399 5400
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5401 5402
	if (is_link_up) {
		DP(NETIF_MSG_LINK, "phy link up\n");
Y
Yaniv Rosner 已提交
5403 5404 5405 5406

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

5407
		switch (speed_mask) {
Y
Yaniv Rosner 已提交
5408
		case GP_STATUS_10M:
5409
			vars->line_speed = SPEED_10;
Y
Yaniv Rosner 已提交
5410 5411 5412 5413 5414 5415 5416
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
5417
			vars->line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
5418 5419 5420 5421 5422 5423 5424 5425
			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:
5426
			vars->line_speed = SPEED_1000;
Y
Yaniv Rosner 已提交
5427 5428 5429 5430 5431 5432 5433
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
5434
			vars->line_speed = SPEED_2500;
Y
Yaniv Rosner 已提交
5435 5436 5437 5438 5439 5440 5441 5442 5443 5444
			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",
5445
				  speed_mask);
Y
Yaniv Rosner 已提交
5446
			return -EINVAL;
5447

Y
Yaniv Rosner 已提交
5448 5449 5450
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
5451 5452 5453 5454
		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
5455 5456
			vars->link_status |= LINK_10GTFD;
			break;
5457 5458 5459 5460
		case GP_STATUS_20G_DXGXS:
			vars->line_speed = SPEED_20000;
			vars->link_status |= LINK_20GTFD;
			break;
Y
Yaniv Rosner 已提交
5461 5462 5463
		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
5464
				  speed_mask);
5465
			return -EINVAL;
Y
Yaniv Rosner 已提交
5466 5467 5468 5469 5470
		}
	} else { /* link_down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;
5471

Y
Yaniv Rosner 已提交
5472
		vars->duplex = DUPLEX_FULL;
5473
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5474
		vars->mac_type = MAC_TYPE_NONE;
5475 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 5505
	}
	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;
5506

5507 5508 5509 5510 5511 5512 5513 5514
	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 */
5515 5516
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
5517
			/* Check signal is detected */
5518
			bnx2x_check_fallback_to_cl37(phy, params);
5519
		}
Y
Yaniv Rosner 已提交
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
	/* 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
5549 5550
	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
5551 5552 5553
	return rc;
}

5554 5555 5556 5557 5558 5559 5560 5561 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 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605
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);
		}
	}

5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633
	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;

	}


5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654
	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
5655
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
5656 5657
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5658
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
5659 5660
	u16 lp_up2;
	u16 tx_driver;
5661
	u16 bank;
Y
Yaniv Rosner 已提交
5662 5663

	/* read precomp */
Y
Yaniv Rosner 已提交
5664
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5665 5666
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
5667 5668 5669 5670 5671 5672

	/* 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);

5673 5674 5675 5676 5677
	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
5678
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5679 5680
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
5681 5682 5683 5684 5685 5686

		/* 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
5687
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5688 5689
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
5690
		}
Y
Yaniv Rosner 已提交
5691 5692 5693
	}
}

Y
Yaniv Rosner 已提交
5694 5695
static int bnx2x_emac_program(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5696 5697 5698 5699 5700 5701 5702
{
	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
5703 5704 5705 5706
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
5707
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725
	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
5726 5727
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
5728 5729 5730
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
5731
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
5732 5733
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
5734 5735
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
5736

5737
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
5738 5739 5740
	return 0;
}

Y
Yaniv Rosner 已提交
5741 5742
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5743
{
Y
Yaniv Rosner 已提交
5744 5745 5746 5747 5748 5749

	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
5750
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5751 5752 5753 5754 5755 5756 5757
					  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
5758
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5759 5760 5761 5762 5763 5764
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

Y
Yaniv Rosner 已提交
5765 5766 5767
static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780
{
	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
5781
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793
			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 */
5794
			bnx2x_set_brcm_cl37_advertisement(phy, params);
Y
Yaniv Rosner 已提交
5795 5796

			/* program duplex & pause advertisement (for aneg) */
5797 5798
			bnx2x_set_ieee_aneg_advertisement(phy, params,
							  vars->ieee_fc);
Y
Yaniv Rosner 已提交
5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813

			/* 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
5814 5815 5816
static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
Y
Yaniv Rosner 已提交
5817
{
Y
Yaniv Rosner 已提交
5818
	int rc;
Y
Yaniv Rosner 已提交
5819
	vars->phy_flags |= PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
5820 5821 5822 5823 5824 5825 5826
	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
5827 5828
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Y
Yaniv Rosner 已提交
5829 5830 5831 5832 5833
		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
5834 5835 5836
	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
5837 5838 5839 5840 5841 5842

	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
5843
	bnx2x_set_aer_mmd(params, phy);
Y
Yaniv Rosner 已提交
5844
	/* setting the masterLn_def again after the reset */
Y
Yaniv Rosner 已提交
5845 5846 5847 5848
	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
5849 5850 5851

	return rc;
}
5852

Y
Yaniv Rosner 已提交
5853
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5854 5855
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
5856
{
Y
Yaniv Rosner 已提交
5857
	u16 cnt, ctrl;
L
Lucas De Marchi 已提交
5858
	/* Wait for soft reset to get cleared up to 1 sec */
Y
Yaniv Rosner 已提交
5859
	for (cnt = 0; cnt < 1000; cnt++) {
5860
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Y
Yaniv Rosner 已提交
5861 5862 5863 5864 5865 5866
			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
5867 5868 5869 5870
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
5871 5872 5873 5874 5875

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
5876 5877
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
5878 5879
}

Y
Yaniv Rosner 已提交
5880
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
5881
{
Y
Yaniv Rosner 已提交
5882 5883 5884
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
5885

5886
	/* Setting the status to report on link up for either XGXS or SerDes */
5887 5888 5889 5890 5891
	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
5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925
		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
5926 5927
}

Y
Yaniv Rosner 已提交
5928 5929
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
5930
{
Y
Yaniv Rosner 已提交
5931 5932
	u32 latch_status = 0;

5933
	/*
Y
Yaniv Rosner 已提交
5934 5935 5936
	 * Disable the MI INT ( external phy int ) by writing 1 to the
	 * status register. Link down indication is high-active-signal,
	 * so in this case we need to write the status to clear the XOR
Y
Yaniv Rosner 已提交
5937 5938 5939
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
5940 5941
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
5942
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953
	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
5954
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
5955

Y
Yaniv Rosner 已提交
5956 5957
		/* 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
5958
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
5959
	}
Y
Yaniv Rosner 已提交
5960
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
5961 5962
}

Y
Yaniv Rosner 已提交
5963
static void bnx2x_link_int_ack(struct link_params *params,
5964
			       struct link_vars *vars, u8 is_10g_plus)
5965
{
Y
Yaniv Rosner 已提交
5966
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5967
	u8 port = params->port;
5968
	u32 mask;
5969 5970 5971 5972
	/*
	 * First reset all status we assume only one line will be
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
5973
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
5974 5975 5976
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
5977
	if (vars->phy_link_up) {
5978 5979 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989
		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) {
				/*
				 * Disable the link interrupt by writing 1 to
				 * the relevant lane in the status register
				 */
				u32 ser_lane =
					((params->lane_config &
Y
Yaniv Rosner 已提交
5990 5991
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5992 5993 5994 5995
				mask = ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
			} else
				mask = NIG_STATUS_SERDES0_LINK_STATUS;
Y
Yaniv Rosner 已提交
5996
		}
5997 5998 5999 6000 6001
		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
6002 6003 6004
	}
}

Y
Yaniv Rosner 已提交
6005
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
6006 6007 6008 6009 6010
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
6011
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
6012 6013 6014
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
6015
		(*len)--;
Y
Yaniv Rosner 已提交
6016
		return -EINVAL;
Y
Yaniv Rosner 已提交
6017
	}
Y
Yaniv Rosner 已提交
6018
	while (shift > 0) {
Y
Yaniv Rosner 已提交
6019

Y
Yaniv Rosner 已提交
6020 6021
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
6022 6023 6024 6025
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
6026 6027 6028
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
6029
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
6030
		str_ptr++;
Y
Yaniv Rosner 已提交
6031
		(*len)--;
Y
Yaniv Rosner 已提交
6032 6033
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
6034
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
6035
			str_ptr++;
Y
Yaniv Rosner 已提交
6036 6037
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
6038 6039
		}
	}
Y
Yaniv Rosner 已提交
6040
	return 0;
Y
Yaniv Rosner 已提交
6041 6042
}

Y
Yaniv Rosner 已提交
6043

Y
Yaniv Rosner 已提交
6044
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
6045
{
Y
Yaniv Rosner 已提交
6046 6047 6048 6049
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
6050

6051 6052
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
				 u16 len)
Y
Yaniv Rosner 已提交
6053 6054 6055
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
Y
Yaniv Rosner 已提交
6056
	int status = 0;
Y
Yaniv Rosner 已提交
6057
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
6058
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
6059 6060 6061
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
6062

Y
Yaniv Rosner 已提交
6063 6064 6065
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
6066

Y
Yaniv Rosner 已提交
6067
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
6068 6069
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
6070 6071 6072 6073 6074
							      &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
6075
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087
		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
6088
	return status;
Y
Yaniv Rosner 已提交
6089
}
Y
Yaniv Rosner 已提交
6090

Y
Yaniv Rosner 已提交
6091 6092
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
6093
{
Y
Yaniv Rosner 已提交
6094
	u8 port = params->port;
E
Eilon Greenstein 已提交
6095 6096
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
6097
	if (phy->req_line_speed != SPEED_1000) {
6098
		u32 md_devad = 0;
E
Eilon Greenstein 已提交
6099

Y
Yaniv Rosner 已提交
6100
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
6101

6102 6103 6104 6105
		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));
6106

6107 6108 6109
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       0x5);
		}
E
Eilon Greenstein 已提交
6110

Y
Yaniv Rosner 已提交
6111
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6112 6113 6114 6115
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
6116

Y
Yaniv Rosner 已提交
6117
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6118 6119 6120 6121
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
6122 6123
		msleep(200);
		/* set aer mmd back */
Y
Yaniv Rosner 已提交
6124
		bnx2x_set_aer_mmd(params, phy);
E
Eilon Greenstein 已提交
6125

6126 6127 6128 6129 6130
		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
6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143
	} 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
6144 6145
}

Y
Yaniv Rosner 已提交
6146 6147
int bnx2x_set_led(struct link_params *params,
		  struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
6148
{
Y
Yaniv Rosner 已提交
6149 6150
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
Yaniv Rosner 已提交
6151 6152
	int rc = 0;
	u8 phy_idx;
Y
Yaniv Rosner 已提交
6153 6154
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
6155
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6156 6157 6158
	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);
6159 6160 6161 6162 6163 6164 6165 6166
	/* 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
6167
	switch (mode) {
6168
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
6169 6170 6171
	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
6172
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
6173

Y
Yaniv Rosner 已提交
6174
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
6175 6176 6177 6178 6179 6180 6181
		if (params->phy[EXT_PHY1].type ==
			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
		else {
			EMAC_WR(bp, EMAC_REG_EMAC_LED,
				(tmp | EMAC_LED_OVERRIDE));
		}
Y
Yaniv Rosner 已提交
6182
		break;
E
Eilon Greenstein 已提交
6183

Y
Yaniv Rosner 已提交
6184
	case LED_MODE_OPER:
6185
		/*
6186 6187
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
6188
		 */
6189 6190 6191
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
6192 6193 6194 6195
		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)) &&
6196
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6197 6198 6199
			/*
			 * This is a work-around for E2+8727 Configurations
			 */
6200 6201 6202 6203 6204 6205 6206 6207
			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));
Y
Yaniv Rosner 已提交
6208 6209
				/*
				 * return here without enabling traffic
Y
Yaniv Rosner 已提交
6210
				 * LED blink and setting rate in ON mode.
Y
Yaniv Rosner 已提交
6211 6212 6213 6214 6215
				 * In oper mode, enabling LED blink
				 * and setting rate is needed.
				 */
				if (mode == LED_MODE_ON)
					return rc;
6216
			}
Y
Yaniv Rosner 已提交
6217
		} else if (SINGLE_MEDIA_DIRECT(params)) {
6218 6219 6220 6221
			/*
			 * This is a work-around for HW issue found when link
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
6222 6223 6224 6225 6226
			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
6227 6228 6229 6230 6231 6232 6233
			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
6234 6235 6236 6237 6238 6239
		} else if ((params->phy[EXT_PHY1].type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
			   (mode != LED_MODE_OPER)) {
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
Y
Yaniv Rosner 已提交
6240
		} else
Y
Yaniv Rosner 已提交
6241 6242
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			       hw_led_mode);
E
Eilon Greenstein 已提交
6243

Y
Yaniv Rosner 已提交
6244
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
6245
		/* Set blinking rate to ~15.9Hz */
Y
Yaniv Rosner 已提交
6246 6247 6248 6249 6250 6251
		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
6252
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
6253
		       port*4, 1);
Y
Yaniv Rosner 已提交
6254 6255 6256 6257 6258 6259 6260
		if ((params->phy[EXT_PHY1].type !=
		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
		    (mode != LED_MODE_OPER)) {
			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
6261

Y
Yaniv Rosner 已提交
6262 6263 6264 6265 6266
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
6267 6268 6269 6270
			/*
			 * On Everest 1 Ax chip versions for speeds less than
			 * 10G LED scheme is different
			 */
Y
Yaniv Rosner 已提交
6271
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
6272
			       + port*4, 1);
Y
Yaniv Rosner 已提交
6273
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6274
			       port*4, 0);
Y
Yaniv Rosner 已提交
6275
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6276
			       port*4, 1);
Y
Yaniv Rosner 已提交
6277 6278
		}
		break;
E
Eilon Greenstein 已提交
6279

Y
Yaniv Rosner 已提交
6280 6281 6282 6283 6284
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
6285
	}
Y
Yaniv Rosner 已提交
6286
	return rc;
E
Eilon Greenstein 已提交
6287

E
Eilon Greenstein 已提交
6288 6289
}

6290
/*
Y
Yaniv Rosner 已提交
6291 6292 6293
 * This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
Y
Yaniv Rosner 已提交
6294 6295
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		    u8 is_serdes)
E
Eilon Greenstein 已提交
6296 6297
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6298
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
6299 6300
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326
	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
6327 6328 6329
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yaniv Rosner 已提交
6330
	/* link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
6331 6332
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;
6333 6334 6335 6336
	}
	/* In XGXS loopback mode, do not check external PHY */
	if (params->loopback_mode == LOOPBACK_XGXS)
		return 0;
Y
Yaniv Rosner 已提交
6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347

	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
6348 6349
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
6350 6351 6352
			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
6353 6354 6355
					    ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_DA_TWINAX));
Y
Yaniv Rosner 已提交
6356 6357 6358 6359 6360

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
6361 6362 6363
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
6364
			}
Y
Yaniv Rosner 已提交
6365
		}
Y
Yaniv Rosner 已提交
6366
		break;
E
Eilon Greenstein 已提交
6367
	}
Y
Yaniv Rosner 已提交
6368 6369
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
6370 6371
	return -ESRCH;
}
E
Eilon Greenstein 已提交
6372

Y
Yaniv Rosner 已提交
6373 6374
static int bnx2x_link_initialize(struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6375
{
Y
Yaniv Rosner 已提交
6376
	int rc = 0;
Y
Yaniv Rosner 已提交
6377 6378
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
6379 6380 6381 6382 6383 6384
	/*
	 * In case of external phy existence, the line speed would be the
	 * line speed linked up by the external phy. In case it is direct
	 * only, then the line_speed during initialization will be
	 * equal to the req_line_speed
	 */
Y
Yaniv Rosner 已提交
6385
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
6386

