bnx2x_link.c 374.9 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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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
	struct bnx2x *bp = params->bp;
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
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	} else if (CHIP_IS_E3(bp) &&
		SINGLE_MEDIA_DIRECT(params)) {
		u8 lane = bnx2x_get_warpcore_lane(phy, params);
		u16 gp_status, gp_mask;
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
				&gp_status);
		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
			lane;
		if ((gp_status & gp_mask) == gp_mask) {
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
		} else {
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
			ld_pause = ((ld_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
			lp_pause = ((lp_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
		}
3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698
	} 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);
3699

3700 3701 3702 3703 3704 3705
}
static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u8 ret = 0;
3706
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3707 3708 3709 3710 3711
	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 */
3712
		vars->flow_ctrl = phy->req_flow_ctrl;
3713
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3714 3715 3716
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
3717
		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3718 3719 3720
	}
	return ret;
}
3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731
/******************************************************************/
/*			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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3732
	u16 val16 = 0, lane, bam37 = 0;
3733 3734
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751
	/* Set to default registers that may be overriden by 10G force */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_CONTROL, 0x7415);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
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	/* Disable Autoneg: re-enable it after adv is done. */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);

3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801
	/* 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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	/* 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");
	}

3820 3821 3822
	/* Advertise pause */
	bnx2x_ext_phy_set_pause(params, phy, vars);

3823 3824 3825 3826 3827 3828 3829 3830 3831
	/*
	 * 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;
	}
3832 3833 3834 3835 3836 3837

	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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3838 3839 3840 3841 3842 3843 3844

	/* 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,
3845
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
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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
}

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;
3997 3998 3999
		tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
			   (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
			   (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
4000
		tx_driver_val =
4001
		      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4002
		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4003
		       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
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 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111
	}
	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,
4112 4113
					   u8 fiber_mode,
					   u8 always_autoneg)
4114 4115 4116 4117 4118 4119 4120 4121 4122 4123
{
	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));

4124
	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4125 4126 4127 4128 4129 4130 4131 4132 4133 4134
		/* 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);
4135
		val16 &= 0xcebf;
4136 4137 4138 4139 4140 4141 4142 4143 4144 4145
		switch (phy->req_line_speed) {
		case SPEED_10:
			break;
		case SPEED_100:
			val16 |= 0x2000;
			break;
		case SPEED_1000:
			val16 |= 0x0040;
			break;
		default:
4146 4147
			DP(NETIF_MSG_LINK,
			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210
			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
4211
/* Clear SFI/XFI link settings registers */
4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276
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)) {
4277 4278 4279
			DP(NETIF_MSG_LINK,
			   "ERROR: Invalid cfg pin %x for module detect indication\n",
			   cfg_pin);
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
			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
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 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 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389
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*/

}
4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415

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);
4416
		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4417 4418 4419 4420
	} else {
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Enable KR Auto Neg */
4421
			if (params->loopback_mode != LOOPBACK_EXT)
4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443
				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,
4444 4445
								fiber_mode,
								0);
4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457
			}

			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");
4458 4459
				bnx2x_warpcore_set_sgmii_speed(
						phy, params, 1, 0);
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
			}
			/* 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:
4488 4489 4490
			DP(NETIF_MSG_LINK,
			   "Unsupported Serdes Net Interface 0x%x\n",
			   serdes_net_if);
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 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611
			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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4612 4613
void bnx2x_sync_link(struct link_params *params,
			   struct link_vars *vars)
Y
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4614 4615
{
	struct bnx2x *bp = params->bp;
4616
	u8 link_10g_plus;
Y
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4617 4618
	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
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4619
	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
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4620 4621 4622 4623 4624 4625
	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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4626
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
Y
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4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658
			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;
4659 4660 4661
			case LINK_20GTFD:
				vars->line_speed = SPEED_20000;
				break;
Y
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4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681
			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;
		}
4682 4683 4684 4685
		if (vars->line_speed &&
		    USES_WARPCORE(bp) &&
		    (vars->line_speed == SPEED_1000))
			vars->phy_flags |= PHY_SGMII_FLAG;
Y
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4686
		/* anything 10 and over uses the bmac */
4687 4688 4689 4690 4691 4692
		link_10g_plus = (vars->line_speed >= SPEED_10000);

		if (link_10g_plus) {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_XMAC;
			else
4693
				vars->mac_type = MAC_TYPE_BMAC;
4694 4695 4696
		} else {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_UMAC;
4697 4698
			else
				vars->mac_type = MAC_TYPE_EMAC;
4699
		}
Y
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4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710
	} else { /* link down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;

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

		/* indicate no mac active */
		vars->mac_type = MAC_TYPE_NONE;
Y
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4711 4712
		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
Y
Yaniv Rosner 已提交
4713
	}
Y
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4714 4715 4716 4717 4718 4719 4720 4721 4722 4723
}

void bnx2x_link_status_update(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 sync_offset, media_types;
	/* Update PHY configuration */
	set_phy_vars(params, vars);
Y
Yaniv Rosner 已提交
4724

Y
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4725 4726 4727 4728 4729 4730
	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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4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747
	/* 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);

4748 4749 4750 4751 4752 4753 4754
	/* 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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4755 4756 4757 4758 4759 4760 4761 4762
	/* 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;

4763 4764
	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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4765 4766 4767 4768 4769 4770 4771 4772 4773
	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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4774
	ser_lane = ((params->lane_config &
Y
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4775
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Y
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4776
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
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4777 4778

	/* set the master_ln for AN */
Y
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4779
	CL22_RD_OVER_CL45(bp, phy,
Y
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4780 4781 4782
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
Y
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4783

Y
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4784
	CL22_WR_OVER_CL45(bp, phy,
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4785 4786 4787
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
Y
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4788 4789
}

Y
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4790 4791 4792
static int bnx2x_reset_unicore(struct link_params *params,
			       struct bnx2x_phy *phy,
			       u8 set_serdes)
Y
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4793 4794 4795 4796
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
Y
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4797
	CL22_RD_OVER_CL45(bp, phy,
Y
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4798 4799
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Y
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4800 4801

	/* reset the unicore */
Y
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4802
	CL22_WR_OVER_CL45(bp, phy,
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4803 4804 4805 4806
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
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4807 4808 4809 4810 4811 4812 4813 4814
	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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4815
		CL22_RD_OVER_CL45(bp, phy,
Y
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4816 4817 4818
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
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4819 4820 4821 4822 4823 4824

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
Y
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4825

4826 4827 4828
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
Y
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4829 4830 4831 4832 4833
	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
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4834 4835
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
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4836 4837
{
	struct bnx2x *bp = params->bp;
4838 4839 4840 4841
	/*
	 *  Each two bits represents a lane number:
	 *  No swap is 0123 => 0x1b no need to enable the swap
	 */
Y
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4842
	u16 rx_lane_swap, tx_lane_swap;
Y
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4843 4844

	rx_lane_swap = ((params->lane_config &
Y
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4845 4846
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Y
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4847
	tx_lane_swap = ((params->lane_config &
Y
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4848 4849
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Y
Yaniv Rosner 已提交
4850 4851

	if (rx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4852
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4853 4854 4855 4856 4857
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
				  (rx_lane_swap |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
Y
Yaniv Rosner 已提交
4858
	} else {
Y
Yaniv Rosner 已提交
4859
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4860 4861
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4862 4863 4864
	}

	if (tx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4865
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4866 4867 4868 4869
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Y
Yaniv Rosner 已提交
4870
	} else {
Y
Yaniv Rosner 已提交
4871
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4872 4873
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4874 4875 4876
	}
}

Y
Yaniv Rosner 已提交
4877 4878
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
Yaniv Rosner 已提交
4879 4880 4881
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
Yaniv Rosner 已提交
4882
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4883 4884 4885
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
4886
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
Yaniv Rosner 已提交
4887 4888 4889
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4890 4891
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
Y
Yaniv Rosner 已提交
4892
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4893 4894 4895
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
Yaniv Rosner 已提交
4896

Y
Yaniv Rosner 已提交
4897
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4898
	     (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4899
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
4900 4901
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
4902
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4903 4904 4905
				 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
4906

Y
Yaniv Rosner 已提交
4907
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4908 4909 4910
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);
Y
Yaniv Rosner 已提交
4911 4912 4913 4914 4915


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
Yaniv Rosner 已提交
4916
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4917 4918 4919
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
Yaniv Rosner 已提交
4920 4921

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
4922
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4923 4924 4925 4926
				  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
4927 4928 4929
	}
}

Y
Yaniv Rosner 已提交
4930 4931
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
4932 4933
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
Yaniv Rosner 已提交
4934 4935 4936 4937 4938
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
Yaniv Rosner 已提交
4939
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4940 4941
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4942 4943

	/* CL37 Autoneg Enabled */
Y
Yaniv Rosner 已提交
4944
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4945 4946 4947 4948 4949
		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
4950
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4951 4952
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4953 4954 4955

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
4956
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4957 4958
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4959 4960 4961
	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
4962
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4963 4964 4965 4966
		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
4967
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4968 4969
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
4970 4971

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
4972
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4973 4974
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
4975
			  &reg_val);
Y
Yaniv Rosner 已提交
4976
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
4977 4978 4979 4980 4981 4982 4983 4984
		/* 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
4985
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4986 4987 4988
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
4989

4990 4991
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
4992
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4993 4994 4995
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
4996 4997

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
4998
		CL22_WR_OVER_CL45(bp, phy,
4999 5000 5001 5002 5003 5004
			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
5005
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
5006
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5007 5008 5009
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
5010
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
5011 5012
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5013
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
5014 5015
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5016

Y
Yaniv Rosner 已提交
5017
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5018 5019 5020
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
5021 5022 5023 5024 5025 5026

		/* 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
5027

Y
Yaniv Rosner 已提交
5028
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5029 5030
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
5031 5032 5033
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
5034 5035
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
5036
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
5037 5038 5039 5040
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

5041
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
5042
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5043 5044
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
5045
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5046 5047
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5048
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5049
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
5050
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5051 5052
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
5053

5054 5055 5056 5057
	/*
	 * program speed
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
5058
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5059 5060
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
5061 5062 5063 5064 5065 5066 5067 5068 5069 5070
	/* 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
5071 5072
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
5073
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
5074 5075
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
5076 5077
	}

Y
Yaniv Rosner 已提交
5078
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5079 5080
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
5081

Y
Yaniv Rosner 已提交
5082 5083
}

5084 5085
static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params)
Y
Yaniv Rosner 已提交
5086 5087 5088 5089 5090 5091 5092
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
5093
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
5094
		val |= MDIO_OVER_1G_UP1_2_5G;
5095
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
5096
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
5097
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5098 5099
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
5100

Y
Yaniv Rosner 已提交
5101
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5102 5103
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
5104 5105
}

5106 5107 5108
static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params,
					      u16 ieee_fc)
Y
Yaniv Rosner 已提交
5109 5110
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5111
	u16 val;
Y
Yaniv Rosner 已提交
5112
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
5113

Y
Yaniv Rosner 已提交
5114
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5115 5116
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
5117
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5118 5119
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
5120 5121
	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
5122
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5123 5124
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
5125 5126
}

Y
Yaniv Rosner 已提交
5127 5128 5129
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
5130 5131
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
5132
	u16 mii_control;
5133

Y
Yaniv Rosner 已提交
5134
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
5135
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
5136

5137
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
5138
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5139 5140 5141
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
5142

Y
Yaniv Rosner 已提交
5143
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5144 5145 5146 5147 5148
				  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));
5149 5150
	} else {

Y
Yaniv Rosner 已提交
5151
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5152 5153 5154
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
5155 5156 5157
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
5158
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5159 5160 5161 5162 5163
				  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));
5164
	}
Y
Yaniv Rosner 已提交
5165 5166
}

Y
Yaniv Rosner 已提交
5167 5168
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
5169
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5170 5171 5172 5173 5174 5175
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
5176
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5177 5178 5179
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
Y
Yaniv Rosner 已提交
5180 5181 5182 5183 5184
	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
5185
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5186 5187 5188
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
5189 5190

	/* if forced speed */
Y
Yaniv Rosner 已提交
5191
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
5192 5193 5194
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
5195
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5196 5197 5198
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
5199 5200 5201 5202
		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
5203
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216
		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
5217 5218
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
5219 5220 5221 5222
			break;
		}

		/* setting the full duplex */
5223
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5224 5225
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
5226
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5227 5228 5229
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
5230 5231 5232

	} else { /* AN mode */
		/* enable and restart AN */
Y
Yaniv Rosner 已提交
5233
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
5234 5235 5236 5237 5238 5239 5240 5241
	}
}


/*
 * link management
 */

Y
Yaniv Rosner 已提交
5242 5243
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					     struct link_params *params)
5244 5245 5246
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
5247 5248
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
5249
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5250 5251 5252
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
5253
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5254 5255 5256
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
5257 5258 5259 5260 5261 5262
	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
5263
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5264 5265 5266
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
5267 5268 5269 5270 5271 5272 5273 5274

	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
5275

5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322
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
5323 5324 5325 5326
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
5327 5328
{
	struct bnx2x *bp = params->bp;
5329
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5330 5331

	/* resolve from gp_status in case of AN complete and not sgmii */
5332 5333 5334 5335 5336
	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 */
5337
		vars->flow_ctrl = phy->req_flow_ctrl;
5338
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5339 5340 5341
		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
5342
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5343 5344 5345
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
5346
		bnx2x_update_adv_fc(phy, params, vars, gp_status);
Y
Yaniv Rosner 已提交
5347 5348 5349 5350
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
5351 5352
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
5353 5354
{
	struct bnx2x *bp = params->bp;
5355
	u16 rx_status, ustat_val, cl37_fsm_received;
5356 5357
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
5358
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5359 5360 5361
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
5362 5363 5364 5365
	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
5366
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5367 5368 5369
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5370 5371 5372
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
5373
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5374 5375 5376
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
5377 5378 5379 5380 5381 5382 5383 5384 5385
	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;
	}
5386 5387 5388 5389
	/*
	 * Step 3: Check CL37 Message Pages received to indicate LP
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
5390
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5391 5392
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5393 5394
			  &cl37_fsm_received);
	if ((cl37_fsm_received &
5395 5396 5397 5398 5399 5400
	     (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",
5401
			 cl37_fsm_received);
5402 5403
		return;
	}
5404 5405 5406 5407 5408 5409 5410
	/*
	 * 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
	 */

5411
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
5412
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5413 5414 5415
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
5416
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
5417
	bnx2x_restart_autoneg(phy, params, 0);
5418 5419
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433

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;
}
5434 5435 5436 5437 5438 5439
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
5440 5441
{
	struct bnx2x *bp = params->bp;
5442 5443
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5444 5445
	if (is_link_up) {
		DP(NETIF_MSG_LINK, "phy link up\n");
Y
Yaniv Rosner 已提交
5446 5447 5448 5449

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

5450
		switch (speed_mask) {
Y
Yaniv Rosner 已提交
5451
		case GP_STATUS_10M:
5452
			vars->line_speed = SPEED_10;
Y
Yaniv Rosner 已提交
5453 5454 5455 5456 5457 5458 5459
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
5460
			vars->line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
5461 5462 5463 5464 5465 5466 5467 5468
			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:
5469
			vars->line_speed = SPEED_1000;
Y
Yaniv Rosner 已提交
5470 5471 5472 5473 5474 5475 5476
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
5477
			vars->line_speed = SPEED_2500;
Y
Yaniv Rosner 已提交
5478 5479 5480 5481 5482 5483 5484 5485 5486 5487
			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",
5488
				  speed_mask);
Y
Yaniv Rosner 已提交
5489
			return -EINVAL;
5490

Y
Yaniv Rosner 已提交
5491 5492 5493
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
5494 5495 5496 5497
		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
5498 5499
			vars->link_status |= LINK_10GTFD;
			break;
5500 5501 5502 5503
		case GP_STATUS_20G_DXGXS:
			vars->line_speed = SPEED_20000;
			vars->link_status |= LINK_20GTFD;
			break;
Y
Yaniv Rosner 已提交
5504 5505 5506
		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
5507
				  speed_mask);
5508
			return -EINVAL;
Y
Yaniv Rosner 已提交
5509 5510 5511 5512 5513
		}
	} else { /* link_down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;
5514

