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linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
Yaniv Rosner 3756a89f3d bnx2x: Add new PHY BCM54616 
The BCM54616 PHY is very similar to the 54618SE, only without EEE support, which will not be activated due to querying the actual PHY type.
This check is already done by reading a dedicated PHY register.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-26 12:55:18 -04:00

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/* Copyright 2008-2011 Broadcom Corporation
*
* 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
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#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"
#include "bnx2x_cmn.h"
/********************************************************/
#define ETH_HLEN 14
/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
#define ETH_MIN_PACKET_SIZE 60
#define ETH_MAX_PACKET_SIZE 1500
#define ETH_MAX_JUMBO_PACKET_SIZE 9600
#define MDIO_ACCESS_TIMEOUT 1000
#define BMAC_CONTROL_RX_ENABLE 2
#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
/***********************************************************/
/* Shortcut definitions */
/***********************************************************/
#define NIG_LATCH_BC_ENABLE_MI_INT 0
#define NIG_STATUS_EMAC0_MI_INT \
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
#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
#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
#define AUTONEG_PARALLEL \
SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
#define AUTONEG_SGMII_FIBER_AUTODET \
SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
#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
#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
#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
/* */
#define SFP_EEPROM_CON_TYPE_ADDR 0x2
#define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
#define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
#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)
#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
#define SFP_EEPROM_OPTIONS_ADDR 0x40
#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
#define SFP_EEPROM_OPTIONS_SIZE 2
#define EDC_MODE_LINEAR 0x0022
#define EDC_MODE_LIMITING 0x0044
#define EDC_MODE_PASSIVE_DAC 0x0055
/* BRB thresholds for E2*/
#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
#define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
#define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
#define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
#define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
#define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
#define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
#define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
/* BRB thresholds for E3A0 */
#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
#define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
#define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
#define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
#define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
#define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
/* BRB thresholds for E3B0 2 port mode*/
#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
#define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
#define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
#define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
#define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
/* only for E3B0*/
#define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
#define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
/* Lossy +Lossless GUARANTIED == GUART */
#define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
/* Lossless +Lossless*/
#define PFC_E3B0_2P_PAUSE_LB_GUART 236
/* Lossy +Lossy*/
#define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
/* Lossy +Lossless*/
#define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
/* Lossless +Lossless*/
#define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
/* Lossy +Lossy*/
#define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
#define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
#define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
/* BRB thresholds for E3B0 4 port mode */
#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
#define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
#define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
#define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
#define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
/* only for E3B0*/
#define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
#define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
#define PFC_E3B0_4P_LB_GUART 120
#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
#define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
#define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
#define DCBX_INVALID_COS (0xFF)
#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
#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)
#define WC_UC_TIMEOUT 100
/**********************************************************/
/* INTERFACE */
/**********************************************************/
#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
bnx2x_cl45_write(_bp, _phy, \
(_phy)->def_md_devad, \
(_bank + (_addr & 0xf)), \
_val)
#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
bnx2x_cl45_read(_bp, _phy, \
(_phy)->def_md_devad, \
(_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;
}
/******************************************************************/
/* EPIO/GPIO section */
/******************************************************************/
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;
}
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);
}
}
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;
}
/******************************************************************/
/* ETS section */
/******************************************************************/
static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
{
/* ETS disabled configuration*/
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
/*
* mapping between entry priority to client number (0,1,2 -debug and
* management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
* 3bits client num.
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
* cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
/*
* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries, 3 -
* COS0 entry, 4 - COS1 entry.
* COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
* bit4 bit3 bit2 bit1 bit0
* MCP and debug are strict
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
/* defines which entries (clients) are subjected to WFQ arbitration */
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
/*
* For strict priority entries defines the number of consecutive
* slots for the highest priority.
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
/*
* mapping between the CREDIT_WEIGHT registers and actual client
* numbers
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
/* ETS mode disable */
REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
/*
* If ETS mode is enabled (there is no strict priority) defines a WFQ
* weight for COS0/COS1.
*/
REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}
/******************************************************************************
* 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) {
if (SPEED_20000 == vars->line_speed)
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);
if (0 == port) {
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);
if (0 == port) {
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.
*/
if (0 == port) {
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.
*/
if (0 == port) {
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)) {
DP(NETIF_MSG_LINK,
"bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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);
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;
/* Calculate and set BW for this COS*/
const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
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,
const struct bnx2x_ets_params *ets_params,
u16 *total_bw)
{
struct bnx2x *bp = params->bp;
u8 cos_idx = 0;
*total_bw = 0 ;
/* Calculate total BW requested */
for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
DP(NETIF_MSG_LINK,
"bnx2x_ets_E3B0_config BW was set to 0\n");
return -EINVAL;
}
*total_bw +=
ets_params->cos[cos_idx].params.bw_params.bw;
}
}
/*Check taotl BW is valid */
if ((100 != *total_bw) || (0 == *total_bw)) {
if (0 == *total_bw) {
DP(NETIF_MSG_LINK,
"bnx2x_ets_E3B0_config toatl BW shouldn't be 0\n");
return -EINVAL;
}
DP(NETIF_MSG_LINK,
"bnx2x_ets_E3B0_config toatl BW should be 100\n");
/**
* We can handle a case whre the BW isn't 100 this can happen
* if the TC are joined.
*/
}
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;
if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
"parameter There can't be two COS's with "
"the same strict pri\n");
return -EINVAL;
}
if (pri > max_num_of_cos) {
DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
"parameter Illegal strict priority\n");
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++) {
if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
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.*/
if (0 == (pri_bitmask & cos_bit_to_set)) {
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,
const struct bnx2x_ets_params *ets_params)
{
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)) {
DP(NETIF_MSG_LINK,
"bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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);
if (0 != bnx2x_status) {
DP(NETIF_MSG_LINK,
"bnx2x_ets_E3B0_config get_total_bw failed\n");
return -EINVAL;
}
/**
* Upper bound is set according to current link speed (min_w_val
* should be the same for upper bound and COS credit val).
*/
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);
/**
* 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 {
DP(NETIF_MSG_LINK,
"bnx2x_ets_e3b0_config cos state not valid\n");
return -EINVAL;
}
if (0 != bnx2x_status) {
DP(NETIF_MSG_LINK,
"bnx2x_ets_e3b0_config set cos bw failed\n");
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);
if (0 != bnx2x_status) {
DP(NETIF_MSG_LINK,
"bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
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);
if (0 != bnx2x_status) {
DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
return bnx2x_status;
}
return 0;
}
static void bnx2x_ets_bw_limit_common(const struct link_params *params)
{
/* ETS disabled configuration */
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
/*
* defines which entries (clients) are subjected to WFQ arbitration
* COS0 0x8
* COS1 0x10
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
/*
* mapping between the ARB_CREDIT_WEIGHT registers and actual
* client numbers (WEIGHT_0 does not actually have to represent
* client 0)
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
* cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
/* ETS mode enabled*/
REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
/*
* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
* entry, 4 - COS1 entry.
* COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
* bit4 bit3 bit2 bit1 bit0
* MCP and debug are strict
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
}
void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
const u32 cos1_bw)
{
/* ETS disabled configuration*/
struct bnx2x *bp = params->bp;
const u32 total_bw = cos0_bw + cos1_bw;
u32 cos0_credit_weight = 0;
u32 cos1_credit_weight = 0;
DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
if ((0 == total_bw) ||
(0 == cos0_bw) ||
(0 == cos1_bw)) {
DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
return;
}
cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
total_bw;
cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
total_bw;
bnx2x_ets_bw_limit_common(params);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
}
int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
{
/* ETS disabled configuration*/
struct bnx2x *bp = params->bp;
u32 val = 0;
DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
/*
* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries,
* 3 - COS0 entry, 4 - COS1 entry.
* COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
* bit4 bit3 bit2 bit1 bit0
* MCP and debug are strict
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
/*
* For strict priority entries defines the number of consecutive slots
* for the highest priority.
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
/* ETS mode disable */
REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
/*
* mapping between entry priority to client number (0,1,2 -debug and
* management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
* 3bits client num.
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
* dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
* dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
*/
val = (0 == strict_cos) ? 0x2318 : 0x22E0;
REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
return 0;
}
/******************************************************************/
/* PFC section */
/******************************************************************/
static void bnx2x_update_pfc_xmac(struct link_params *params,
struct link_vars *vars,
u8 is_lb)
{
struct bnx2x *bp = params->bp;
u32 xmac_base;
u32 pause_val, pfc0_val, pfc1_val;
/* XMAC base adrr */
xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
/* Initialize pause and pfc registers */
pause_val = 0x18000;
pfc0_val = 0xFFFF8000;
pfc1_val = 0x2;
/* No PFC support */
if (!(params->feature_config_flags &
FEATURE_CONFIG_PFC_ENABLED)) {
/*
* RX flow control - Process pause frame in receive direction
*/
if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
/*
* TX flow control - Send pause packet when buffer is full
*/
if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
} else {/* PFC support */
pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
}
/* Write pause and PFC registers */
REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
/* 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])));
udelay(30);
}
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;
}
/* Read pfc statistic*/
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;
DP(NETIF_MSG_LINK, "pfc statistic\n");
if (!vars->link_up)
return;
if (MAC_TYPE_EMAC == vars->mac_type) {
DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
pfc_frames_received);
}
}
/******************************************************************/
/* MAC/PBF section */
/******************************************************************/
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);
if (USES_WARPCORE(bp))
mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
else
mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
mode |= (EMAC_MDIO_MODE_CLAUSE_45);
REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
udelay(40);
}
static void bnx2x_emac_init(struct link_params *params,
struct link_vars *vars)
{
/* reset and unreset the emac core */
struct bnx2x *bp = params->bp;
u8 port = params->port;
u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
u32 val;
u16 timeout;
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
udelay(5);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
/* init emac - use read-modify-write */
/* self clear reset */
val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
timeout = 200;
do {
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--;
} while (val & EMAC_MODE_RESET);
bnx2x_set_mdio_clk(bp, params->chip_id, port);
/* Set mac address */
val = ((params->mac_addr[0] << 8) |
params->mac_addr[1]);
EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
val = ((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
params->mac_addr[5]);
EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
}
static void bnx2x_set_xumac_nig(struct link_params *params,
u16 tx_pause_en,
u8 enable)
{
struct bnx2x *bp = params->bp;
REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
enable);
REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
enable);
REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
}
static void bnx2x_umac_enable(struct link_params *params,
struct link_vars *vars, u8 lb)
{
u32 val;
u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
struct bnx2x *bp = params->bp;
/* Reset UMAC */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
usleep_range(1000, 1000);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
DP(NETIF_MSG_LINK, "enabling UMAC\n");
/**
* This register determines on which events the MAC will assert
* error on the i/f to the NIG along w/ EOP.
*/
/**
* BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
* params->port*0x14, 0xfffff.
*/
/* This register opens the gate for the UMAC despite its name */
REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
UMAC_COMMAND_CONFIG_REG_PAD_EN |
UMAC_COMMAND_CONFIG_REG_SW_RESET |
UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
switch (vars->line_speed) {
case SPEED_10:
val |= (0<<2);
break;
case SPEED_100:
val |= (1<<2);
break;
case SPEED_1000:
val |= (2<<2);
break;
case SPEED_2500:
val |= (3<<2);
break;
default:
DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
vars->line_speed);
break;
}
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;
REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
udelay(50);
/* 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])));
/* Enable RX and TX */
val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
UMAC_COMMAND_CONFIG_REG_RX_ENA;
REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
udelay(50);
/* Remove SW Reset */
val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
/* Check loopback mode */
if (lb)
val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
/*
* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
* length used by the MAC receive logic to check frames.