6387
	/*
Y
Yaniv Rosner 已提交
6388 6389 6390 6391
	 * Initialize the internal phy in case this is a direct board
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
6392 6393
	if (!USES_WARPCORE(bp))
		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
6394 6395 6396
	/* 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
6397

Y
Yaniv Rosner 已提交
6398 6399 6400 6401
	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];
6402 6403 6404
		if (vars->line_speed == SPEED_AUTO_NEG &&
		    (CHIP_IS_E1x(bp) ||
		     CHIP_IS_E2(bp)))
Y
Yaniv Rosner 已提交
6405
			bnx2x_set_parallel_detection(phy, params);
Y
Yaniv Rosner 已提交
6406 6407 6408 6409
			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(phy,
								 params,
								 vars);
E
Eilon Greenstein 已提交
6410 6411
	}

Y
Yaniv Rosner 已提交
6412
	/* Init external phy*/
Y
Yaniv Rosner 已提交
6413 6414 6415 6416 6417
	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
6418 6419
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
6420
			/*
Y
Yaniv Rosner 已提交
6421 6422 6423 6424
			 * No need to initialize second phy in case of first
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
6425
			 */
Y
Yaniv Rosner 已提交
6426 6427 6428 6429
			if (params->phy[phy_index].supported &
			    SUPPORTED_FIBRE)
				vars->link_status |= LINK_STATUS_SERDES_LINK;

Y
Yaniv Rosner 已提交
6430 6431 6432
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6433 6434
				DP(NETIF_MSG_LINK,
				   "Not initializing second phy\n");
Y
Yaniv Rosner 已提交
6435 6436
				continue;
			}
Y
Yaniv Rosner 已提交
6437 6438 6439 6440
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
Y
Yaniv Rosner 已提交
6441
	}
Y
Yaniv Rosner 已提交
6442 6443 6444 6445 6446 6447 6448
	/* Reset the interrupt indication after phy was initialized */
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
		       params->port*4,
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
6449
	bnx2x_update_mng(params, vars->link_status);
Y
Yaniv Rosner 已提交
6450 6451
	return rc;
}
E
Eilon Greenstein 已提交
6452

Y
Yaniv Rosner 已提交
6453 6454 6455 6456
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
6457 6458
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
6459 6460
}

Y
Yaniv Rosner 已提交
6461 6462
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
6463
{
Y
Yaniv Rosner 已提交
6464 6465 6466
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
6467 6468 6469 6470
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
6471
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6472 6473
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6474
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6475 6476
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6477
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
6478
}
E
Eilon Greenstein 已提交
6479

Y
Yaniv Rosner 已提交
6480 6481
static int bnx2x_update_link_down(struct link_params *params,
				  struct link_vars *vars)
E
Eilon Greenstein 已提交
6482 6483
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6484
	u8 port = params->port;
E
Eilon Greenstein 已提交
6485

Y
Yaniv Rosner 已提交
6486
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6487
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6488
	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Y
Yaniv Rosner 已提交
6489 6490
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
6491

Y
Yaniv Rosner 已提交
6492
	/* update shared memory */
Y
Yaniv Rosner 已提交
6493 6494
	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
			       LINK_STATUS_LINK_UP |
Y
Yaniv Rosner 已提交
6495
			       LINK_STATUS_PHYSICAL_LINK_FLAG |
Y
Yaniv Rosner 已提交
6496 6497 6498
			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6499 6500 6501
			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
Y
Yaniv Rosner 已提交
6502 6503
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
6504

Y
Yaniv Rosner 已提交
6505 6506
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
6507

Y
Yaniv Rosner 已提交
6508
	/* disable emac */
6509 6510
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
6511 6512

	msleep(10);
6513 6514 6515 6516 6517 6518
	/* 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
6519
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6520
	}
6521
	if (CHIP_IS_E3(bp)) {
6522
		bnx2x_xmac_disable(params);
6523 6524
		bnx2x_umac_disable(params);
	}
6525

E
Eilon Greenstein 已提交
6526 6527
	return 0;
}
Y
Yaniv Rosner 已提交
6528

Y
Yaniv Rosner 已提交
6529 6530 6531
static int bnx2x_update_link_up(struct link_params *params,
				struct link_vars *vars,
				u8 link_10g)
E
Eilon Greenstein 已提交
6532 6533
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6534
	u8 port = params->port;
Y
Yaniv Rosner 已提交
6535
	int rc = 0;
E
Eilon Greenstein 已提交
6536

Y
Yaniv Rosner 已提交
6537 6538
	vars->link_status |= (LINK_STATUS_LINK_UP |
			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6539
	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6540

Y
Yaniv Rosner 已提交
6541 6542 6543
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
6544

Y
Yaniv Rosner 已提交
6545 6546 6547
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6548
	if (USES_WARPCORE(bp)) {
6549 6550 6551 6552 6553 6554 6555 6556 6557
		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
6558
			bnx2x_umac_enable(params, vars, 0);
6559
		bnx2x_set_led(params, vars,
6560 6561 6562 6563 6564
			      LED_MODE_OPER, vars->line_speed);
	}
	if ((CHIP_IS_E1x(bp) ||
	     CHIP_IS_E2(bp))) {
		if (link_10g) {
6565 6566 6567 6568 6569 6570 6571
			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;
			}
6572

6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585
			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
6586
	}
6587

Y
Yaniv Rosner 已提交
6588
	/* PBF - link up */
6589
	if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
6590 6591
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
6592

Y
Yaniv Rosner 已提交
6593 6594
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
6595

Y
Yaniv Rosner 已提交
6596 6597 6598 6599
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
6600
}
6601
/*
Y
Yaniv Rosner 已提交
6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613
 * The bnx2x_link_update function should be called upon link
 * interrupt.
 * Link is considered up as follows:
 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
 *   to be up
 * - SINGLE_MEDIA - The link between the 577xx and the external
 *   phy (XGXS) need to up as well as the external link of the
 *   phy (PHY_EXT1)
 * - DUAL_MEDIA - The link between the 577xx and the first
 *   external phy needs to be up, and at least one of the 2
 *   external phy link must be up.
 */
Y
Yaniv Rosner 已提交
6614
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
6615
{
Y
Yaniv Rosner 已提交
6616 6617 6618
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
6619
	u8 link_10g_plus, phy_index;
Y
Yaniv Rosner 已提交
6620 6621
	u8 ext_phy_link_up = 0, cur_link_up;
	int rc = 0;
Y
Yaniv Rosner 已提交
6622 6623 6624
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
6625
	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Y
Yaniv Rosner 已提交
6626 6627 6628 6629 6630 6631 6632 6633
	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;
6634
		phy_vars[phy_index].fault_detected = 0;
Y
Yaniv Rosner 已提交
6635
	}
E
Eilon Greenstein 已提交
6636

6637 6638 6639
	if (USES_WARPCORE(bp))
		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);

Y
Yaniv Rosner 已提交
6640 6641 6642
	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
6643

Y
Yaniv Rosner 已提交
6644
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
6645
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
6646 6647 6648
	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
6649
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
6650

Y
Yaniv Rosner 已提交
6651 6652 6653
	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
6654

Y
Yaniv Rosner 已提交
6655
	/* disable emac */
6656 6657
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
6658

6659 6660 6661 6662
	/*
	 * Step 1:
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
6663
	 * is up. Note that instead of the common vars, a temporary
6664 6665 6666
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
Y
Yaniv Rosner 已提交
6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682
	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
6683

Y
Yaniv Rosner 已提交
6684 6685 6686
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
6687 6688 6689 6690
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6691
			/*
Y
Yaniv Rosner 已提交
6692 6693 6694
			 * In this option, the first PHY makes sure to pass the
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
6695
			 */
Y
Yaniv Rosner 已提交
6696 6697 6698
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6699
			/*
Y
Yaniv Rosner 已提交
6700 6701
			 * In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
6702
			 */
Y
Yaniv Rosner 已提交
6703 6704 6705
				active_external_phy = EXT_PHY2;
				break;
			default:
6706
			/*
Y
Yaniv Rosner 已提交
6707 6708 6709 6710 6711 6712 6713
			 * Link indication on both PHYs with the following cases
			 * is invalid:
			 * - FIRST_PHY means that second phy wasn't initialized,
			 * hence its link is expected to be down
			 * - SECOND_PHY means that first phy should not be able
			 * to link up by itself (using configuration)
			 * - DEFAULT should be overriden during initialiazation
6714
			 */
Y
Yaniv Rosner 已提交
6715 6716 6717 6718 6719 6720
				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
6721 6722
		}
	}
Y
Yaniv Rosner 已提交
6723
	prev_line_speed = vars->line_speed;
6724 6725 6726 6727 6728 6729 6730
	/*
	 * Step 2:
	 * Read the status of the internal phy. In case of
	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
	 * otherwise this is the link between the 577xx and the first
	 * external phy
	 */
Y
Yaniv Rosner 已提交
6731 6732 6733 6734
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
6735
	/*
Y
Yaniv Rosner 已提交
6736 6737 6738 6739 6740 6741
	 * The INT_PHY flow control reside in the vars. This include the
	 * case where the speed or flow control are not set to AUTO.
	 * Otherwise, the active external phy flow control result is set
	 * to the vars. The ext_phy_line_speed is needed to check if the
	 * speed is different between the internal phy and external phy.
	 * This case may be result of intermediate link speed change.
E
Eilon Greenstein 已提交
6742
	 */
Y
Yaniv Rosner 已提交
6743 6744
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6745
		/*
Y
Yaniv Rosner 已提交
6746 6747
		 * Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
E
Eilon Greenstein 已提交
6748
		 */
Y
Yaniv Rosner 已提交
6749
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
6750

6751
		/*
Y
Yaniv Rosner 已提交
6752 6753 6754 6755 6756
		 * if active_external_phy is first PHY and link is up - disable
		 * disable TX on second external PHY
		 */
		if (active_external_phy == EXT_PHY1) {
			if (params->phy[EXT_PHY2].phy_specific_func) {
6757 6758
				DP(NETIF_MSG_LINK,
				   "Disabling TX on EXT_PHY2\n");
Y
Yaniv Rosner 已提交
6759 6760 6761 6762 6763 6764
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
Yaniv Rosner 已提交
6765 6766 6767 6768 6769
		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
6770 6771
		else
			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Y
Yaniv Rosner 已提交
6772 6773 6774
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785

	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
6786 6787 6788
	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);
6789
	/*
Y
Yaniv Rosner 已提交
6790 6791 6792 6793
	 * Upon link speed change set the NIG into drain mode. Comes to
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
E
Eilon Greenstein 已提交
6794

Y
Yaniv Rosner 已提交
6795 6796 6797 6798 6799 6800 6801 6802 6803
	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
6804 6805
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yaniv Rosner 已提交
6806 6807 6808
			msleep(1);
		}
	}
Y
Yaniv Rosner 已提交
6809

Y
Yaniv Rosner 已提交
6810
	/* anything 10 and over uses the bmac */
6811
	link_10g_plus = (vars->line_speed >= SPEED_10000);
E
Eilon Greenstein 已提交
6812

6813
	bnx2x_link_int_ack(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6814

6815 6816 6817 6818 6819 6820 6821 6822
	/*
	 * In case external phy link is up, and internal link is down
	 * (not initialized yet probably after link initialization, it
	 * needs to be initialized.
	 * Note that after link down-up as result of cable plug, the xgxs
	 * link would probably become up again without the need
	 * initialize it
	 */
Y
Yaniv Rosner 已提交
6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836
	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
6837 6838 6839 6840

			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(
					&params->phy[INT_PHY], params,
Y
Yaniv Rosner 已提交
6841
						vars);
E
Eilon Greenstein 已提交
6842
		}
E
Eilon Greenstein 已提交
6843
	}
6844 6845
	/*
	 * Link is up only if both local phy and external phy (in case of
6846
	 * non-direct board) are up and no fault detected on active PHY.
E
Eilon Greenstein 已提交
6847
	 */
Y
Yaniv Rosner 已提交
6848 6849
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
6850 6851
			  SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));
Y
Yaniv Rosner 已提交
6852

Y
Yaniv Rosner 已提交
6853 6854 6855 6856 6857 6858
	/* 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
6859
	if (vars->link_up)
6860
		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6861
	else
Y
Yaniv Rosner 已提交
6862
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
6863

E
Eilon Greenstein 已提交
6864
	return rc;
E
Eilon Greenstein 已提交
6865 6866
}

Y
Yaniv Rosner 已提交
6867 6868 6869 6870 6871 6872
/*****************************************************************************/
/*			    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
6873
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
6874 6875
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6876
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
6877
}
E
Eilon Greenstein 已提交
6878

Y
Yaniv Rosner 已提交
6879 6880 6881 6882 6883
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
6884

Y
Yaniv Rosner 已提交
6885 6886
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
6887 6888
}

Y
Yaniv Rosner 已提交
6889 6890 6891
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
6892
{
Y
Yaniv Rosner 已提交
6893 6894 6895
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6896
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6897
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6898
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
Yaniv Rosner 已提交
6899 6900
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
Yaniv Rosner 已提交
6901
}
6902

Y
Yaniv Rosner 已提交
6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930 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
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
6956 6957 6958
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					     struct bnx2x_phy *phy,
					     u8 port)
Y
Yaniv Rosner 已提交
6959
{
6960 6961
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
Y
Yaniv Rosner 已提交
6962
	int rc = 0;
6963

Y
Yaniv Rosner 已提交
6964 6965 6966
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6967 6968 6969
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
6970 6971 6972

	/* ucode reboot and rst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6973 6974 6975
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
6976 6977

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6978 6979
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
6980 6981 6982

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6983 6984 6985
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
6986 6987 6988

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6989 6990 6991
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
6992

6993 6994 6995 6996 6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018
	/* 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
7019 7020 7021

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7022 7023
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
7024
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7025 7026 7027 7028 7029 7030 7031

	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
7032 7033 7034 7035 7036
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
7037
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
7038 7039 7040 7041 7042 7043
{
	/* 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
7044 7045
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
7046 7047 7048 7049 7050 7051 7052

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7053 7054
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
7055 7056 7057 7058 7059 7060 7061 7062

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

	return 1;
}

Y
Yaniv Rosner 已提交
7063
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
7064 7065 7066 7067
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7068 7069
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
7070 7071 7072 7073 7074 7075 7076

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

7077 7078 7079 7080
	/*
	 * After loading the boot ROM and restarting Autoneg, poll
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
7081 7082 7083

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7084 7085 7086
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
7087 7088 7089 7090 7091
		  /*
		   * If bit [14] = 0 or bit [13] = 0, continue on with
		   * system initialization (XAUI work-around not required, as
		   * these bits indicate 2.5G or 1G link up).
		   */
Y
Yaniv Rosner 已提交
7092 7093 7094 7095
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
7096 7097 7098 7099 7100 7101 7102
			DP(NETIF_MSG_LINK, "bit 15 went off\n");
			/*
			 * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
			 * MSB (bit15) goes to 1 (indicating that the XAUI
			 * workaround has completed), then continue on with
			 * system initialization.
			 */
Y
Yaniv Rosner 已提交
7103 7104 7105 7106 7107 7108 7109 7110 7111 7112 7113 7114 7115 7116 7117 7118 7119 7120 7121 7122 7123 7124 7125 7126 7127 7128 7129 7130 7131 7132 7133 7134
			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
7135
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
7136 7137
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
7138
{
Y
Yaniv Rosner 已提交
7139
	u16 cl37_val;
Y
Yaniv Rosner 已提交
7140 7141
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
7142
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
7143 7144 7145