Y
Yaniv Rosner 已提交
5515
		vars->duplex = DUPLEX_FULL;
5516
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5517
		vars->mac_type = MAC_TYPE_NONE;
5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548
	}
	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;
5549

5550 5551 5552 5553 5554 5555 5556 5557
	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 */
5558 5559
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
5560
			/* Check signal is detected */
5561
			bnx2x_check_fallback_to_cl37(phy, params);
5562
		}
Y
Yaniv Rosner 已提交
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
	/* 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
5592 5593
	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
5594 5595 5596
	return rc;
}

5597 5598 5599 5600 5601 5602 5603 5604 5605 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 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648
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);
		}
	}

5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676
	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;

	}


5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697
	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
5698
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
5699 5700
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5701
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
5702 5703
	u16 lp_up2;
	u16 tx_driver;
5704
	u16 bank;
Y
Yaniv Rosner 已提交
5705 5706

	/* read precomp */
Y
Yaniv Rosner 已提交
5707
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5708 5709
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
5710 5711 5712 5713 5714 5715

	/* 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);

5716 5717 5718 5719 5720
	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
5721
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5722 5723
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
5724 5725 5726 5727 5728 5729

		/* 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
5730
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5731 5732
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
5733
		}
Y
Yaniv Rosner 已提交
5734 5735 5736
	}
}

Y
Yaniv Rosner 已提交
5737 5738
static int bnx2x_emac_program(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5739 5740 5741 5742 5743 5744 5745
{
	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
5746 5747 5748 5749
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
5750
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768
	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
5769 5770
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
5771 5772 5773
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
5774
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
5775 5776
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
5777 5778
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
5779

5780
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
5781 5782 5783
	return 0;
}

Y
Yaniv Rosner 已提交
5784 5785
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5786
{
Y
Yaniv Rosner 已提交
5787 5788 5789 5790 5791 5792

	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
5793
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5794 5795 5796 5797 5798 5799 5800
					  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
5801
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5802 5803 5804 5805 5806 5807
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

Y
Yaniv Rosner 已提交
5808 5809 5810
static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823
{
	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
5824
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836
			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 */
5837
			bnx2x_set_brcm_cl37_advertisement(phy, params);
Y
Yaniv Rosner 已提交
5838 5839

			/* program duplex & pause advertisement (for aneg) */
5840 5841
			bnx2x_set_ieee_aneg_advertisement(phy, params,
							  vars->ieee_fc);
Y
Yaniv Rosner 已提交
5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856

			/* 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
5857 5858 5859
static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
Y
Yaniv Rosner 已提交
5860
{
Y
Yaniv Rosner 已提交
5861
	int rc;
Y
Yaniv Rosner 已提交
5862
	vars->phy_flags |= PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
5863 5864 5865 5866 5867 5868 5869
	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
5870 5871
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Y
Yaniv Rosner 已提交
5872 5873 5874 5875 5876
		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
5877 5878 5879
	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
5880 5881 5882 5883 5884 5885

	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
5886
	bnx2x_set_aer_mmd(params, phy);
Y
Yaniv Rosner 已提交
5887
	/* setting the masterLn_def again after the reset */
Y
Yaniv Rosner 已提交
5888 5889 5890 5891
	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
5892 5893 5894

	return rc;
}
5895

Y
Yaniv Rosner 已提交
5896
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5897 5898
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
5899
{
Y
Yaniv Rosner 已提交
5900
	u16 cnt, ctrl;
L
Lucas De Marchi 已提交
5901
	/* Wait for soft reset to get cleared up to 1 sec */
Y
Yaniv Rosner 已提交
5902
	for (cnt = 0; cnt < 1000; cnt++) {
5903
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Y
Yaniv Rosner 已提交
5904 5905 5906 5907 5908 5909
			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
5910 5911 5912 5913
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
5914 5915 5916 5917 5918

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
5919 5920
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
5921 5922
}

Y
Yaniv Rosner 已提交
5923
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
5924
{
Y
Yaniv Rosner 已提交
5925 5926 5927
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
5928

5929
	/* Setting the status to report on link up for either XGXS or SerDes */
5930 5931 5932 5933 5934
	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
5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968
		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
5969 5970
}

Y
Yaniv Rosner 已提交
5971 5972
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
5973
{
Y
Yaniv Rosner 已提交
5974 5975
	u32 latch_status = 0;

5976
	/*
Y
Yaniv Rosner 已提交
5977 5978 5979
	 * 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
5980 5981 5982
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
5983 5984
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
5985
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996
	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
5997
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
5998

Y
Yaniv Rosner 已提交
5999 6000
		/* 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
6001
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
6002
	}
Y
Yaniv Rosner 已提交
6003
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
6004 6005
}

Y
Yaniv Rosner 已提交
6006
static void bnx2x_link_int_ack(struct link_params *params,
6007
			       struct link_vars *vars, u8 is_10g_plus)
6008
{
Y
Yaniv Rosner 已提交
6009
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6010
	u8 port = params->port;
6011
	u32 mask;
6012 6013 6014 6015
	/*
	 * First reset all status we assume only one line will be
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
6016
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
6017 6018 6019
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
6020
	if (vars->phy_link_up) {
6021 6022 6023 6024 6025 6026 6027 6028 6029 6030 6031 6032
		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
6033 6034
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6035 6036 6037 6038
				mask = ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
			} else
				mask = NIG_STATUS_SERDES0_LINK_STATUS;
Y
Yaniv Rosner 已提交
6039
		}
6040 6041 6042 6043 6044
		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
6045 6046 6047
	}
}

Y
Yaniv Rosner 已提交
6048
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
6049 6050 6051 6052 6053
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
6054
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
6055 6056 6057
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
6058
		(*len)--;
Y
Yaniv Rosner 已提交
6059
		return -EINVAL;
Y
Yaniv Rosner 已提交
6060
	}
Y
Yaniv Rosner 已提交
6061
	while (shift > 0) {
Y
Yaniv Rosner 已提交
6062

Y
Yaniv Rosner 已提交
6063 6064
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
6065 6066 6067 6068
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
6069 6070 6071
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
6072
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
6073
		str_ptr++;
Y
Yaniv Rosner 已提交
6074
		(*len)--;
Y
Yaniv Rosner 已提交
6075 6076
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
6077
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
6078
			str_ptr++;
Y
Yaniv Rosner 已提交
6079 6080
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
6081 6082
		}
	}
Y
Yaniv Rosner 已提交
6083
	return 0;
Y
Yaniv Rosner 已提交
6084 6085
}

Y
Yaniv Rosner 已提交
6086

Y
Yaniv Rosner 已提交
6087
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
6088
{
Y
Yaniv Rosner 已提交
6089 6090 6091 6092
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
6093

6094 6095
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
				 u16 len)
Y
Yaniv Rosner 已提交
6096 6097 6098
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
Y
Yaniv Rosner 已提交
6099
	int status = 0;
Y
Yaniv Rosner 已提交
6100
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
6101
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
6102 6103 6104
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
6105

Y
Yaniv Rosner 已提交
6106 6107 6108
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
6109

Y
Yaniv Rosner 已提交
6110
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
6111 6112
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
6113 6114 6115 6116 6117
							      &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
6118
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130
		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
6131
	return status;
Y
Yaniv Rosner 已提交
6132
}
Y
Yaniv Rosner 已提交
6133

Y
Yaniv Rosner 已提交
6134 6135
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
6136
{
Y
Yaniv Rosner 已提交
6137
	u8 port = params->port;
E
Eilon Greenstein 已提交
6138 6139
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
6140
	if (phy->req_line_speed != SPEED_1000) {
6141
		u32 md_devad = 0;
E
Eilon Greenstein 已提交
6142

Y
Yaniv Rosner 已提交
6143
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
6144

6145 6146 6147 6148
		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));
6149

6150 6151 6152
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       0x5);
		}
E
Eilon Greenstein 已提交
6153

Y
Yaniv Rosner 已提交
6154
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6155 6156 6157 6158
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
6159

Y
Yaniv Rosner 已提交
6160
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6161 6162 6163 6164
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
6165 6166
		msleep(200);
		/* set aer mmd back */
Y
Yaniv Rosner 已提交
6167
		bnx2x_set_aer_mmd(params, phy);
E
Eilon Greenstein 已提交
6168

6169 6170 6171 6172 6173
		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
6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186
	} 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
6187 6188
}

Y
Yaniv Rosner 已提交
6189 6190
int bnx2x_set_led(struct link_params *params,
		  struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
6191
{
Y
Yaniv Rosner 已提交
6192 6193
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
Yaniv Rosner 已提交
6194 6195
	int rc = 0;
	u8 phy_idx;
Y
Yaniv Rosner 已提交
6196 6197
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
6198
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6199 6200 6201
	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);
6202 6203 6204 6205 6206 6207 6208 6209
	/* 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
6210
	switch (mode) {
6211
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
6212 6213 6214
	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
6215
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
6216

Y
Yaniv Rosner 已提交
6217
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
6218
		if (params->phy[EXT_PHY1].type ==
6219 6220 6221 6222 6223 6224 6225 6226
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
				EMAC_LED_100MB_OVERRIDE |
				EMAC_LED_10MB_OVERRIDE);
		else
			tmp |= EMAC_LED_OVERRIDE;

		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Y
Yaniv Rosner 已提交
6227
		break;
E
Eilon Greenstein 已提交
6228

Y
Yaniv Rosner 已提交
6229
	case LED_MODE_OPER:
6230
		/*
6231 6232
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
6233
		 */
6234 6235 6236
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
6237 6238 6239 6240
		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)) &&
6241
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6242 6243 6244
			/*
			 * This is a work-around for E2+8727 Configurations
			 */
6245 6246 6247 6248 6249 6250 6251 6252
			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
6253 6254
				/*
				 * return here without enabling traffic
Y
Yaniv Rosner 已提交
6255
				 * LED blink and setting rate in ON mode.
Y
Yaniv Rosner 已提交
6256 6257 6258 6259 6260
				 * In oper mode, enabling LED blink
				 * and setting rate is needed.
				 */
				if (mode == LED_MODE_ON)
					return rc;
6261
			}
Y
Yaniv Rosner 已提交
6262
		} else if (SINGLE_MEDIA_DIRECT(params)) {
6263 6264 6265 6266
			/*
			 * This is a work-around for HW issue found when link
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
6267 6268 6269 6270 6271
			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
6272 6273 6274 6275 6276 6277 6278
			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
6279 6280
		} else if ((params->phy[EXT_PHY1].type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6281
			   (mode == LED_MODE_ON)) {
Y
Yaniv Rosner 已提交
6282 6283
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6284 6285 6286 6287 6288 6289
			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
			/* Break here; otherwise, it'll disable the
			 * intended override.
			 */
			break;
Y
Yaniv Rosner 已提交
6290
		} else
Y
Yaniv Rosner 已提交
6291 6292
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			       hw_led_mode);
E
Eilon Greenstein 已提交
6293

Y
Yaniv Rosner 已提交
6294
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
6295
		/* Set blinking rate to ~15.9Hz */
Y
Yaniv Rosner 已提交
6296 6297 6298 6299 6300 6301
		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
6302
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
6303
		       port*4, 1);
6304 6305 6306
		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
6307

Y
Yaniv Rosner 已提交
6308 6309 6310 6311 6312
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
6313 6314 6315 6316
			/*
			 * On Everest 1 Ax chip versions for speeds less than
			 * 10G LED scheme is different
			 */
Y
Yaniv Rosner 已提交
6317
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
6318
			       + port*4, 1);
Y
Yaniv Rosner 已提交
6319
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6320
			       port*4, 0);
Y
Yaniv Rosner 已提交
6321
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6322
			       port*4, 1);
Y
Yaniv Rosner 已提交
6323 6324
		}
		break;
E
Eilon Greenstein 已提交
6325

Y
Yaniv Rosner 已提交
6326 6327 6328 6329 6330
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
6331
	}
Y
Yaniv Rosner 已提交
6332
	return rc;
E
Eilon Greenstein 已提交
6333

E
Eilon Greenstein 已提交
6334 6335
}

6336
/*
Y
Yaniv Rosner 已提交
6337 6338 6339
 * This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
Y
Yaniv Rosner 已提交
6340 6341
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		    u8 is_serdes)
E
Eilon Greenstein 已提交
6342 6343
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6344
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
6345 6346
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372
	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
6373 6374 6375
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yaniv Rosner 已提交
6376
	/* link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
6377 6378
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;
6379 6380 6381 6382
	}
	/* In XGXS loopback mode, do not check external PHY */
	if (params->loopback_mode == LOOPBACK_XGXS)
		return 0;
Y
Yaniv Rosner 已提交
6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393

	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
6394 6395
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
6396 6397 6398
			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
6399 6400 6401
					    ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_DA_TWINAX));
Y
Yaniv Rosner 已提交
6402 6403 6404 6405 6406

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
6407 6408 6409
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
6410
			}
Y
Yaniv Rosner 已提交
6411
		}
Y
Yaniv Rosner 已提交
6412
		break;
E
Eilon Greenstein 已提交
6413
	}
Y
Yaniv Rosner 已提交
6414 6415
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
6416 6417
	return -ESRCH;
}
E
Eilon Greenstein 已提交
6418

Y
Yaniv Rosner 已提交
6419 6420
static int bnx2x_link_initialize(struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6421
{
Y
Yaniv Rosner 已提交
6422
	int rc = 0;
Y
Yaniv Rosner 已提交
6423 6424
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
6425 6426 6427 6428 6429 6430
	/*
	 * 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
6431
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
6432

6433
	/*
Y
Yaniv Rosner 已提交
6434 6435 6436 6437
	 * Initialize the internal phy in case this is a direct board
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
6438 6439
	if (!USES_WARPCORE(bp))
		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
6440 6441 6442
	/* 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
6443

Y
Yaniv Rosner 已提交
6444 6445 6446 6447
	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];
6448 6449 6450
		if (vars->line_speed == SPEED_AUTO_NEG &&
		    (CHIP_IS_E1x(bp) ||
		     CHIP_IS_E2(bp)))
Y
Yaniv Rosner 已提交
6451
			bnx2x_set_parallel_detection(phy, params);
Y
Yaniv Rosner 已提交
6452 6453 6454 6455
			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(phy,
								 params,
								 vars);
E
Eilon Greenstein 已提交
6456 6457
	}

Y
Yaniv Rosner 已提交
6458
	/* Init external phy*/
Y
Yaniv Rosner 已提交
6459 6460 6461 6462 6463
	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
6464 6465
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
6466
			/*
Y
Yaniv Rosner 已提交
6467 6468 6469 6470
			 * 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.
6471
			 */
Y
Yaniv Rosner 已提交
6472 6473 6474 6475
			if (params->phy[phy_index].supported &
			    SUPPORTED_FIBRE)
				vars->link_status |= LINK_STATUS_SERDES_LINK;

Y
Yaniv Rosner 已提交
6476 6477 6478
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6479 6480
				DP(NETIF_MSG_LINK,
				   "Not initializing second phy\n");
Y
Yaniv Rosner 已提交
6481 6482
				continue;
			}
Y
Yaniv Rosner 已提交
6483 6484 6485 6486
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
Y
Yaniv Rosner 已提交
6487
	}
Y
Yaniv Rosner 已提交
6488 6489 6490 6491 6492 6493 6494
	/* 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
6495
	bnx2x_update_mng(params, vars->link_status);
Y
Yaniv Rosner 已提交
6496 6497
	return rc;
}
E
Eilon Greenstein 已提交
6498

Y
Yaniv Rosner 已提交
6499 6500 6501 6502
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
6503 6504
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
6505 6506
}

Y
Yaniv Rosner 已提交
6507 6508
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
6509
{
Y
Yaniv Rosner 已提交
6510 6511 6512
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
6513 6514 6515 6516
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
6517
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6518 6519
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6520
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6521 6522
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6523
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
6524
}
E
Eilon Greenstein 已提交
6525

Y
Yaniv Rosner 已提交
6526 6527
static int bnx2x_update_link_down(struct link_params *params,
				  struct link_vars *vars)
E
Eilon Greenstein 已提交
6528 6529
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6530
	u8 port = params->port;
E
Eilon Greenstein 已提交
6531