*/
REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
bnx2x_set_xumac_nig(params,
((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
vars->mac_type = MAC_TYPE_UMAC;
}
static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
{
u32 port4mode_ovwr_val;
/* Check 4-port override enabled */
port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
if (port4mode_ovwr_val & (1<<0)) {
/* Return 4-port mode override value */
return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
}
/* Return 4-port mode from input pin */
return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
}
/* Define the XMAC mode */
static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
{
u32 is_port4mode = bnx2x_is_4_port_mode(bp);
/**
* In 4-port mode, need to set the mode only once, so if XMAC is
* already out of reset, it means the mode has already been set,
* and it must not* reset the XMAC again, since it controls both
* ports of the path
**/
if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
MISC_REGISTERS_RESET_REG_2_XMAC)) {
DP(NETIF_MSG_LINK,
"XMAC already out of reset in 4-port mode\n");
return;
}
/* Hard reset */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
MISC_REGISTERS_RESET_REG_2_XMAC);
usleep_range(1000, 1000);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
MISC_REGISTERS_RESET_REG_2_XMAC);
if (is_port4mode) {
DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
/* Set the number of ports on the system side to up to 2 */
REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
/* Set the number of ports on the Warp Core to 10G */
REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
} else {
/* Set the number of ports on the system side to 1 */
REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
if (max_speed == SPEED_10000) {
DP(NETIF_MSG_LINK,
"Init XMAC to 10G x 1 port per path\n");
/* Set the number of ports on the Warp Core to 10G */
REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
} else {
DP(NETIF_MSG_LINK,
"Init XMAC to 20G x 2 ports per path\n");
/* Set the number of ports on the Warp Core to 20G */
REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
}
}
/* Soft reset */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
usleep_range(1000, 1000);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
}
static void bnx2x_xmac_disable(struct link_params *params)
{
u8 port = params->port;
struct bnx2x *bp = params->bp;
u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
if (REG_RD(bp, MISC_REG_RESET_REG_2) &
MISC_REGISTERS_RESET_REG_2_XMAC) {
/*
* 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)));
DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
usleep_range(1000, 1000);
bnx2x_set_xumac_nig(params, 0, 0);
REG_WR(bp, xmac_base + XMAC_REG_CTRL,
XMAC_CTRL_REG_SOFT_RESET);
}
}
static int bnx2x_xmac_enable(struct link_params *params,
struct link_vars *vars, u8 lb)
{
u32 val, xmac_base;
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "enabling XMAC\n");
xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
bnx2x_xmac_init(bp, vars->line_speed);
/*
* This register determines on which events the MAC will assert
* error on the i/f to the NIG along w/ EOP.
*/
/*
* This register tells the NIG whether to send traffic to UMAC
* or XMAC
*/
REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
/* Set Max packet size */
REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
/* CRC append for Tx packets */
REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
/* update PFC */
bnx2x_update_pfc_xmac(params, vars, 0);
/* Enable TX and RX */
val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
/* Check loopback mode */
if (lb)
val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
bnx2x_set_xumac_nig(params,
((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
vars->mac_type = MAC_TYPE_XMAC;
return 0;
}
static int bnx2x_emac_enable(struct link_params *params,
struct link_vars *vars, u8 lb)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
u32 val;
DP(NETIF_MSG_LINK, "enabling EMAC\n");
/* Disable BMAC */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
/* 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 &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
DP(NETIF_MSG_LINK, "XGXS\n");
/* select the master lanes (out of 0-3) */
REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
/* select XGXS */
REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
} else { /* SerDes */
DP(NETIF_MSG_LINK, "SerDes\n");
/* select SerDes */
REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
}
bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
EMAC_RX_MODE_RESET);
bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
EMAC_TX_MODE_RESET);
if (CHIP_REV_IS_SLOW(bp)) {
/* config GMII mode */
val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
} else { /* ASIC */
/* pause enable/disable */
bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
EMAC_RX_MODE_FLOW_EN);
bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
(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);
}
/* 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;
/*
* Setting this bit causes MAC control frames (except for pause
* frames) to be passed on for processing. This setting has no
* affect on the operation of the pause frames. This bit effects
* all packets regardless of RX Parser packet sorting logic.
* Turn the PFC off to make sure we are in Xon state before
* enabling it.
*/
EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
DP(NETIF_MSG_LINK, "PFC is enabled\n");
/* Enable PFC again */
EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
EMAC_REG_RX_PFC_MODE_RX_EN |
EMAC_REG_RX_PFC_MODE_TX_EN |
EMAC_REG_RX_PFC_MODE_PRIORITIES);
EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
((0x0101 <<
EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
(0x00ff <<
EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
}
EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
/* Set Loopback */
val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
if (lb)
val |= 0x810;
else
val &= ~0x810;
EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
/* enable emac */
REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
/* enable emac for jumbo packets */
EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
(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;
if ((params->feature_config_flags &
FEATURE_CONFIG_PFC_ENABLED) ||
(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
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);
REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
vars->mac_type = MAC_TYPE_EMAC;
return 0;
}
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)
{
/*
* 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;
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 + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
udelay(30);
/* 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 + 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);
/*
* 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.
*/
val = 0x8000;
if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
val |= (1<<16); /* enable automatic re-send */
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
wb_data, 2);
/* mac control */
val = 0x3; /* Enable RX and TX */
if (is_lb) {
val |= 0x4; /* Local loopback */
DP(NETIF_MSG_LINK, "enable bmac loopback\n");
}
/* When PFC enabled, Pass pause frames towards the NIG. */
if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
val |= ((1<<6)|(1<<5));
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
}
/* PFC BRB internal port configuration params */
struct bnx2x_pfc_brb_threshold_val {
u32 pause_xoff;
u32 pause_xon;
u32 full_xoff;
u32 full_xon;
};
struct bnx2x_pfc_brb_e3b0_val {
u32 full_lb_xoff_th;
u32 full_lb_xon_threshold;
u32 lb_guarantied;
u32 mac_0_class_t_guarantied;
u32 mac_0_class_t_guarantied_hyst;
u32 mac_1_class_t_guarantied;
u32 mac_1_class_t_guarantied_hyst;
};
struct bnx2x_pfc_brb_th_val {
struct bnx2x_pfc_brb_threshold_val pauseable_th;
struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
};
static int bnx2x_pfc_brb_get_config_params(
struct link_params *params,
struct bnx2x_pfc_brb_th_val *config_val)
{
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
if (CHIP_IS_E2(bp)) {
config_val->pauseable_th.pause_xoff =
PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
config_val->pauseable_th.pause_xon =
PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
config_val->pauseable_th.full_xoff =
PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
config_val->pauseable_th.full_xon =
PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
/* non pause able*/
config_val->non_pauseable_th.pause_xoff =
PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.pause_xon =
PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xoff =
PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xon =
PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
} else if (CHIP_IS_E3A0(bp)) {
config_val->pauseable_th.pause_xoff =
PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
config_val->pauseable_th.pause_xon =
PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
config_val->pauseable_th.full_xoff =
PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
config_val->pauseable_th.full_xon =
PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
/* non pause able*/
config_val->non_pauseable_th.pause_xoff =
PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.pause_xon =
PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xoff =
PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xon =
PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
} else if (CHIP_IS_E3B0(bp)) {
if (params->phy[INT_PHY].flags &
FLAGS_4_PORT_MODE) {
config_val->pauseable_th.pause_xoff =
PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
config_val->pauseable_th.pause_xon =
PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
config_val->pauseable_th.full_xoff =
PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
config_val->pauseable_th.full_xon =
PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
/* non pause able*/
config_val->non_pauseable_th.pause_xoff =
PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.pause_xon =
PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xoff =
PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xon =
PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
} else {
config_val->pauseable_th.pause_xoff =
PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
config_val->pauseable_th.pause_xon =
PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
config_val->pauseable_th.full_xoff =
PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
config_val->pauseable_th.full_xon =
PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
/* non pause able*/
config_val->non_pauseable_th.pause_xoff =
PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.pause_xon =
PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xoff =
PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
config_val->non_pauseable_th.full_xon =
PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
}
} else
return -EINVAL;
return 0;
}
static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
struct bnx2x_pfc_brb_e3b0_val
*e3b0_val,
u32 cos0_pauseable,
u32 cos1_pauseable)
{
if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
e3b0_val->full_lb_xoff_th =
PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
e3b0_val->full_lb_xon_threshold =
PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
e3b0_val->lb_guarantied =
PFC_E3B0_4P_LB_GUART;
e3b0_val->mac_0_class_t_guarantied =
PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
e3b0_val->mac_0_class_t_guarantied_hyst =
PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
e3b0_val->mac_1_class_t_guarantied =
PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
e3b0_val->mac_1_class_t_guarantied_hyst =
PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
} else {
e3b0_val->full_lb_xoff_th =
PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
e3b0_val->full_lb_xon_threshold =
PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
e3b0_val->mac_0_class_t_guarantied_hyst =
PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
e3b0_val->mac_1_class_t_guarantied =
PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
e3b0_val->mac_1_class_t_guarantied_hyst =
PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
if (cos0_pauseable != cos1_pauseable) {
/* nonpauseable= Lossy + pauseable = Lossless*/
e3b0_val->lb_guarantied =
PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
e3b0_val->mac_0_class_t_guarantied =
PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
} else if (cos0_pauseable) {
/* Lossless +Lossless*/
e3b0_val->lb_guarantied =
PFC_E3B0_2P_PAUSE_LB_GUART;
e3b0_val->mac_0_class_t_guarantied =
PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
} else {
/* Lossy +Lossy*/
e3b0_val->lb_guarantied =
PFC_E3B0_2P_NON_PAUSE_LB_GUART;
e3b0_val->mac_0_class_t_guarantied =
PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
}
}
}
static int bnx2x_update_pfc_brb(struct link_params *params,
struct link_vars *vars,
struct bnx2x_nig_brb_pfc_port_params
*pfc_params)
{
struct bnx2x *bp = params->bp;
struct bnx2x_pfc_brb_th_val config_val = { {0} };
struct bnx2x_pfc_brb_threshold_val *reg_th_config =
&config_val.pauseable_th;
struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
int set_pfc = params->feature_config_flags &
FEATURE_CONFIG_PFC_ENABLED;
int bnx2x_status = 0;
u8 port = params->port;
/* default - pause configuration */
reg_th_config = &config_val.pauseable_th;
bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
if (0 != bnx2x_status)
return bnx2x_status;
if (set_pfc && pfc_params)
/* First COS */
if (!pfc_params->cos0_pauseable)
reg_th_config = &config_val.non_pauseable_th;
/*
* The number of free blocks below which the pause signal to class 0
* of MAC #n is asserted. n=0,1
*/
REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
reg_th_config->pause_xoff);
/*
* The number of free blocks above which the pause signal to class 0
* of MAC #n is de-asserted. n=0,1
*/
REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
/*
* The number of free blocks below which the full signal to class 0
* of MAC #n is asserted. n=0,1
*/
REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
/*
* The number of free blocks above which the full signal to class 0
* of MAC #n is de-asserted. n=0,1
*/
REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
if (set_pfc && pfc_params) {
/* Second COS */
if (pfc_params->cos1_pauseable)
reg_th_config = &config_val.pauseable_th;
else
reg_th_config = &config_val.non_pauseable_th;
/*
* 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);
if (CHIP_IS_E3B0(bp)) {
/*Should be done by init tool */
/*
* BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
* reset value
* 944
*/
/**
* The hysteresis on the guarantied buffer space for the Lb port
* before signaling XON.