	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
7146
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164
	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
7165
	bnx2x_cl45_write(bp, phy,
7166
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
7167
	msleep(500);
Y
Yaniv Rosner 已提交
7168 7169
}

Y
Yaniv Rosner 已提交
7170 7171 7172
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7173
{
Y
Yaniv Rosner 已提交
7174
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7175 7176 7177
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
7178

D
Dmitry Kravkov 已提交
7179 7180 7181 7182
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7183 7184
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7185
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7186

Y
Yaniv Rosner 已提交
7187
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7188
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7189

Y
Yaniv Rosner 已提交
7190 7191
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
7192
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
Y
Yaniv Rosner 已提交
7193
	bnx2x_cl45_write(bp, phy,
7194
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7195

Y
Yaniv Rosner 已提交
7196
	bnx2x_8073_set_pause_cl37(params, phy, vars);
7197

Y
Yaniv Rosner 已提交
7198
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7199
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7200

Y
Yaniv Rosner 已提交
7201
	bnx2x_cl45_read(bp, phy,
7202
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7203

Y
Yaniv Rosner 已提交
7204
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7205

7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220
	/* 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
7221
	/* Enable CL37 BAM */
7222 7223 7224 7225
	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) {
7226

7227 7228 7229 7230 7231 7232 7233 7234
		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
7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247
	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);
7248 7249
			/*
			 * Note that 2.5G works only when used with 1G
L
Lucas De Marchi 已提交
7250
			 * advertisement
7251
			 */
Y
Yaniv Rosner 已提交
7252 7253 7254 7255 7256 7257 7258
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
7259

L
Lucas De Marchi 已提交
7260
		/* Note that 2.5G works only when used with 1G advertisement */
Y
Yaniv Rosner 已提交
7261 7262 7263 7264 7265 7266
		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);
	}
7267

Y
Yaniv Rosner 已提交
7268 7269
	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);
7270

Y
Yaniv Rosner 已提交
7271 7272 7273 7274 7275 7276 7277 7278 7279 7280 7281 7282 7283 7284 7285 7286 7287
	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;
	}
7288

Y
Yaniv Rosner 已提交
7289 7290
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
7291

Y
Yaniv Rosner 已提交
7292 7293 7294 7295
	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)));
7296

Y
Yaniv Rosner 已提交
7297 7298
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7299

7300 7301 7302 7303 7304
	/*
	 * The SNR will improve about 2db by changing BW and FEE main
	 * tap. Rest commands are executed after link is up
	 * Change FFE main cursor to 5 in EDC register
	 */
Y
Yaniv Rosner 已提交
7305 7306 7307 7308
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
7309

Y
Yaniv Rosner 已提交
7310 7311 7312 7313
	/* 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);
7314

Y
Yaniv Rosner 已提交
7315
	bnx2x_ext_phy_set_pause(params, phy, vars);
7316

Y
Yaniv Rosner 已提交
7317 7318 7319 7320 7321 7322
	/* 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
7323
}
Y
Yaniv Rosner 已提交
7324

Y
Yaniv Rosner 已提交
7325
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
7326 7327 7328 7329
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7330 7331 7332 7333
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
7334

Y
Yaniv Rosner 已提交
7335
	bnx2x_cl45_read(bp, phy,
7336
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
7337

Y
Yaniv Rosner 已提交
7338
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
7339

Y
Yaniv Rosner 已提交
7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351
	/* 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,
7352
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Y
Yaniv Rosner 已提交
7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 7371

	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;
7372
	}
Y
Yaniv Rosner 已提交
7373 7374 7375 7376
	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);
7377

Y
Yaniv Rosner 已提交
7378 7379 7380 7381 7382 7383 7384
	/* 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);
7385

Y
Yaniv Rosner 已提交
7386 7387
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7388 7389 7390 7391 7392
		/*
		 * The SNR will improve about 2dbby changing the BW and FEE main
		 * tap. The 1st write to change FFE main tap is set before
		 * restart AN. Change PLL Bandwidth in EDC register
		 */
7393
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7394 7395
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
7396

Y
Yaniv Rosner 已提交
7397
		/* Change CDR Bandwidth in EDC register */
7398
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7399 7400 7401 7402 7403 7404
				 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);
7405

Y
Yaniv Rosner 已提交
7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425
	/* 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);
7426
	}
Y
Yaniv Rosner 已提交
7427 7428

	if (link_up) {
7429 7430 7431 7432 7433 7434 7435
		/* 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);
7436 7437 7438 7439
			/*
			 * Set bit 3 to invert Rx in 1G mode and clear this bit
			 * when it`s in 10G mode.
			 */
7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450 7451
			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
7452 7453
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
7454
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
7455
	}
7456 7457 7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468

	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
7469
	return link_up;
Y
Yaniv Rosner 已提交
7470 7471
}

Y
Yaniv Rosner 已提交
7472 7473 7474 7475 7476
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
7477 7478 7479 7480
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7481 7482 7483
	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
7484 7485
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
7486 7487 7488 7489 7490
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
7491 7492 7493
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7494 7495
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7496
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
7497 7498
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7499
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
7500 7501 7502
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7503
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
7504

Y
Yaniv Rosner 已提交
7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516
	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
7517

Y
Yaniv Rosner 已提交
7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528
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);
7529

Y
Yaniv Rosner 已提交
7530 7531 7532
	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);
7533

Y
Yaniv Rosner 已提交
7534 7535
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7536

Y
Yaniv Rosner 已提交
7537 7538 7539 7540
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
7541

Y
Yaniv Rosner 已提交
7542 7543 7544 7545 7546
	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);
7547
	}
Y
Yaniv Rosner 已提交
7548 7549
	return link_up;
}
7550

Y
Yaniv Rosner 已提交
7551 7552 7553
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577
static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 pmd_dis)
{
	struct bnx2x *bp = params->bp;
	/*
	 * Disable transmitter only for bootcodes which can enable it afterwards
	 * (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);
}

7578 7579 7580 7581 7582 7583 7584 7585 7586 7587 7588 7589 7590
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);
}
7591 7592 7593 7594

static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 tx_en)
Y
Yaniv Rosner 已提交
7595 7596
{
	u16 val;
7597 7598 7599
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 tx_en_mode;
7600

Y
Yaniv Rosner 已提交
7601
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7602 7603 7604 7605 7606 7607 7608 7609
	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:
7610

7611 7612 7613 7614
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);
Y
Yaniv Rosner 已提交
7615

7616 7617 7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634 7635 7636 7637 7638 7639 7640 7641 7642 7643 7644 7645 7646
		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
7647 7648
}

7649 7650 7651 7652 7653 7654 7655 7656 7657 7658 7659 7660
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
7661 7662 7663
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
7664 7665
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7666 7667 7668
	u16 val = 0;
	u16 i;
	if (byte_cnt > 16) {
7669 7670
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7671 7672 7673
		return -EINVAL;
	}
	/* Set the read command byte count */
7674
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7675
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
7676
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
7677

Y
Yaniv Rosner 已提交
7678 7679 7680
	/* 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
7681
			 addr);
Y
Yaniv Rosner 已提交
7682

Y
Yaniv Rosner 已提交
7683
	/* Activate read command */
7684
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7685
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
7686
			 0x2c0f);
Y
Yaniv Rosner 已提交
7687

Y
Yaniv Rosner 已提交
7688 7689 7690
	/* 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
7691 7692
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7693 7694 7695 7696
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7697 7698
	}

Y
Yaniv Rosner 已提交
7699 7700 7701 7702 7703 7704
	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;
7705
	}
Y
Yaniv Rosner 已提交
7706

Y
Yaniv Rosner 已提交
7707 7708
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
7709
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7710 7711
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7712
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7713
	}
Y
Yaniv Rosner 已提交
7714

Y
Yaniv Rosner 已提交
7715 7716
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7717 7718
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7719 7720
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7721
			return 0;
Y
Yaniv Rosner 已提交
7722 7723 7724
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
7725
}
E
Eilon Greenstein 已提交
7726

7727 7728 7729 7730 7731 7732 7733 7734 7735 7736 7737 7738 7739 7740
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;
	/*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
					" addr %d, cnt %d\n",
					addr, byte_cnt);*/
	if (byte_cnt > 16) {
7741 7742
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 16 bytes\n");
7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753 7754 7755 7756 7757 7758 7759 7760 7761 7762
		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
7763 7764 7765
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
7766 7767
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7768
	u16 val, i;
Y
Yaniv Rosner 已提交
7769

Y
Yaniv Rosner 已提交
7770
	if (byte_cnt > 16) {
7771 7772
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7773 7774
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
7775

Y
Yaniv Rosner 已提交
7776 7777
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7778 7779 7780
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
7781

Y
Yaniv Rosner 已提交
7782
	/* Set the read command byte count */
7783
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7784 7785 7786
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
7787

Y
Yaniv Rosner 已提交
7788
	/* Set the read command address */
7789
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7790 7791 7792
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
7793
	/* Set the destination address */
7794
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7795 7796 7797
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7798

Y
Yaniv Rosner 已提交
7799
	/* Activate read command */
7800
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7801 7802 7803
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
7804 7805 7806 7807
	/*
	 * Wait appropriate time for two-wire command to finish before
	 * polling the status register
	 */
Y
Yaniv Rosner 已提交
7808
	msleep(1);
E
Eilon Greenstein 已提交
7809

Y
Yaniv Rosner 已提交
7810 7811
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
7812
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7813 7814
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7815 7816 7817 7818
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7819
	}
E
Eilon Greenstein 已提交
7820

Y
Yaniv Rosner 已提交
7821 7822 7823 7824 7825
	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));
7826
		return -EFAULT;
Y
Yaniv Rosner 已提交
7827
	}
7828

Y
Yaniv Rosner 已提交
7829 7830 7831
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7832 7833
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7834 7835
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
7836

Y
Yaniv Rosner 已提交
7837 7838
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7839 7840
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7841 7842
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7843
			return 0;
Y
Yaniv Rosner 已提交
7844
		msleep(1);
7845 7846
	}

Y
Yaniv Rosner 已提交
7847
	return -EINVAL;
Y
Yaniv Rosner 已提交
7848 7849
}

Y
Yaniv Rosner 已提交
7850 7851 7852
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
7853
{
Y
Yaniv Rosner 已提交
7854
	int rc = -EINVAL;
Y
Yaniv Rosner 已提交
7855 7856 7857 7858 7859 7860 7861 7862 7863 7864
	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;
7865 7866 7867 7868
	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
7869 7870
	}
	return rc;
Y
Yaniv Rosner 已提交
7871 7872
}

Y
Yaniv Rosner 已提交
7873 7874 7875
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			      struct link_params *params,
			      u16 *edc_mode)
Y
Yaniv Rosner 已提交
7876 7877
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7878
	u32 sync_offset = 0, phy_idx, media_types;
Y
Yaniv Rosner 已提交
7879 7880
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
7881

Y
Yaniv Rosner 已提交
7882
	phy->media_type = ETH_PHY_UNSPECIFIED;
Y
Yaniv Rosner 已提交
7883 7884 7885 7886 7887 7888 7889 7890 7891
	/* 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;
	}
7892

Y
Yaniv Rosner 已提交
7893 7894 7895 7896
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
Y
Yaniv Rosner 已提交
7897
		phy->media_type = ETH_PHY_DA_TWINAX;
7898 7899 7900 7901
		/*
		 * Check if its active cable (includes SFP+ module)
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
7902 7903 7904 7905
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
7906
					       &copper_module_type) != 0) {
Y
Yaniv Rosner 已提交
7907 7908 7909 7910 7911
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7912

Y
Yaniv Rosner 已提交
7913 7914 7915 7916 7917 7918
		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) {
7919 7920
				DP(NETIF_MSG_LINK,
				   "Passive Copper cable detected\n");
Y
Yaniv Rosner 已提交
7921 7922 7923
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
7924 7925 7926
			DP(NETIF_MSG_LINK,
			   "Unknown copper-cable-type 0x%x !!!\n",
			   copper_module_type);
Y
Yaniv Rosner 已提交
7927 7928 7929
			return -EINVAL;
		}
		break;
7930
	}
Y
Yaniv Rosner 已提交
7931
	case SFP_EEPROM_CON_TYPE_VAL_LC:
Y
Yaniv Rosner 已提交
7932
		phy->media_type = ETH_PHY_SFP_FIBER;
Y
Yaniv Rosner 已提交
7933 7934 7935 7936 7937 7938 7939
		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;
7940
	}
Y
Yaniv Rosner 已提交
7941 7942 7943 7944 7945 7946 7947 7948 7949 7950 7951 7952 7953 7954 7955 7956
	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
7957 7958 7959 7960 7961 7962 7963
	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) {
7964 7965
			DP(NETIF_MSG_LINK,
			   "Failed to read Option field from module EEPROM\n");
Y
Yaniv Rosner 已提交
7966 7967 7968 7969 7970 7971
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
7972
	}
Y
Yaniv Rosner 已提交
7973
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7974
	return 0;
Y
Yaniv Rosner 已提交
7975
}
7976 7977 7978 7979
/*
 * This function read the relevant field from the module (SFP+), and verify it
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
7980 7981
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				   struct link_params *params)
Y
Yaniv Rosner 已提交
7982 7983
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7984 7985
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
7986 7987
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
7988
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
7989 7990 7991 7992 7993 7994 7995 7996
	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
7997

Y
Yaniv Rosner 已提交
7998 7999 8000 8001 8002 8003 8004 8005
	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)) {
8006 8007
			DP(NETIF_MSG_LINK,
			   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
8008 8009 8010 8011 8012
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
8013 8014
		DP(NETIF_MSG_LINK,
		   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
8015 8016
		return -EINVAL;
	}
8017

Y
Yaniv Rosner 已提交
8018 8019
	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
8020 8021 8022 8023
	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
8024

Y
Yaniv Rosner 已提交
8025 8026 8027
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
8028 8029 8030
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
8031 8032 8033 8034 8035
		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
8036 8037 8038
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
8039 8040 8041 8042
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

8043 8044 8045
	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
			      " Port %d from %s part number %s\n",
			 params->port, vendor_name, vendor_pn);
Y
Yaniv Rosner 已提交
8046
	phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
8047
	return -EINVAL;
Y
Yaniv Rosner 已提交
8048
}
8049

Y
Yaniv Rosner 已提交
8050 8051
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						 struct link_params *params)
8052

E
Eilon Greenstein 已提交
8053
{
Y
Yaniv Rosner 已提交
8054
	u8 val;
E
Eilon Greenstein 已提交
8055
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8056
	u16 timeout;
8057 8058 8059 8060 8061
	/*
	 * Initialization time after hot-plug may take up to 300ms for
	 * some phys type ( e.g. JDSU )
	 */

Y
Yaniv Rosner 已提交
8062 8063 8064
	for (timeout = 0; timeout < 60; timeout++) {
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
8065 8066 8067
			DP(NETIF_MSG_LINK,
			   "SFP+ module initialization took %d ms\n",
			   timeout * 5);
Y
Yaniv Rosner 已提交
8068 8069 8070 8071 8072 8073
			return 0;
		}
		msleep(5);
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
8074

Y
Yaniv Rosner 已提交
8075 8076 8077 8078 8079 8080
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;
	/*
8081
	 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
8082 8083
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
8084 8085
	 * 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
8086 8087
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
8088
	 *
Y
Yaniv Rosner 已提交
8089 8090 8091 8092 8093
	 * 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;
8094
	if (is_power_up)
Y
Yaniv Rosner 已提交
8095 8096 8097 8098 8099 8100
		val = (1<<4);
	else
		/*
		 * Set GPIO control to OUTPUT, and set the power bit
		 * to according to the is_power_up
		 */
8101
		val = (1<<1);
E
Eilon Greenstein 已提交
8102