Y
Yaniv Rosner 已提交
6532
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6533
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6534
	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Y
Yaniv Rosner 已提交
6535 6536
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
6537

Y
Yaniv Rosner 已提交
6538
	/* update shared memory */
Y
Yaniv Rosner 已提交
6539 6540
	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
			       LINK_STATUS_LINK_UP |
Y
Yaniv Rosner 已提交
6541
			       LINK_STATUS_PHYSICAL_LINK_FLAG |
Y
Yaniv Rosner 已提交
6542 6543 6544
			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6545 6546 6547
			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
Y
Yaniv Rosner 已提交
6548 6549
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
6550

Y
Yaniv Rosner 已提交
6551 6552
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
6553

Y
Yaniv Rosner 已提交
6554
	/* disable emac */
6555 6556
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
6557 6558

	msleep(10);
6559 6560 6561 6562 6563 6564
	/* 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
6565
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6566
	}
6567
	if (CHIP_IS_E3(bp)) {
6568
		bnx2x_xmac_disable(params);
6569 6570
		bnx2x_umac_disable(params);
	}
6571

E
Eilon Greenstein 已提交
6572 6573
	return 0;
}
Y
Yaniv Rosner 已提交
6574

Y
Yaniv Rosner 已提交
6575 6576 6577
static int bnx2x_update_link_up(struct link_params *params,
				struct link_vars *vars,
				u8 link_10g)
E
Eilon Greenstein 已提交
6578 6579
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6580
	u8 port = params->port;
Y
Yaniv Rosner 已提交
6581
	int rc = 0;
E
Eilon Greenstein 已提交
6582

Y
Yaniv Rosner 已提交
6583 6584
	vars->link_status |= (LINK_STATUS_LINK_UP |
			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6585
	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6586

Y
Yaniv Rosner 已提交
6587 6588 6589
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
6590

Y
Yaniv Rosner 已提交
6591 6592 6593
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6594
	if (USES_WARPCORE(bp)) {
6595 6596 6597 6598 6599 6600 6601 6602 6603
		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
6604
			bnx2x_umac_enable(params, vars, 0);
6605
		bnx2x_set_led(params, vars,
6606 6607 6608 6609 6610
			      LED_MODE_OPER, vars->line_speed);
	}
	if ((CHIP_IS_E1x(bp) ||
	     CHIP_IS_E2(bp))) {
		if (link_10g) {
6611 6612 6613 6614 6615 6616 6617
			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;
			}
6618

6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631
			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
6632
	}
6633

Y
Yaniv Rosner 已提交
6634
	/* PBF - link up */
6635
	if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
6636 6637
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
6638

Y
Yaniv Rosner 已提交
6639 6640
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
6641

Y
Yaniv Rosner 已提交
6642 6643 6644 6645
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
6646
}
6647
/*
Y
Yaniv Rosner 已提交
6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659
 * 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
6660
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
6661
{
Y
Yaniv Rosner 已提交
6662 6663 6664
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
6665
	u8 link_10g_plus, phy_index;
Y
Yaniv Rosner 已提交
6666 6667
	u8 ext_phy_link_up = 0, cur_link_up;
	int rc = 0;
Y
Yaniv Rosner 已提交
6668 6669 6670
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
6671
	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Y
Yaniv Rosner 已提交
6672 6673 6674 6675 6676 6677 6678 6679
	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;
6680
		phy_vars[phy_index].fault_detected = 0;
Y
Yaniv Rosner 已提交
6681
	}
E
Eilon Greenstein 已提交
6682

6683 6684 6685
	if (USES_WARPCORE(bp))
		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);

Y
Yaniv Rosner 已提交
6686 6687 6688
	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
6689

Y
Yaniv Rosner 已提交
6690
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
6691
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
6692 6693 6694
	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
6695
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
6696

Y
Yaniv Rosner 已提交
6697 6698 6699
	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
6700

Y
Yaniv Rosner 已提交
6701
	/* disable emac */
6702 6703
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
6704

6705 6706 6707 6708
	/*
	 * Step 1:
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
6709
	 * is up. Note that instead of the common vars, a temporary
6710 6711 6712
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
Y
Yaniv Rosner 已提交
6713 6714 6715 6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727 6728
	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
6729

Y
Yaniv Rosner 已提交
6730 6731 6732
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
6733 6734 6735 6736
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6737
			/*
Y
Yaniv Rosner 已提交
6738 6739 6740
			 * 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
6741
			 */
Y
Yaniv Rosner 已提交
6742 6743 6744
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6745
			/*
Y
Yaniv Rosner 已提交
6746 6747
			 * In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
6748
			 */
Y
Yaniv Rosner 已提交
6749 6750 6751
				active_external_phy = EXT_PHY2;
				break;
			default:
6752
			/*
Y
Yaniv Rosner 已提交
6753 6754 6755 6756 6757 6758 6759
			 * 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
6760
			 */
Y
Yaniv Rosner 已提交
6761 6762 6763 6764 6765 6766
				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
6767 6768
		}
	}
Y
Yaniv Rosner 已提交
6769
	prev_line_speed = vars->line_speed;
6770 6771 6772 6773 6774 6775 6776
	/*
	 * 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
6777 6778 6779 6780
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
6781
	/*
Y
Yaniv Rosner 已提交
6782 6783 6784 6785 6786 6787
	 * 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
6788
	 */
Y
Yaniv Rosner 已提交
6789 6790
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6791
		/*
Y
Yaniv Rosner 已提交
6792 6793
		 * Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
E
Eilon Greenstein 已提交
6794
		 */
Y
Yaniv Rosner 已提交
6795
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
6796

6797
		/*
Y
Yaniv Rosner 已提交
6798 6799 6800 6801 6802
		 * 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) {
6803 6804
				DP(NETIF_MSG_LINK,
				   "Disabling TX on EXT_PHY2\n");
Y
Yaniv Rosner 已提交
6805 6806 6807 6808 6809 6810
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
Yaniv Rosner 已提交
6811 6812 6813 6814 6815
		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
6816 6817
		else
			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Y
Yaniv Rosner 已提交
6818 6819 6820
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831

	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
6832 6833 6834
	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);
6835
	/*
Y
Yaniv Rosner 已提交
6836 6837 6838 6839
	 * 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
6840

Y
Yaniv Rosner 已提交
6841 6842 6843 6844 6845 6846 6847 6848 6849
	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
6850 6851
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yaniv Rosner 已提交
6852 6853 6854
			msleep(1);
		}
	}
Y
Yaniv Rosner 已提交
6855

Y
Yaniv Rosner 已提交
6856
	/* anything 10 and over uses the bmac */
6857
	link_10g_plus = (vars->line_speed >= SPEED_10000);
E
Eilon Greenstein 已提交
6858

6859
	bnx2x_link_int_ack(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6860

6861 6862 6863 6864 6865 6866 6867 6868
	/*
	 * 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
6869 6870 6871 6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882
	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
6883 6884 6885 6886

			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(
					&params->phy[INT_PHY], params,
Y
Yaniv Rosner 已提交
6887
						vars);
E
Eilon Greenstein 已提交
6888
		}
E
Eilon Greenstein 已提交
6889
	}
6890 6891
	/*
	 * Link is up only if both local phy and external phy (in case of
6892
	 * non-direct board) are up and no fault detected on active PHY.
E
Eilon Greenstein 已提交
6893
	 */
Y
Yaniv Rosner 已提交
6894 6895
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
6896 6897
			  SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));
Y
Yaniv Rosner 已提交
6898

Y
Yaniv Rosner 已提交
6899 6900 6901 6902 6903 6904
	/* 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
6905
	if (vars->link_up)
6906
		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6907
	else
Y
Yaniv Rosner 已提交
6908
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
6909

E
Eilon Greenstein 已提交
6910
	return rc;
E
Eilon Greenstein 已提交
6911 6912
}

Y
Yaniv Rosner 已提交
6913 6914 6915 6916 6917 6918
/*****************************************************************************/
/*			    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
6919
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
6920 6921
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6922
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
6923
}
E
Eilon Greenstein 已提交
6924

Y
Yaniv Rosner 已提交
6925 6926 6927 6928 6929
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
6930

Y
Yaniv Rosner 已提交
6931 6932
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
6933 6934
}

Y
Yaniv Rosner 已提交
6935 6936 6937
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
6938
{
Y
Yaniv Rosner 已提交
6939 6940 6941
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6942
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6943
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6944
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
Yaniv Rosner 已提交
6945 6946
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
Yaniv Rosner 已提交
6947
}
6948

Y
Yaniv Rosner 已提交
6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992 6993 6994 6995 6996 6997 6998 6999 7000 7001
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
7002 7003 7004
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					     struct bnx2x_phy *phy,
					     u8 port)
Y
Yaniv Rosner 已提交
7005
{
7006 7007
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
Y
Yaniv Rosner 已提交
7008
	int rc = 0;
7009

Y
Yaniv Rosner 已提交
7010 7011 7012
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7013 7014 7015
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
7016 7017 7018

	/* ucode reboot and rst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7019 7020 7021
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
7022 7023

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7024 7025
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
7026 7027 7028

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7029 7030 7031
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
7032 7033 7034

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7035 7036 7037
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
7038

7039 7040 7041 7042 7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064
	/* 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
7065 7066 7067

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7068 7069
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
7070
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7071 7072 7073 7074 7075 7076 7077

	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
7078 7079 7080 7081 7082
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
7083
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
7084 7085 7086 7087 7088 7089
{
	/* 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
7090 7091
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
7092 7093 7094 7095 7096 7097 7098

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7099 7100
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
7101 7102 7103 7104 7105 7106 7107 7108

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

	return 1;
}

Y
Yaniv Rosner 已提交
7109
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
7110 7111 7112 7113
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7114 7115
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
7116 7117 7118 7119 7120 7121 7122

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

7123 7124 7125 7126
	/*
	 * After loading the boot ROM and restarting Autoneg, poll
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
7127 7128 7129

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7130 7131 7132
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
7133 7134 7135 7136 7137
		  /*
		   * 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
7138 7139 7140 7141
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
7142 7143 7144 7145 7146 7147 7148
			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
7149 7150 7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176 7177 7178 7179 7180
			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
7181
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
7182 7183
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
7184
{
Y
Yaniv Rosner 已提交
7185
	u16 cl37_val;
Y
Yaniv Rosner 已提交
7186 7187
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
7188
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
7189 7190 7191

	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
7192
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210
	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
7211
	bnx2x_cl45_write(bp, phy,
7212
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
7213
	msleep(500);
Y
Yaniv Rosner 已提交
7214 7215
}

Y
Yaniv Rosner 已提交
7216 7217 7218
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7219
{
Y
Yaniv Rosner 已提交
7220
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7221 7222 7223
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
7224

D
Dmitry Kravkov 已提交
7225 7226 7227 7228
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7229 7230
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7231
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7232

Y
Yaniv Rosner 已提交
7233
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7234
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7235

Y
Yaniv Rosner 已提交
7236 7237
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
7238
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
Y
Yaniv Rosner 已提交
7239
	bnx2x_cl45_write(bp, phy,
7240
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7241

Y
Yaniv Rosner 已提交
7242
	bnx2x_8073_set_pause_cl37(params, phy, vars);
7243

Y
Yaniv Rosner 已提交
7244
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7245
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7246

Y
Yaniv Rosner 已提交
7247
	bnx2x_cl45_read(bp, phy,
7248
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7249

Y
Yaniv Rosner 已提交
7250
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7251

7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266
	/* 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
7267
	/* Enable CL37 BAM */
7268 7269 7270 7271
	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) {
7272

7273 7274 7275 7276 7277 7278 7279 7280
		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
7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292 7293
	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);
7294 7295
			/*
			 * Note that 2.5G works only when used with 1G
L
Lucas De Marchi 已提交
7296
			 * advertisement
7297
			 */
Y
Yaniv Rosner 已提交
7298 7299 7300 7301 7302 7303 7304
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
7305

L
Lucas De Marchi 已提交
7306
		/* Note that 2.5G works only when used with 1G advertisement */
Y
Yaniv Rosner 已提交
7307 7308 7309 7310 7311 7312
		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);
	}
7313

Y
Yaniv Rosner 已提交
7314 7315
	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);
7316

Y
Yaniv Rosner 已提交
7317 7318 7319 7320 7321 7322 7323 7324 7325 7326 7327 7328 7329 7330 7331 7332 7333
	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;
	}
7334

Y
Yaniv Rosner 已提交
7335 7336
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
7337

Y
Yaniv Rosner 已提交
7338 7339 7340 7341
	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)));
7342

Y
Yaniv Rosner 已提交
7343 7344
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7345

7346 7347 7348 7349 7350
	/*
	 * 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
7351 7352 7353 7354
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
7355

Y
Yaniv Rosner 已提交
7356 7357 7358 7359
	/* 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);
7360

Y
Yaniv Rosner 已提交
7361
	bnx2x_ext_phy_set_pause(params, phy, vars);
7362

Y
Yaniv Rosner 已提交
7363 7364 7365 7366 7367 7368
	/* 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
7369
}
Y
Yaniv Rosner 已提交
7370

Y
Yaniv Rosner 已提交
7371
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
7372 7373 7374 7375
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7376 7377 7378 7379
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
7380

Y
Yaniv Rosner 已提交
7381
	bnx2x_cl45_read(bp, phy,
7382
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
7383

Y
Yaniv Rosner 已提交
7384
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
7385

Y
Yaniv Rosner 已提交
7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397
	/* 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,
7398
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Y
Yaniv Rosner 已提交
7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417

	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;
7418
	}
Y
Yaniv Rosner 已提交
7419 7420 7421 7422
	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);
7423

Y
Yaniv Rosner 已提交
7424 7425 7426 7427 7428 7429 7430
	/* 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);
7431

Y
Yaniv Rosner 已提交
7432 7433
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7434 7435 7436 7437 7438
		/*
		 * 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
		 */
7439
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7440 7441
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
7442

Y
Yaniv Rosner 已提交
7443
		/* Change CDR Bandwidth in EDC register */
7444
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7445 7446 7447 7448 7449 7450
				 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);
7451

Y
Yaniv Rosner 已提交
7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471
	/* 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);
7472
	}
Y
Yaniv Rosner 已提交
7473 7474

	if (link_up) {
7475 7476 7477 7478 7479 7480 7481
		/* 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);
7482 7483 7484 7485
			/*
			 * Set bit 3 to invert Rx in 1G mode and clear this bit
			 * when it`s in 10G mode.
			 */
7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497
			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
7498 7499
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
7500
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
7501
	}
7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514

	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
7515
	return link_up;
Y
Yaniv Rosner 已提交
7516 7517
}

Y
Yaniv Rosner 已提交
7518 7519 7520 7521 7522
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
7523 7524 7525 7526
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7527 7528 7529
	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
7530 7531
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
7532 7533 7534 7535 7536
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
7537 7538 7539
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7540 7541
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7542
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
7543 7544
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7545
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
7546 7547 7548
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7549
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
7550

Y
Yaniv Rosner 已提交
7551 7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562
	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
7563

Y
Yaniv Rosner 已提交
7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574
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);
7575

Y
Yaniv Rosner 已提交
7576 7577 7578
	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);
7579

Y
Yaniv Rosner 已提交
7580 7581
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7582

Y
Yaniv Rosner 已提交
7583 7584 7585 7586
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
7587

Y
Yaniv Rosner 已提交
7588 7589 7590 7591 7592
	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);
7593
	}
Y
Yaniv Rosner 已提交
7594 7595
	return link_up;
}
7596

Y
Yaniv Rosner 已提交
7597 7598 7599
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
7600 7601 7602 7603 7604 7605 7606 7607 7608 7609 7610 7611 7612 7613 7614 7615 7616 7617 7618 7619 7620 7621 7622 7623
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);
}

7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634 7635 7636
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);
}
7637 7638 7639 7640

static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 tx_en)
Y
Yaniv Rosner 已提交
7641 7642
{
	u16 val;
7643 7644 7645
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 tx_en_mode;
7646

Y
Yaniv Rosner 已提交
7647
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7648 7649 7650 7651 7652 7653 7654 7655
	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:
7656

7657 7658 7659 7660
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);
Y
Yaniv Rosner 已提交
7661