**/
REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
bnx2x_pfc_brb_get_e3b0_config_params(
params,
&e3b0_val,
pfc_params->cos0_pauseable,
pfc_params->cos1_pauseable);
/**
* The number of free blocks below which the full signal to the
* LB port is asserted.
*/
REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
e3b0_val.full_lb_xoff_th);
/**
* The number of free blocks above which the full signal to the
* LB port is de-asserted.
*/
REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
e3b0_val.full_lb_xon_threshold);
/**
* The number of blocks guarantied for the MAC #n port. n=0,1
*/
/*The number of blocks guarantied for the LB port.*/
REG_WR(bp, BRB1_REG_LB_GUARANTIED,
e3b0_val.lb_guarantied);
/**
* The number of blocks guarantied for the MAC #n port.
*/
REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2 * e3b0_val.mac_0_class_t_guarantied);
REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2 * e3b0_val.mac_1_class_t_guarantied);
/**
* The number of blocks guarantied for class #t in MAC0. t=0,1
*/
REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
e3b0_val.mac_0_class_t_guarantied);
REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
e3b0_val.mac_0_class_t_guarantied);
/**
* The hysteresis on the guarantied buffer space for class in
* MAC0. t=0,1
*/
REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
e3b0_val.mac_0_class_t_guarantied_hyst);
REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
e3b0_val.mac_0_class_t_guarantied_hyst);
/**
* The number of blocks guarantied for class #t in MAC1.t=0,1
*/
REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
e3b0_val.mac_1_class_t_guarantied);
REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
e3b0_val.mac_1_class_t_guarantied);
/**
* The hysteresis on the guarantied buffer space for class #t
* in MAC1. t=0,1
*/
REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
e3b0_val.mac_1_class_t_guarantied_hyst);
REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
e3b0_val.mac_1_class_t_guarantied_hyst);
}
}
return bnx2x_status;
}
/******************************************************************************
* 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;
}
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);
}
static void bnx2x_update_pfc_nig(struct link_params *params,
struct link_vars *vars,
struct bnx2x_nig_brb_pfc_port_params *nig_params)
{
u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
u32 pkt_priority_to_cos = 0;
struct bnx2x *bp = params->bp;
u8 port = params->port;
int set_pfc = params->feature_config_flags &
FEATURE_CONFIG_PFC_ENABLED;
DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
/*
* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
* MAC control frames (that are not pause packets)
* will be forwarded to the XCM.
*/
xcm_mask = REG_RD(bp,
port ? NIG_REG_LLH1_XCM_MASK :
NIG_REG_LLH0_XCM_MASK);
/*
* nig params will override non PFC params, since it's possible to
* do transition from PFC to SAFC
*/
if (set_pfc) {
pause_enable = 0;
llfc_out_en = 0;
llfc_enable = 0;
if (CHIP_IS_E3(bp))
ppp_enable = 0;
else
ppp_enable = 1;
xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
xcm0_out_en = 0;
p0_hwpfc_enable = 1;
} else {
if (nig_params) {
llfc_out_en = nig_params->llfc_out_en;
llfc_enable = nig_params->llfc_enable;
pause_enable = nig_params->pause_enable;
} else /*defaul non PFC mode - PAUSE */
pause_enable = 1;
xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
xcm0_out_en = 1;
}
if (CHIP_IS_E3(bp))
REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
NIG_REG_LLFC_ENABLE_0, llfc_enable);
REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
NIG_REG_PAUSE_ENABLE_0, pause_enable);
REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
NIG_REG_PPP_ENABLE_0, ppp_enable);
REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
NIG_REG_LLH0_XCM_MASK, xcm_mask);
REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
/* output enable for RX_XCM # IF */
REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
/* HW PFC TX enable */
REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
if (nig_params) {
u8 i = 0;
pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
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);
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);
}
int bnx2x_update_pfc(struct link_params *params,
struct link_vars *vars,
struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
/*
* The PFC and pause are orthogonal to one another, meaning when
* PFC is enabled, the pause are disabled, and when PFC is
* disabled, pause are set according to the pause result.
*/
u32 val;
struct bnx2x *bp = params->bp;
int bnx2x_status = 0;
u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
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);
/* update NIG params */
bnx2x_update_pfc_nig(params, vars, pfc_params);
/* update BRB params */
bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
if (0 != bnx2x_status)
return bnx2x_status;
if (!vars->link_up)
return bnx2x_status;
DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
if (CHIP_IS_E3(bp))
bnx2x_update_pfc_xmac(params, vars, 0);
else {
val = REG_RD(bp, MISC_REG_RESET_REG_2);
if ((val &
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
== 0) {
DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
bnx2x_emac_enable(params, vars, 0);
return bnx2x_status;
}
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;
}
static int bnx2x_bmac1_enable(struct link_params *params,
struct link_vars *vars,
u8 is_lb)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
u32 wb_data[2];
u32 val;
DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
/* XGXS control */
wb_data[0] = 0x3c;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
wb_data, 2);
/* tx MAC SA */
wb_data[0] = ((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
params->mac_addr[5]);
wb_data[1] = ((params->mac_addr[0] << 8) |
params->mac_addr[1]);
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
/* mac control */
val = 0x3;
if (is_lb) {
val |= 0x4;
DP(NETIF_MSG_LINK, "enable bmac loopback\n");
}
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
/* set rx mtu */
wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
bnx2x_update_pfc_bmac1(params, vars);
/* set tx mtu */
wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
/* set cnt max size */
wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
/* configure safc */
wb_data[0] = 0x1000200;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
wb_data, 2);
return 0;
}
static int bnx2x_bmac2_enable(struct link_params *params,
struct link_vars *vars,
u8 is_lb)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
u32 wb_data[2];
DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
wb_data[0] = 0;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
udelay(30);
/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
wb_data[0] = 0x3c;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
wb_data, 2);
udelay(30);
/* tx MAC SA */
wb_data[0] = ((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
params->mac_addr[5]);
wb_data[1] = ((params->mac_addr[0] << 8) |
params->mac_addr[1]);
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
wb_data, 2);
udelay(30);
/* Configure SAFC */
wb_data[0] = 0x1000200;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
wb_data, 2);
udelay(30);
/* set rx mtu */
wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
udelay(30);
/* set tx mtu */
wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
udelay(30);
/* set cnt max size */
wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
wb_data[1] = 0;
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
udelay(30);
bnx2x_update_pfc_bmac2(params, vars, is_lb);
return 0;
}
static int bnx2x_bmac_enable(struct link_params *params,
struct link_vars *vars,
u8 is_lb)
{
int rc = 0;
u8 port = params->port;
struct bnx2x *bp = params->bp;
u32 val;
/* reset and unreset the BigMac */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
msleep(1);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
/* enable access for bmac registers */
REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
/* Enable BMAC according to BMAC type*/
if (CHIP_IS_E2(bp))
rc = bnx2x_bmac2_enable(params, vars, is_lb);
else
rc = bnx2x_bmac1_enable(params, vars, is_lb);
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;
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 + 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;
return rc;
}
static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
{
u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
u32 wb_data[2];
u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
/* 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) {
if (CHIP_IS_E2(bp)) {
/* Clear Rx Enable bit in BMAC_CONTROL register */
REG_RD_DMAE(bp, bmac_addr +
BIGMAC2_REGISTER_BMAC_CONTROL,
wb_data, 2);
wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
REG_WR_DMAE(bp, bmac_addr +
BIGMAC2_REGISTER_BMAC_CONTROL,
wb_data, 2);
} else {
/* Clear Rx Enable bit in BMAC_CONTROL register */
REG_RD_DMAE(bp, bmac_addr +
BIGMAC_REGISTER_BMAC_CONTROL,
wb_data, 2);
wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
REG_WR_DMAE(bp, bmac_addr +
BIGMAC_REGISTER_BMAC_CONTROL,
wb_data, 2);
}
msleep(1);
}
}
static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
u32 line_speed)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
u32 init_crd, crd;
u32 count = 1000;
/* disable port */
REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
/* wait for init credit */
init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
while ((init_crd != crd) && count) {
msleep(5);
crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
count--;
}
crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
if (init_crd != crd) {
DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
init_crd, crd);
return -EINVAL;
}
if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
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);
/* update threshold */
REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
/* update init credit */
init_crd = 778; /* (800-18-4) */
} else {
u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
ETH_OVREHEAD)/16;
REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
/* 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;
}
/**
* bnx2x_get_emac_base - retrive emac base address
*
* @bp: driver handle
* @mdc_mdio_access: access type
* @port: port id
*
* 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
*/
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
u32 mdc_mdio_access, u8 port)
{
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:
if (REG_RD(bp, NIG_REG_PORT_SWAP))
emac_base = GRCBASE_EMAC0;
else
emac_base = GRCBASE_EMAC1;
break;
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
break;
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
break;
default:
break;
}
return emac_base;
}
/******************************************************************/
/* 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;
}
/******************************************************************/
/* CL45 access functions */
/******************************************************************/
static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
u8 devad, u16 reg, u16 *ret_val)
{
u32 val;
u16 i;
int rc = 0;
if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
/* address */
val = ((phy->addr << 21) | (devad << 16) | reg |
EMAC_MDIO_COMM_COMMAND_ADDRESS |
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)) {
udelay(5);
break;
}
}
if (val & EMAC_MDIO_COMM_START_BUSY) {
DP(NETIF_MSG_LINK, "read phy register failed\n");
netdev_err(bp->dev, "MDC/MDIO access timeout\n");
*ret_val = 0;
rc = -EFAULT;
} else {
/* data */
val = ((phy->addr << 21) | (devad << 16) |
EMAC_MDIO_COMM_COMMAND_READ_45 |
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);
break;
}
}
if (val & EMAC_MDIO_COMM_START_BUSY) {
DP(NETIF_MSG_LINK, "read phy register failed\n");
netdev_err(bp->dev, "MDC/MDIO access timeout\n");
*ret_val = 0;
rc = -EFAULT;
}
}
/* 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);
}
}
if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
return rc;
}
static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
u8 devad, u16 reg, u16 val)
{
u32 tmp;
u8 i;
int rc = 0;
if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
/* address */
tmp = ((phy->addr << 21) | (devad << 16) | reg |
EMAC_MDIO_COMM_COMMAND_ADDRESS |
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");
netdev_err(bp->dev, "MDC/MDIO access timeout\n");
rc = -EFAULT;
} else {
/* data */
tmp = ((phy->addr << 21) | (devad << 16) | val |
EMAC_MDIO_COMM_COMMAND_WRITE_45 |
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");
netdev_err(bp->dev, "MDC/MDIO access timeout\n");
rc = -EFAULT;
}
}
/* 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);
}
}
if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
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
}
return rc;
}
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);
}
int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
u8 devad, u16 reg, u16 *ret_val)
{
u8 phy_index;
/*
* Probe for the phy according to the given phy_addr, and execute
* the read request on it
*/
for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
if (params->phy[phy_index].addr == phy_addr) {
return bnx2x_cl45_read(params->bp,
&params->phy[phy_index], devad,
reg, ret_val);
}
}
return -EINVAL;
}
int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
u8 devad, u16 reg, u16 val)
{
u8 phy_index;
/*
* Probe for the phy according to the given phy_addr, and execute
* the write request on it
*/
for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
if (params->phy[phy_index].addr == phy_addr) {
return bnx2x_cl45_write(params->bp,
&params->phy[phy_index], devad,
reg, val);
}
}
return -EINVAL;
}
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;