Y
Yaniv Rosner 已提交
8103 8104 8105 8106 8107
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
8108

Y
Yaniv Rosner 已提交
8109 8110 8111
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8112 8113
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
8114

Y
Yaniv Rosner 已提交
8115
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8116 8117 8118
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
8119 8120 8121 8122
	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
8123
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
8124
		bnx2x_cl45_write(bp, phy,
8125
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
8126 8127 8128
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
8129

Y
Yaniv Rosner 已提交
8130
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
8131

8132 8133 8134 8135
		/*
		 * Changing to LRM mode takes quite few seconds. So do it only
		 * if current mode is limiting (default is LRM)
		 */
Y
Yaniv Rosner 已提交
8136 8137
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
8138

Y
Yaniv Rosner 已提交
8139
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8140 8141 8142
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
8143
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8144 8145 8146
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
8147
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8148 8149 8150
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
8151
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8152 8153 8154
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
8155
	}
Y
Yaniv Rosner 已提交
8156
	return 0;
E
Eilon Greenstein 已提交
8157 8158
}

Y
Yaniv Rosner 已提交
8159 8160 8161
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8162
{
Y
Yaniv Rosner 已提交
8163 8164
	u16 phy_identifier;
	u16 rom_ver2_val;
8165
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8166 8167 8168
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
8169

Y
Yaniv Rosner 已提交
8170
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8171 8172 8173
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
8174

8175
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8176 8177 8178
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
8179 8180
	/* 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
8181 8182 8183
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
8184

Y
Yaniv Rosner 已提交
8185
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8186 8187 8188
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
8189

Y
Yaniv Rosner 已提交
8190
	return 0;
Y
Yaniv Rosner 已提交
8191
}
Y
Yaniv Rosner 已提交
8192

Y
Yaniv Rosner 已提交
8193 8194 8195 8196 8197 8198 8199 8200
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:
8201
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8202 8203 8204
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8205
			bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8206 8207 8208 8209 8210 8211 8212 8213
		break;
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

8214
static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8215 8216 8217 8218 8219 8220 8221 8222 8223 8224 8225 8226 8227 8228 8229 8230 8231 8232 8233 8234 8235 8236 8237 8238 8239 8240 8241 8242 8243 8244 8245
					   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);
	}
}

8246 8247 8248 8249 8250 8251 8252 8253 8254 8255 8256 8257 8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272 8273 8274 8275 8276 8277 8278 8279 8280 8281 8282 8283 8284 8285 8286 8287 8288
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)) {
		/*
		 * Low ==> if SFP+ module is supported otherwise
		 * 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;
8289 8290 8291

	if (pin_cfg == PIN_CFG_NA)
		return;
8292 8293 8294 8295 8296 8297 8298 8299 8300
	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
		       power, pin_cfg);
	/*
	 * Low ==> corresponding SFP+ module is powered
	 * high ==> the SFP+ module is powered down
	 */
	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
}

8301 8302 8303
static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
				    struct link_params *params)
{
8304
	struct bnx2x *bp = params->bp;
8305
	bnx2x_warpcore_power_module(params, phy, 0);
8306 8307 8308 8309 8310 8311 8312
	/* 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);
8313 8314
}

Y
Yaniv Rosner 已提交
8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326
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;
8327 8328 8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340 8341 8342 8343 8344 8345 8346 8347 8348 8349 8350 8351 8352 8353 8354 8355
	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
8356 8357 8358
	default:
		break;
	}
8359 8360 8361 8362 8363 8364 8365 8366

	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);

8367 8368 8369
	/* Restart microcode to re-read the new mode */
	bnx2x_warpcore_reset_lane(bp, phy, 1);
	bnx2x_warpcore_reset_lane(bp, phy, 0);
8370

Y
Yaniv Rosner 已提交
8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384
}

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;
8385 8386 8387
	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
8388 8389 8390
	}
}

Y
Yaniv Rosner 已提交
8391 8392
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
			       struct link_params *params)
Y
Yaniv Rosner 已提交
8393 8394
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8395
	u16 edc_mode;
Y
Yaniv Rosner 已提交
8396
	int rc = 0;
Y
Yaniv Rosner 已提交
8397

Y
Yaniv Rosner 已提交
8398 8399 8400
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
8401

Y
Yaniv Rosner 已提交
8402 8403
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
Y
Yaniv Rosner 已提交
8404 8405
	/* Power up module */
	bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
8406 8407 8408
	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
8409
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yaniv Rosner 已提交
8410 8411 8412 8413
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
8414 8415 8416
		bnx2x_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

Y
Yaniv Rosner 已提交
8417 8418 8419
		/* 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
8420
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Y
Yaniv Rosner 已提交
8421
			bnx2x_power_sfp_module(params, phy, 0);
Y
Yaniv Rosner 已提交
8422 8423 8424 8425
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
8426
		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8427
	}
Y
Yaniv Rosner 已提交
8428

8429 8430 8431 8432
	/*
	 * Check and set limiting mode / LRM mode on 8726. On 8727 it
	 * is done automatically
	 */
Y
Yaniv Rosner 已提交
8433 8434
	bnx2x_set_limiting_mode(params, phy, edc_mode);

Y
Yaniv Rosner 已提交
8435 8436 8437 8438 8439 8440 8441
	/*
	 * Enable transmit for this module if the module is approved, or
	 * if unapproved modules should also enable the Tx laser
	 */
	if (rc == 0 ||
	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
8442
		bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8443
	else
8444
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8445

Y
Yaniv Rosner 已提交
8446 8447 8448 8449
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
8450 8451
{
	struct bnx2x *bp = params->bp;
8452
	struct bnx2x_phy *phy;
Y
Yaniv Rosner 已提交
8453
	u32 gpio_val;
8454 8455 8456 8457 8458 8459 8460 8461 8462 8463 8464 8465
	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
8466

Y
Yaniv Rosner 已提交
8467
	/* Set valid module led off */
8468
	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
E
Eilon Greenstein 已提交
8469

8470
	/* Get current gpio val reflecting module plugged in / out*/
8471
	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8472

Y
Yaniv Rosner 已提交
8473 8474
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
Y
Yaniv Rosner 已提交
8475
		bnx2x_power_sfp_module(params, phy, 1);
8476
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8477
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8478
				   gpio_port);
Y
Yaniv Rosner 已提交
8479 8480 8481 8482 8483 8484
		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
8485 8486 8487
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
8488
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8489
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8490
				   gpio_port);
8491 8492 8493 8494
		/*
		 * Module was plugged out.
		 * Disable transmit for this module
		 */
Y
Yaniv Rosner 已提交
8495
		phy->media_type = ETH_PHY_NOT_PRESENT;
Y
Yaniv Rosner 已提交
8496 8497 8498
		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
		    CHIP_IS_E3(bp))
8499
			bnx2x_sfp_set_transmitter(params, phy, 0);
8500
	}
Y
Yaniv Rosner 已提交
8501
}
8502

8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517 8518 8519 8520 8521 8522 8523 8524 8525
/******************************************************************/
/*		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
8526 8527 8528 8529 8530 8531 8532 8533 8534 8535 8536 8537
/******************************************************************/
/*		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*/
8538
	bnx2x_cl45_read(bp, phy,
8539
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8540

8541 8542
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
8543

Y
Yaniv Rosner 已提交
8544 8545
	/* clear LASI indication*/
	bnx2x_cl45_read(bp, phy,
8546
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
8547
	bnx2x_cl45_read(bp, phy,
8548
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
8549
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8550 8551

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8552 8553 8554 8555 8556 8557 8558
			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);
8559

Y
Yaniv Rosner 已提交
8560 8561
	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);
8562 8563 8564
	/*
	 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
	 * are set, or if the autoneg bit 1 is set
Y
Yaniv Rosner 已提交
8565 8566 8567 8568 8569 8570 8571
	 */
	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;
8572
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8573
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
8574
	}
8575 8576 8577 8578

	/* Capture 10G link fault. Read twice to clear stale value. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8579
			    MDIO_PMA_LASI_TXSTAT, &val1);
8580
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8581
			    MDIO_PMA_LASI_TXSTAT, &val1);
8582 8583 8584 8585
		if (val1 & (1<<0))
			vars->fault_detected = 1;
	}

8586
	return link_up;
Y
Yaniv Rosner 已提交
8587
}
8588

Y
Yaniv Rosner 已提交
8589 8590 8591 8592
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8593 8594 8595
				 struct link_params *params,
				 struct link_vars *vars)
{
8596 8597
	u32 tx_en_mode;
	u16 cnt, val, tmp1;
Y
Yaniv Rosner 已提交
8598
	struct bnx2x *bp = params->bp;
8599

Y
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8600
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8601
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
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8602 8603 8604
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8605
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8606

Y
Yaniv Rosner 已提交
8607 8608 8609 8610 8611 8612 8613 8614 8615 8616 8617 8618 8619 8620 8621 8622 8623 8624 8625 8626 8627 8628 8629 8630 8631 8632 8633 8634 8635 8636
	/* 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
8637

Y
Yaniv Rosner 已提交
8638 8639 8640 8641
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
8642
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8643 8644 8645
				 0);
		/* Arm LASI for link and Tx fault. */
		bnx2x_cl45_write(bp, phy,
8646
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Y
Yaniv Rosner 已提交
8647
	} else {
L
Lucas De Marchi 已提交
8648
		/* Force 1Gbps using autoneg with 1G advertisement */
Y
Yaniv Rosner 已提交
8649

Y
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8650 8651 8652 8653
		/* 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
8654

L
Lucas De Marchi 已提交
8655
		/* Enable Full-Duplex advertisement on CL37 */
Y
Yaniv Rosner 已提交
8656 8657 8658 8659 8660 8661 8662 8663
		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
8664

Y
Yaniv Rosner 已提交
8665 8666 8667 8668
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
8669
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8670 8671
				 0x0400);
		bnx2x_cl45_write(bp, phy,
8672
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
8673 8674 8675
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8676 8677 8678 8679 8680 8681 8682 8683 8684 8685 8686 8687 8688 8689 8690 8691 8692 8693 8694 8695

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

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

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

Y
Yaniv Rosner 已提交
8696 8697
	return 0;
}
Y
Yaniv Rosner 已提交
8698

Y
Yaniv Rosner 已提交
8699 8700 8701
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8702 8703 8704
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
Yaniv Rosner 已提交
8705

Y
Yaniv Rosner 已提交
8706 8707 8708 8709 8710 8711 8712 8713 8714 8715
/******************************************************************/
/*			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);
}
8716

Y
Yaniv Rosner 已提交
8717 8718 8719 8720 8721 8722
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);
8723

Y
Yaniv Rosner 已提交
8724 8725 8726
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8727

Y
Yaniv Rosner 已提交
8728 8729
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8730 8731 8732
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8733

Y
Yaniv Rosner 已提交
8734
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8735 8736
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
8737

Y
Yaniv Rosner 已提交
8738
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8739 8740 8741
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
8742 8743 8744 8745 8746 8747

	/* 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
8748 8749
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
8750 8751 8752

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
Yaniv Rosner 已提交
8753 8754
}

Y
Yaniv Rosner 已提交
8755
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8756 8757 8758 8759
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8760 8761
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8762 8763
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8764 8765 8766 8767 8768 8769 8770
				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;
		}
8771 8772
	}
	return link_up;
Y
Yaniv Rosner 已提交
8773 8774
}

Y
Yaniv Rosner 已提交
8775

Y
Yaniv Rosner 已提交
8776 8777 8778
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8779 8780
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8781
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8782

Y
Yaniv Rosner 已提交
8783
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8784
	bnx2x_wait_reset_complete(bp, phy, params);
8785

Y
Yaniv Rosner 已提交
8786
	bnx2x_8726_external_rom_boot(phy, params);
8787

8788 8789 8790 8791 8792 8793
	/*
	 * Need to call module detected on initialization since the module
	 * detection triggered by actual module insertion might occur before
	 * driver is loaded, and when driver is loaded, it reset all
	 * registers, including the transmitter
	 */
Y
Yaniv Rosner 已提交
8794
	bnx2x_sfp_module_detection(phy, params);
8795

Y
Yaniv Rosner 已提交
8796 8797 8798 8799 8800 8801 8802
	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,
8803
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Y
Yaniv Rosner 已提交
8804
		bnx2x_cl45_write(bp, phy,
8805
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823 8824 8825
				 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);
8826 8827 8828 8829
		/*
		 * Enable RX-ALARM control to receive interrupt for 1G speed
		 * change
		 */
Y
Yaniv Rosner 已提交
8830
		bnx2x_cl45_write(bp, phy,
8831
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Y
Yaniv Rosner 已提交
8832
		bnx2x_cl45_write(bp, phy,
8833
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8834
				 0x400);
8835

Y
Yaniv Rosner 已提交
8836 8837
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
8838
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8839 8840
	}

Y
Yaniv Rosner 已提交
8841 8842 8843
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8844 8845
		DP(NETIF_MSG_LINK,
		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Y
Yaniv Rosner 已提交
8846 8847 8848 8849 8850 8851
			 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]);
8852

Y
Yaniv Rosner 已提交
8853 8854 8855 8856 8857
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
8858

Y
Yaniv Rosner 已提交
8859
	return 0;
8860

Y
Yaniv Rosner 已提交
8861 8862
}

Y
Yaniv Rosner 已提交
8863 8864
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
8865
{
Y
Yaniv Rosner 已提交
8866 8867 8868 8869 8870 8871 8872 8873 8874 8875 8876
	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			  */
/******************************************************************/
8877 8878 8879 8880 8881 8882 8883 8884 8885 8886 8887 8888 8889 8890 8891 8892 8893 8894 8895 8896 8897 8898 8899 8900 8901 8902 8903 8904 8905 8906 8907 8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923

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
8924 8925 8926 8927
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
8928
	/*
Y
Yaniv Rosner 已提交
8929 8930
	 * The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
8931
	 */
Y
Yaniv Rosner 已提交
8932 8933 8934 8935 8936
	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
8937
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8938
}
Y
Yaniv Rosner 已提交
8939

Y
Yaniv Rosner 已提交
8940 8941 8942
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8943
{
8944 8945
	u32 tx_en_mode;
	u16 tmp1, val, mod_abs, tmp2;
Y
Yaniv Rosner 已提交
8946 8947
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
Yaniv Rosner 已提交
8948
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8949
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
Yaniv Rosner 已提交
8950

8951
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8952
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
8953 8954
	/* Should be 0x6 to enable XS on Tx side. */
	lasi_ctrl_val = 0x0006;
Y
Yaniv Rosner 已提交
8955

Y
Yaniv Rosner 已提交
8956 8957 8958
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
8959
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8960
			 rx_alarm_ctrl_val);
8961
	bnx2x_cl45_write(bp, phy,
8962
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8963
			 0);
Y
Yaniv Rosner 已提交
8964
	bnx2x_cl45_write(bp, phy,
8965
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
Y
Yaniv Rosner 已提交
8966

8967 8968 8969 8970
	/*
	 * Initially configure MOD_ABS to interrupt when module is
	 * presence( bit 8)
	 */
Y
Yaniv Rosner 已提交
8971 8972
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
8973 8974 8975 8976 8977
	/*
	 * 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'
	 */
8978 8979 8980
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
8981 8982
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
8983 8984


8985 8986 8987
	/* Enable/Disable PHY transmitter output */
	bnx2x_set_disable_pmd_transmit(params, phy, 0);

Y
Yaniv Rosner 已提交
8988 8989 8990 8991
	/* 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);
8992 8993
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
Yaniv Rosner 已提交
8994