7662 7663 7664 7665 7666 7667 7668 7669 7670 7671 7672 7673 7674 7675 7676 7677 7678 7679 7680 7681 7682 7683 7684 7685 7686 7687 7688 7689 7690 7691 7692
		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
7693 7694
}

7695 7696 7697 7698 7699 7700 7701 7702 7703 7704 7705 7706
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
7707 7708 7709
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
7710 7711
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7712 7713 7714
	u16 val = 0;
	u16 i;
	if (byte_cnt > 16) {
7715 7716
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7717 7718 7719
		return -EINVAL;
	}
	/* Set the read command byte count */
7720
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7721
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
7722
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
7723

Y
Yaniv Rosner 已提交
7724 7725 7726
	/* 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
7727
			 addr);
Y
Yaniv Rosner 已提交
7728

Y
Yaniv Rosner 已提交
7729
	/* Activate read command */
7730
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7731
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
7732
			 0x2c0f);
Y
Yaniv Rosner 已提交
7733

Y
Yaniv Rosner 已提交
7734 7735 7736
	/* 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
7737 7738
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7739 7740 7741 7742
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7743 7744
	}

Y
Yaniv Rosner 已提交
7745 7746 7747 7748 7749 7750
	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;
7751
	}
Y
Yaniv Rosner 已提交
7752

Y
Yaniv Rosner 已提交
7753 7754
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
7755
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7756 7757
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7758
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7759
	}
Y
Yaniv Rosner 已提交
7760

Y
Yaniv Rosner 已提交
7761 7762
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7763 7764
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7765 7766
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7767
			return 0;
Y
Yaniv Rosner 已提交
7768 7769 7770
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
7771
}
E
Eilon Greenstein 已提交
7772

7773 7774 7775 7776 7777 7778 7779 7780 7781 7782 7783 7784 7785 7786
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) {
7787 7788
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 16 bytes\n");
7789 7790 7791 7792 7793 7794 7795 7796 7797 7798 7799 7800 7801 7802 7803 7804 7805 7806 7807 7808
		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
7809 7810 7811
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
7812 7813
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7814
	u16 val, i;
Y
Yaniv Rosner 已提交
7815

Y
Yaniv Rosner 已提交
7816
	if (byte_cnt > 16) {
7817 7818
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7819 7820
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
7821

Y
Yaniv Rosner 已提交
7822 7823
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7824 7825 7826
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
7827

Y
Yaniv Rosner 已提交
7828
	/* Set the read command byte count */
7829
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7830 7831 7832
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
7833

Y
Yaniv Rosner 已提交
7834
	/* Set the read command address */
7835
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7836 7837 7838
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
7839
	/* Set the destination address */
7840
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7841 7842 7843
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7844

Y
Yaniv Rosner 已提交
7845
	/* Activate read command */
7846
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7847 7848 7849
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
7850 7851 7852 7853
	/*
	 * Wait appropriate time for two-wire command to finish before
	 * polling the status register
	 */
Y
Yaniv Rosner 已提交
7854
	msleep(1);
E
Eilon Greenstein 已提交
7855

Y
Yaniv Rosner 已提交
7856 7857
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
7858
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7859 7860
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7861 7862 7863 7864
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7865
	}
E
Eilon Greenstein 已提交
7866

Y
Yaniv Rosner 已提交
7867 7868 7869 7870 7871
	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));
7872
		return -EFAULT;
Y
Yaniv Rosner 已提交
7873
	}
7874

Y
Yaniv Rosner 已提交
7875 7876 7877
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7878 7879
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7880 7881
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
7882

Y
Yaniv Rosner 已提交
7883 7884
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7885 7886
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7887 7888
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7889
			return 0;
Y
Yaniv Rosner 已提交
7890
		msleep(1);
7891 7892
	}

Y
Yaniv Rosner 已提交
7893
	return -EINVAL;
Y
Yaniv Rosner 已提交
7894 7895
}

Y
Yaniv Rosner 已提交
7896 7897 7898
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
7899
{
Y
Yaniv Rosner 已提交
7900
	int rc = -EINVAL;
Y
Yaniv Rosner 已提交
7901 7902 7903 7904 7905 7906 7907 7908 7909 7910
	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;
7911 7912 7913 7914
	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
7915 7916
	}
	return rc;
Y
Yaniv Rosner 已提交
7917 7918
}

Y
Yaniv Rosner 已提交
7919 7920 7921
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			      struct link_params *params,
			      u16 *edc_mode)
Y
Yaniv Rosner 已提交
7922 7923
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7924
	u32 sync_offset = 0, phy_idx, media_types;
Y
Yaniv Rosner 已提交
7925 7926
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
7927

Y
Yaniv Rosner 已提交
7928
	phy->media_type = ETH_PHY_UNSPECIFIED;
Y
Yaniv Rosner 已提交
7929 7930 7931 7932 7933 7934 7935 7936 7937
	/* 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;
	}
7938

Y
Yaniv Rosner 已提交
7939 7940 7941 7942
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
Y
Yaniv Rosner 已提交
7943
		phy->media_type = ETH_PHY_DA_TWINAX;
7944 7945 7946 7947
		/*
		 * Check if its active cable (includes SFP+ module)
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
7948 7949 7950 7951
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
7952
					       &copper_module_type) != 0) {
Y
Yaniv Rosner 已提交
7953 7954 7955 7956 7957
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7958

Y
Yaniv Rosner 已提交
7959 7960 7961 7962 7963 7964
		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) {
7965 7966
				DP(NETIF_MSG_LINK,
				   "Passive Copper cable detected\n");
Y
Yaniv Rosner 已提交
7967 7968 7969
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
7970 7971 7972
			DP(NETIF_MSG_LINK,
			   "Unknown copper-cable-type 0x%x !!!\n",
			   copper_module_type);
Y
Yaniv Rosner 已提交
7973 7974 7975
			return -EINVAL;
		}
		break;
7976
	}
Y
Yaniv Rosner 已提交
7977
	case SFP_EEPROM_CON_TYPE_VAL_LC:
Y
Yaniv Rosner 已提交
7978
		phy->media_type = ETH_PHY_SFP_FIBER;
Y
Yaniv Rosner 已提交
7979 7980 7981 7982 7983 7984 7985
		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;
7986
	}
Y
Yaniv Rosner 已提交
7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997 7998 7999 8000 8001 8002
	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
8003 8004 8005 8006 8007 8008 8009
	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) {
8010 8011
			DP(NETIF_MSG_LINK,
			   "Failed to read Option field from module EEPROM\n");
Y
Yaniv Rosner 已提交
8012 8013 8014 8015 8016 8017
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
8018
	}
Y
Yaniv Rosner 已提交
8019
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8020
	return 0;
Y
Yaniv Rosner 已提交
8021
}
8022 8023 8024 8025
/*
 * This function read the relevant field from the module (SFP+), and verify it
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
8026 8027
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				   struct link_params *params)
Y
Yaniv Rosner 已提交
8028 8029
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8030 8031
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
8032 8033
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
8034
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
8035 8036 8037 8038 8039 8040 8041 8042
	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
8043

Y
Yaniv Rosner 已提交
8044 8045 8046 8047 8048 8049 8050 8051
	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)) {
8052 8053
			DP(NETIF_MSG_LINK,
			   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
8054 8055 8056 8057 8058
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
8059 8060
		DP(NETIF_MSG_LINK,
		   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
8061 8062
		return -EINVAL;
	}
8063

Y
Yaniv Rosner 已提交
8064 8065
	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
8066 8067 8068 8069
	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
8070

Y
Yaniv Rosner 已提交
8071 8072 8073
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
8074 8075 8076
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
8077 8078 8079 8080 8081
		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
8082 8083 8084
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
8085 8086 8087 8088
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

8089 8090 8091
	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
			      " Port %d from %s part number %s\n",
			 params->port, vendor_name, vendor_pn);
8092 8093 8094
	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
		phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
8095
	return -EINVAL;
Y
Yaniv Rosner 已提交
8096
}
8097

Y
Yaniv Rosner 已提交
8098 8099
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						 struct link_params *params)
8100

E
Eilon Greenstein 已提交
8101
{
Y
Yaniv Rosner 已提交
8102
	u8 val;
E
Eilon Greenstein 已提交
8103
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8104
	u16 timeout;
8105 8106 8107 8108 8109
	/*
	 * Initialization time after hot-plug may take up to 300ms for
	 * some phys type ( e.g. JDSU )
	 */

Y
Yaniv Rosner 已提交
8110 8111 8112
	for (timeout = 0; timeout < 60; timeout++) {
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
8113 8114 8115
			DP(NETIF_MSG_LINK,
			   "SFP+ module initialization took %d ms\n",
			   timeout * 5);
Y
Yaniv Rosner 已提交
8116 8117 8118 8119 8120 8121
			return 0;
		}
		msleep(5);
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
8122

Y
Yaniv Rosner 已提交
8123 8124 8125 8126 8127 8128
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;
	/*
8129
	 * In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
8130 8131
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
8132 8133
	 * 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
8134 8135
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
8136
	 *
Y
Yaniv Rosner 已提交
8137 8138 8139 8140 8141
	 * 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;
8142
	if (is_power_up)
Y
Yaniv Rosner 已提交
8143 8144 8145 8146 8147 8148
		val = (1<<4);
	else
		/*
		 * Set GPIO control to OUTPUT, and set the power bit
		 * to according to the is_power_up
		 */
8149
		val = (1<<1);
E
Eilon Greenstein 已提交
8150

Y
Yaniv Rosner 已提交
8151 8152 8153 8154 8155
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
8156

Y
Yaniv Rosner 已提交
8157 8158 8159
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8160 8161
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
8162

Y
Yaniv Rosner 已提交
8163
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8164 8165 8166
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
8167 8168 8169 8170
	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
8171
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
8172
		bnx2x_cl45_write(bp, phy,
8173
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
8174 8175 8176
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
8177

Y
Yaniv Rosner 已提交
8178
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
8179

8180 8181 8182 8183
		/*
		 * 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
8184 8185
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
8186

Y
Yaniv Rosner 已提交
8187
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8188 8189 8190
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
8191
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8192 8193 8194
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
8195
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8196 8197 8198
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
8199
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8200 8201 8202
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
8203
	}
Y
Yaniv Rosner 已提交
8204
	return 0;
E
Eilon Greenstein 已提交
8205 8206
}

Y
Yaniv Rosner 已提交
8207 8208 8209
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8210
{
Y
Yaniv Rosner 已提交
8211 8212
	u16 phy_identifier;
	u16 rom_ver2_val;
8213
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8214 8215 8216
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
8217

Y
Yaniv Rosner 已提交
8218
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8219 8220 8221
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
8222

8223
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8224 8225 8226
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
8227 8228
	/* 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
8229 8230 8231
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
8232

Y
Yaniv Rosner 已提交
8233
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8234 8235 8236
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
8237

Y
Yaniv Rosner 已提交
8238
	return 0;
Y
Yaniv Rosner 已提交
8239
}
Y
Yaniv Rosner 已提交
8240

Y
Yaniv Rosner 已提交
8241 8242 8243 8244 8245 8246 8247 8248
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:
8249
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8250 8251 8252
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8253
			bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8254 8255 8256 8257 8258 8259 8260 8261
		break;
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

8262
static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
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 8289 8290 8291 8292 8293
					   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);
	}
}

8294 8295 8296 8297 8298 8299 8300 8301 8302 8303 8304 8305 8306 8307 8308 8309 8310 8311 8312 8313 8314 8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328 8329 8330 8331 8332 8333 8334 8335 8336
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;
8337 8338 8339

	if (pin_cfg == PIN_CFG_NA)
		return;
8340 8341 8342 8343 8344 8345 8346 8347 8348
	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);
}

8349 8350 8351
static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
				    struct link_params *params)
{
8352
	struct bnx2x *bp = params->bp;
8353
	bnx2x_warpcore_power_module(params, phy, 0);
8354 8355 8356 8357 8358 8359 8360
	/* 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);
8361 8362
}

Y
Yaniv Rosner 已提交
8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373 8374
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;
8375 8376 8377 8378 8379 8380 8381 8382 8383 8384 8385 8386 8387 8388 8389 8390 8391 8392 8393 8394 8395 8396 8397 8398 8399 8400 8401 8402 8403
	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
8404 8405 8406
	default:
		break;
	}
8407 8408 8409 8410 8411 8412 8413 8414

	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);

8415 8416 8417
	/* Restart microcode to re-read the new mode */
	bnx2x_warpcore_reset_lane(bp, phy, 1);
	bnx2x_warpcore_reset_lane(bp, phy, 0);
8418

Y
Yaniv Rosner 已提交
8419 8420 8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432
}

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;
8433 8434 8435
	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
8436 8437 8438
	}
}

Y
Yaniv Rosner 已提交
8439 8440
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
			       struct link_params *params)
Y
Yaniv Rosner 已提交
8441 8442
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8443
	u16 edc_mode;
Y
Yaniv Rosner 已提交
8444
	int rc = 0;
Y
Yaniv Rosner 已提交
8445

Y
Yaniv Rosner 已提交
8446 8447 8448
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
8449

Y
Yaniv Rosner 已提交
8450 8451
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
Y
Yaniv Rosner 已提交
8452 8453
	/* Power up module */
	bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
8454 8455 8456
	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
8457
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yaniv Rosner 已提交
8458 8459 8460 8461
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
8462 8463 8464
		bnx2x_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

Y
Yaniv Rosner 已提交
8465 8466 8467
		/* 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
8468
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Y
Yaniv Rosner 已提交
8469
			bnx2x_power_sfp_module(params, phy, 0);
Y
Yaniv Rosner 已提交
8470 8471 8472 8473
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
8474
		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8475
	}
Y
Yaniv Rosner 已提交
8476

8477 8478 8479 8480
	/*
	 * Check and set limiting mode / LRM mode on 8726. On 8727 it
	 * is done automatically
	 */
Y
Yaniv Rosner 已提交
8481 8482
	bnx2x_set_limiting_mode(params, phy, edc_mode);

Y
Yaniv Rosner 已提交
8483 8484 8485 8486 8487 8488 8489
	/*
	 * 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)
8490
		bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8491
	else
8492
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8493

Y
Yaniv Rosner 已提交
8494 8495 8496 8497
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
8498 8499
{
	struct bnx2x *bp = params->bp;
8500
	struct bnx2x_phy *phy;
Y
Yaniv Rosner 已提交
8501
	u32 gpio_val;
8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513
	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
8514

Y
Yaniv Rosner 已提交
8515
	/* Set valid module led off */
8516
	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
E
Eilon Greenstein 已提交
8517

8518
	/* Get current gpio val reflecting module plugged in / out*/
8519
	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8520

Y
Yaniv Rosner 已提交
8521 8522
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
Y
Yaniv Rosner 已提交
8523
		bnx2x_power_sfp_module(params, phy, 1);
8524
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8525
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8526
				   gpio_port);
Y
Yaniv Rosner 已提交
8527 8528 8529 8530 8531 8532
		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
8533 8534 8535
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
8536
		bnx2x_set_gpio_int(bp, gpio_num,
Y
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8537
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8538
				   gpio_port);
8539 8540 8541 8542
		/*
		 * Module was plugged out.
		 * Disable transmit for this module
		 */
Y
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8543
		phy->media_type = ETH_PHY_NOT_PRESENT;
Y
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8544 8545 8546
		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
		    CHIP_IS_E3(bp))
8547
			bnx2x_sfp_set_transmitter(params, phy, 0);
8548
	}
Y
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8549
}
8550

8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564 8565 8566 8567 8568 8569 8570 8571 8572 8573
/******************************************************************/
/*		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
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8574 8575 8576 8577 8578 8579 8580 8581 8582 8583 8584 8585
/******************************************************************/
/*		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*/
8586
	bnx2x_cl45_read(bp, phy,
8587
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8588

8589 8590
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
8591

Y
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8592 8593
	/* clear LASI indication*/
	bnx2x_cl45_read(bp, phy,
8594
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
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8595
	bnx2x_cl45_read(bp, phy,
8596
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
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8597
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8598 8599

	bnx2x_cl45_read(bp, phy,
Y
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8600 8601 8602 8603 8604 8605 8606
			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);
8607

Y
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8608 8609
	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);
8610 8611 8612
	/*
	 * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
	 * are set, or if the autoneg bit 1 is set
Y
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8613 8614 8615 8616 8617 8618 8619
	 */
	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;
8620
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8621
		vars->duplex = DUPLEX_FULL;
Y
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8622
	}
8623 8624 8625 8626