}
static void bnx2x_set_aer_mmd(struct link_params *params,
struct bnx2x_phy *phy)
{
u32 ser_lane;
u16 offset, aer_val;
struct bnx2x *bp = params->bp;
ser_lane = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
(phy->addr + ser_lane) : 0;
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))
aer_val = 0x3800 + offset - 1;
else
aer_val = 0x3800 + offset;
DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, aer_val);
}
/******************************************************************/
/* Internal phy section */
/******************************************************************/
static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
{
u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
/* 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);
}
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
{
u32 val;
DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
val = SERDES_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);
bnx2x_set_serdes_access(bp, port);
REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
DEFAULT_PHY_DEV_ADDR);
}
static void bnx2x_xgxs_deassert(struct link_params *params)
{
struct bnx2x *bp = params->bp;
u8 port;
u32 val;
DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
port = params->port;
val = XGXS_RESET_BITS << (port*16);
/* reset and unreset the SerDes/XGXS */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
udelay(500);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
params->phy[INT_PHY].def_md_devad);
}
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];
params->phy[actual_phy_idx].req_duplex =
params->req_duplex[link_cfg_idx];
if (params->req_line_speed[link_cfg_idx] ==
SPEED_AUTO_NEG)
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
" speed_cap_mask %x\n",
params->phy[actual_phy_idx].req_flow_ctrl,
params->phy[actual_phy_idx].req_line_speed,
params->phy[actual_phy_idx].speed_cap_mask);
}
}
static void bnx2x_ext_phy_set_pause(struct link_params *params,
struct bnx2x_phy *phy,
struct link_vars *vars)
{
u16 val;
struct bnx2x *bp = params->bp;
/* read modify write pause advertizing */
bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
if ((vars->ieee_fc &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
}
if ((vars->ieee_fc &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
}
DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}
static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
{ /* LD LP */
switch (pause_result) { /* ASYM P ASYM P */
case 0xb: /* 1 0 1 1 */
vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
break;
case 0xe: /* 1 1 1 0 */
vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
break;
case 0x5: /* 0 1 0 1 */
case 0x7: /* 0 1 1 1 */
case 0xd: /* 1 1 0 1 */
case 0xf: /* 1 1 1 1 */
vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
break;
default:
break;
}
if (pause_result & (1<<0))
vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
if (pause_result & (1<<1))
vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
}
static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 ld_pause; /* local */
u16 lp_pause; /* link partner */
u16 pause_result;
u8 ret = 0;
/* read twice */
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
vars->flow_ctrl = phy->req_flow_ctrl;
else if (phy->req_line_speed != SPEED_AUTO_NEG)
vars->flow_ctrl = params->req_fc_auto_adv;
else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
ret = 1;
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
bnx2x_cl22_read(bp, phy,
0x4, &ld_pause);
bnx2x_cl22_read(bp, phy,
0x5, &lp_pause);
} else {
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_ADV_PAUSE, &ld_pause);
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
}
pause_result = (ld_pause &
MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
pause_result |= (lp_pause &
MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
pause_result);
bnx2x_pause_resolve(vars, pause_result);
}
return ret;
}
/******************************************************************/
/* 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) {
u16 val16 = 0, lane, bam37 = 0;
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
/* 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);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
0x383f);
/* Advertised speeds */
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
/* 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");
}
/* Advertise pause */
bnx2x_ext_phy_set_pause(params, phy, vars);
/* Enable Autoneg */
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
/* Over 1G - AN local device user page 1 */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
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);
}
static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 val;
/* Disable Autoneg */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL3_UP1, 0x1);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
/* Disable CL36 PCS Tx */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
/* Double Wide Single Data Rate @ pll rate */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
/* Leave cl72 training enable, needed for KR */
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
0x2);
/* Leave CL72 enabled */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
&val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
val | 0x3800);
/* Set speed via PMA/PMD register */
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
/*Enable encoded forced speed */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
/* Turn TX scramble payload only the 64/66 scrambler */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX66_CONTROL, 0x9);
/* Turn RX scramble payload only the 64/66 scrambler */
bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_CONTROL, 0xF9);
/* set and clear loopback to cause a reset to 64/66 decoder */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
}
static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
struct link_params *params,
u8 is_xfi)
{
struct bnx2x *bp = params->bp;
u16 misc1_val, tap_val, tx_driver_val, lane, val;
/* Hold rxSeqStart */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
/* Hold tx_fifo_reset */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
/* Disable CL73 AN */
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
/* Disable 100FX Enable and Auto-Detect */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_FX100_CTRL1, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
/* Disable 100FX Idle detect */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_FX100_CTRL3, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
/* Set Block address to Remote PHY & Clear forced_speed[5] */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
/* Turn off auto-detect & fiber mode */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
(val & 0xFFEE));
/* Set filter_force_link, disable_false_link and parallel_detect */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
((val | 0x0006) & 0xFFFE));
/* Set XFI / SFI */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
misc1_val &= ~(0x1f);
if (is_xfi) {
misc1_val |= 0x5;
tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
(0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
(0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
tx_driver_val =
((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
(0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
(0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
} else {
misc1_val |= 0x9;
tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
(0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
(0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
tx_driver_val =
((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
(0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
(0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
}
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
/* Set Transmit PMD settings */
lane = bnx2x_get_warpcore_lane(phy, params);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX_FIR_TAP,
tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
tx_driver_val);
/* Enable fiber mode, enable and invert sig_det */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
/* 10G XFI Full Duplex */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
/* Release tx_fifo_reset */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
/* Release rxSeqStart */
bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
}
static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
struct bnx2x_phy *phy)
{
DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
}
static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
struct bnx2x_phy *phy,
u16 lane)
{
/* Rx0 anaRxControl1G */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
/* Rx2 anaRxControl1G */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW0, 0xE070);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW1, 0xC0D0);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW2, 0xA0B0);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW3, 0x8090);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
/* Serdes Digital Misc1 */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
/* Serdes Digital4 Misc3 */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
/* Set Transmit PMD settings */
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX_FIR_TAP,
((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
(0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
(0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
MDIO_WC_REG_TX_FIR_TAP_ENABLE));
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
(0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
(0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
}
static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
struct link_params *params,
u8 fiber_mode)
{
struct bnx2x *bp = params->bp;
u16 val16, digctrl_kx1, digctrl_kx2;
u8 lane;
lane = bnx2x_get_warpcore_lane(phy, params);
/* 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));
if (phy->req_line_speed == SPEED_AUTO_NEG) {
/* 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);
val16 &= 0xcfbf;
switch (phy->req_line_speed) {
case SPEED_10:
break;
case SPEED_100:
val16 |= 0x2000;
break;
case SPEED_1000:
val16 |= 0x0040;
break;
default:
DP(NETIF_MSG_LINK,
"Speed not supported: 0x%x\n", phy->req_line_speed);
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);
}
/* Clear SFI/XFI link settings registers */
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)) {
DP(NETIF_MSG_LINK,
"ERROR: Invalid cfg pin %x for module detect indication\n",
cfg_pin);
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;
}
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);
bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
} else {
switch (serdes_net_if) {
case PORT_HW_CFG_NET_SERDES_IF_KR:
/* Enable KR Auto Neg */
if (params->loopback_mode == LOOPBACK_NONE)
bnx2x_warpcore_enable_AN_KR(phy, params, vars);
else {
DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
bnx2x_warpcore_set_10G_KR(phy, params, vars);
}
break;
case PORT_HW_CFG_NET_SERDES_IF_XFI:
bnx2x_warpcore_clear_regs(phy, params, lane);
if (vars->line_speed == SPEED_10000) {
DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
bnx2x_warpcore_set_10G_XFI(phy, params, 1);
} else {
if (SINGLE_MEDIA_DIRECT(params)) {
DP(NETIF_MSG_LINK, "1G Fiber\n");
fiber_mode = 1;
} else {
DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
fiber_mode = 0;
}
bnx2x_warpcore_set_sgmii_speed(phy,
params,
fiber_mode);
}
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");
bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
}
/* 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:
DP(NETIF_MSG_LINK,
"Unsupported Serdes Net Interface 0x%x\n",
serdes_net_if);
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);
/* Global loopback, not recommended. */
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);
} 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);
}
}
void bnx2x_link_status_update(struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 link_10g_plus;
u8 port = params->port;
u32 sync_offset, media_types;
/* Update PHY configuration */
set_phy_vars(params, vars);
vars->link_status = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region,
port_mb[port].link_status));
vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
vars->phy_flags = PHY_XGXS_FLAG;
if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
if (vars->link_up) {
DP(NETIF_MSG_LINK, "phy link up\n");
vars->phy_link_up = 1;
vars->duplex = DUPLEX_FULL;
switch (vars->link_status &
LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
case LINK_10THD:
vars->duplex = DUPLEX_HALF;
/* fall thru */
case LINK_10TFD:
vars->line_speed = SPEED_10;
break;
case LINK_100TXHD:
vars->duplex = DUPLEX_HALF;
/* fall thru */
case LINK_100T4:
case LINK_100TXFD:
vars->line_speed = SPEED_100;
break;
case LINK_1000THD:
vars->duplex = DUPLEX_HALF;
/* fall thru */
case LINK_1000TFD:
vars->line_speed = SPEED_1000;
break;
case LINK_2500THD:
vars->duplex = DUPLEX_HALF;
/* fall thru */
case LINK_2500TFD:
vars->line_speed = SPEED_2500;
break;
case LINK_10GTFD:
vars->line_speed = SPEED_10000;
break;
case LINK_20GTFD:
vars->line_speed = SPEED_20000;
break;
default:
break;
}
vars->flow_ctrl = 0;
if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
if (!vars->flow_ctrl)
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
if (vars->line_speed &&
((vars->line_speed == SPEED_10) ||
(vars->line_speed == SPEED_100))) {
vars->phy_flags |= PHY_SGMII_FLAG;
} else {
vars->phy_flags &= ~PHY_SGMII_FLAG;
}
if (vars->line_speed &&
USES_WARPCORE(bp) &&
(vars->line_speed == SPEED_1000))
vars->phy_flags |= PHY_SGMII_FLAG;
/* anything 10 and over uses the bmac */
link_10g_plus = (vars->line_speed >= SPEED_10000);
if (link_10g_plus) {
if (USES_WARPCORE(bp))
vars->mac_type = MAC_TYPE_XMAC;