8995
	/*
8996 8997 8998 8999 9000
	 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
	 * status which reflect SFP+ module over-current
	 */
	if (!(phy->flags & FLAGS_NOC))
		val &= 0xff8f; /* Reset bits 4-6 */
Y
Yaniv Rosner 已提交
9001 9002
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
Yaniv Rosner 已提交
9003

Y
Yaniv Rosner 已提交
9004 9005 9006 9007 9008 9009
	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,
9010
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Y
Yaniv Rosner 已提交
9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 9021

	/* 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);
9022
		/*
Y
Yaniv Rosner 已提交
9023 9024 9025 9026 9027 9028 9029 9030 9031 9032 9033 9034
		 * Power down the XAUI until link is up in case of dual-media
		 * and 1G
		 */
		if (DUAL_MEDIA(params)) {
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8727_PCS_GP, &val);
			val |= (3<<10);
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8727_PCS_GP, val);
		}
Y
Yaniv Rosner 已提交
9035 9036 9037 9038 9039 9040 9041 9042 9043 9044 9045 9046 9047
	} 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 {
9048
		/*
Y
Yaniv Rosner 已提交
9049 9050 9051 9052 9053 9054 9055 9056 9057 9058 9059 9060 9061
		 * Since the 8727 has only single reset pin, need to set the 10G
		 * registers although it is default
		 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
				 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
				 0x0008);
Y
Yaniv Rosner 已提交
9062 9063
	}

9064 9065
	/*
	 * Set 2-wire transfer rate of SFP+ module EEPROM
Y
Yaniv Rosner 已提交
9066 9067 9068 9069 9070 9071
	 * 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
9072

Y
Yaniv Rosner 已提交
9073 9074 9075 9076 9077 9078 9079 9080 9081
	/* 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
9082

Y
Yaniv Rosner 已提交
9083 9084 9085 9086
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
Yaniv Rosner 已提交
9087

9088 9089 9090 9091 9092 9093 9094 9095 9096 9097 9098 9099 9100 9101 9102 9103 9104 9105 9106 9107
	/*
	 * If TX Laser is controlled by GPIO_0, do not let PHY go into low
	 * power mode, if TX Laser is disabled
	 */
	tx_en_mode = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
				dev_info.port_hw_config[params->port].sfp_ctrl))
			& PORT_HW_CFG_TX_LASER_MASK;

	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {

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

Y
Yaniv Rosner 已提交
9108
	return 0;
Y
Yaniv Rosner 已提交
9109 9110
}

Y
Yaniv Rosner 已提交
9111 9112
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
Yaniv Rosner 已提交
9113 9114
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9115 9116 9117 9118 9119 9120
	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
9121 9122
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
Yaniv Rosner 已提交
9123
	if (mod_abs & (1<<8)) {
Y
Yaniv Rosner 已提交
9124

Y
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9125
		/* Module is absent */
9126 9127
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is absent\n");
Y
Yaniv Rosner 已提交
9128
		phy->media_type = ETH_PHY_NOT_PRESENT;
9129 9130 9131 9132 9133 9134 9135 9136
		/*
		 * 1. Set mod_abs to detect next module
		 *    presence event
		 * 2. Set EDC off by setting OPTXLOS signal input to low
		 *    (bit 9).
		 *    When the EDC is off it locks onto a reference clock and
		 *    avoids becoming 'lost'.
		 */
9137 9138 9139
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
9140
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9141 9142
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9143

9144 9145 9146 9147
		/*
		 * Clear RX alarm since it stays up as long as
		 * the mod_abs wasn't changed
		 */
Y
Yaniv Rosner 已提交
9148
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
9149
				MDIO_PMA_DEVAD,
9150
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9151

Y
Yaniv Rosner 已提交
9152 9153
	} else {
		/* Module is present */
9154 9155
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is present\n");
9156 9157 9158 9159 9160 9161 9162 9163
		/*
		 * First disable transmitter, and if the module is ok, the
		 * module_detection will enable it
		 * 1. Set mod_abs to detect next module absent event ( bit 8)
		 * 2. Restore the default polarity of the OPRXLOS signal and
		 * this signal will then correctly indicate the presence or
		 * absence of the Rx signal. (bit 9)
		 */
9164 9165 9166
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
9167
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9168 9169
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9170

9171 9172 9173 9174 9175 9176
		/*
		 * Clear RX alarm since it stays up as long as the mod_abs
		 * wasn't changed. This is need to be done before calling the
		 * module detection, otherwise it will clear* the link update
		 * alarm
		 */
Y
Yaniv Rosner 已提交
9177 9178
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
9179
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9180 9181


Y
Yaniv Rosner 已提交
9182 9183
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9184
			bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9185 9186 9187 9188 9189

		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
9190
	}
Y
Yaniv Rosner 已提交
9191 9192

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9193 9194
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
Yaniv Rosner 已提交
9195 9196
}

Y
Yaniv Rosner 已提交
9197 9198 9199 9200
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
9201 9202
{
	struct bnx2x *bp = params->bp;
9203
	u8 link_up = 0, oc_port = params->port;
Y
Yaniv Rosner 已提交
9204
	u16 link_status = 0;
Y
Yaniv Rosner 已提交
9205 9206 9207 9208
	u16 rx_alarm_status, lasi_ctrl, val1;

	/* If PHY is not initialized, do not check link status */
	bnx2x_cl45_read(bp, phy,
9209
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
9210 9211 9212 9213
			&lasi_ctrl);
	if (!lasi_ctrl)
		return 0;

9214
	/* Check the LASI on Rx */
Y
Yaniv Rosner 已提交
9215
	bnx2x_cl45_read(bp, phy,
9216
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Y
Yaniv Rosner 已提交
9217 9218 9219 9220
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

9221 9222
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
9223

Y
Yaniv Rosner 已提交
9224
	bnx2x_cl45_read(bp, phy,
9225
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
9226 9227 9228 9229 9230 9231 9232

	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);

9233
	/*
Y
Yaniv Rosner 已提交
9234 9235 9236 9237 9238 9239 9240 9241 9242 9243
	 * If a module is present and there is need to check
	 * for over current
	 */
	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
		/* Check over-current using 8727 GPIO0 input*/
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
				&val1);

		if ((val1 & (1<<8)) == 0) {
9244 9245
			if (!CHIP_IS_E1x(bp))
				oc_port = BP_PATH(bp) + (params->port << 1);
9246 9247 9248
			DP(NETIF_MSG_LINK,
			   "8727 Power fault has been detected on port %d\n",
			   oc_port);
Y
Yaniv Rosner 已提交
9249 9250 9251 9252 9253 9254 9255
			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",
9256
			 oc_port);
9257
			/* Disable all RX_ALARMs except for mod_abs */
Y
Yaniv Rosner 已提交
9258 9259
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
9260
					 MDIO_PMA_LASI_RXCTRL, (1<<5));
Y
Yaniv Rosner 已提交
9261 9262 9263 9264 9265 9266 9267 9268 9269 9270 9271 9272

			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,
9273
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9274 9275 9276 9277 9278 9279 9280 9281 9282
			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,
9283
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
9284 9285
				 ((1<<5) | (1<<2)));
	}
Y
Yaniv Rosner 已提交
9286 9287
	DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
	bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Y
Yaniv Rosner 已提交
9288 9289 9290 9291 9292 9293 9294 9295 9296 9297 9298 9299
	/* If transmitter is disabled, ignore false link up indication */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
	if (val1 & (1<<15)) {
		DP(NETIF_MSG_LINK, "Tx is disabled\n");
		return 0;
	}

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

9300 9301 9302 9303
	/*
	 * Bits 0..2 --> speed detected,
	 * Bits 13..15--> link is down
	 */
Y
Yaniv Rosner 已提交
9304 9305 9306
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
9307 9308
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
9309 9310 9311 9312 9313 9314 9315 9316 9317 9318
	} 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);
	}
9319 9320 9321 9322

	/* Capture 10G link fault. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9323
			    MDIO_PMA_LASI_TXSTAT, &val1);
9324 9325

		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9326
			    MDIO_PMA_LASI_TXSTAT, &val1);
9327 9328 9329 9330 9331 9332

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

9333
	if (link_up) {
Y
Yaniv Rosner 已提交
9334
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9335 9336 9337
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
Yaniv Rosner 已提交
9338 9339 9340 9341 9342 9343

	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);
9344
		/*
Y
Yaniv Rosner 已提交
9345 9346 9347 9348 9349 9350 9351 9352 9353 9354 9355
		 * In case of dual-media board and 1G, power up the XAUI side,
		 * otherwise power it down. For 10G it is done automatically
		 */
		if (link_up)
			val1 &= ~(3<<10);
		else
			val1 |= (3<<10);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8727_PCS_GP, val1);
	}
Y
Yaniv Rosner 已提交
9356
	return link_up;
Y
Yaniv Rosner 已提交
9357
}
Y
Yaniv Rosner 已提交
9358

Y
Yaniv Rosner 已提交
9359 9360
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
9361 9362
{
	struct bnx2x *bp = params->bp;
9363 9364 9365 9366

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

Y
Yaniv Rosner 已提交
9367
	/* Disable Transmitter */
9368
	bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9369
	/* Clear LASI */
9370
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Y
Yaniv Rosner 已提交
9371

Y
Yaniv Rosner 已提交
9372
}
9373

Y
Yaniv Rosner 已提交
9374 9375 9376 9377
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9378 9379
					    struct bnx2x *bp,
					    u8 port)
Y
Yaniv Rosner 已提交
9380
{
Y
Yaniv Rosner 已提交
9381
	u16 val, fw_ver1, fw_ver2, cnt;
Y
Yaniv Rosner 已提交
9382

9383 9384 9385 9386 9387 9388 9389 9390 9391 9392 9393 9394 9395 9396 9397 9398 9399 9400 9401 9402 9403 9404 9405 9406 9407 9408 9409
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
		bnx2x_save_spirom_version(bp, port,
				((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
				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;
		}
9410

Y
Yaniv Rosner 已提交
9411

9412 9413 9414 9415 9416 9417 9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428
		/* 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
9429

9430 9431 9432 9433
		/* 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
9434

9435
		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Y
Yaniv Rosner 已提交
9436
					  phy->ver_addr);
Y
Yaniv Rosner 已提交
9437 9438
	}

Y
Yaniv Rosner 已提交
9439 9440 9441
}
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
9442
{
9443
	u16 val, offset;
Y
Yaniv Rosner 已提交
9444

Y
Yaniv Rosner 已提交
9445 9446 9447
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9448
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Y
Yaniv Rosner 已提交
9449 9450
	val &= 0xFE00;
	val |= 0x0092;
9451

Y
Yaniv Rosner 已提交
9452 9453
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9454
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
9455

Y
Yaniv Rosner 已提交
9456 9457
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9458
			 MDIO_PMA_REG_8481_LED1_MASK,
Y
Yaniv Rosner 已提交
9459
			 0x80);
Y
Yaniv Rosner 已提交
9460

Y
Yaniv Rosner 已提交
9461 9462
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9463
			 MDIO_PMA_REG_8481_LED2_MASK,
Y
Yaniv Rosner 已提交
9464
			 0x18);
Y
Yaniv Rosner 已提交
9465

Y
Yaniv Rosner 已提交
9466
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
Yaniv Rosner 已提交
9467 9468
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9469
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
Yaniv Rosner 已提交
9470 9471 9472 9473 9474
			 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
9475
			MDIO_PMA_REG_8481_LED3_BLINK,
Y
Yaniv Rosner 已提交
9476 9477
			0);

9478 9479
	/* Configure the blink rate to ~15.9 Hz */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9480
			MDIO_PMA_DEVAD,
9481 9482
			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
Y
Yaniv Rosner 已提交
9483

9484 9485 9486 9487 9488 9489 9490 9491
	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
9492
	bnx2x_cl45_write(bp, phy,
9493
			 MDIO_PMA_DEVAD, offset, val);
Y
Yaniv Rosner 已提交
9494

Y
Yaniv Rosner 已提交
9495 9496 9497 9498
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
9499 9500
}

Y
Yaniv Rosner 已提交
9501 9502 9503
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
9504
{
9505
	struct bnx2x *bp = params->bp;
9506
	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
Y
Yaniv Rosner 已提交
9507

9508
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9509 9510 9511
		/* Save spirom version */
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
	}
9512 9513 9514 9515 9516
	/*
	 * This phy uses the NIG latch mechanism since link indication
	 * arrives through its LED4 and not via its LASI signal, so we
	 * get steady signal instead of clear on read
	 */
Y
Yaniv Rosner 已提交
9517 9518
	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
9519

Y
Yaniv Rosner 已提交
9520 9521
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
9522

Y
Yaniv Rosner 已提交
9523
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
9524

Y
Yaniv Rosner 已提交
9525 9526 9527 9528
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
9529

Y
Yaniv Rosner 已提交
9530 9531 9532 9533 9534 9535 9536 9537 9538 9539 9540
	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
9541

Y
Yaniv Rosner 已提交
9542 9543 9544 9545 9546 9547 9548 9549 9550 9551 9552
	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
9553

Y
Yaniv Rosner 已提交
9554 9555 9556
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
9557

9558
	/* set 100 speed advertisement */
9559
	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Y
Yaniv Rosner 已提交
9560
	     (phy->speed_cap_mask &
9561
	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9562
	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Y
Yaniv Rosner 已提交
9563 9564 9565
		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
9566

Y
Yaniv Rosner 已提交
9567 9568 9569 9570 9571 9572
		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) &&
9573 9574 9575 9576 9577 9578
	     (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
9579 9580 9581 9582 9583 9584
		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
9585

Y
Yaniv Rosner 已提交
9586
	/* Only 10/100 are allowed to work in FORCE mode */
9587 9588 9589 9590
	if ((phy->req_line_speed == SPEED_100) &&
	    (phy->supported &
	     (SUPPORTED_100baseT_Half |
	      SUPPORTED_100baseT_Full))) {
Y
Yaniv Rosner 已提交
9591 9592 9593 9594 9595
		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));
9596 9597
		/* The PHY needs this set even for forced link. */
		an_10_100_val |= (1<<8) | (1<<7);
Y
Yaniv Rosner 已提交
9598 9599
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
9600 9601 9602 9603
	if ((phy->req_line_speed == SPEED_10) &&
	    (phy->supported &
	     (SUPPORTED_10baseT_Half |
	      SUPPORTED_10baseT_Full))) {
Y
Yaniv Rosner 已提交
9604 9605 9606 9607 9608 9609
		/* 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
9610

Y
Yaniv Rosner 已提交
9611 9612 9613
	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
9614

Y
Yaniv Rosner 已提交
9615 9616
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
9617

Y
Yaniv Rosner 已提交
9618 9619 9620 9621 9622 9623 9624
	/*
	 * Always write this if this is not 84833.
	 * 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
9625 9626
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
9627

Y
Yaniv Rosner 已提交
9628 9629 9630 9631
	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)) {
9632 9633
			DP(NETIF_MSG_LINK, "Advertising 10G\n");
			/* Restart autoneg for 10G*/
Y
Yaniv Rosner 已提交
9634

9635 9636 9637 9638
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					&an_10g_val);
9639
			bnx2x_cl45_write(bp, phy,
9640 9641 9642 9643 9644 9645
					 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
9646
	} else
Y
Yaniv Rosner 已提交
9647 9648 9649 9650
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
9651

Y
Yaniv Rosner 已提交
9652
	return 0;
Y
Yaniv Rosner 已提交
9653 9654
}

Y
Yaniv Rosner 已提交
9655 9656 9657
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9658 9659
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9660 9661
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
9662
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
9663

Y
Yaniv Rosner 已提交
9664 9665
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
9666
	bnx2x_wait_reset_complete(bp, phy, params);
9667