	/* Capture 10G link fault. Read twice to clear stale value. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8627
			    MDIO_PMA_LASI_TXSTAT, &val1);
8628
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8629
			    MDIO_PMA_LASI_TXSTAT, &val1);
8630 8631 8632 8633
		if (val1 & (1<<0))
			vars->fault_detected = 1;
	}

8634
	return link_up;
Y
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8635
}
8636

Y
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8637 8638 8639 8640
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
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8641 8642 8643
				 struct link_params *params,
				 struct link_vars *vars)
{
8644 8645
	u32 tx_en_mode;
	u16 cnt, val, tmp1;
Y
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8646
	struct bnx2x *bp = params->bp;
8647

Y
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8648
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
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8649
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
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8650 8651 8652
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8653
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8654

Y
Yaniv Rosner 已提交
8655 8656 8657 8658 8659 8660 8661 8662 8663 8664 8665 8666 8667 8668 8669 8670 8671 8672 8673 8674 8675 8676 8677 8678 8679 8680 8681 8682 8683 8684
	/* Wait until fw is loaded */
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
		if (val)
			break;
		msleep(10);
	}
	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		u8 i;
		u16 reg;
		for (i = 0; i < 4; i++) {
			reg = MDIO_XS_8706_REG_BANK_RX0 +
				i*(MDIO_XS_8706_REG_BANK_RX1 -
				   MDIO_XS_8706_REG_BANK_RX0);
			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
			/* Clear first 3 bits of the control */
			val &= ~0x7;
			/* Set control bits according to configuration */
			val |= (phy->rx_preemphasis[i] & 0x7);
			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
				   " reg 0x%x <-- val 0x%x\n", reg, val);
			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
		}
	}
	/* Force speed */
	if (phy->req_line_speed == SPEED_10000) {
		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
Y
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8685

Y
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8686 8687 8688 8689
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
8690
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8691 8692 8693
				 0);
		/* Arm LASI for link and Tx fault. */
		bnx2x_cl45_write(bp, phy,
8694
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Y
Yaniv Rosner 已提交
8695
	} else {
L
Lucas De Marchi 已提交
8696
		/* Force 1Gbps using autoneg with 1G advertisement */
Y
Yaniv Rosner 已提交
8697

Y
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8698 8699 8700 8701
		/* 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
8702

L
Lucas De Marchi 已提交
8703
		/* Enable Full-Duplex advertisement on CL37 */
Y
Yaniv Rosner 已提交
8704 8705 8706 8707 8708 8709 8710 8711
		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
8712

Y
Yaniv Rosner 已提交
8713 8714 8715 8716
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
8717
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8718 8719
				 0x0400);
		bnx2x_cl45_write(bp, phy,
8720
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
8721 8722 8723
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8724 8725 8726 8727 8728 8729 8730 8731 8732 8733 8734 8735 8736 8737 8738 8739 8740 8741 8742 8743

	/*
	 * 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
8744 8745
	return 0;
}
Y
Yaniv Rosner 已提交
8746

Y
Yaniv Rosner 已提交
8747 8748 8749
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8750 8751 8752
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
Yaniv Rosner 已提交
8753

Y
Yaniv Rosner 已提交
8754 8755 8756 8757 8758 8759 8760 8761 8762 8763
/******************************************************************/
/*			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);
}
8764

Y
Yaniv Rosner 已提交
8765 8766 8767 8768 8769 8770
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);
8771

Y
Yaniv Rosner 已提交
8772 8773 8774
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8775

Y
Yaniv Rosner 已提交
8776 8777
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8778 8779 8780
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8781

Y
Yaniv Rosner 已提交
8782
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8783 8784
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
8785

Y
Yaniv Rosner 已提交
8786
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8787 8788 8789
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
8790 8791 8792 8793 8794 8795

	/* 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
8796 8797
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
8798 8799 8800

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
Yaniv Rosner 已提交
8801 8802
}

Y
Yaniv Rosner 已提交
8803
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8804 8805 8806 8807
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8808 8809
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8810 8811
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8812 8813 8814 8815 8816 8817 8818
				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;
		}
8819 8820
	}
	return link_up;
Y
Yaniv Rosner 已提交
8821 8822
}

Y
Yaniv Rosner 已提交
8823

Y
Yaniv Rosner 已提交
8824 8825 8826
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8827 8828
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8829
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8830

Y
Yaniv Rosner 已提交
8831
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8832
	bnx2x_wait_reset_complete(bp, phy, params);
8833

Y
Yaniv Rosner 已提交
8834
	bnx2x_8726_external_rom_boot(phy, params);
8835

8836 8837 8838 8839 8840 8841
	/*
	 * 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
8842
	bnx2x_sfp_module_detection(phy, params);
8843

Y
Yaniv Rosner 已提交
8844 8845 8846 8847 8848 8849 8850
	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,
8851
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Y
Yaniv Rosner 已提交
8852
		bnx2x_cl45_write(bp, phy,
8853
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8854 8855 8856 8857 8858 8859 8860 8861 8862 8863 8864 8865 8866 8867 8868 8869 8870 8871 8872 8873
				 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);
8874 8875 8876 8877
		/*
		 * Enable RX-ALARM control to receive interrupt for 1G speed
		 * change
		 */
Y
Yaniv Rosner 已提交
8878
		bnx2x_cl45_write(bp, phy,
8879
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Y
Yaniv Rosner 已提交
8880
		bnx2x_cl45_write(bp, phy,
8881
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8882
				 0x400);
8883

Y
Yaniv Rosner 已提交
8884 8885
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
8886
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8887 8888
	}

Y
Yaniv Rosner 已提交
8889 8890 8891
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8892 8893
		DP(NETIF_MSG_LINK,
		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Y
Yaniv Rosner 已提交
8894 8895 8896 8897 8898 8899
			 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]);
8900

Y
Yaniv Rosner 已提交
8901 8902 8903 8904 8905
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
8906

Y
Yaniv Rosner 已提交
8907
	return 0;
8908

Y
Yaniv Rosner 已提交
8909 8910
}

Y
Yaniv Rosner 已提交
8911 8912
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
8913
{
Y
Yaniv Rosner 已提交
8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924
	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			  */
/******************************************************************/
8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936 8937 8938 8939 8940 8941 8942 8943 8944 8945 8946 8947 8948 8949 8950 8951 8952 8953 8954 8955 8956 8957 8958 8959 8960 8961 8962 8963 8964 8965 8966 8967 8968 8969 8970 8971

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
8972 8973 8974 8975
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
8976
	/*
Y
Yaniv Rosner 已提交
8977 8978
	 * The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
8979
	 */
Y
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8980 8981 8982 8983 8984
	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
8985
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8986
}
Y
Yaniv Rosner 已提交
8987

Y
Yaniv Rosner 已提交
8988 8989 8990
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8991
{
8992 8993
	u32 tx_en_mode;
	u16 tmp1, val, mod_abs, tmp2;
Y
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8994 8995
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
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8996
	struct bnx2x *bp = params->bp;
Y
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8997
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
Yaniv Rosner 已提交
8998

8999
	bnx2x_wait_reset_complete(bp, phy, params);
Y
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9000
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
9001 9002
	/* Should be 0x6 to enable XS on Tx side. */
	lasi_ctrl_val = 0x0006;
Y
Yaniv Rosner 已提交
9003

Y
Yaniv Rosner 已提交
9004 9005 9006
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
9007
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
9008
			 rx_alarm_ctrl_val);
9009
	bnx2x_cl45_write(bp, phy,
9010
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9011
			 0);
Y
Yaniv Rosner 已提交
9012
	bnx2x_cl45_write(bp, phy,
9013
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
Y
Yaniv Rosner 已提交
9014

9015 9016 9017 9018
	/*
	 * Initially configure MOD_ABS to interrupt when module is
	 * presence( bit 8)
	 */
Y
Yaniv Rosner 已提交
9019 9020
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9021 9022 9023 9024 9025
	/*
	 * 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'
	 */
9026 9027 9028
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
9029 9030
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9031 9032


9033 9034 9035
	/* Enable/Disable PHY transmitter output */
	bnx2x_set_disable_pmd_transmit(params, phy, 0);

Y
Yaniv Rosner 已提交
9036 9037 9038 9039
	/* 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);
9040 9041
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
Yaniv Rosner 已提交
9042

9043
	/*
9044 9045 9046 9047 9048
	 * 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
9049 9050
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
Yaniv Rosner 已提交
9051

Y
Yaniv Rosner 已提交
9052 9053 9054 9055 9056 9057
	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,
9058
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Y
Yaniv Rosner 已提交
9059 9060 9061 9062 9063 9064 9065 9066 9067 9068 9069

	/* 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);
9070
		/*
Y
Yaniv Rosner 已提交
9071 9072 9073 9074 9075 9076 9077 9078 9079 9080 9081 9082
		 * 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
9083 9084 9085 9086 9087 9088 9089 9090 9091 9092 9093 9094 9095
	} 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 {
9096
		/*
Y
Yaniv Rosner 已提交
9097 9098 9099 9100 9101 9102 9103 9104 9105 9106 9107 9108 9109
		 * 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
9110 9111
	}

9112 9113
	/*
	 * Set 2-wire transfer rate of SFP+ module EEPROM
Y
Yaniv Rosner 已提交
9114 9115 9116 9117 9118 9119
	 * 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
9120

Y
Yaniv Rosner 已提交
9121 9122 9123 9124 9125 9126 9127 9128 9129
	/* 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
9130

Y
Yaniv Rosner 已提交
9131 9132 9133 9134
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
Yaniv Rosner 已提交
9135

9136 9137 9138 9139 9140 9141 9142 9143 9144 9145 9146 9147 9148 9149 9150 9151 9152 9153
	/*
	 * 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);
9154 9155 9156 9157 9158 9159
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				&tmp2);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				 (tmp2 & 0x7fff));
9160 9161
	}

Y
Yaniv Rosner 已提交
9162
	return 0;
Y
Yaniv Rosner 已提交
9163 9164
}

Y
Yaniv Rosner 已提交
9165 9166
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
Yaniv Rosner 已提交
9167 9168
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9169 9170 9171 9172 9173 9174
	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
9175 9176
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
Yaniv Rosner 已提交
9177
	if (mod_abs & (1<<8)) {
Y
Yaniv Rosner 已提交
9178

Y
Yaniv Rosner 已提交
9179
		/* Module is absent */
9180 9181
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is absent\n");
Y
Yaniv Rosner 已提交
9182
		phy->media_type = ETH_PHY_NOT_PRESENT;
9183 9184 9185 9186 9187 9188 9189 9190
		/*
		 * 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'.
		 */
9191 9192 9193
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
9194
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9195 9196
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9197

9198 9199 9200 9201
		/*
		 * Clear RX alarm since it stays up as long as
		 * the mod_abs wasn't changed
		 */
Y
Yaniv Rosner 已提交
9202
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
9203
				MDIO_PMA_DEVAD,
9204
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9205

Y
Yaniv Rosner 已提交
9206 9207
	} else {
		/* Module is present */
9208 9209
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is present\n");
9210 9211 9212 9213 9214 9215 9216 9217
		/*
		 * 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)
		 */
9218 9219 9220
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
9221
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9222 9223
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9224

9225 9226 9227 9228 9229 9230
		/*
		 * 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
9231 9232
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
9233
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9234 9235


Y
Yaniv Rosner 已提交
9236 9237
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9238
			bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9239 9240 9241 9242 9243

		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
9244
	}
Y
Yaniv Rosner 已提交
9245 9246

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9247 9248
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
Yaniv Rosner 已提交
9249 9250
}

Y
Yaniv Rosner 已提交
9251 9252 9253 9254
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
9255 9256
{
	struct bnx2x *bp = params->bp;
9257
	u8 link_up = 0, oc_port = params->port;
Y
Yaniv Rosner 已提交
9258
	u16 link_status = 0;
Y
Yaniv Rosner 已提交
9259 9260 9261 9262
	u16 rx_alarm_status, lasi_ctrl, val1;

	/* If PHY is not initialized, do not check link status */
	bnx2x_cl45_read(bp, phy,
9263
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
9264 9265 9266 9267
			&lasi_ctrl);
	if (!lasi_ctrl)
		return 0;

9268
	/* Check the LASI on Rx */
Y
Yaniv Rosner 已提交
9269
	bnx2x_cl45_read(bp, phy,
9270
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Y
Yaniv Rosner 已提交
9271 9272 9273 9274
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

9275 9276
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
9277

Y
Yaniv Rosner 已提交
9278
	bnx2x_cl45_read(bp, phy,
9279
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
9280 9281 9282 9283 9284 9285 9286

	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);

9287
	/*
Y
Yaniv Rosner 已提交
9288 9289 9290 9291 9292 9293 9294 9295 9296 9297
	 * 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) {
9298 9299
			if (!CHIP_IS_E1x(bp))
				oc_port = BP_PATH(bp) + (params->port << 1);
9300 9301 9302
			DP(NETIF_MSG_LINK,
			   "8727 Power fault has been detected on port %d\n",
			   oc_port);
Y
Yaniv Rosner 已提交
9303 9304 9305 9306 9307 9308 9309
			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",
9310
			 oc_port);
9311
			/* Disable all RX_ALARMs except for mod_abs */
Y
Yaniv Rosner 已提交
9312 9313
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
9314
					 MDIO_PMA_LASI_RXCTRL, (1<<5));
Y
Yaniv Rosner 已提交
9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326

			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,
9327
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9328 9329 9330 9331 9332 9333 9334 9335 9336
			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,
9337
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
9338 9339
				 ((1<<5) | (1<<2)));
	}
9340 9341 9342 9343 9344

	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
		bnx2x_sfp_set_transmitter(params, phy, 1);
	} else {
Y
Yaniv Rosner 已提交
9345 9346 9347 9348 9349 9350 9351 9352
		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);

9353 9354 9355 9356
	/*
	 * Bits 0..2 --> speed detected,
	 * Bits 13..15--> link is down
	 */
Y
Yaniv Rosner 已提交
9357 9358 9359
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
9360 9361
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
9362 9363 9364 9365 9366 9367 9368 9369 9370 9371
	} 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);
	}
9372 9373 9374 9375

	/* Capture 10G link fault. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9376
			    MDIO_PMA_LASI_TXSTAT, &val1);
9377 9378

		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9379
			    MDIO_PMA_LASI_TXSTAT, &val1);
9380 9381 9382 9383 9384 9385

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

9386
	if (link_up) {
Y
Yaniv Rosner 已提交
9387
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9388 9389 9390
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
Yaniv Rosner 已提交
9391 9392 9393 9394 9395 9396

	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);
9397
		/*
Y
Yaniv Rosner 已提交
9398 9399 9400 9401 9402 9403 9404 9405 9406 9407 9408
		 * 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
9409
	return link_up;
Y
Yaniv Rosner 已提交
9410
}
Y
Yaniv Rosner 已提交
9411

Y
Yaniv Rosner 已提交
9412 9413
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
9414 9415
{
	struct bnx2x *bp = params->bp;
9416 9417 9418 9419

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

Y
Yaniv Rosner 已提交
9420
	/* Disable Transmitter */
9421
	bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9422
	/* Clear LASI */
9423
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Y
Yaniv Rosner 已提交
9424

Y
Yaniv Rosner 已提交
9425
}
9426

Y
Yaniv Rosner 已提交
9427 9428 9429 9430
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9431 9432
					    struct bnx2x *bp,
					    u8 port)
Y
Yaniv Rosner 已提交
9433
{
Y
Yaniv Rosner 已提交
9434
	u16 val, fw_ver1, fw_ver2, cnt;
Y
Yaniv Rosner 已提交
9435

9436 9437
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9438
		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9439 9440 9441 9442 9443 9444 9445 9446 9447 9448 9449 9450 9451 9452 9453 9454 9455 9456 9457 9458 9459 9460 9461
				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;
		}
9462

Y
Yaniv Rosner 已提交
9463

9464 9465 9466 9467 9468 9469 9470 9471 9472 9473 9474 9475 9476 9477 9478 9479 9480
		/* 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
9481

9482 9483 9484 9485
		/* 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
9486