else
vars->mac_type = MAC_TYPE_BMAC;
} else {
if (USES_WARPCORE(bp))
vars->mac_type = MAC_TYPE_UMAC;
else
vars->mac_type = MAC_TYPE_EMAC;
}
} else { /* link down */
DP(NETIF_MSG_LINK, "phy link down\n");
vars->phy_link_up = 0;
vars->line_speed = 0;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
/* indicate no mac active */
vars->mac_type = MAC_TYPE_NONE;
if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
}
/* 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);
/* 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);
/* 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;
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);
DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
vars->line_speed, vars->duplex, vars->flow_ctrl);
}
static void bnx2x_set_master_ln(struct link_params *params,
struct bnx2x_phy *phy)
{
struct bnx2x *bp = params->bp;
u16 new_master_ln, ser_lane;
ser_lane = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
/* set the master_ln for AN */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
&new_master_ln);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2 ,
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
(new_master_ln | ser_lane));
}
static int bnx2x_reset_unicore(struct link_params *params,
struct bnx2x_phy *phy,
u8 set_serdes)
{
struct bnx2x *bp = params->bp;
u16 mii_control;
u16 i;
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
/* reset the unicore */
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
(mii_control |
MDIO_COMBO_IEEO_MII_CONTROL_RESET));
if (set_serdes)
bnx2x_set_serdes_access(bp, params->port);
/* wait for the reset to self clear */
for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
udelay(5);
/* the reset erased the previous bank value */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
&mii_control);
if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
udelay(5);
return 0;
}
}
netdev_err(bp->dev, "Warning: PHY was not initialized,"
" Port %d\n",
params->port);
DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
return -EINVAL;
}
static void bnx2x_set_swap_lanes(struct link_params *params,
struct bnx2x_phy *phy)
{
struct bnx2x *bp = params->bp;
/*
* Each two bits represents a lane number:
* No swap is 0123 => 0x1b no need to enable the swap
*/
u16 ser_lane, rx_lane_swap, tx_lane_swap;
ser_lane = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
rx_lane_swap = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
tx_lane_swap = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
if (rx_lane_swap != 0x1b) {
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_RX_LN_SWAP,
(rx_lane_swap |
MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
} else {
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
}
if (tx_lane_swap != 0x1b) {
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TX_LN_SWAP,
(tx_lane_swap |
MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
} else {
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
}
}
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 control2;
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
&control2);
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
else
control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
phy->speed_cap_mask, control2);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
control2);
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
DP(NETIF_MSG_LINK, "XGXS\n");
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
&control2);
control2 |=
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
control2);
/* Disable parallel detection of HiG */
CL22_WR_OVER_CL45(bp, phy,
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);
}
}
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars,
u8 enable_cl73)
{
struct bnx2x *bp = params->bp;
u16 reg_val;
/* CL37 Autoneg */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
/* CL37 Autoneg Enabled */
if (vars->line_speed == SPEED_AUTO_NEG)
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);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
/* Enable/Disable Autodetection */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
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;
if (vars->line_speed == SPEED_AUTO_NEG)
reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
else
reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
/* Enable TetonII and BAM autoneg */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_BAM_NEXT_PAGE,
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
&reg_val);
if (vars->line_speed == SPEED_AUTO_NEG) {
/* 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);
}
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_BAM_NEXT_PAGE,
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
reg_val);
if (enable_cl73) {
/* Enable Cl73 FSM status bits */
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_USERB0,
MDIO_CL73_USERB0_CL73_UCTRL,
0xe);
/* Enable BAM Station Manager*/
CL22_WR_OVER_CL45(bp, phy,
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);
/* Advertise CL73 link speeds */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV2,
&reg_val);
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV2,
reg_val);
/* CL73 Autoneg Enabled */
reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
} else /* CL73 Autoneg Disabled */
reg_val = 0;
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
}
/* program SerDes, forced speed */
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 reg_val;
/* program duplex, disable autoneg and sgmii*/
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
if (phy->req_duplex == DUPLEX_FULL)
reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
/*
* program speed
* - needed only if the speed is greater than 1G (2.5G or 10G)
*/
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_MISC1, &reg_val);
/* 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))) {
reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
if (vars->line_speed == SPEED_10000)
reg_val |=
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
}
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_MISC1, reg_val);
}
static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 val = 0;
/* configure the 48 bits for BAM AN */
/* set extended capabilities */
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
val |= MDIO_OVER_1G_UP1_2_5G;
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
val |= MDIO_OVER_1G_UP1_10G;
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_UP1, val);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_UP3, 0x400);
}
static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
struct link_params *params,
u16 ieee_fc)
{
struct bnx2x *bp = params->bp;
u16 val;
/* for AN, we are always publishing full duplex */
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV1, &val);
val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV1, val);
}
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
struct link_params *params,
u8 enable_cl73)
{
struct bnx2x *bp = params->bp;
u16 mii_control;
DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
/* Enable and restart BAM/CL37 aneg */
if (enable_cl73) {
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
&mii_control);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
(mii_control |
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
} else {
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
&mii_control);
DP(NETIF_MSG_LINK,
"bnx2x_restart_autoneg mii_control before = 0x%x\n",
mii_control);
CL22_WR_OVER_CL45(bp, phy,
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));
}
}
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 control1;
/* in SGMII mode, the unicore is always slave */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
&control1);
control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
/* set sgmii mode (and not fiber) */
control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
control1);
/* if forced speed */
if (!(vars->line_speed == SPEED_AUTO_NEG)) {
/* set speed, disable autoneg */
u16 mii_control;
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
&mii_control);
mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
switch (vars->line_speed) {
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 */
DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
vars->line_speed);
break;
}
/* setting the full duplex */
if (phy->req_duplex == DUPLEX_FULL)
mii_control |=
MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
mii_control);
} else { /* AN mode */
/* enable and restart AN */
bnx2x_restart_autoneg(phy, params, 0);
}
}
/*
* link management
*/
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 pd_10g, status2_1000x;
if (phy->req_line_speed != SPEED_AUTO_NEG)
return 0;
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
&status2_1000x);
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
&status2_1000x);
if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
params->port);
return 1;
}
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
&pd_10g);
if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
params->port);
return 1;
}
return 0;
}
static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars,
u32 gp_status)
{
struct bnx2x *bp = params->bp;
u16 ld_pause; /* local driver */
u16 lp_pause; /* link partner */
u16 pause_result;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
/* resolve from gp_status in case of AN complete and not sgmii */
if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
vars->flow_ctrl = phy->req_flow_ctrl;
else if (phy->req_line_speed != SPEED_AUTO_NEG)
vars->flow_ctrl = params->req_fc_auto_adv;
else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
(!(vars->phy_flags & PHY_SGMII_FLAG))) {
if (bnx2x_direct_parallel_detect_used(phy, params)) {
vars->flow_ctrl = params->req_fc_auto_adv;
return;
}
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);
}
DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 rx_status, ustat_val, cl37_fsm_received;
DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
/* Step 1: Make sure signal is detected */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_RX0,
MDIO_RX0_RX_STATUS,
&rx_status);
if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
(MDIO_RX0_RX_STATUS_SIGDET)) {
DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
"rx_status(0x80b0) = 0x%x\n", rx_status);
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
return;
}
/* Step 2: Check CL73 state machine */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_USERB0,
MDIO_CL73_USERB0_CL73_USTAT1,
&ustat_val);
if ((ustat_val &
(MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
(MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
"ustat_val(0x8371) = 0x%x\n", ustat_val);
return;
}
/*
* Step 3: Check CL37 Message Pages received to indicate LP
* supports only CL37
*/
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_REMOTE_PHY,
MDIO_REMOTE_PHY_MISC_RX_STATUS,
&cl37_fsm_received);
if ((cl37_fsm_received &
(MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
(MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
"misc_rx_status(0x8330) = 0x%x\n",
cl37_fsm_received);
return;
}
/*
* The combined cl37/cl73 fsm state information indicating that
* we are connected to a device which does not support cl73, but
* does support cl37 BAM. In this case we disable cl73 and
* restart cl37 auto-neg
*/
/* Disable CL73 */
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
0);
/* Restart CL37 autoneg */
bnx2x_restart_autoneg(phy, params, 0);
DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
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;
}
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)
{
struct bnx2x *bp = params->bp;
if (phy->req_line_speed == SPEED_AUTO_NEG)
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
if (is_link_up) {
DP(NETIF_MSG_LINK, "phy link up\n");
vars->phy_link_up = 1;
vars->link_status |= LINK_STATUS_LINK_UP;
switch (speed_mask) {
case GP_STATUS_10M:
vars->line_speed = SPEED_10;
if (vars->duplex == DUPLEX_FULL)
vars->link_status |= LINK_10TFD;
else
vars->link_status |= LINK_10THD;
break;
case GP_STATUS_100M:
vars->line_speed = SPEED_100;
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:
vars->line_speed = SPEED_1000;
if (vars->duplex == DUPLEX_FULL)
vars->link_status |= LINK_1000TFD;
else
vars->link_status |= LINK_1000THD;
break;
case GP_STATUS_2_5G:
vars->line_speed = SPEED_2500;
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",
speed_mask);
return -EINVAL;
case GP_STATUS_10G_KX4:
case GP_STATUS_10G_HIG:
case GP_STATUS_10G_CX4:
case GP_STATUS_10G_KR:
case GP_STATUS_10G_SFI:
case GP_STATUS_10G_XFI:
vars->line_speed = SPEED_10000;
vars->link_status |= LINK_10GTFD;
break;
case GP_STATUS_20G_DXGXS:
vars->line_speed = SPEED_20000;
vars->link_status |= LINK_20GTFD;
break;
default:
DP(NETIF_MSG_LINK,
"link speed unsupported gp_status 0x%x\n",
speed_mask);
return -EINVAL;
}
} else { /* link_down */
DP(NETIF_MSG_LINK, "phy link down\n");
vars->phy_link_up = 0;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
vars->mac_type = MAC_TYPE_NONE;
}
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;
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 */
if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
SINGLE_MEDIA_DIRECT(params)) {
/* Check signal is detected */
bnx2x_check_fallback_to_cl37(phy, params);
}
}
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;
}
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);
}
}
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;
}
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
{
struct bnx2x *bp = params->bp;
struct bnx2x_phy *phy = &params->phy[INT_PHY];
u16 lp_up2;
u16 tx_driver;
u16 bank;
/* read precomp */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_LP_UP2, &lp_up2);
/* bits [10:7] at lp_up2, positioned at [15:12] */
lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
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)) {
CL22_RD_OVER_CL45(bp, phy,
bank,
MDIO_TX0_TX_DRIVER, &tx_driver);
/* replace tx_driver bits [15:12] */
if (lp_up2 !=
(tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
tx_driver |= lp_up2;
CL22_WR_OVER_CL45(bp, phy,
bank,
MDIO_TX0_TX_DRIVER, tx_driver);
}
}
}
static int bnx2x_emac_program(struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
u16 mode = 0;
DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
EMAC_REG_EMAC_MODE,
(EMAC_MODE_25G_MODE |
EMAC_MODE_PORT_MII_10M |
EMAC_MODE_HALF_DUPLEX));
switch (vars->line_speed) {
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 */
DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
vars->line_speed);
return -EINVAL;
}
if (vars->duplex == DUPLEX_HALF)
mode |= EMAC_MODE_HALF_DUPLEX;
bnx2x_bits_en(bp,
GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
mode);
bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
return 0;
}
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
struct link_params *params)
{
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++) {
CL22_WR_OVER_CL45(bp, phy,
bank,
MDIO_RX0_RX_EQ_BOOST,
phy->rx_preemphasis[i]);
}
for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
CL22_WR_OVER_CL45(bp, phy,
bank,
MDIO_TX0_TX_DRIVER,
phy->tx_preemphasis[i]);
}
}
static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
(params->loopback_mode == LOOPBACK_XGXS));
if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
if (SINGLE_MEDIA_DIRECT(params) &&
(params->feature_config_flags &
FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
bnx2x_set_preemphasis(phy, params);
/* forced speed requested? */
if (vars->line_speed != SPEED_AUTO_NEG ||
(SINGLE_MEDIA_DIRECT(params) &&
params->loopback_mode == LOOPBACK_EXT)) {
DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
/* disable autoneg */
bnx2x_set_autoneg(phy, params, vars, 0);
/* program speed and duplex */
bnx2x_program_serdes(phy, params, vars);
} else { /* AN_mode */
DP(NETIF_MSG_LINK, "not SGMII, AN\n");
/* AN enabled */
bnx2x_set_brcm_cl37_advertisement(phy, params);
/* program duplex & pause advertisement (for aneg) */
bnx2x_set_ieee_aneg_advertisement(phy, params,
vars->ieee_fc);
/* enable autoneg */
bnx2x_set_autoneg(phy, params, vars, enable_cl73);
/* enable and restart AN */
bnx2x_restart_autoneg(phy, params, enable_cl73);
}
} else { /* SGMII mode */
DP(NETIF_MSG_LINK, "SGMII\n");
bnx2x_initialize_sgmii_process(phy, params, vars);
}
}
static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
int rc;
vars->phy_flags |= PHY_XGXS_FLAG;
if ((phy->req_line_speed &&
((phy->req_line_speed == SPEED_100) ||
(phy->req_line_speed == SPEED_10))) ||
(!phy->req_line_speed &&
(phy->speed_cap_mask >=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
(phy->speed_cap_mask <
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
(phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
vars->phy_flags |= PHY_SGMII_FLAG;
else
vars->phy_flags &= ~PHY_SGMII_FLAG;
bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
bnx2x_set_aer_mmd(params, phy);
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
bnx2x_set_master_ln(params, phy);
rc = bnx2x_reset_unicore(params, phy, 0);
/* reset the SerDes and wait for reset bit return low */
if (rc != 0)
return rc;
bnx2x_set_aer_mmd(params, phy);
/* setting the masterLn_def again after the reset */
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
bnx2x_set_master_ln(params, phy);
bnx2x_set_swap_lanes(params, phy);
}
return rc;
}
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
struct bnx2x_phy *phy,
struct link_params *params)
{
u16 cnt, ctrl;
/* Wait for soft reset to get cleared up to 1 sec */
for (cnt = 0; cnt < 1000; cnt++) {
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
bnx2x_cl22_read(bp, phy,
MDIO_PMA_REG_CTRL, &ctrl);
else
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL, &ctrl);
if (!(ctrl & (1<<15)))
break;
msleep(1);
}
if (cnt == 1000)
netdev_err(bp->dev, "Warning: PHY was not initialized,"
" Port %d\n",
params->port);
DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
return cnt;
}
static void bnx2x_link_int_enable(struct link_params *params)
{
u8 port = params->port;
u32 mask;
struct bnx2x *bp = params->bp;
/* Setting the status to report on link up for either XGXS or SerDes */
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) {
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));
}
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
u8 exp_mi_int)
{
u32 latch_status = 0;
/*
* Disable the MI INT ( external phy int ) by writing 1 to the
* status register. Link down indication is high-active-signal,
* so in this case we need to write the status to clear the XOR
*/
/* Read Latched signals */
latch_status = REG_RD(bp,
NIG_REG_LATCH_STATUS_0 + port*8);
DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
/* Handle only those with latched-signal=up.*/
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);
if (latch_status & 1) {
/* For all latched-signal=up : Re-Arm Latch signals */
REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
(latch_status & 0xfffe) | (latch_status & 1));
}
/* For all latched-signal=up,Write original_signal to status */
}
static void bnx2x_link_int_ack(struct link_params *params,
struct link_vars *vars, u8 is_10g_plus)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
u32 mask;
/*
* First reset all status we assume only one line will be
* change at a time
*/
bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
(NIG_STATUS_XGXS0_LINK10G |
NIG_STATUS_XGXS0_LINK_STATUS |
NIG_STATUS_SERDES0_LINK_STATUS));
if (vars->phy_link_up) {
if (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 &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
mask = ((1 << ser_lane) <<
NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
} else
mask = NIG_STATUS_SERDES0_LINK_STATUS;
}
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);
}
}
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
{
u8 *str_ptr = str;
u32 mask = 0xf0000000;
u8 shift = 8*4;
u8 digit;
u8 remove_leading_zeros = 1;
if (*len < 10) {
/* Need more than 10chars for this format */
*str_ptr = '\0';
(*len)--;
return -EINVAL;
}
while (shift > 0) {
shift -= 4;
digit = ((num & mask) >> shift);
if (digit == 0 && remove_leading_zeros) {
mask = mask >> 4;
continue;
} else if (digit < 0xa)
*str_ptr = digit + '0';
else
*str_ptr = digit - 0xa + 'a';
remove_leading_zeros = 0;
str_ptr++;
(*len)--;
mask = mask >> 4;
if (shift == 4*4) {
*str_ptr = '.';
str_ptr++;
(*len)--;
remove_leading_zeros = 1;
}
}
return 0;
}
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
{
str[0] = '\0';
(*len)--;
return 0;
}
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
u8 *version, u16 len)
{
struct bnx2x *bp;
u32 spirom_ver = 0;
int status = 0;
u8 *ver_p = version;
u16 remain_len = len;
if (version == NULL || params == NULL)
return -EINVAL;
bp = params->bp;
/* Extract first external phy*/
version[0] = '\0';
spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
if (params->phy[EXT_PHY1].format_fw_ver) {
status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
ver_p,
&remain_len);
ver_p += (len - remain_len);
}
if ((params->num_phys == MAX_PHYS) &&
(params->phy[EXT_PHY2].ver_addr != 0)) {
spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
if (params->phy[EXT_PHY2].format_fw_ver) {
*ver_p = '/';
ver_p++;
remain_len--;
status |= params->phy[EXT_PHY2].format_fw_ver(
spirom_ver,
ver_p,
&remain_len);
ver_p = version + (len - remain_len);
}
}
*ver_p = '\0';
return status;
}
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
struct link_params *params)
{
u8 port = params->port;
struct bnx2x *bp = params->bp;
if (phy->req_line_speed != SPEED_1000) {
u32 md_devad = 0;
DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
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));
REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
0x5);
}
bnx2x_cl45_write(bp, phy,
5,
(MDIO_REG_BANK_AER_BLOCK +
(MDIO_AER_BLOCK_AER_REG & 0xf)),
0x2800);
bnx2x_cl45_write(bp, phy,
5,
(MDIO_REG_BANK_CL73_IEEEB0 +
(MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
0x6041);
msleep(200);
/* set aer mmd back */
bnx2x_set_aer_mmd(params, phy);
if (!CHIP_IS_E3(bp)) {
/* and md_devad */
REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
md_devad);
}
} else {
u16 mii_ctrl;
DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
bnx2x_cl45_read(bp, phy, 5,
(MDIO_REG_BANK_COMBO_IEEE0 +
(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
&mii_ctrl);
bnx2x_cl45_write(bp, phy, 5,
(MDIO_REG_BANK_COMBO_IEEE0 +
(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
mii_ctrl |
MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
}
}
int bnx2x_set_led(struct link_params *params,
struct link_vars *vars, u8 mode, u32 speed)
{
u8 port = params->port;
u16 hw_led_mode = params->hw_led_mode;
int rc = 0;
u8 phy_idx;
u32 tmp;
u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
struct bnx2x *bp = params->bp;
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);
/* 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);
}
}
switch (mode) {
case LED_MODE_FRONT_PANEL_OFF:
case LED_MODE_OFF:
REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
SHARED_HW_CFG_LED_MAC1);
tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
break;
case LED_MODE_OPER:
/*
* For all other phys, OPER mode is same as ON, so in case
* link is down, do nothing
*/
if (!vars->link_up)
break;
case LED_MODE_ON:
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)) &&
CHIP_IS_E2(bp) && params->num_phys == 2) {
/*
* This is a work-around for E2+8727 Configurations
*/
if (mode == LED_MODE_ON ||
speed == SPEED_10000){
REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
EMAC_WR(bp, EMAC_REG_EMAC_LED,
(tmp | EMAC_LED_OVERRIDE));
/*
* return here without enabling traffic
* LED blink andsetting rate in ON mode.
* In oper mode, enabling LED blink
* and setting rate is needed.
*/
if (mode == LED_MODE_ON)
return rc;
}
} else if (SINGLE_MEDIA_DIRECT(params)) {
/*
* This is a work-around for HW issue found when link
* is up in CL73
*/
REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
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);
} else
REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
/* Set blinking rate to ~15.9Hz */
REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
LED_BLINK_RATE_VAL);
REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
port*4, 1);
tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
if (CHIP_IS_E1(bp) &&
((speed == SPEED_2500) ||
(speed == SPEED_1000) ||
(speed == SPEED_100) ||
(speed == SPEED_10))) {
/*
* On Everest 1 Ax chip versions for speeds less than
* 10G LED scheme is different
*/
REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
+ port*4, 1);
REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
port*4, 0);
REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
port*4, 1);
}
break;
default:
rc = -EINVAL;
DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
mode);
break;
}
return rc;
}
/*
* This function comes to reflect the actual link state read DIRECTLY from the
* HW
*/
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
u8 is_serdes)
{
struct bnx2x *bp = params->bp;
u16 gp_status = 0, phy_index = 0;
u8 ext_phy_link_up = 0, serdes_phy_type;
struct link_vars temp_vars;
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,
MDIO_REG_BANK_GP_STATUS,
MDIO_GP_STATUS_TOP_AN_STATUS1,
&gp_status);
/* link is up only if both local phy and external phy are up */
if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
return -ESRCH;
}
/* In XGXS loopback mode, do not check external PHY */
if (params->loopback_mode == LOOPBACK_XGXS)
return 0;
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 */
for (phy_index = EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
serdes_phy_type = ((params->phy[phy_index].media_type ==
ETH_PHY_SFP_FIBER) ||
(params->phy[phy_index].media_type ==
ETH_PHY_XFP_FIBER) ||
(params->phy[phy_index].media_type ==
ETH_PHY_DA_TWINAX));
if (is_serdes != serdes_phy_type)
continue;
if (params->phy[phy_index].read_status) {
ext_phy_link_up |=
params->phy[phy_index].read_status(
&params->phy[phy_index],
params, &temp_vars);
}
}
break;
}
if (ext_phy_link_up)
return 0;
return -ESRCH;
}
static int bnx2x_link_initialize(struct link_params *params,
struct link_vars *vars)
{
int rc = 0;
u8 phy_index, non_ext_phy;
struct bnx2x *bp = params->bp;
/*
* In case of external phy existence, the line speed would be the
* line speed linked up by the external phy. In case it is direct
* only, then the line_speed during initialization will be
* equal to the req_line_speed
*/
vars->line_speed = params->phy[INT_PHY].req_line_speed;
/*
* Initialize the internal phy in case this is a direct board
* (no external phys), or this board has external phy which requires
* to first.
*/
if (!USES_WARPCORE(bp))
bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
/* init ext phy and enable link state int */
non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
(params->loopback_mode == LOOPBACK_XGXS));
if (non_ext_phy ||
(params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
(params->loopback_mode == LOOPBACK_EXT_PHY)) {
struct bnx2x_phy *phy = &params->phy[INT_PHY];
if (vars->line_speed == SPEED_AUTO_NEG &&
(CHIP_IS_E1x(bp) ||
CHIP_IS_E2(bp)))
bnx2x_set_parallel_detection(phy, params);
if (params->phy[INT_PHY].config_init)
params->phy[INT_PHY].config_init(phy,
params,
vars);
}
/* Init external phy*/
if (non_ext_phy) {
if (params->phy[INT_PHY].supported &
SUPPORTED_FIBRE)
vars->link_status |= LINK_STATUS_SERDES_LINK;
} else {
for (phy_index = EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
/*
* No need to initialize second phy in case of first
* phy only selection. In case of second phy, we do
* need to initialize the first phy, since they are
* connected.