Y
Yaniv Rosner 已提交
9668 9669 9670
	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
9671

9672 9673 9674
#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
9675
				   struct link_params *params,
9676 9677
		   u16 fw_cmd,
		   u16 cmd_args[])
Y
Yaniv Rosner 已提交
9678 9679 9680 9681 9682 9683
{
	u32 idx;
	u16 val;
	struct bnx2x *bp = params->bp;
	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9684 9685 9686
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9687
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9688 9689
				MDIO_84833_CMD_HDLR_STATUS, &val);
		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
Y
Yaniv Rosner 已提交
9690 9691 9692
			break;
		msleep(1);
	}
9693 9694
	if (idx >= PHY84833_CMDHDLR_WAIT) {
		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
Y
Yaniv Rosner 已提交
9695 9696 9697
		return -EINVAL;
	}

9698 9699 9700 9701 9702 9703
	/* 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
9704
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9705 9706
			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9707
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9708 9709 9710
				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
9711 9712 9713
			break;
		msleep(1);
	}
9714 9715 9716
	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
9717 9718
		return -EINVAL;
	}
9719 9720 9721 9722 9723 9724
	/* 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
9725
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9726 9727
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
Y
Yaniv Rosner 已提交
9728 9729 9730
	return 0;
}

9731

9732 9733 9734 9735 9736 9737 9738 9739 9740 9741 9742 9743 9744 9745 9746 9747 9748 9749 9750 9751 9752 9753 9754 9755 9756 9757 9758 9759 9760
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;
}

9761 9762 9763
static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 chip_id)
9764 9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778 9779 9780 9781 9782 9783 9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795
{
	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]);
	}

9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 9810 9811 9812 9813 9814 9815 9816 9817 9818 9819 9820 9821 9822
	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];
	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
9823
#define PHY84833_CONSTANT_LATENCY 1193
Y
Yaniv Rosner 已提交
9824 9825 9826
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
9827 9828
{
	struct bnx2x *bp = params->bp;
9829
	u8 port, initialize = 1;
Y
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9830
	u16 val;
9831 9832
	u32 actual_phy_selection, cms_enable;
	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Y
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9833
	int rc = 0;
9834

Y
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9835
	msleep(1);
Y
Yaniv Rosner 已提交
9836 9837

	if (!(CHIP_IS_E1(bp)))
9838 9839 9840
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
9841 9842 9843 9844 9845 9846

	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 {
9847
		/* MDIO reset */
Y
Yaniv Rosner 已提交
9848 9849 9850
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
9851 9852 9853 9854 9855 9856
	}

	bnx2x_wait_reset_complete(bp, phy, params);

	/* Wait for GPHY to come out of reset */
	msleep(50);
9857
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9858 9859 9860 9861 9862 9863 9864 9865 9866 9867 9868
		/*
		 * BCM84823 requires that XGXS links up first @ 10G for normal
		 * 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
9869 9870

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Y
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9871
			MDIO_CTL_REG_84823_MEDIA, &val);
Y
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9872 9873 9874 9875 9876
	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);
9877 9878 9879 9880 9881 9882 9883 9884

	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
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9885 9886 9887 9888 9889

	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
9890
		/* Do nothing. Essentially this is like the priority copper */
Y
Yaniv Rosner 已提交
9891 9892 9893 9894 9895 9896 9897 9898 9899 9900 9901 9902 9903 9904 9905 9906 9907 9908 9909
		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
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9910
			 MDIO_CTL_REG_84823_MEDIA, val);
Y
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9911 9912 9913
	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

9914 9915
	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
9916

9917 9918
		/* Keep AutogrEEEn disabled. */
		cmd_args[0] = 0x0;
9919 9920 9921 9922 9923 9924 9925 9926
		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
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9927 9928 9929
	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
9930
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Y
Yaniv Rosner 已提交
9931 9932 9933
	/* 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 +
9934 9935 9936 9937
			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
9938 9939 9940 9941 9942 9943 9944 9945 9946
		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);
	}
9947

9948 9949 9950 9951 9952 9953 9954 9955 9956 9957
	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
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9958
	return rc;
Y
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9959
}
Y
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9960

Y
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9961
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
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9962 9963
				  struct link_params *params,
				  struct link_vars *vars)
Y
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9964 9965
{
	struct bnx2x *bp = params->bp;
Y
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9966
	u16 val, val1, val2;
Y
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9967
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
9968

9969

Y
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9970 9971 9972 9973 9974
	/* 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
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9975
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Y
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9976 9977
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
9978

Y
Yaniv Rosner 已提交
9979 9980
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
9981
		vars->line_speed = SPEED_10000;
9982
		vars->duplex = DUPLEX_FULL;
Y
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9983 9984 9985 9986
		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
9987

Y
Yaniv Rosner 已提交
9988 9989 9990 9991
		/* 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
9992

Y
Yaniv Rosner 已提交
9993 9994 9995 9996 9997
		/* Get legacy speed operation status */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);
Y
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9998

9999 10000
		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
		   legacy_status);
Y
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10001 10002 10003 10004 10005 10006 10007 10008 10009 10010 10011
		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
10012

Y
Yaniv Rosner 已提交
10013 10014 10015 10016
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
10017

10018 10019 10020 10021
			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
10022 10023 10024 10025 10026 10027 10028 10029 10030 10031 10032 10033 10034 10035 10036
			/* 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
10037 10038
		}
	}
Y
Yaniv Rosner 已提交
10039 10040 10041 10042
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10043 10044 10045 10046 10047 10048 10049 10050 10051 10052 10053 10054 10055 10056 10057 10058 10059 10060 10061 10062 10063 10064 10065 10066 10067 10068 10069 10070 10071 10072 10073 10074 10075 10076 10077 10078

		/* 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
10079
	}
E
Eilon Greenstein 已提交
10080

Y
Yaniv Rosner 已提交
10081
	return link_up;
Y
Yaniv Rosner 已提交
10082 10083
}

Y
Yaniv Rosner 已提交
10084 10085

static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10086
{
Y
Yaniv Rosner 已提交
10087
	int status = 0;
Y
Yaniv Rosner 已提交
10088 10089 10090 10091
	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
10092
}
Y
Yaniv Rosner 已提交
10093 10094 10095

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
10096
{
Y
Yaniv Rosner 已提交
10097
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10098
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
Yaniv Rosner 已提交
10099
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10100
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
10101
}
Y
Yaniv Rosner 已提交
10102

Y
Yaniv Rosner 已提交
10103 10104 10105 10106 10107 10108 10109 10110 10111 10112 10113 10114 10115
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;
10116
	u8 port;
10117
	u16 val16;
Y
Yaniv Rosner 已提交
10118 10119

	if (!(CHIP_IS_E1(bp)))
10120 10121 10122
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
10123 10124 10125 10126 10127 10128

	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 {
10129 10130
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
10131 10132
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
		val16 |= MDIO_84833_SUPER_ISOLATE;
Y
Yaniv Rosner 已提交
10133
		bnx2x_cl45_write(bp, phy,
10134 10135
				 MDIO_CTL_DEVAD,
				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Y
Yaniv Rosner 已提交
10136
	}
Y
Yaniv Rosner 已提交
10137 10138
}

10139 10140 10141 10142 10143
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
10144 10145 10146 10147 10148 10149
	u8 port;

	if (!(CHIP_IS_E1(bp)))
		port = BP_PATH(bp);
	else
		port = params->port;
10150 10151 10152 10153

	switch (mode) {
	case LED_MODE_OFF:

Y
Yaniv Rosner 已提交
10154
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10155 10156 10157 10158 10159 10160 10161 10162 10163 10164 10165 10166 10167 10168 10169 10170 10171 10172 10173 10174 10175 10176 10177 10178 10179 10180 10181 10182 10183 10184 10185 10186 10187 10188 10189

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

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

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

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

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

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

		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
Y
Yaniv Rosner 已提交
10190
		   port);
10191 10192 10193 10194 10195 10196

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

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10197 10198 10199
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10200 10201

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10202 10203 10204
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);
10205 10206

			bnx2x_cl45_write(bp, phy,
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10207 10208 10209
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
10210 10211

			bnx2x_cl45_write(bp, phy,
Y
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10212 10213 10214
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
10215 10216 10217 10218 10219 10220 10221 10222 10223 10224

		} 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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10225
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10226 10227 10228 10229 10230 10231 10232 10233 10234 10235 10236 10237

		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,
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10238 10239 10240
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
10241 10242 10243

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
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10244 10245 10246
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10247 10248

			bnx2x_cl45_write(bp, phy,
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10249 10250 10251
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
10252 10253

			bnx2x_cl45_write(bp, phy,
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10254 10255 10256
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
10257 10258

			bnx2x_cl45_write(bp, phy,
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10259 10260 10261
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
10262 10263
		} else {
			bnx2x_cl45_write(bp, phy,
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10264 10265 10266
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
10267 10268 10269 10270 10271
		}
		break;

	case LED_MODE_OPER:

Y
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10272
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10273 10274 10275 10276 10277 10278 10279 10280 10281 10282 10283

		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 &
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10284 10285
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10286
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10287 10288 10289 10290 10291 10292 10293 10294
				bnx2x_cl45_write(bp, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_LINK_SIGNAL,
						 0xa492);
			}

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
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10295 10296 10297
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
10298 10299

			bnx2x_cl45_write(bp, phy,
Y
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10300 10301 10302
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
10303 10304

			bnx2x_cl45_write(bp, phy,
Y
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10305 10306 10307
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
10308 10309

			bnx2x_cl45_write(bp, phy,
Y
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10310 10311 10312
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
10313 10314 10315 10316 10317 10318

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
10319 10320 10321 10322 10323 10324 10325 10326 10327 10328 10329 10330

			/* 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);
10331 10332 10333
		}
		break;
	}
10334 10335 10336 10337 10338 10339 10340 10341 10342

	/*
	 * This is a workaround for E3+84833 until autoneg
	 * 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);
	}
10343
}
10344

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10345
/******************************************************************/
10346
/*			54618SE PHY SECTION			  */
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10347
/******************************************************************/
10348
static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Y
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10349 10350 10351 10352 10353 10354 10355 10356
					       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;

10357
	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Y
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10358 10359
	usleep_range(1000, 1000);

Y
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10360 10361 10362 10363
	/*
	 * This works with E3 only, no need to check the chip
	 * before determining the port.
	 */
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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 10415 10416 10417 10418 10419 10420 10421 10422 10423 10424 10425 10426 10427 10428 10429 10430 10431 10432 10433 10434 10435 10436 10437 10438 10439 10440 10441 10442 10443 10444 10445 10446 10447 10448 10449 10450 10451 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 10489 10490 10491 10492 10493 10494 10495 10496 10497 10498 10499 10500 10501 10502 10503 10504 10505 10506 10507
	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);

	/*wait for GPHY to reset */
	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");
	}

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10508 10509 10510 10511 10512 10513 10514 10515 10516 10517 10518 10519 10520 10521 10522 10523 10524 10525 10526 10527 10528 10529 10530 10531
	/* 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);
	}

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10532 10533 10534 10535 10536 10537 10538 10539 10540 10541 10542 10543 10544
	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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10545 10546 10547 10548 10549 10550 10551 10552 10553 10554 10555 10556 10557 10558 10559 10560 10561 10562 10563 10564 10565 10566 10567 10568 10569 10570 10571 10572 10573 10574 10575 10576 10577 10578 10579 10580 10581

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;
}


10582 10583
static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
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10584 10585 10586 10587 10588
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port;

10589 10590 10591 10592 10593 10594 10595 10596 10597
	/*
	 * In case of no EPIO routed to reset the GPHY, put it
	 * in low power mode.
	 */
	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
	/*
	 * This works with E3 only, no need to check the chip
	 * before determining the port.
	 */
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10598 10599 10600 10601 10602 10603 10604 10605 10606 10607 10608
	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);
}

10609 10610 10611
static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars)
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10612 10613 10614 10615 10616 10617 10618 10619 10620 10621
{
	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);
10622
	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
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10623 10624 10625 10626 10627 10628 10629 10630 10631 10632 10633 10634 10635 10636 10637 10638 10639 10640 10641 10642 10643 10644 10645 10646 10647 10648 10649 10650 10651 10652 10653 10654 10655

	/* 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;

10656 10657 10658 10659
		DP(NETIF_MSG_LINK,
		   "Link is up in %dMbps, is_duplex_full= %d\n",
		   vars->line_speed,
		   (vars->duplex == DUPLEX_FULL));
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10660 10661 10662 10663 10664 10665 10666 10667 10668 10669 10670 10671 10672 10673 10674

		/* 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;

10675
		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
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10676
			   vars->line_speed);
10677 10678 10679 10680 10681 10682 10683 10684 10685 10686 10687 10688 10689 10690 10691 10692 10693 10694 10695 10696 10697 10698 10699 10700

		/* 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);
		}

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10701
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10702 10703 10704 10705 10706 10707 10708 10709 10710 10711 10712 10713 10714 10715 10716 10717 10718 10719 10720 10721 10722 10723 10724 10725 10726 10727 10728 10729 10730

		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
			/* report LP advertised speeds */
			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
10731 10732 10733 10734
	}
	return link_up;
}

10735 10736
static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
					  struct link_params *params)
Y
Yaniv Rosner 已提交
10737 10738 10739 10740 10741
{
	struct bnx2x *bp = params->bp;
	u16 val;
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;

10742
	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Y
Yaniv Rosner 已提交
10743 10744 10745 10746 10747 10748 10749 10750 10751 10752 10753 10754 10755 10756 10757 10758 10759 10760 10761 10762 10763 10764 10765 10766 10767 10768 10769 10770 10771 10772 10773 10774 10775

	/* 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);

	/*
	 * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
	 * length used by the MAC receive logic to check frames.
	 */
	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
}

Y
Yaniv Rosner 已提交
10776 10777 10778 10779 10780
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
10781 10782
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10783 10784 10785
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
10786 10787
}

Y
Yaniv Rosner 已提交
10788 10789 10790
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
10791
{
Y
Yaniv Rosner 已提交
10792
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
10793
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10794
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
10795

Y
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10796 10797
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
10798
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
10799 10800
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
10801
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
10802

Y
Yaniv Rosner 已提交
10803
	bnx2x_cl45_write(bp, phy,
10804
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Y
Yaniv Rosner 已提交
10805 10806 10807
	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
10808

Y
Yaniv Rosner 已提交
10809 10810 10811 10812 10813 10814 10815
	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
10816

Y
Yaniv Rosner 已提交
10817 10818 10819
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
10820

Y
Yaniv Rosner 已提交
10821 10822 10823 10824 10825 10826
	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
10827

Y
Yaniv Rosner 已提交
10828 10829 10830
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
10831 10832
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10833 10834 10835
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
10836
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
10837
	bnx2x_cl45_read(bp, phy,
10838
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
10839 10840 10841 10842 10843 10844 10845 10846 10847
	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);
10848
	/* if link is up print the AN outcome of the SFX7101 PHY */
Y
Yaniv Rosner 已提交
10849 10850 10851 10852 10853
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
10854
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
10855 10856 10857 10858
		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);
10859 10860 10861 10862 10863

		/* read LP advertised speeds */
		if (val2 & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Y
Yaniv Rosner 已提交
10864 10865 10866
	}
	return link_up;
}
E
Eilon Greenstein 已提交
10867

Y
Yaniv Rosner 已提交
10868
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10869 10870 10871 10872 10873 10874 10875 10876 10877
{
	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;
10878 10879 10880
	return 0;
}

Y
Yaniv Rosner 已提交
10881
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10882
{
Y
Yaniv Rosner 已提交
10883
	u16 val, cnt;
10884