9487
		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Y
Yaniv Rosner 已提交
9488
					  phy->ver_addr);
Y
Yaniv Rosner 已提交
9489 9490
	}

Y
Yaniv Rosner 已提交
9491 9492 9493
}
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
9494
{
9495
	u16 val, offset;
Y
Yaniv Rosner 已提交
9496

Y
Yaniv Rosner 已提交
9497 9498 9499
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9500
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Y
Yaniv Rosner 已提交
9501 9502
	val &= 0xFE00;
	val |= 0x0092;
9503

Y
Yaniv Rosner 已提交
9504 9505
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9506
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
9507

Y
Yaniv Rosner 已提交
9508 9509
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9510
			 MDIO_PMA_REG_8481_LED1_MASK,
Y
Yaniv Rosner 已提交
9511
			 0x80);
Y
Yaniv Rosner 已提交
9512

Y
Yaniv Rosner 已提交
9513 9514
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9515
			 MDIO_PMA_REG_8481_LED2_MASK,
Y
Yaniv Rosner 已提交
9516
			 0x18);
Y
Yaniv Rosner 已提交
9517

Y
Yaniv Rosner 已提交
9518
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
Yaniv Rosner 已提交
9519 9520
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9521
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
Yaniv Rosner 已提交
9522 9523 9524 9525 9526
			 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
9527
			MDIO_PMA_REG_8481_LED3_BLINK,
Y
Yaniv Rosner 已提交
9528 9529
			0);

9530 9531
	/* Configure the blink rate to ~15.9 Hz */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9532
			MDIO_PMA_DEVAD,
9533 9534
			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
Y
Yaniv Rosner 已提交
9535

9536 9537 9538 9539 9540 9541 9542 9543
	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
9544
	bnx2x_cl45_write(bp, phy,
9545
			 MDIO_PMA_DEVAD, offset, val);
Y
Yaniv Rosner 已提交
9546

Y
Yaniv Rosner 已提交
9547 9548 9549 9550
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
9551 9552
}

Y
Yaniv Rosner 已提交
9553 9554 9555
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
9556
{
9557
	struct bnx2x *bp = params->bp;
9558
	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
Y
Yaniv Rosner 已提交
9559

9560
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9561 9562 9563
		/* Save spirom version */
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
	}
9564 9565 9566 9567 9568
	/*
	 * 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
9569 9570
	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
9571

Y
Yaniv Rosner 已提交
9572 9573
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
9574

Y
Yaniv Rosner 已提交
9575
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
9576

Y
Yaniv Rosner 已提交
9577 9578 9579 9580
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
9581

Y
Yaniv Rosner 已提交
9582 9583 9584 9585 9586 9587 9588 9589 9590 9591 9592
	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
9593

Y
Yaniv Rosner 已提交
9594 9595 9596 9597 9598 9599 9600 9601 9602 9603 9604
	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
9605

Y
Yaniv Rosner 已提交
9606 9607 9608
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
9609

9610
	/* set 100 speed advertisement */
9611
	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Y
Yaniv Rosner 已提交
9612
	     (phy->speed_cap_mask &
9613
	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9614
	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Y
Yaniv Rosner 已提交
9615 9616 9617
		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
9618

Y
Yaniv Rosner 已提交
9619 9620 9621 9622 9623 9624
		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) &&
9625 9626 9627 9628 9629 9630
	     (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
9631 9632 9633 9634 9635 9636
		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
9637

Y
Yaniv Rosner 已提交
9638
	/* Only 10/100 are allowed to work in FORCE mode */
9639 9640 9641 9642
	if ((phy->req_line_speed == SPEED_100) &&
	    (phy->supported &
	     (SUPPORTED_100baseT_Half |
	      SUPPORTED_100baseT_Full))) {
Y
Yaniv Rosner 已提交
9643 9644 9645 9646 9647
		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));
9648 9649
		/* The PHY needs this set even for forced link. */
		an_10_100_val |= (1<<8) | (1<<7);
Y
Yaniv Rosner 已提交
9650 9651
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
9652 9653 9654 9655
	if ((phy->req_line_speed == SPEED_10) &&
	    (phy->supported &
	     (SUPPORTED_10baseT_Half |
	      SUPPORTED_10baseT_Full))) {
Y
Yaniv Rosner 已提交
9656 9657 9658 9659 9660 9661
		/* 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
9662

Y
Yaniv Rosner 已提交
9663 9664 9665
	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
9666

Y
Yaniv Rosner 已提交
9667 9668
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
9669

Y
Yaniv Rosner 已提交
9670 9671 9672 9673 9674 9675 9676
	/*
	 * 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
9677 9678
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
9679

Y
Yaniv Rosner 已提交
9680 9681 9682 9683
	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)) {
9684 9685
			DP(NETIF_MSG_LINK, "Advertising 10G\n");
			/* Restart autoneg for 10G*/
Y
Yaniv Rosner 已提交
9686

9687 9688 9689 9690
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					&an_10g_val);
9691
			bnx2x_cl45_write(bp, phy,
9692 9693 9694 9695 9696 9697
					 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
9698
	} else
Y
Yaniv Rosner 已提交
9699 9700 9701 9702
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
9703

Y
Yaniv Rosner 已提交
9704
	return 0;
Y
Yaniv Rosner 已提交
9705 9706
}

Y
Yaniv Rosner 已提交
9707 9708 9709
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9710 9711
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9712 9713
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
9714
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
9715

Y
Yaniv Rosner 已提交
9716 9717
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
9718
	bnx2x_wait_reset_complete(bp, phy, params);
9719

Y
Yaniv Rosner 已提交
9720 9721 9722
	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
9723

9724 9725 9726
#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
9727
				   struct link_params *params,
9728 9729
		   u16 fw_cmd,
		   u16 cmd_args[])
Y
Yaniv Rosner 已提交
9730 9731 9732 9733 9734 9735
{
	u32 idx;
	u16 val;
	struct bnx2x *bp = params->bp;
	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9736 9737 9738
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9739
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9740 9741
				MDIO_84833_CMD_HDLR_STATUS, &val);
		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
Y
Yaniv Rosner 已提交
9742 9743 9744
			break;
		msleep(1);
	}
9745 9746
	if (idx >= PHY84833_CMDHDLR_WAIT) {
		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
Y
Yaniv Rosner 已提交
9747 9748 9749
		return -EINVAL;
	}

9750 9751 9752 9753 9754 9755
	/* 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
9756
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9757 9758
			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9759
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9760 9761 9762
				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
9763 9764 9765
			break;
		msleep(1);
	}
9766 9767 9768
	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
9769 9770
		return -EINVAL;
	}
9771 9772 9773 9774 9775 9776
	/* 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
9777
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9778 9779
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
Y
Yaniv Rosner 已提交
9780 9781 9782
	return 0;
}

9783

9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 9810 9811 9812
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;
}

9813 9814 9815
static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 chip_id)
9816 9817 9818 9819 9820 9821 9822 9823 9824 9825 9826 9827 9828 9829 9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842 9843 9844 9845 9846 9847
{
	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]);
	}

9848 9849 9850 9851 9852 9853 9854 9855 9856 9857 9858 9859 9860 9861 9862 9863 9864 9865 9866 9867 9868 9869 9870 9871 9872 9873 9874
	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
9875
#define PHY84833_CONSTANT_LATENCY 1193
Y
Yaniv Rosner 已提交
9876 9877 9878
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
9879 9880
{
	struct bnx2x *bp = params->bp;
9881
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
9882
	u16 val;
9883 9884
	u32 actual_phy_selection, cms_enable;
	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Y
Yaniv Rosner 已提交
9885
	int rc = 0;
9886

Y
Yaniv Rosner 已提交
9887
	msleep(1);
Y
Yaniv Rosner 已提交
9888 9889

	if (!(CHIP_IS_E1(bp)))
9890 9891 9892
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
9893 9894 9895 9896 9897 9898

	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 {
9899
		/* MDIO reset */
Y
Yaniv Rosner 已提交
9900 9901 9902
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
9903 9904 9905 9906 9907 9908
	}

	bnx2x_wait_reset_complete(bp, phy, params);

	/* Wait for GPHY to come out of reset */
	msleep(50);
9909
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9910 9911 9912 9913 9914 9915 9916 9917 9918 9919 9920
		/*
		 * 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
9921 9922

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
9923
			MDIO_CTL_REG_84823_MEDIA, &val);
Y
Yaniv Rosner 已提交
9924 9925 9926 9927 9928
	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);
9929 9930 9931 9932 9933 9934 9935 9936

	if (CHIP_IS_E3(bp)) {
		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
	} else {
		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
	}
Y
Yaniv Rosner 已提交
9937 9938 9939 9940 9941

	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
9942
		/* Do nothing. Essentially this is like the priority copper */
Y
Yaniv Rosner 已提交
9943 9944 9945 9946 9947 9948 9949 9950 9951 9952 9953 9954 9955 9956 9957 9958 9959 9960 9961
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		/* Do nothing here. The first PHY won't be initialized at all */
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
		initialize = 0;
		break;
	}
	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;

	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
9962
			 MDIO_CTL_REG_84823_MEDIA, val);
Y
Yaniv Rosner 已提交
9963 9964 9965
	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

9966 9967
	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
9968

9969 9970
		/* Keep AutogrEEEn disabled. */
		cmd_args[0] = 0x0;
9971 9972 9973 9974 9975 9976 9977 9978
		cmd_args[1] = 0x0;
		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
		rc = bnx2x_84833_cmd_hdlr(phy, params,
			PHY84833_CMD_SET_EEE_MODE, cmd_args);
		if (rc != 0)
			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
	}
Y
Yaniv Rosner 已提交
9979 9980 9981
	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
9982
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Y
Yaniv Rosner 已提交
9983 9984 9985
	/* 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 +
9986 9987 9988 9989
			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
9990 9991 9992 9993 9994 9995 9996 9997 9998
		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);
	}
9999

10000 10001 10002 10003 10004 10005 10006 10007 10008 10009
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		/* Bring PHY out of super isolate mode as the final step. */
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
		val &= ~MDIO_84833_SUPER_ISOLATE;
		bnx2x_cl45_write(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
	}
Y
Yaniv Rosner 已提交
10010
	return rc;
Y
Yaniv Rosner 已提交
10011
}
Y
Yaniv Rosner 已提交
10012

Y
Yaniv Rosner 已提交
10013
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
10014 10015
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
10016 10017
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10018
	u16 val, val1, val2;
Y
Yaniv Rosner 已提交
10019
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
10020

10021

Y
Yaniv Rosner 已提交
10022 10023 10024 10025 10026
	/* Check 10G-BaseT link status */
	/* Check PMD signal ok */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, 0xFFFA, &val1);
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10027
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Y
Yaniv Rosner 已提交
10028 10029
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
10030

Y
Yaniv Rosner 已提交
10031 10032
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
10033
		vars->line_speed = SPEED_10000;
10034
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
10035 10036 10037 10038
		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
10039

Y
Yaniv Rosner 已提交
10040 10041 10042 10043
		/* 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
10044

Y
Yaniv Rosner 已提交
10045 10046 10047 10048 10049
		/* Get legacy speed operation status */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);
Y
Yaniv Rosner 已提交
10050

10051 10052
		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
		   legacy_status);
Y
Yaniv Rosner 已提交
10053 10054 10055 10056 10057 10058 10059 10060 10061 10062 10063
		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
10064

Y
Yaniv Rosner 已提交
10065 10066 10067 10068
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
10069

10070 10071 10072 10073
			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
10074 10075 10076 10077 10078 10079 10080 10081 10082 10083 10084 10085 10086 10087 10088
			/* 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
10089 10090
		}
	}
Y
Yaniv Rosner 已提交
10091 10092 10093 10094
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10095 10096 10097 10098 10099 10100 10101 10102 10103 10104 10105 10106 10107 10108 10109 10110 10111 10112 10113 10114 10115 10116 10117 10118 10119 10120 10121 10122 10123 10124 10125 10126 10127 10128 10129 10130

		/* 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
10131
	}
E
Eilon Greenstein 已提交
10132

Y
Yaniv Rosner 已提交
10133
	return link_up;
Y
Yaniv Rosner 已提交
10134 10135
}

Y
Yaniv Rosner 已提交
10136 10137

static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10138
{
Y
Yaniv Rosner 已提交
10139
	int status = 0;
Y
Yaniv Rosner 已提交
10140 10141 10142 10143
	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
10144
}
Y
Yaniv Rosner 已提交
10145 10146 10147

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
10148
{
Y
Yaniv Rosner 已提交
10149
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10150
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
Yaniv Rosner 已提交
10151
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10152
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
10153
}
Y
Yaniv Rosner 已提交
10154

Y
Yaniv Rosner 已提交
10155 10156 10157 10158 10159 10160 10161 10162 10163 10164 10165 10166 10167
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;
10168
	u8 port;
10169
	u16 val16;
Y
Yaniv Rosner 已提交
10170 10171

	if (!(CHIP_IS_E1(bp)))
10172 10173 10174
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
10175 10176 10177 10178 10179 10180

	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 {
10181 10182
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
10183 10184
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
		val16 |= MDIO_84833_SUPER_ISOLATE;
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		bnx2x_cl45_write(bp, phy,
10186 10187
				 MDIO_CTL_DEVAD,
				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Y
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10188
	}
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10189 10190
}

10191 10192 10193 10194 10195
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
				     struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 val;
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10196 10197 10198 10199 10200 10201
	u8 port;

	if (!(CHIP_IS_E1(bp)))
		port = BP_PATH(bp);
	else
		port = params->port;
10202 10203 10204 10205

	switch (mode) {
	case LED_MODE_OFF:

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10206
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10207 10208 10209 10210 10211 10212 10213 10214 10215 10216 10217 10218 10219 10220 10221 10222 10223 10224 10225 10226 10227 10228 10229 10230 10231 10232 10233 10234 10235 10236 10237 10238 10239 10240 10241

		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",
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10242
		   port);
10243 10244 10245 10246 10247 10248

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

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
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10249 10250 10251
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10252 10253

			bnx2x_cl45_write(bp, phy,
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10254 10255 10256
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);
10257 10258

			bnx2x_cl45_write(bp, phy,
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10259 10260 10261
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
10262 10263

			bnx2x_cl45_write(bp, phy,
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10264 10265 10266
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
10267 10268 10269 10270 10271 10272 10273 10274 10275 10276

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

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10277
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10278 10279 10280 10281 10282 10283 10284 10285 10286 10287 10288 10289

		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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10290 10291 10292
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
10293 10294 10295

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
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10296 10297 10298
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10299 10300

			bnx2x_cl45_write(bp, phy,
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10301 10302 10303
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
10304 10305

			bnx2x_cl45_write(bp, phy,
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10306 10307 10308
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
10309 10310

			bnx2x_cl45_write(bp, phy,
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10311 10312 10313
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
10314 10315
		} else {
			bnx2x_cl45_write(bp, phy,
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10316 10317 10318
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
10319 10320 10321 10322 10323
		}
		break;

	case LED_MODE_OPER:

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10324
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10325 10326 10327 10328 10329 10330 10331 10332 10333 10334 10335

		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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10336 10337
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10338
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10339 10340 10341 10342 10343 10344 10345 10346
				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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10347 10348 10349
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
10350 10351

			bnx2x_cl45_write(bp, phy,
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10352 10353 10354
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
10355 10356

			bnx2x_cl45_write(bp, phy,
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10357 10358 10359
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
10360 10361

			bnx2x_cl45_write(bp, phy,
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10362 10363 10364
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
10365 10366 10367 10368 10369 10370

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
10371 10372 10373 10374 10375 10376 10377 10378 10379 10380 10381 10382

			/* 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);
10383 10384 10385
		}
		break;
	}
10386 10387 10388 10389 10390 10391 10392 10393 10394

	/*
	 * 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);
	}
10395
}
10396

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10397
/******************************************************************/
10398
/*			54618SE PHY SECTION			  */
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10399
/******************************************************************/
10400
static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
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10401 10402 10403 10404 10405 10406 10407 10408
					       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;

10409
	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Y
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10410 10411
	usleep_range(1000, 1000);