*/
if (params->phy[phy_index].supported &
SUPPORTED_FIBRE)
vars->link_status |= LINK_STATUS_SERDES_LINK;
if (phy_index == EXT_PHY2 &&
(bnx2x_phy_selection(params) ==
PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
DP(NETIF_MSG_LINK,
"Not initializing second phy\n");
continue;
}
params->phy[phy_index].config_init(
&params->phy[phy_index],
params, vars);
}
}
/* 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));
bnx2x_update_mng(params, vars->link_status);
return rc;
}
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
/* reset the SerDes/XGXS */
REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
(0x1ff << (params->port*16)));
}
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u8 gpio_port;
/* HW reset */
if (CHIP_IS_E2(bp))
gpio_port = BP_PATH(bp);
else
gpio_port = params->port;
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
gpio_port);
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
gpio_port);
DP(NETIF_MSG_LINK, "reset external PHY\n");
}
static int bnx2x_update_link_down(struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
/* indicate no mac active */
vars->mac_type = MAC_TYPE_NONE;
/* update shared memory */
vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
LINK_STATUS_LINK_UP |
LINK_STATUS_PHYSICAL_LINK_FLAG |
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
vars->line_speed = 0;
bnx2x_update_mng(params, vars->link_status);
/* activate nig drain */
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
/* disable emac */
if (!CHIP_IS_E3(bp))
REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
msleep(10);
/* 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,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
}
if (CHIP_IS_E3(bp))
bnx2x_xmac_disable(params);
return 0;
}
static int bnx2x_update_link_up(struct link_params *params,
struct link_vars *vars,
u8 link_10g)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
int rc = 0;
vars->link_status |= (LINK_STATUS_LINK_UP |
LINK_STATUS_PHYSICAL_LINK_FLAG);
vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
vars->link_status |=
LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
vars->link_status |=
LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
if (USES_WARPCORE(bp)) {
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
bnx2x_umac_enable(params, vars, 0);
bnx2x_set_led(params, vars,
LED_MODE_OPER, vars->line_speed);
}
if ((CHIP_IS_E1x(bp) ||
CHIP_IS_E2(bp))) {
if (link_10g) {
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;
}
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);
}
}
/* PBF - link up */
if (CHIP_IS_E1x(bp))
rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
vars->line_speed);
/* disable drain */
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
/* update shared memory */
bnx2x_update_mng(params, vars->link_status);
msleep(20);
return rc;
}
/*
* 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.
*/
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
struct link_vars phy_vars[MAX_PHYS];
u8 port = params->port;
u8 link_10g_plus, phy_index;
u8 ext_phy_link_up = 0, cur_link_up;
int rc = 0;
u8 is_mi_int = 0;
u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
u8 active_external_phy = INT_PHY;
vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
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;
phy_vars[phy_index].fault_detected = 0;
}
if (USES_WARPCORE(bp))
bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
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));
is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
port*0x18) > 0);
DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
is_mi_int,
REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
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));
/* disable emac */
if (!CHIP_IS_E3(bp))
REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
/*
* Step 1:
* Check external link change only for external phys, and apply
* priority selection between them in case the link on both phys
* is up. Note that instead of the common vars, a temporary
* vars argument is used since each phy may have different link/
* speed/duplex result
*/
for (phy_index = EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
struct bnx2x_phy *phy = &params->phy[phy_index];
if (!phy->read_status)
continue;
/* Read link status and params of this ext phy */
cur_link_up = phy->read_status(phy, params,
&phy_vars[phy_index]);
if (cur_link_up) {
DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
phy_index);
} else {
DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
phy_index);
continue;
}
if (!ext_phy_link_up) {
ext_phy_link_up = 1;
active_external_phy = phy_index;
} else {
switch (bnx2x_phy_selection(params)) {
case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
/*
* In this option, the first PHY makes sure to pass the
* traffic through itself only.
* Its not clear how to reset the link on the second phy
*/
active_external_phy = EXT_PHY1;
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
/*
* In this option, the first PHY makes sure to pass the
* traffic through the second PHY.
*/
active_external_phy = EXT_PHY2;
break;
default:
/*
* Link indication on both PHYs with the following cases
* is invalid:
* - FIRST_PHY means that second phy wasn't initialized,
* hence its link is expected to be down
* - SECOND_PHY means that first phy should not be able
* to link up by itself (using configuration)
* - DEFAULT should be overriden during initialiazation
*/
DP(NETIF_MSG_LINK, "Invalid link indication"
"mpc=0x%x. DISABLING LINK !!!\n",
params->multi_phy_config);
ext_phy_link_up = 0;
break;
}
}
}
prev_line_speed = vars->line_speed;
/*
* Step 2:
* Read the status of the internal phy. In case of
* DIRECT_SINGLE_MEDIA board, this link is the external link,
* otherwise this is the link between the 577xx and the first
* external phy
*/
if (params->phy[INT_PHY].read_status)
params->phy[INT_PHY].read_status(
&params->phy[INT_PHY],
params, vars);
/*
* The INT_PHY flow control reside in the vars. This include the
* case where the speed or flow control are not set to AUTO.
* Otherwise, the active external phy flow control result is set
* to the vars. The ext_phy_line_speed is needed to check if the
* speed is different between the internal phy and external phy.
* This case may be result of intermediate link speed change.
*/
if (active_external_phy > INT_PHY) {
vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
/*
* Link speed is taken from the XGXS. AN and FC result from
* the external phy.
*/
vars->link_status |= phy_vars[active_external_phy].link_status;
/*
* if active_external_phy is first PHY and link is up - disable
* disable TX on second external PHY
*/
if (active_external_phy == EXT_PHY1) {
if (params->phy[EXT_PHY2].phy_specific_func) {
DP(NETIF_MSG_LINK,
"Disabling TX on EXT_PHY2\n");
params->phy[EXT_PHY2].phy_specific_func(
&params->phy[EXT_PHY2],
params, DISABLE_TX);
}
}
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;
else
vars->link_status &= ~LINK_STATUS_SERDES_LINK;
DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
active_external_phy);
}
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;
}
}
DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
" ext_phy_line_speed = %d\n", vars->flow_ctrl,
vars->link_status, ext_phy_line_speed);
/*
* Upon link speed change set the NIG into drain mode. Comes to
* deals with possible FIFO glitch due to clk change when speed
* is decreased without link down indicator
*/
if (vars->phy_link_up) {
if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
(ext_phy_line_speed != vars->line_speed)) {
DP(NETIF_MSG_LINK, "Internal link speed %d is"
" different than the external"
" link speed %d\n", vars->line_speed,
ext_phy_line_speed);
vars->phy_link_up = 0;
} else if (prev_line_speed != vars->line_speed) {
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
0);
msleep(1);
}
}
/* anything 10 and over uses the bmac */
link_10g_plus = (vars->line_speed >= SPEED_10000);
bnx2x_link_int_ack(params, vars, link_10g_plus);
/*
* In case external phy link is up, and internal link is down
* (not initialized yet probably after link initialization, it
* needs to be initialized.
* Note that after link down-up as result of cable plug, the xgxs
* link would probably become up again without the need
* initialize it
*/
if (!(SINGLE_MEDIA_DIRECT(params))) {
DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
" init_preceding = %d\n", ext_phy_link_up,
vars->phy_link_up,
params->phy[EXT_PHY1].flags &
FLAGS_INIT_XGXS_FIRST);
if (!(params->phy[EXT_PHY1].flags &
FLAGS_INIT_XGXS_FIRST)
&& ext_phy_link_up && !vars->phy_link_up) {
vars->line_speed = ext_phy_line_speed;
if (vars->line_speed < SPEED_1000)
vars->phy_flags |= PHY_SGMII_FLAG;
else
vars->phy_flags &= ~PHY_SGMII_FLAG;
if (params->phy[INT_PHY].config_init)
params->phy[INT_PHY].config_init(
&params->phy[INT_PHY], params,
vars);
}
}
/*
* Link is up only if both local phy and external phy (in case of
* non-direct board) are up and no fault detected on active PHY.
*/
vars->link_up = (vars->phy_link_up &&
(ext_phy_link_up ||
SINGLE_MEDIA_DIRECT(params)) &&
(phy_vars[active_external_phy].fault_detected == 0));
if (vars->link_up)
rc = bnx2x_update_link_up(params, vars, link_10g_plus);
else
rc = bnx2x_update_link_down(params, vars);
return rc;
}
/*****************************************************************************/
/* External Phy section */
/*****************************************************************************/
void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
{
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
msleep(1);
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
}
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);
if (ver_addr)
REG_WR(bp, ver_addr, spirom_ver);
}
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
struct bnx2x_phy *phy,
u8 port)
{
u16 fw_ver1, fw_ver2;
bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2, &fw_ver2);
bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
phy->ver_addr);
}
static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
struct bnx2x_phy *phy,
struct link_vars *vars)
{
u16 val;
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_STATUS, &val);
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_STATUS, &val);
if (val & (1<<5))
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
if ((val & (1<<0)) == 0)
vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
}
/******************************************************************/
/* common BCM8073/BCM8727 PHY SECTION */
/******************************************************************/
static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
if (phy->req_line_speed == SPEED_10 ||
phy->req_line_speed == SPEED_100) {
vars->flow_ctrl = phy->req_flow_ctrl;
return;
}
if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
(vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
u16 pause_result;
u16 ld_pause; /* local */
u16 lp_pause; /* link partner */
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_CL37_FC_LD, &ld_pause);
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_CL37_FC_LP, &lp_pause);
pause_result = (ld_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
pause_result |= (lp_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
bnx2x_pause_resolve(vars, pause_result);
DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
pause_result);
}
}
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
struct bnx2x_phy *phy,
u8 port)
{
u32 count = 0;
u16 fw_ver1, fw_msgout;
int rc = 0;
/* Boot port from external ROM */
/* EDC grst */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
0x0001);
/* ucode reboot and rst */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
0x008c);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0001);
/* Reset internal microprocessor */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
/* Release srst bit */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
/* 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)));
/* Clear ser_boot_ctl bit */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0000);
bnx2x_save_bcm_spirom_ver(bp, phy, port);
DP(NETIF_MSG_LINK,
"bnx2x_8073_8727_external_rom_boot port %x:"
"Download complete. fw version = 0x%x\n",
port, fw_ver1);
return rc;
}
/******************************************************************/
/* BCM8073 PHY SECTION */
/******************************************************************/
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
{
/* This is only required for 8073A1, version 102 only */
u16 val;
/* Read 8073 HW revision*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_CHIP_REV, &val);
if (val != 1) {
/* No need to workaround in 8073 A1 */
return 0;
}
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2, &val);
/* SNR should be applied only for version 0x102 */
if (val != 0x102)
return 0;
return 1;
}
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
{
u16 val, cnt, cnt1 ;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_CHIP_REV, &val);
if (val > 0) {
/* No need to workaround in 8073 A1 */
return 0;
}
/* XAUI workaround in 8073 A0: */
/*
* After loading the boot ROM and restarting Autoneg, poll
* Dev1, Reg $C820:
*/
for (cnt = 0; cnt < 1000; cnt++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
&val);
/*
* If bit [14] = 0 or bit [13] = 0, continue on with
* system initialization (XAUI work-around not required, as
* these bits indicate 2.5G or 1G link up).
*/
if (!(val & (1<<14)) || !(val & (1<<13))) {
DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
return 0;
} else if (!(val & (1<<15))) {
DP(NETIF_MSG_LINK, "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.