Y
Yaniv Rosner 已提交
10885
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10886 10887
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
10888

Y
Yaniv Rosner 已提交
10889 10890 10891 10892
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10893 10894 10895
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
Y
Yaniv Rosner 已提交
10896 10897
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10898 10899
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
10900

Y
Yaniv Rosner 已提交
10901 10902
		if ((val & (1<<15)) == 0)
			break;
10903 10904
	}
}
Y
Yaniv Rosner 已提交
10905

Y
Yaniv Rosner 已提交
10906 10907 10908 10909
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
10910
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10911 10912
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10913
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10914
}
Y
Yaniv Rosner 已提交
10915

10916 10917 10918 10919 10920 10921 10922 10923 10924 10925 10926 10927 10928 10929 10930 10931 10932 10933 10934 10935 10936 10937 10938
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
10939 10940 10941
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
10942

Y
Yaniv Rosner 已提交
10943 10944 10945 10946
static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.def_md_devad	= 0,
10947
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
10948 10949 10950 10951 10952 10953
	.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
10954 10955 10956
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
10957 10958 10959 10960 10961 10962 10963 10964
	.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
10965 10966
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
10967
};
Y
Yaniv Rosner 已提交
10968

Y
Yaniv Rosner 已提交
10969 10970 10971 10972
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
10973
	.flags		= 0,
Y
Yaniv Rosner 已提交
10974 10975 10976 10977 10978 10979 10980 10981 10982 10983 10984 10985 10986
	.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
10987
	.media_type	= ETH_PHY_BASE_T,
Y
Yaniv Rosner 已提交
10988 10989
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
10990 10991
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
10992 10993
	.req_duplex	= 0,
	.rsrv		= 0,
Y
Yaniv Rosner 已提交
10994
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
Yaniv Rosner 已提交
10995 10996 10997 10998 10999
	.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
11000 11001
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11002
};
Y
Yaniv Rosner 已提交
11003 11004 11005 11006 11007

static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11008
	.flags		= 0,
Y
Yaniv Rosner 已提交
11009 11010 11011 11012 11013 11014 11015 11016 11017 11018 11019 11020 11021 11022
	.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
11023
	.media_type	= ETH_PHY_CX4,
Y
Yaniv Rosner 已提交
11024 11025
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
11026 11027
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
11028 11029
	.req_duplex	= 0,
	.rsrv		= 0,
Y
Yaniv Rosner 已提交
11030
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
Yaniv Rosner 已提交
11031 11032 11033 11034 11035
	.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
11036 11037
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11038
};
11039 11040 11041 11042
static struct bnx2x_phy phy_warpcore = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11043
	.flags		= FLAGS_HW_LOCK_REQUIRED,
11044 11045 11046 11047 11048 11049 11050 11051 11052 11053 11054 11055 11056 11057 11058 11059 11060 11061 11062 11063 11064 11065 11066 11067 11068 11069 11070
	.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_20000baseKR2_Full |
			     SUPPORTED_20000baseMLD2_Full |
			     SUPPORTED_FIBRE |
			     SUPPORTED_Autoneg |
			     SUPPORTED_Pause |
			     SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	/* req_duplex = */0,
	/* rsrv = */0,
	.config_init	= (config_init_t)bnx2x_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,
11071
	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11072 11073 11074 11075
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

Y
Yaniv Rosner 已提交
11076 11077 11078 11079 11080

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.def_md_devad	= 0,
11081
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
Yaniv Rosner 已提交
11082 11083 11084 11085 11086 11087 11088 11089 11090 11091 11092
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
11093 11094
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
11095 11096 11097 11098 11099 11100 11101 11102
	.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,
11103
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
Yaniv Rosner 已提交
11104
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11105 11106 11107 11108 11109
};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.def_md_devad	= 0,
11110
	.flags		= FLAGS_HW_LOCK_REQUIRED,
Y
Yaniv Rosner 已提交
11111 11112 11113 11114 11115 11116 11117 11118 11119 11120
	.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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11121
	.media_type	= ETH_PHY_KR,
Y
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11122
	.ver_addr	= 0,
Y
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11123 11124 11125
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11126 11127
	.req_duplex	= 0,
	.rsrv		= 0,
11128
	.config_init	= (config_init_t)bnx2x_8073_config_init,
Y
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11129 11130 11131 11132 11133
	.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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11134 11135
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11136 11137 11138 11139 11140
};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.def_md_devad	= 0,
11141
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11142 11143 11144 11145 11146 11147 11148 11149 11150 11151 11152 11153 11154 11155 11156 11157 11158 11159 11160 11161
	.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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11162 11163
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11164 11165 11166 11167 11168
};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.def_md_devad	= 0,
11169
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11170 11171 11172 11173 11174 11175 11176 11177 11178 11179 11180 11181 11182 11183 11184 11185 11186 11187 11188 11189 11190
	.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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11191 11192
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11193 11194 11195 11196 11197
};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
11198
	.def_md_devad	= 0,
Y
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11199
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11200
			   FLAGS_INIT_XGXS_FIRST),
Y
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11201 11202 11203 11204 11205 11206 11207 11208 11209
	.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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11210
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11211 11212 11213 11214 11215 11216 11217 11218 11219 11220 11221 11222
	.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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11223 11224
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11225 11226 11227 11228 11229 11230
};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.def_md_devad	= 0,
11231
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
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11232 11233 11234 11235 11236 11237 11238 11239
	.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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11240
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11241 11242 11243 11244 11245 11246 11247 11248 11249 11250 11251 11252
	.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,
11253
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
Y
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11254
	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Y
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11255 11256 11257 11258
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
11259
	.def_md_devad	= 0,
Y
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11260 11261
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
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11262 11263 11264 11265 11266 11267 11268 11269 11270 11271 11272 11273 11274 11275 11276 11277 11278 11279 11280 11281 11282 11283 11284 11285 11286 11287
	.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,
11288
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11289
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11290 11291
};

Y
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11292 11293 11294
static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
11295
	.def_md_devad	= 0,
Y
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11296 11297
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
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11298 11299 11300 11301 11302 11303 11304 11305 11306 11307 11308 11309 11310 11311 11312 11313 11314 11315 11316 11317 11318 11319 11320 11321 11322 11323
	.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,
11324
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11325
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11326 11327
};

11328 11329 11330
static struct bnx2x_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
11331
	.def_md_devad	= 0,
11332 11333 11334 11335 11336
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			    FLAGS_REARM_LATCH_SIGNAL,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
11337
	.supported	= (SUPPORTED_100baseT_Half |
11338 11339 11340 11341 11342 11343 11344 11345 11346 11347 11348 11349 11350 11351 11352 11353 11354 11355 11356
			   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,
11357
	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11358 11359 11360 11361
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)NULL
};

11362 11363
static struct bnx2x_phy phy_54618se = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Y
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11364 11365 11366 11367 11368 11369 11370 11371 11372 11373 11374 11375 11376 11377 11378 11379 11380 11381 11382 11383 11384 11385
	.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,
11386 11387 11388 11389
	.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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11390 11391
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
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11392
	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
Y
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11393 11394
	.phy_specific_func = (phy_specific_func_t)NULL
};
Y
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11395 11396 11397 11398 11399 11400 11401 11402 11403 11404 11405 11406 11407
/*****************************************************************/
/*                                                               */
/* 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++) {
11408
		/*
Y
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11409 11410 11411 11412
		 * INT_PHY and EXT_PHY1 share the same value location in the
		 * shmem. When num_phys is greater than 1, than this value
		 * applies only to EXT_PHY1
		 */
Y
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11413 11414 11415
		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11416
			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Y
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11417 11418 11419

			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11420
			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Y
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11421 11422 11423
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11424
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
Yaniv Rosner 已提交
11425

Y
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11426 11427
			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11428
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
Yaniv Rosner 已提交
11429
		}
Y
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11430 11431 11432 11433 11434 11435 11436 11437 11438 11439 11440 11441 11442 11443 11444 11445 11446 11447 11448

		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
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11449 11450 11451 11452 11453
	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
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11454 11455 11456 11457 11458 11459 11460
	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
Y
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11461 11462
static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				  struct bnx2x_phy *phy)
Y
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11463 11464 11465 11466 11467 11468 11469
{
	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);
11470 11471 11472
	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);

11473 11474 11475
	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
	if (USES_WARPCORE(bp)) {
		u32 serdes_net_if;
Y
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11476
		phy_addr = REG_RD(bp,
11477 11478 11479 11480 11481 11482 11483 11484 11485 11486 11487 11488 11489 11490 11491 11492 11493 11494 11495 11496 11497 11498 11499 11500 11501 11502 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 11531 11532 11533 11534 11535 11536 11537 11538 11539 11540 11541 11542 11543 11544 11545 11546 11547 11548 11549 11550 11551 11552 11553
				  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);
		/*
		 * Set the appropriate supported and flags indications per
		 * 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;
		}

		/*
		 * Enable MDC/MDIO work-around for E3 A0 since free running MDC
		 * 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;
11554 11555
		else
			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11556 11557 11558 11559 11560 11561 11562 11563 11564 11565 11566 11567 11568 11569 11570 11571 11572 11573
	} 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
11574 11575 11576 11577 11578
	}
	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
11579 11580 11581 11582
	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
11583 11584 11585 11586 11587 11588 11589 11590

	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
11591 11592 11593 11594 11595 11596
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
11597 11598 11599 11600 11601 11602 11603 11604 11605 11606 11607 11608 11609 11610 11611 11612 11613 11614 11615 11616 11617 11618 11619 11620 11621 11622 11623 11624
{
	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
11625
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Y
Yaniv Rosner 已提交
11626 11627 11628 11629 11630 11631 11632 11633 11634 11635
	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;
11636 11637 11638
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
Y
Yaniv Rosner 已提交
11639
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11640 11641
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
		*phy = phy_54618se;
Y
Yaniv Rosner 已提交
11642
		break;
Y
Yaniv Rosner 已提交
11643 11644 11645 11646 11647 11648 11649 11650
	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
11651 11652 11653 11654
		/* 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
11655 11656 11657 11658 11659 11660
		return 0;
	}

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

11661 11662 11663 11664 11665
	/*
	 * The shmem address of the phy version is located on different
	 * structures. In case this structure is too old, do not set
	 * the address
	 */
Y
Yaniv Rosner 已提交
11666 11667
	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
Y
Yaniv Rosner 已提交
11668 11669 11670
	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
11671

Y
Yaniv Rosner 已提交
11672 11673 11674 11675
		/* 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
11676 11677
	} else {
		u32 size = REG_RD(bp, shmem2_base);
Y
Yaniv Rosner 已提交
11678

Y
Yaniv Rosner 已提交
11679 11680 11681 11682 11683 11684 11685 11686 11687 11688 11689 11690 11691
		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
11692 11693
	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

11694 11695 11696 11697 11698 11699 11700 11701 11702 11703 11704 11705 11706
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
	    (phy->ver_addr)) {
		/*
		 * Remove 100Mb link supported for BCM84833 when phy fw
		 * 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);
	}

11707
	/*
Y
Yaniv Rosner 已提交
11708 11709 11710 11711 11712 11713 11714 11715 11716 11717 11718 11719 11720
	 * In case mdc/mdio_access of the external phy is different than the
	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
	 * to prevent one port interfere with another port's CL45 operations.
	 */
	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
		   phy_type, port, phy_index);
	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
		   phy->addr, phy->mdio_ctrl);
	return 0;
}

Y
Yaniv Rosner 已提交
11721 11722
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
11723
{
Y
Yaniv Rosner 已提交
11724
	int status = 0;
Y
Yaniv Rosner 已提交
11725 11726 11727
	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
11728
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
11729 11730 11731 11732 11733 11734
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
11735
			      u8 phy_index)
Y
Yaniv Rosner 已提交
11736 11737 11738 11739
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
Y
Yaniv Rosner 已提交
11740 11741
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11742
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11743 11744
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11745 11746
					     offsetof(struct shmem_region,
						      dev_info.
Y
Yaniv Rosner 已提交
11747 11748 11749
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11750
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11751 11752
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11753 11754 11755
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
Y
Yaniv Rosner 已提交
11756
	}
11757 11758 11759
	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
11760 11761 11762 11763 11764 11765 11766 11767 11768 11769 11770 11771 11772 11773 11774 11775 11776 11777 11778 11779 11780 11781 11782 11783 11784 11785 11786 11787 11788 11789 11790 11791 11792 11793 11794 11795 11796 11797 11798 11799 11800 11801 11802 11803 11804 11805

	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
11806 11807 11808 11809 11810 11811 11812 11813 11814 11815 11816 11817 11818 11819 11820 11821 11822 11823 11824 11825 11826 11827 11828 11829 11830 11831 11832 11833 11834 11835 11836 11837 11838
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
11839
int bnx2x_phy_probe(struct link_params *params)
Y
Yaniv Rosner 已提交
11840
{
Y
Yaniv Rosner 已提交
11841
	u8 phy_index, actual_phy_idx;
Y
Yaniv Rosner 已提交
11842
	u32 phy_config_swapped, sync_offset, media_types;
Y
Yaniv Rosner 已提交
11843 11844 11845 11846
	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
11847 11848
	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
Yaniv Rosner 已提交
11849 11850 11851 11852

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		actual_phy_idx = phy_index;
Y
Yaniv Rosner 已提交
11853 11854 11855 11856 11857 11858 11859 11860 11861
		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
11862 11863
		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Y
Yaniv Rosner 已提交
11864
				       params->shmem2_base, params->port,
Y
Yaniv Rosner 已提交
11865 11866 11867 11868 11869 11870 11871 11872 11873 11874 11875 11876 11877
				       phy) != 0) {
			params->num_phys = 0;
			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
				   phy_index);
			for (phy_index = INT_PHY;
			      phy_index < MAX_PHYS;
			      phy_index++)
				*phy = phy_null;
			return -EINVAL;
		}
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
			break;

Y
Yaniv Rosner 已提交
11878 11879 11880 11881 11882 11883 11884 11885 11886 11887 11888 11889 11890 11891 11892 11893 11894 11895 11896 11897
		sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].media_type);
		media_types = REG_RD(bp, sync_offset);

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

Y
Yaniv Rosner 已提交
11898
		bnx2x_phy_def_cfg(params, phy, phy_index);
Y
Yaniv Rosner 已提交
11899 11900 11901 11902 11903 11904 11905
		params->num_phys++;
	}

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

11906 11907
void bnx2x_init_bmac_loopback(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
11908 11909 11910 11911 11912 11913 11914
{
	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
11915

Y
Yaniv Rosner 已提交
11916
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
11917

Y
Yaniv Rosner 已提交
11918
		bnx2x_xgxs_deassert(params);
Y
Yaniv Rosner 已提交
11919

Y
Yaniv Rosner 已提交
11920 11921
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
11922

Y
Yaniv Rosner 已提交
11923
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11924
}
Y
Yaniv Rosner 已提交
11925

11926 11927 11928 11929
void bnx2x_init_emac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
11930 11931 11932 11933 11934
		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
11935

Y
Yaniv Rosner 已提交
11936
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
11937

Y
Yaniv Rosner 已提交
11938 11939 11940 11941
		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
Y
Yaniv Rosner 已提交
11942
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11943
}
Y
Yaniv Rosner 已提交
11944