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10412 10413 10414 10415
	/*
	 * This works with E3 only, no need to check the chip
	 * before determining the port.
	 */
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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 10508 10509 10510 10511 10512 10513 10514 10515 10516 10517 10518 10519 10520 10521 10522 10523 10524 10525 10526 10527 10528 10529 10530 10531 10532 10533 10534 10535 10536 10537 10538 10539 10540 10541 10542 10543 10544 10545 10546 10547 10548 10549 10550 10551 10552 10553 10554 10555 10556 10557 10558 10559
	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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10560 10561 10562 10563 10564 10565 10566 10567 10568 10569 10570 10571 10572 10573 10574 10575 10576 10577 10578 10579 10580 10581 10582 10583
	/* 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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10584 10585 10586 10587 10588 10589 10590 10591 10592 10593 10594 10595 10596
	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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10597 10598 10599 10600 10601 10602 10603 10604 10605 10606 10607 10608 10609 10610 10611 10612 10613 10614 10615 10616 10617 10618 10619 10620 10621 10622 10623 10624 10625 10626 10627 10628 10629 10630 10631 10632 10633

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;
}


10634 10635
static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
				     struct link_params *params)
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10636 10637 10638 10639 10640
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port;

10641 10642 10643 10644 10645 10646 10647 10648 10649
	/*
	 * 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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10650 10651 10652 10653 10654 10655 10656 10657 10658 10659 10660
	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);
}

10661 10662 10663
static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars)
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10664 10665 10666 10667 10668 10669 10670 10671 10672 10673
{
	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);
10674
	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
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10675 10676 10677 10678 10679 10680 10681 10682 10683 10684 10685 10686 10687 10688 10689 10690 10691 10692 10693 10694 10695 10696 10697 10698 10699 10700 10701 10702 10703 10704 10705 10706 10707

	/* 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;

10708 10709 10710 10711
		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
10712 10713 10714 10715 10716 10717 10718 10719 10720 10721 10722 10723 10724 10725 10726

		/* 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;

10727
		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Y
Yaniv Rosner 已提交
10728
			   vars->line_speed);
10729 10730 10731 10732 10733 10734 10735 10736 10737 10738 10739 10740 10741 10742 10743 10744 10745 10746 10747 10748 10749 10750 10751 10752

		/* Report whether EEE is resolved. */
		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
		if (val == MDIO_REG_GPHY_ID_54618SE) {
			if (vars->link_status &
			    LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
				val = 0;
			else {
				bnx2x_cl22_write(bp, phy,
					MDIO_REG_GPHY_CL45_ADDR_REG,
					MDIO_AN_DEVAD);
				bnx2x_cl22_write(bp, phy,
					MDIO_REG_GPHY_CL45_DATA_REG,
					MDIO_REG_GPHY_EEE_RESOLVED);
				bnx2x_cl22_write(bp, phy,
					MDIO_REG_GPHY_CL45_ADDR_REG,
					(0x1 << 14) | MDIO_AN_DEVAD);
				bnx2x_cl22_read(bp, phy,
					MDIO_REG_GPHY_CL45_DATA_REG,
					&val);
			}
			DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
		}

Y
Yaniv Rosner 已提交
10753
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10754 10755 10756 10757 10758 10759 10760 10761 10762 10763 10764 10765 10766 10767 10768 10769 10770 10771 10772 10773 10774 10775 10776 10777 10778 10779 10780 10781 10782

		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
10783 10784 10785 10786
	}
	return link_up;
}

10787 10788
static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
					  struct link_params *params)
Y
Yaniv Rosner 已提交
10789 10790 10791 10792 10793
{
	struct bnx2x *bp = params->bp;
	u16 val;
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;

10794
	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Y
Yaniv Rosner 已提交
10795 10796 10797 10798 10799 10800 10801 10802 10803 10804 10805 10806 10807 10808 10809 10810 10811 10812 10813 10814 10815 10816 10817 10818 10819 10820 10821 10822 10823 10824 10825 10826 10827

	/* 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
10828 10829 10830 10831 10832
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
10833 10834
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10835 10836 10837
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
10838 10839
}

Y
Yaniv Rosner 已提交
10840 10841 10842
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
10843
{
Y
Yaniv Rosner 已提交
10844
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
10845
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10846
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
10847

Y
Yaniv Rosner 已提交
10848 10849
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
10850
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
10851 10852
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
10853
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
10854

Y
Yaniv Rosner 已提交
10855
	bnx2x_cl45_write(bp, phy,
10856
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Y
Yaniv Rosner 已提交
10857 10858 10859
	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
10860

Y
Yaniv Rosner 已提交
10861 10862 10863 10864 10865 10866 10867
	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
10868

Y
Yaniv Rosner 已提交
10869 10870 10871
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
10872

Y
Yaniv Rosner 已提交
10873 10874 10875 10876 10877 10878
	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
10879

Y
Yaniv Rosner 已提交
10880 10881 10882
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
10883 10884
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10885 10886 10887
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
10888
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
10889
	bnx2x_cl45_read(bp, phy,
10890
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
10891 10892 10893 10894 10895 10896 10897 10898 10899
	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);
10900
	/* if link is up print the AN outcome of the SFX7101 PHY */
Y
Yaniv Rosner 已提交
10901 10902 10903 10904 10905
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
10906
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
10907 10908 10909 10910
		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);
10911 10912 10913 10914 10915

		/* read LP advertised speeds */
		if (val2 & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Y
Yaniv Rosner 已提交
10916 10917 10918
	}
	return link_up;
}
E
Eilon Greenstein 已提交
10919

Y
Yaniv Rosner 已提交
10920
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10921 10922 10923 10924 10925 10926 10927 10928 10929
{
	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;
10930 10931 10932
	return 0;
}

Y
Yaniv Rosner 已提交
10933
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10934
{
Y
Yaniv Rosner 已提交
10935
	u16 val, cnt;
10936

Y
Yaniv Rosner 已提交
10937
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10938 10939
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
10940

Y
Yaniv Rosner 已提交
10941 10942 10943 10944
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10945 10946 10947
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
Y
Yaniv Rosner 已提交
10948 10949
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10950 10951
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
10952

Y
Yaniv Rosner 已提交
10953 10954
		if ((val & (1<<15)) == 0)
			break;
10955 10956
	}
}
Y
Yaniv Rosner 已提交
10957

Y
Yaniv Rosner 已提交
10958 10959 10960 10961
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
10962
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10963 10964
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10965
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10966
}
Y
Yaniv Rosner 已提交
10967

10968 10969 10970 10971 10972 10973 10974 10975 10976 10977 10978 10979 10980 10981 10982 10983 10984 10985 10986 10987 10988 10989 10990
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
10991 10992 10993
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
10994

Y
Yaniv Rosner 已提交
10995 10996 10997 10998
static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.def_md_devad	= 0,
10999
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
11000 11001 11002 11003 11004 11005
	.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
11006 11007 11008
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
11009 11010 11011 11012 11013 11014 11015 11016
	.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
11017 11018
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11019
};
Y
Yaniv Rosner 已提交
11020

Y
Yaniv Rosner 已提交
11021 11022 11023 11024
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11025
	.flags		= 0,
Y
Yaniv Rosner 已提交
11026 11027 11028 11029 11030 11031 11032 11033 11034 11035 11036 11037 11038
	.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
11039
	.media_type	= ETH_PHY_BASE_T,
Y
Yaniv Rosner 已提交
11040 11041
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
11042 11043
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
11044 11045
	.req_duplex	= 0,
	.rsrv		= 0,
Y
Yaniv Rosner 已提交
11046
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
Yaniv Rosner 已提交
11047 11048 11049 11050 11051
	.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
11052 11053
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11054
};
Y
Yaniv Rosner 已提交
11055 11056 11057 11058 11059

static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11060
	.flags		= 0,
Y
Yaniv Rosner 已提交
11061 11062 11063 11064 11065 11066 11067 11068 11069 11070 11071 11072 11073 11074
	.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
11075
	.media_type	= ETH_PHY_CX4,
Y
Yaniv Rosner 已提交
11076 11077
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
11078 11079
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
11080 11081
	.req_duplex	= 0,
	.rsrv		= 0,
Y
Yaniv Rosner 已提交
11082
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
Yaniv Rosner 已提交
11083 11084 11085 11086 11087
	.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
11088 11089
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11090
};
11091 11092 11093 11094
static struct bnx2x_phy phy_warpcore = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11095
	.flags		= FLAGS_HW_LOCK_REQUIRED,
11096 11097 11098 11099 11100 11101 11102 11103 11104 11105 11106 11107 11108 11109 11110 11111 11112 11113 11114 11115 11116 11117 11118 11119 11120 11121 11122
	.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,
11123
	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11124 11125 11126 11127
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

Y
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11128 11129 11130 11131 11132

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.def_md_devad	= 0,
11133
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
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11134 11135 11136 11137 11138 11139 11140 11141 11142 11143 11144
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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11145 11146
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11147 11148 11149 11150 11151 11152 11153 11154
	.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,
11155
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
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11156
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11157 11158 11159 11160 11161
};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.def_md_devad	= 0,
11162
	.flags		= FLAGS_HW_LOCK_REQUIRED,
Y
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11163 11164 11165 11166 11167 11168 11169 11170 11171 11172
	.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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11173
	.media_type	= ETH_PHY_KR,
Y
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11174
	.ver_addr	= 0,
Y
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11175 11176 11177
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11178 11179
	.req_duplex	= 0,
	.rsrv		= 0,
11180
	.config_init	= (config_init_t)bnx2x_8073_config_init,
Y
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11181 11182 11183 11184 11185
	.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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11186 11187
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11188 11189 11190 11191 11192
};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.def_md_devad	= 0,
11193
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11194 11195 11196 11197 11198 11199 11200 11201 11202 11203 11204 11205 11206 11207 11208 11209 11210 11211 11212 11213
	.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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11214 11215
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11216 11217 11218 11219 11220
};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.def_md_devad	= 0,
11221
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11222 11223 11224 11225 11226 11227 11228 11229 11230 11231 11232 11233 11234 11235 11236 11237 11238 11239 11240 11241 11242
	.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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11243 11244
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11245 11246 11247 11248 11249
};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
11250
	.def_md_devad	= 0,
Y
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11251
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11252
			   FLAGS_INIT_XGXS_FIRST),
Y
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11253 11254 11255 11256 11257 11258 11259 11260 11261
	.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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11262
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11263 11264 11265 11266 11267 11268 11269 11270 11271 11272 11273 11274
	.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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11275 11276
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11277 11278 11279 11280 11281 11282
};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.def_md_devad	= 0,
11283
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
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11284 11285 11286 11287 11288 11289 11290 11291
	.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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11292
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11293 11294 11295 11296 11297 11298 11299 11300 11301 11302 11303 11304
	.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,
11305
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
Y
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11306
	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Y
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11307 11308 11309 11310
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
11311
	.def_md_devad	= 0,
Y
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11312 11313
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
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11314 11315 11316 11317 11318 11319 11320 11321 11322 11323 11324 11325 11326 11327 11328 11329 11330 11331 11332 11333 11334 11335 11336 11337 11338 11339
	.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,
11340
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11341
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11342 11343
};

Y
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11344 11345 11346
static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
11347
	.def_md_devad	= 0,
Y
Yaniv Rosner 已提交
11348 11349
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
Yaniv Rosner 已提交
11350 11351 11352 11353 11354 11355 11356 11357 11358 11359 11360 11361 11362 11363 11364 11365 11366 11367 11368 11369 11370 11371 11372 11373 11374 11375
	.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,
11376
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11377
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11378 11379
};

11380 11381 11382
static struct bnx2x_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
11383
	.def_md_devad	= 0,
11384 11385 11386 11387 11388
	.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,
11389
	.supported	= (SUPPORTED_100baseT_Half |
11390 11391 11392 11393 11394 11395 11396 11397 11398 11399 11400 11401 11402 11403 11404 11405 11406 11407 11408
			   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,
11409
	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11410 11411 11412 11413
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)NULL
};

11414 11415
static struct bnx2x_phy phy_54618se = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Y
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11416 11417 11418 11419 11420 11421 11422 11423 11424 11425 11426 11427 11428 11429 11430 11431 11432 11433 11434 11435 11436 11437
	.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,
11438 11439 11440 11441
	.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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11442 11443
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
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11444
	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
Y
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11445 11446
	.phy_specific_func = (phy_specific_func_t)NULL
};
Y
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11447 11448 11449 11450 11451 11452 11453 11454 11455 11456 11457 11458 11459
/*****************************************************************/
/*                                                               */
/* 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++) {
11460
		/*
Y
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11461 11462 11463 11464
		 * 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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11465 11466 11467
		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11468
			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Y
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11469 11470 11471

			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11472
			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Y
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11473 11474 11475
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11476
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
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11477

Y
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11478 11479
			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
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11480
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
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11481
		}
Y
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11482 11483 11484 11485 11486 11487 11488 11489 11490 11491 11492 11493 11494 11495 11496 11497 11498 11499 11500

		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);

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

static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
				    u8 phy_index, u8 port)
{
	u32 ext_phy_config = 0;
	switch (phy_index) {
	case EXT_PHY1:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config));
		break;
Y
Yaniv Rosner 已提交
11501 11502 11503 11504 11505
	case EXT_PHY2:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config2));
		break;
Y
Yaniv Rosner 已提交
11506 11507 11508 11509 11510 11511 11512
	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
Y
Yaniv Rosner 已提交
11513 11514
static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				  struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11515 11516 11517 11518 11519 11520 11521
{
	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);
11522 11523 11524
	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);

11525 11526 11527
	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
	if (USES_WARPCORE(bp)) {
		u32 serdes_net_if;
Y
Yaniv Rosner 已提交
11528
		phy_addr = REG_RD(bp,
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 11554 11555 11556 11557 11558 11559 11560 11561 11562 11563 11564 11565 11566 11567 11568 11569 11570 11571 11572 11573 11574 11575 11576 11577 11578 11579 11580 11581 11582 11583 11584 11585 11586 11587 11588 11589 11590 11591 11592 11593 11594 11595 11596 11597 11598 11599 11600 11601 11602 11603 11604 11605
				  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;
11606 11607
		else
			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11608 11609 11610 11611 11612 11613 11614 11615 11616 11617 11618 11619 11620 11621 11622 11623 11624 11625
	} 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
11626 11627 11628 11629 11630
	}
	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
11631 11632 11633 11634
	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
11635 11636 11637 11638 11639 11640 11641 11642

	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
11643 11644 11645 11646 11647 11648
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
11649 11650 11651 11652 11653 11654 11655 11656 11657 11658 11659 11660 11661 11662 11663 11664 11665 11666 11667 11668 11669 11670 11671 11672 11673 11674 11675 11676
{
	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
11677
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Y
Yaniv Rosner 已提交
11678 11679 11680 11681 11682 11683 11684 11685 11686 11687
	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;
11688 11689 11690
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
Y
Yaniv Rosner 已提交
11691
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11692 11693
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
		*phy = phy_54618se;
Y
Yaniv Rosner 已提交
11694
		break;
Y
Yaniv Rosner 已提交
11695 11696 11697 11698 11699 11700 11701 11702
	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
11703 11704 11705 11706
		/* 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
11707 11708 11709 11710 11711 11712
		return 0;
	}

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

11713 11714 11715 11716 11717
	/*
	 * 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
11718 11719
	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
Y
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11720 11721 11722
	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
11723

Y
Yaniv Rosner 已提交
11724 11725 11726 11727
		/* 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
11728 11729
	} else {
		u32 size = REG_RD(bp, shmem2_base);
Y
Yaniv Rosner 已提交
11730

Y
Yaniv Rosner 已提交
11731 11732 11733 11734 11735 11736 11737 11738 11739 11740 11741 11742 11743
		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
11744 11745
	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

11746 11747 11748 11749 11750 11751 11752 11753 11754 11755 11756 11757 11758
	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);
	}

11759
	/*
Y
Yaniv Rosner 已提交
11760 11761 11762 11763 11764 11765 11766 11767 11768 11769 11770 11771 11772
	 * 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
11773 11774
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
11775
{
Y
Yaniv Rosner 已提交
11776
	int status = 0;
Y
Yaniv Rosner 已提交
11777 11778 11779
	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
11780
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
11781 11782 11783 11784 11785 11786
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
11787
			      u8 phy_index)
Y
Yaniv Rosner 已提交
11788 11789 11790 11791
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
Y
Yaniv Rosner 已提交
11792 11793
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11794
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11795 11796
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11797 11798
					     offsetof(struct shmem_region,
						      dev_info.
Y
Yaniv Rosner 已提交
11799 11800 11801
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11802
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11803 11804
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11805 11806 11807
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
Y
Yaniv Rosner 已提交
11808
	}
11809 11810 11811
	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
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 11839 11840 11841 11842 11843 11844 11845 11846 11847 11848 11849 11850 11851 11852 11853 11854 11855 11856 11857

	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
11858 11859 11860 11861 11862 11863 11864 11865 11866 11867 11868 11869 11870 11871 11872 11873 11874 11875 11876 11877 11878 11879 11880 11881 11882 11883 11884 11885 11886 11887 11888 11889 11890
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
11891
int bnx2x_phy_probe(struct link_params *params)
Y
Yaniv Rosner 已提交
11892
{
Y
Yaniv Rosner 已提交
11893
	u8 phy_index, actual_phy_idx;
Y
Yaniv Rosner 已提交
11894
	u32 phy_config_swapped, sync_offset, media_types;
Y
Yaniv Rosner 已提交
11895 11896 11897 11898
	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
11899 11900
	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Y
Yaniv Rosner 已提交
11901 11902 11903 11904

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		actual_phy_idx = phy_index;
Y
Yaniv Rosner 已提交
11905 11906 11907 11908 11909 11910 11911 11912 11913
		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
11914 11915
		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Y
Yaniv Rosner 已提交
11916
				       params->shmem2_base, params->port,
Y
Yaniv Rosner 已提交
11917 11918 11919 11920 11921 11922 11923 11924 11925 11926 11927 11928 11929
				       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
11930 11931 11932 11933 11934 11935 11936 11937 11938 11939 11940 11941 11942 11943 11944 11945 11946 11947 11948 11949
		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
11950
		bnx2x_phy_def_cfg(params, phy, phy_index);
Y
Yaniv Rosner 已提交
11951 11952 11953 11954 11955 11956 11957
		params->num_phys++;
	}

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

11958 11959
void bnx2x_init_bmac_loopback(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
11960 11961 11962 11963 11964 11965 11966
{
	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
11967

Y
Yaniv Rosner 已提交
11968
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
11969

Y
Yaniv Rosner 已提交
11970
		bnx2x_xgxs_deassert(params);
Y
Yaniv Rosner 已提交
11971

Y
Yaniv Rosner 已提交
11972 11973
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
11974

Y
Yaniv Rosner 已提交
11975
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11976
}
Y
Yaniv Rosner 已提交
11977

11978 11979 11980 11981
void bnx2x_init_emac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
11982 11983 11984 11985 11986
		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
11987

Y
Yaniv Rosner 已提交
11988
		vars->phy_flags = PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
11989

Y
Yaniv Rosner 已提交
11990 11991 11992 11993
		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
Y
Yaniv Rosner 已提交
11994
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11995
}
Y
Yaniv Rosner 已提交
11996

11997 11998 11999 12000 12001 12002 12003 12004 12005 12006 12007 12008 12009 12010 12011 12012 12013
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
12014 12015 12016
	bnx2x_set_aer_mmd(params, &params->phy[0]);
	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
	params->phy[INT_PHY].config_loopback(
12017 12018
			&params->phy[INT_PHY],
			params);
Y
Yaniv Rosner 已提交
12019

12020 12021 12022 12023 12024 12025 12026 12027 12028 12029 12030 12031 12032 12033 12034 12035 12036 12037 12038
	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);
}

12039 12040 12041 12042
void bnx2x_init_xgxs_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
12043 12044
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
12045
		vars->duplex = DUPLEX_FULL;
12046
	if (params->req_line_speed[0] == SPEED_1000)
Y
Yaniv Rosner 已提交
12047
			vars->line_speed = SPEED_1000;
12048
	else
Y
Yaniv Rosner 已提交
12049
			vars->line_speed = SPEED_10000;
12050

12051 12052
	if (!USES_WARPCORE(bp))
		bnx2x_xgxs_deassert(params);
12053 12054 12055
	bnx2x_link_initialize(params, vars);

	if (params->req_line_speed[0] == SPEED_1000) {
12056 12057 12058 12059 12060 12061 12062 12063 12064 12065 12066 12067
		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);
	}
12068

Y
Yaniv Rosner 已提交
12069 12070 12071 12072 12073
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
12074

Y
Yaniv Rosner 已提交
12075 12076 12077 12078 12079 12080 12081 12082 12083 12084 12085
		} 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
12086
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
12087

12088 12089 12090 12091 12092 12093 12094 12095 12096 12097 12098 12099 12100 12101 12102 12103 12104 12105 12106 12107 12108 12109 12110 12111 12112 12113 12114 12115 12116
	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
12117 12118 12119
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;

12120 12121 12122 12123 12124 12125 12126 12127 12128 12129 12130 12131 12132 12133
	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;
12134 12135 12136 12137 12138 12139
	case LOOPBACK_XMAC:
		bnx2x_init_xmac_loopback(params, vars);
		break;
	case LOOPBACK_UMAC:
		bnx2x_init_umac_loopback(params, vars);
		break;
12140 12141 12142 12143 12144
	case LOOPBACK_XGXS:
	case LOOPBACK_EXT_PHY:
		bnx2x_init_xgxs_loopback(params, vars);
		break;
	default:
12145 12146 12147 12148 12149 12150
		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
12151 12152 12153
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
12154
		break;
Y
Yaniv Rosner 已提交
12155
	}
Y
Yaniv Rosner 已提交
12156 12157
	return 0;
}
Y
Yaniv Rosner 已提交
12158 12159 12160

int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		     u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
12161 12162
{
	struct bnx2x *bp = params->bp;
12163
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
12164 12165 12166 12167 12168
	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
12169 12170 12171 12172
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12173

Y
Yaniv Rosner 已提交
12174 12175
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
12176

Y
Yaniv Rosner 已提交
12177
	/* disable nig egress interface */
12178 12179 12180 12181
	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
12182

Y
Yaniv Rosner 已提交
12183
	/* Stop BigMac rx */
12184 12185
	if (!CHIP_IS_E3(bp))
		bnx2x_bmac_rx_disable(bp, port);
12186
	else {
12187
		bnx2x_xmac_disable(params);
12188 12189
		bnx2x_umac_disable(params);
	}
Y
Yaniv Rosner 已提交
12190
	/* disable emac */
12191 12192
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
12193

Y
Yaniv Rosner 已提交
12194
	msleep(10);
L
Lucas De Marchi 已提交
12195
	/* The PHY reset is controlled by GPIO 1
Y
Yaniv Rosner 已提交
12196 12197 12198
	 * Hold it as vars low
	 */
	 /* clear link led */
12199 12200
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
12201
	if (reset_ext_phy) {
12202
		bnx2x_set_mdio_clk(bp, params->chip_id, port);
Y
Yaniv Rosner 已提交
12203 12204
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
12205 12206 12207
			if (params->phy[phy_index].link_reset) {
				bnx2x_set_aer_mmd(params,
						  &params->phy[phy_index]);
Y
Yaniv Rosner 已提交
12208 12209 12210
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
12211
			}
12212 12213 12214
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
12215 12216 12217
		}
	}

12218 12219 12220 12221 12222 12223
	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
12224 12225 12226
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
Y
Yaniv Rosner 已提交
12227

Y
Yaniv Rosner 已提交
12228
	/* disable nig ingress interface */
12229
	if (!CHIP_IS_E3(bp)) {
12230 12231 12232
		/* reset BigMac */
		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12233 12234
		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12235 12236 12237 12238 12239 12240 12241
	} 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);
12242
	}
Y
Yaniv Rosner 已提交
12243
	vars->link_up = 0;
12244
	vars->phy_flags = 0;
Y
Yaniv Rosner 已提交
12245 12246 12247
	return 0;
}

Y
Yaniv Rosner 已提交
12248 12249 12250
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
12251 12252 12253 12254
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
12255
{
Y
Yaniv Rosner 已提交
12256 12257
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
12258
	u16 val;
Y
Yaniv Rosner 已提交
12259
	s8 port = 0;
D
Dmitry Kravkov 已提交
12260
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
12261 12262 12263 12264 12265
	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
12266 12267
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12268 12269
		u32 shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
12270
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12271 12272 12273
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12274 12275 12276 12277
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12278 12279
		}

Y
Yaniv Rosner 已提交
12280
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12281
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12282
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12283 12284 12285 12286
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
12287
		/* disable attentions */
12288 12289
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
12290 12291 12292 12293
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12294 12295 12296 12297

		/* 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
12298 12299
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12300 12301

		/* Reset the phy */
Y
Yaniv Rosner 已提交
12302
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12303 12304 12305
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
12306 12307 12308 12309 12310
	}

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

Y
Yaniv Rosner 已提交
12311 12312 12313 12314 12315 12316 12317 12318
	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
12319 12320
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12321
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12322
			port_of_path = port;
12323 12324
		else
			port_of_path = 0;
Y
Yaniv Rosner 已提交
12325

D
Dmitry Kravkov 已提交
12326 12327
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12328 12329
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
12330 12331 12332
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
12333
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12334 12335
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12336 12337

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
12338
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12339 12340 12341
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
12342 12343
	}

12344 12345 12346 12347
	/*
	 * Toggle Transmitter: Power down and then up with 600ms delay
	 * between
	 */
Y
Yaniv Rosner 已提交
12348 12349 12350 12351
	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
12352
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
12353
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
12354
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12355 12356
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12357

Y
Yaniv Rosner 已提交
12358
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12359 12360
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yaniv Rosner 已提交
12361 12362 12363
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
12364
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12365 12366
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
12367
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12368 12369
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
12370 12371 12372

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12373
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
12374 12375 12376
	}
	return 0;
}
Y
Yaniv Rosner 已提交
12377 12378 12379 12380
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
12381 12382 12383 12384 12385 12386 12387 12388 12389 12390 12391
{
	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);

12392
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
12393 12394
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
12395 12396 12397
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12398
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12399 12400
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
12401 12402 12403
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
D
Dmitry Kravkov 已提交
12404
		}
Y
Yaniv Rosner 已提交
12405
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12406
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
12407 12408 12409 12410 12411 12412 12413 12414 12415 12416 12417 12418 12419
				       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
12420 12421
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12422 12423 12424 12425
	}

	return 0;
}
12426 12427 12428 12429 12430 12431 12432 12433 12434 12435 12436 12437 12438 12439 12440 12441 12442 12443 12444 12445 12446 12447 12448 12449 12450 12451 12452 12453 12454 12455 12456 12457 12458 12459 12460 12461 12462 12463 12464 12465 12466 12467 12468 12469 12470
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
12471 12472 12473 12474 12475

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
12476
{
12477
	s8 port, reset_gpio;
E
Eilon Greenstein 已提交
12478
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
12479 12480
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
12481
	s8 port_of_path;
Y
Yaniv Rosner 已提交
12482 12483
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
Eilon Greenstein 已提交
12484

12485
	reset_gpio = MISC_REGISTERS_GPIO_1;
Y
Yaniv Rosner 已提交
12486
	port = 1;
E
Eilon Greenstein 已提交
12487

12488 12489 12490 12491 12492 12493
	/*
	 * 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
12494 12495 12496 12497

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

12498 12499 12500 12501 12502 12503 12504
	/* 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
12505
	msleep(5);
E
Eilon Greenstein 已提交
12506

E
Eilon Greenstein 已提交
12507
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
12508
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12509 12510 12511
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12512
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12513 12514 12515
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12516 12517 12518 12519
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12520 12521
		}

E
Eilon Greenstein 已提交
12522
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12523
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12524
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12525 12526 12527 12528
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
12529
		/* disable attentions */
D
Dmitry Kravkov 已提交
12530 12531 12532 12533 12534 12535
		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
12536 12537 12538


		/* Reset the phy */
Y
Yaniv Rosner 已提交
12539
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12540
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
Eilon Greenstein 已提交
12541 12542 12543 12544
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
12545 12546 12547 12548 12549 12550 12551
	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
12552
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
12553
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12554
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12555
			port_of_path = port;
12556 12557
		else
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12558 12559
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12560 12561
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
E
Eilon Greenstein 已提交
12562
			return -EINVAL;
12563 12564 12565 12566
		/* 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
12567

12568
	}
E
Eilon Greenstein 已提交
12569 12570 12571
	return 0;
}

12572 12573 12574 12575 12576 12577 12578 12579 12580 12581 12582 12583 12584
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);
12585 12586
	return 0;
}
12587

12588 12589 12590 12591 12592 12593 12594
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,
12595 12596
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &val);
12597 12598 12599 12600 12601 12602 12603
		if (!(val & (1<<15)))
			break;
		msleep(1);
	}
	if (cnt >= 1500) {
		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
		return -EINVAL;
12604 12605
	}

12606 12607 12608 12609 12610 12611 12612 12613 12614 12615 12616
	/* 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);
12617 12618 12619
	return 0;
}

12620 12621 12622 12623 12624 12625 12626 12627 12628 12629 12630 12631 12632 12633 12634 12635 12636 12637 12638 12639 12640 12641
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;
}
12642

Y
Yaniv Rosner 已提交
12643 12644 12645
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
12646
{
Y
Yaniv Rosner 已提交
12647
	int rc = 0;
Y
Yaniv Rosner 已提交
12648 12649 12650

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
12651 12652 12653
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12654
		break;
Y
Yaniv Rosner 已提交
12655
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
E
Eilon Greenstein 已提交
12656 12657
	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
12658 12659 12660
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
12661 12662
		break;

E
Eilon Greenstein 已提交
12663
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12664 12665 12666 12667
		/*
		 * GPIO1 affects both ports, so there's need to pull
		 * it for single port alone
		 */
D
Dmitry Kravkov 已提交
12668 12669 12670
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12671
		break;
12672 12673 12674 12675 12676
	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.
		 */
12677 12678 12679
		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
12680
		break;
Y
Yaniv Rosner 已提交
12681 12682
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
12683
		break;
Y
Yaniv Rosner 已提交
12684 12685
	default:
		DP(NETIF_MSG_LINK,
12686 12687
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
Yaniv Rosner 已提交
12688 12689 12690
		break;
	}

12691 12692 12693 12694
	if (rc != 0)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
Y
Yaniv Rosner 已提交
12695 12696 12697
	return rc;
}

Y
Yaniv Rosner 已提交
12698 12699
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
12700
{
Y
Yaniv Rosner 已提交
12701
	int rc = 0;
12702 12703
	u32 phy_ver, val;
	u8 phy_index = 0;
Y
Yaniv Rosner 已提交
12704
	u32 ext_phy_type, ext_phy_config;
12705 12706
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Y
Yaniv Rosner 已提交
12707
	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12708 12709 12710 12711 12712
	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);
	}
12713 12714 12715 12716 12717 12718 12719 12720 12721 12722
	/* 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
12723 12724 12725 12726
	/* 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
12727
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
12728 12729
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
12730 12731 12732 12733
		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
12734 12735 12736
	}
	return rc;
}
12737

12738 12739 12740 12741 12742 12743 12744 12745 12746 12747 12748 12749 12750 12751 12752 12753 12754 12755 12756 12757 12758 12759 12760 12761 12762 12763 12764 12765 12766 12767 12768 12769 12770 12771 12772 12773 12774 12775 12776 12777 12778 12779 12780 12781 12782 12783 12784 12785 12786 12787 12788 12789 12790 12791
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
12792
		DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
12793 12794 12795 12796 12797 12798 12799 12800 12801
		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 {
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		DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
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		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);
}

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/******************************************************************************
* Description:
*	This function checks for half opened connection change indication.
*	When such change occurs, it calls the bnx2x_analyze_link_error
*	to check if Remote Fault is set or cleared. Reception of remote fault
*	status message in the MAC indicates that the peer's MAC has detected
*	a fault, for example, due to break in the TX side of fiber.
*
******************************************************************************/
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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;

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	if (CHIP_IS_E3(bp) &&
12839
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
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	      (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)) {
12860 12861 12862 12863 12864 12865 12866 12867 12868 12869 12870 12871 12872 12873 12874 12875 12876 12877 12878 12879 12880
		/* 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);
12893
		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);
}