11945 11946 11947 11948 11949 11950 11951 11952 11953 11954 11955 11956 11957 11958 11959 11960 11961
void bnx2x_init_xmac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	vars->link_up = 1;
	if (!params->req_line_speed[0])
		vars->line_speed = SPEED_10000;
	else
		vars->line_speed = params->req_line_speed[0];
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_XMAC;
	vars->phy_flags = PHY_XGXS_FLAG;
	/*
	 * Set WC to loopback mode since link is required to provide clock
	 * to the XMAC in 20G mode
	 */
Y
Yaniv Rosner 已提交
11962 11963 11964
	bnx2x_set_aer_mmd(params, &params->phy[0]);
	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
	params->phy[INT_PHY].config_loopback(
11965 11966
			&params->phy[INT_PHY],
			params);
Y
Yaniv Rosner 已提交
11967

11968 11969 11970 11971 11972 11973 11974 11975 11976 11977 11978 11979 11980 11981 11982 11983 11984 11985 11986
	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);
}

11987 11988 11989 11990
void bnx2x_init_xgxs_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
11991 11992
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
11993
		vars->duplex = DUPLEX_FULL;
11994
	if (params->req_line_speed[0] == SPEED_1000)
Y
Yaniv Rosner 已提交
11995
			vars->line_speed = SPEED_1000;
11996
	else
Y
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11997
			vars->line_speed = SPEED_10000;
11998

11999 12000
	if (!USES_WARPCORE(bp))
		bnx2x_xgxs_deassert(params);
12001 12002 12003
	bnx2x_link_initialize(params, vars);

	if (params->req_line_speed[0] == SPEED_1000) {
12004 12005 12006 12007 12008 12009 12010 12011 12012 12013 12014 12015
		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);
	}
12016

Y
Yaniv Rosner 已提交
12017 12018 12019 12020 12021
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
12022

Y
Yaniv Rosner 已提交
12023 12024 12025 12026 12027 12028 12029 12030 12031 12032 12033
		} 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
12034
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
12035

12036 12037 12038 12039 12040 12041 12042 12043 12044 12045 12046 12047 12048 12049 12050 12051 12052 12053 12054 12055 12056 12057 12058 12059 12060 12061 12062 12063 12064
	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
12065 12066 12067
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;

12068 12069 12070 12071 12072 12073 12074 12075 12076 12077 12078 12079 12080 12081
	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;
12082 12083 12084 12085 12086 12087
	case LOOPBACK_XMAC:
		bnx2x_init_xmac_loopback(params, vars);
		break;
	case LOOPBACK_UMAC:
		bnx2x_init_umac_loopback(params, vars);
		break;
12088 12089 12090 12091 12092
	case LOOPBACK_XGXS:
	case LOOPBACK_EXT_PHY:
		bnx2x_init_xgxs_loopback(params, vars);
		break;
	default:
12093 12094 12095 12096 12097 12098
		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
12099 12100 12101
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
12102
		break;
Y
Yaniv Rosner 已提交
12103
	}
Y
Yaniv Rosner 已提交
12104 12105
	return 0;
}
Y
Yaniv Rosner 已提交
12106 12107 12108

int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		     u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
12109 12110
{
	struct bnx2x *bp = params->bp;
12111
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
12112 12113 12114 12115 12116
	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
12117 12118 12119 12120
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12121

Y
Yaniv Rosner 已提交
12122 12123
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
12124

Y
Yaniv Rosner 已提交
12125
	/* disable nig egress interface */
12126 12127 12128 12129
	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
12130

Y
Yaniv Rosner 已提交
12131
	/* Stop BigMac rx */
12132 12133
	if (!CHIP_IS_E3(bp))
		bnx2x_bmac_rx_disable(bp, port);
12134
	else {
12135
		bnx2x_xmac_disable(params);
12136 12137
		bnx2x_umac_disable(params);
	}
Y
Yaniv Rosner 已提交
12138
	/* disable emac */
12139 12140
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
12141

Y
Yaniv Rosner 已提交
12142
	msleep(10);
L
Lucas De Marchi 已提交
12143
	/* The PHY reset is controlled by GPIO 1
Y
Yaniv Rosner 已提交
12144 12145 12146
	 * Hold it as vars low
	 */
	 /* clear link led */
12147 12148
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
12149
	if (reset_ext_phy) {
12150
		bnx2x_set_mdio_clk(bp, params->chip_id, port);
Y
Yaniv Rosner 已提交
12151 12152
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
12153 12154 12155
			if (params->phy[phy_index].link_reset) {
				bnx2x_set_aer_mmd(params,
						  &params->phy[phy_index]);
Y
Yaniv Rosner 已提交
12156 12157 12158
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
12159
			}
12160 12161 12162
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
12163 12164 12165
		}
	}

12166 12167 12168 12169 12170 12171
	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
12172 12173 12174
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
Y
Yaniv Rosner 已提交
12175

Y
Yaniv Rosner 已提交
12176
	/* disable nig ingress interface */
12177
	if (!CHIP_IS_E3(bp)) {
12178 12179 12180
		/* reset BigMac */
		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12181 12182
		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12183 12184 12185 12186 12187 12188 12189
	} 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);
12190
	}
Y
Yaniv Rosner 已提交
12191
	vars->link_up = 0;
12192
	vars->phy_flags = 0;
Y
Yaniv Rosner 已提交
12193 12194 12195
	return 0;
}

Y
Yaniv Rosner 已提交
12196 12197 12198
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
12199 12200 12201 12202
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
12203
{
Y
Yaniv Rosner 已提交
12204 12205
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
12206
	u16 val;
Y
Yaniv Rosner 已提交
12207
	s8 port = 0;
D
Dmitry Kravkov 已提交
12208
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
12209 12210 12211 12212 12213
	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
12214 12215
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12216 12217
		u32 shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
12218
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12219 12220 12221
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12222 12223 12224 12225
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12226 12227
		}

Y
Yaniv Rosner 已提交
12228
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12229
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12230
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12231 12232 12233 12234
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
12235
		/* disable attentions */
12236 12237
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
12238 12239 12240 12241
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12242 12243 12244 12245

		/* Need to take the phy out of low power mode in order
			to write to access its registers */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12246 12247
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12248 12249

		/* Reset the phy */
Y
Yaniv Rosner 已提交
12250
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12251 12252 12253
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
12254 12255 12256 12257 12258
	}

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

Y
Yaniv Rosner 已提交
12259 12260 12261 12262 12263 12264 12265 12266
	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
12267 12268
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12269
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12270
			port_of_path = port;
12271 12272
		else
			port_of_path = 0;
Y
Yaniv Rosner 已提交
12273

D
Dmitry Kravkov 已提交
12274 12275
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12276 12277
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
12278 12279 12280
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
12281
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12282 12283
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12284 12285

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
12286
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12287 12288 12289
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
12290 12291
	}

12292 12293 12294 12295
	/*
	 * Toggle Transmitter: Power down and then up with 600ms delay
	 * between
	 */
Y
Yaniv Rosner 已提交
12296 12297 12298 12299
	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
12300
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
12301
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
12302
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12303 12304
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12305

Y
Yaniv Rosner 已提交
12306
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12307 12308
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yaniv Rosner 已提交
12309 12310 12311
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
12312
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12313 12314
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
12315
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12316 12317
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
12318 12319 12320

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12321
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
12322 12323 12324
	}
	return 0;
}
Y
Yaniv Rosner 已提交
12325 12326 12327 12328
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
12329 12330 12331 12332 12333 12334 12335 12336 12337 12338 12339
{
	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);

12340
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
12341 12342
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
12343 12344 12345
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12346
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12347 12348
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
12349 12350 12351
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
D
Dmitry Kravkov 已提交
12352
		}
Y
Yaniv Rosner 已提交
12353
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12354
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
12355 12356 12357 12358 12359 12360 12361 12362 12363 12364 12365 12366 12367
				       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
12368 12369
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12370 12371 12372 12373
	}

	return 0;
}
12374 12375 12376 12377 12378 12379 12380 12381 12382 12383 12384 12385 12386 12387 12388 12389 12390 12391 12392 12393 12394 12395 12396 12397 12398 12399 12400 12401 12402 12403 12404 12405 12406 12407 12408 12409 12410 12411 12412 12413 12414 12415 12416 12417 12418
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
12419 12420 12421 12422 12423

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
12424
{
12425
	s8 port, reset_gpio;
E
Eilon Greenstein 已提交
12426
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
12427 12428
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
12429
	s8 port_of_path;
Y
Yaniv Rosner 已提交
12430 12431
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
Eilon Greenstein 已提交
12432

12433
	reset_gpio = MISC_REGISTERS_GPIO_1;
Y
Yaniv Rosner 已提交
12434
	port = 1;
E
Eilon Greenstein 已提交
12435

12436 12437 12438 12439 12440 12441
	/*
	 * Retrieve the reset gpio/port which control the reset.
	 * Default is GPIO1, PORT1
	 */
	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
				     (u8 *)&reset_gpio, (u8 *)&port);
Y
Yaniv Rosner 已提交
12442 12443 12444 12445

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

12446 12447 12448 12449 12450 12451 12452
	/* 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
12453
	msleep(5);
E
Eilon Greenstein 已提交
12454

E
Eilon Greenstein 已提交
12455
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
12456
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12457 12458 12459
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12460
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12461 12462 12463
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12464 12465 12466 12467
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12468 12469
		}

E
Eilon Greenstein 已提交
12470
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12471
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12472
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12473 12474 12475 12476
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
12477
		/* disable attentions */
D
Dmitry Kravkov 已提交
12478 12479 12480 12481 12482 12483
		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
12484 12485 12486


		/* Reset the phy */
Y
Yaniv Rosner 已提交
12487
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12488
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
Eilon Greenstein 已提交
12489 12490 12491 12492
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
12493 12494 12495 12496 12497 12498 12499
	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
12500
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
12501
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12502
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12503
			port_of_path = port;
12504 12505
		else
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12506 12507
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12508 12509
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
E
Eilon Greenstein 已提交
12510
			return -EINVAL;
12511 12512 12513 12514
		/* 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
12515

12516
	}
E
Eilon Greenstein 已提交
12517 12518 12519
	return 0;
}

12520 12521 12522 12523 12524 12525 12526 12527 12528 12529 12530 12531 12532
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);
12533 12534
	return 0;
}
12535

12536 12537 12538 12539 12540 12541 12542
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,
12543 12544
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &val);
12545 12546 12547 12548 12549 12550 12551
		if (!(val & (1<<15)))
			break;
		msleep(1);
	}
	if (cnt >= 1500) {
		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
		return -EINVAL;
12552 12553
	}

12554 12555 12556 12557 12558 12559 12560 12561 12562 12563 12564
	/* 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);
12565 12566 12567
	return 0;
}

12568 12569 12570 12571 12572 12573 12574 12575 12576 12577 12578 12579 12580 12581 12582 12583 12584 12585 12586 12587 12588 12589
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;
}
12590

Y
Yaniv Rosner 已提交
12591 12592 12593
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
12594
{
Y
Yaniv Rosner 已提交
12595
	int rc = 0;
Y
Yaniv Rosner 已提交
12596 12597 12598

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
12599 12600 12601
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12602
		break;
Y
Yaniv Rosner 已提交
12603
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
E
Eilon Greenstein 已提交
12604 12605
	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
12606 12607 12608
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
12609 12610
		break;

E
Eilon Greenstein 已提交
12611
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12612 12613 12614 12615
		/*
		 * GPIO1 affects both ports, so there's need to pull
		 * it for single port alone
		 */
D
Dmitry Kravkov 已提交
12616 12617 12618
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12619
		break;
12620 12621 12622 12623 12624
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		/*
		 * GPIO3's are linked, and so both need to be toggled
		 * to obtain required 2us pulse.
		 */
12625 12626 12627
		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
12628
		break;
Y
Yaniv Rosner 已提交
12629 12630
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
12631
		break;
Y
Yaniv Rosner 已提交
12632 12633
	default:
		DP(NETIF_MSG_LINK,
12634 12635
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
Yaniv Rosner 已提交
12636 12637 12638
		break;
	}

12639 12640 12641 12642
	if (rc != 0)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
Y
Yaniv Rosner 已提交
12643 12644 12645
	return rc;
}

Y
Yaniv Rosner 已提交
12646 12647
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
12648
{
Y
Yaniv Rosner 已提交
12649
	int rc = 0;
12650 12651
	u32 phy_ver, val;
	u8 phy_index = 0;
Y
Yaniv Rosner 已提交
12652
	u32 ext_phy_type, ext_phy_config;
12653 12654
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Y
Yaniv Rosner 已提交
12655
	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12656 12657 12658 12659 12660
	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);
	}
12661 12662 12663 12664 12665 12666 12667 12668 12669 12670
	/* 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
12671 12672 12673 12674
	/* 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
12675
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
12676 12677
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
12678 12679 12680 12681
		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
12682 12683 12684
	}
	return rc;
}
12685

12686 12687 12688 12689 12690 12691 12692 12693 12694 12695 12696 12697 12698 12699 12700 12701 12702 12703 12704 12705 12706 12707 12708 12709 12710 12711 12712 12713 12714 12715 12716 12717 12718 12719 12720 12721 12722 12723 12724 12725 12726 12727 12728 12729 12730 12731 12732 12733 12734 12735 12736 12737 12738 12739
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,
				     struct link_vars *vars, u32 lss_status)
{
	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);

	/*
	 * a. Update shmem->link_status accordingly
	 * b. Update link_vars->link_up
	 */
	if (lss_status) {
Y
Yaniv Rosner 已提交
12740
		DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
12741 12742 12743 12744 12745 12746 12747 12748 12749
		vars->link_status &= ~LINK_STATUS_LINK_UP;
		vars->link_up = 0;
		vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
		/*
		 * Set LED mode to off since the PHY doesn't know about these
		 * errors
		 */
		led_mode = LED_MODE_OFF;
	} else {
Y
Yaniv Rosner 已提交
12750
		DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
12751 12752 12753 12754 12755 12756 12757 12758 12759 12760 12761 12762 12763 12764 12765 12766
		vars->link_status |= LINK_STATUS_LINK_UP;
		vars->link_up = 1;
		vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
		led_mode = LED_MODE_OPER;
	}
	/* 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;
	bnx2x_notify_link_changed(bp);
}

Y
Yaniv Rosner 已提交
12767 12768 12769 12770 12771 12772 12773 12774 12775
/******************************************************************************
* 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.
*
******************************************************************************/
12776 12777 12778 12779 12780 12781 12782 12783 12784 12785
static void bnx2x_check_half_open_conn(struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 lss_status = 0;
	u32 mac_base;
	/* In case link status is physically up @ 10G do */
	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
		return;

Y
Yaniv Rosner 已提交
12786
	if (CHIP_IS_E3(bp) &&
12787
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
Y
Yaniv Rosner 已提交
12788 12789 12790 12791 12792 12793 12794 12795 12796 12797 12798 12799 12800 12801 12802 12803 12804 12805 12806 12807
	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
		/* Check E3 XMAC */
		/*
		 * Note that link speed cannot be queried here, since it may be
		 * 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;

		bnx2x_analyze_link_error(params, vars, lss_status);
	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
12808 12809 12810 12811 12812 12813 12814 12815 12816 12817 12818 12819 12820 12821 12822 12823 12824 12825 12826 12827 12828
		/* 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);

		bnx2x_analyze_link_error(params, vars, lss_status);
	}
}

void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
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	u16 phy_idx;
	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]);
			bnx2x_check_half_open_conn(params, vars);
			break;
		}
	}

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	if (CHIP_IS_E3(bp)) {
		struct bnx2x_phy *phy = &params->phy[INT_PHY];
		bnx2x_set_aer_mmd(params, phy);
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		bnx2x_check_over_curr(params, vars);
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		bnx2x_warpcore_config_runtime(phy, params, vars);
	}

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}

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u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
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{
	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,
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				       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,
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			     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,
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				       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;
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	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;
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	      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;
		}
	}
}
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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;
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	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 {
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		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);
}