*/
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);
}
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
struct bnx2x_phy *phy,
struct link_vars *vars)
{
u16 cl37_val;
struct bnx2x *bp = params->bp;
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_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_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);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
msleep(500);
}
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 val = 0, tmp1;
u8 gpio_port;
DP(NETIF_MSG_LINK, "Init 8073\n");
if (CHIP_IS_E2(bp))
gpio_port = BP_PATH(bp);
else
gpio_port = params->port;
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
/* enable LASI */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
bnx2x_8073_set_pause_cl37(params, phy, vars);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
/* 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)));
}
/* 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_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");
}
if (params->loopback_mode == LOOPBACK_EXT) {
bnx2x_807x_force_10G(bp, phy);
DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
return 0;
} else {
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
}
if (phy->req_line_speed != SPEED_AUTO_NEG) {
if (phy->req_line_speed == SPEED_10000) {
val = (1<<7);
} else if (phy->req_line_speed == SPEED_2500) {
val = (1<<5);
/*
* Note that 2.5G works only when used with 1G
* advertisement
*/
} else
val = (1<<5);
} else {
val = 0;
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
val |= (1<<7);
/* Note that 2.5G works only when used with 1G advertisement */
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);
}
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);
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;
}
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
/* Add support for CL37 (passive mode) II */
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)));
/* Add support for CL37 (passive mode) III */
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
/*
* 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
*/
if (bnx2x_8073_is_snr_needed(bp, phy))
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
0xFB0C);
/* 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);
bnx2x_ext_phy_set_pause(params, phy, vars);
/* 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;
}
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 link_up = 0;
u16 val1, val2;
u16 link_status = 0;
u16 an1000_status = 0;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
/* clear the interrupt LASI status register */
bnx2x_cl45_read(bp, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
bnx2x_cl45_read(bp, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
/* Clear MSG-OUT */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
/* Check the LASI */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
/* Check the link status */
bnx2x_cl45_read(bp, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
link_up = ((val1 & 4) == 4);
DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
if (link_up &&
((phy->req_line_speed != SPEED_10000))) {
if (bnx2x_8073_xaui_wa(bp, phy) != 0)
return 0;
}
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);
/* 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);
link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
/*
* The SNR will improve about 2dbby changing the BW and FEE main
* tap. The 1st write to change FFE main tap is set before
* restart AN. Change PLL Bandwidth in EDC register
*/
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
0x26BC);
/* Change CDR Bandwidth in EDC register */
bnx2x_cl45_write(bp, phy,
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);
/* 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);
}
if (link_up) {
/* Swap polarity if required */
if (params->lane_config &
PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
/* Configure the 8073 to swap P and N of the KR lines */
bnx2x_cl45_read(bp, phy,
MDIO_XS_DEVAD,
MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
/*
* Set bit 3 to invert Rx in 1G mode and clear this bit
* when it`s in 10G mode.
*/
if (vars->line_speed == SPEED_1000) {
DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
"the 8073\n");
val1 |= (1<<3);
} else
val1 &= ~(1<<3);
bnx2x_cl45_write(bp, phy,
MDIO_XS_DEVAD,
MDIO_XS_REG_8073_RX_CTRL_PCIE,
val1);
}
bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
bnx2x_8073_resolve_fc(phy, params, vars);
vars->duplex = DUPLEX_FULL;
}
return link_up;
}
static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u8 gpio_port;
if (CHIP_IS_E2(bp))
gpio_port = BP_PATH(bp);
else
gpio_port = params->port;
DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
gpio_port);
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
gpio_port);
}
/******************************************************************/
/* BCM8705 PHY SECTION */
/******************************************************************/
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "init 8705\n");
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
bnx2x_ext_phy_hw_reset(bp, params->port);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
bnx2x_wait_reset_complete(bp, phy, params);
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;
}
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);
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);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, 0xc809, &val1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, 0xc809, &val1);
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);
}
return link_up;
}
/******************************************************************/
/* SFP+ module Section */
/******************************************************************/
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);
}
static u8 bnx2x_get_gpio_port(struct link_params *params)
{
u8 gpio_port;
u32 swap_val, swap_override;
struct bnx2x *bp = params->bp;
if (CHIP_IS_E2(bp))
gpio_port = BP_PATH(bp);
else
gpio_port = params->port;
swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
return gpio_port ^ (swap_val && swap_override);
}
static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
struct bnx2x_phy *phy,
u8 tx_en)
{
u16 val;
u8 port = params->port;
struct bnx2x *bp = params->bp;
u32 tx_en_mode;
/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
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:
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
&val);
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;
}
}
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);
}
static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
struct link_params *params,
u16 addr, u8 byte_cnt, u8 *o_buf)
{
struct bnx2x *bp = params->bp;
u16 val = 0;
u16 i;
if (byte_cnt > 16) {
DP(NETIF_MSG_LINK,
"Reading from eeprom is limited to 0xf\n");
return -EINVAL;
}
/* Set the read command byte count */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
(byte_cnt | 0xa000));
/* Set the read command address */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
addr);
/* Activate read command */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
0x2c0f);
/* Wait up to 500us for command complete status */
for (i = 0; i < 100; i++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
break;
udelay(5);
}
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;
}
/* Read the buffer */
for (i = 0; i < byte_cnt; i++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
}
for (i = 0; i < 100; i++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
return 0;
msleep(1);
}
return -EINVAL;
}
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) {
DP(NETIF_MSG_LINK,
"Reading from eeprom is limited to 16 bytes\n");
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;
}
static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
struct link_params *params,
u16 addr, u8 byte_cnt, u8 *o_buf)
{
struct bnx2x *bp = params->bp;
u16 val, i;
if (byte_cnt > 16) {
DP(NETIF_MSG_LINK,
"Reading from eeprom is limited to 0xf\n");
return -EINVAL;
}
/* Need to read from 1.8000 to clear it */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
&val);
/* Set the read command byte count */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
((byte_cnt < 2) ? 2 : byte_cnt));
/* Set the read command address */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
addr);
/* Set the destination address */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
0x8004,
MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
/* Activate read command */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
0x8002);
/*
* Wait appropriate time for two-wire command to finish before
* polling the status register
*/
msleep(1);
/* Wait up to 500us for command complete status */
for (i = 0; i < 100; i++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
break;
udelay(5);
}
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 -EFAULT;
}
/* Read the buffer */
for (i = 0; i < byte_cnt; i++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
}
for (i = 0; i < 100; i++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
return 0;
msleep(1);
}
return -EINVAL;
}
int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
struct link_params *params, u16 addr,
u8 byte_cnt, u8 *o_buf)
{
int rc = -EINVAL;
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;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
byte_cnt, o_buf);
break;
}
return rc;
}
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
struct link_params *params,
u16 *edc_mode)
{
struct bnx2x *bp = params->bp;
u32 sync_offset = 0, phy_idx, media_types;
u8 val, check_limiting_mode = 0;
*edc_mode = EDC_MODE_LIMITING;
phy->media_type = ETH_PHY_UNSPECIFIED;
/* 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;
}
switch (val) {
case SFP_EEPROM_CON_TYPE_VAL_COPPER:
{
u8 copper_module_type;
phy->media_type = ETH_PHY_DA_TWINAX;
/*
* Check if its active cable (includes SFP+ module)
* of passive cable
*/
if (bnx2x_read_sfp_module_eeprom(phy,
params,
SFP_EEPROM_FC_TX_TECH_ADDR,
1,
&copper_module_type) != 0) {
DP(NETIF_MSG_LINK,
"Failed to read copper-cable-type"
" from SFP+ EEPROM\n");
return -EINVAL;
}
if (copper_module_type &
SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
check_limiting_mode = 1;
} else if (copper_module_type &
SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
DP(NETIF_MSG_LINK,
"Passive Copper cable detected\n");
*edc_mode =
EDC_MODE_PASSIVE_DAC;
} else {
DP(NETIF_MSG_LINK,
"Unknown copper-cable-type 0x%x !!!\n",
copper_module_type);
return -EINVAL;
}
break;
}
case SFP_EEPROM_CON_TYPE_VAL_LC:
phy->media_type = ETH_PHY_SFP_FIBER;
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;
}
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);
if (check_limiting_mode) {
u8 options[SFP_EEPROM_OPTIONS_SIZE];
if (bnx2x_read_sfp_module_eeprom(phy,
params,
SFP_EEPROM_OPTIONS_ADDR,
SFP_EEPROM_OPTIONS_SIZE,
options) != 0) {
DP(NETIF_MSG_LINK,
"Failed to read Option field from module EEPROM\n");
return -EINVAL;
}
if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
*edc_mode = EDC_MODE_LINEAR;
else
*edc_mode = EDC_MODE_LIMITING;
}
DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
return 0;
}
/*
* This function read the relevant field from the module (SFP+), and verify it
* is compliant with this board
*/
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u32 val, cmd;
u32 fw_resp, fw_cmd_param;
char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
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;
}
if (params->feature_config_flags &
FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
/* Use specific phy request */
cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
} else if (params->feature_config_flags &
FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
/* Use first phy request only in case of non-dual media*/
if (DUAL_MEDIA(params)) {
DP(NETIF_MSG_LINK,
"FW does not support OPT MDL verification\n");
return -EINVAL;
}
cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
} else {
/* No support in OPT MDL detection */
DP(NETIF_MSG_LINK,
"FW does not support OPT MDL verification\n");
return -EINVAL;
}
fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
DP(NETIF_MSG_LINK, "Approved module\n");
return 0;
}
/* format the warning message */
if (bnx2x_read_sfp_module_eeprom(phy,
params,
SFP_EEPROM_VENDOR_NAME_ADDR,
SFP_EEPROM_VENDOR_NAME_SIZE,
(u8 *)vendor_name))
vendor_name[0] = '\0';
else
vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
if (bnx2x_read_sfp_module_eeprom(phy,
params,
SFP_EEPROM_PART_NO_ADDR,
SFP_EEPROM_PART_NO_SIZE,
(u8 *)vendor_pn))
vendor_pn[0] = '\0';
else
vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
" Port %d from %s part number %s\n",
params->port, vendor_name, vendor_pn);
phy->flags |= FLAGS_SFP_NOT_APPROVED;
return -EINVAL;
}
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
struct link_params *params)
{
u8 val;
struct bnx2x *bp = params->bp;
u16 timeout;
/*
* Initialization time after hot-plug may take up to 300ms for
* some phys type ( e.g. JDSU )
*/
for (timeout = 0; timeout < 60; timeout++) {
if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
== 0) {
DP(NETIF_MSG_LINK,
"SFP+ module initialization took %d ms\n",
timeout * 5);
return 0;
}
msleep(5);
}
return -EINVAL;
}
static void bnx2x_8727_power_module(struct bnx2x *bp,
struct bnx2x_phy *phy,
u8 is_power_up) {
/* Make sure GPIOs are not using for LED mode */
u16 val;
/*
* In the GPIO register, bit 4 is use to determine if the GPIOs are
* operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
* output
* Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
* Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
* where the 1st bit is the over-current(only input), and 2nd bit is
* for power( only output )
*
* In case of NOC feature is disabled and power is up, set GPIO control
* as input to enable listening of over-current indication
*/
if (phy->flags & FLAGS_NOC)
return;
if (is_power_up)
val = (1<<4);
else
/*
* Set GPIO control to OUTPUT, and set the power bit
* to according to the is_power_up
*/
val = (1<<1);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_GPIO_CTRL,
val);
}
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
struct bnx2x_phy *phy,
u16 edc_mode)
{
u16 cur_limiting_mode;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
&cur_limiting_mode);
DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
cur_limiting_mode);
if (edc_mode == EDC_MODE_LIMITING) {
DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
EDC_MODE_LIMITING);
} else { /* LRM mode ( default )*/
DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
/*
* Changing to LRM mode takes quite few seconds. So do it only
* if current mode is limiting (default is LRM)
*/
if (cur_limiting_mode != EDC_MODE_LIMITING)
return 0;
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_LRM_MODE,
0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
0x128);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL0,
0x4008);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_LRM_MODE,
0xaaaa);
}
return 0;
}
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
struct bnx2x_phy *phy,
u16 edc_mode)
{
u16 phy_identifier;
u16 rom_ver2_val;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
&phy_identifier);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
(phy_identifier & ~(1<<9)));
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
&rom_ver2_val);
/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
(rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
(phy_identifier | (1<<9)));
return 0;
}
static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
struct link_params *params,
u32 action)
{
struct bnx2x *bp = params->bp;
switch (action) {
case DISABLE_TX:
bnx2x_sfp_set_transmitter(params, phy, 0);
break;
case ENABLE_TX:
if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
bnx2x_sfp_set_transmitter(params, phy, 1);
break;
default:
DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
action);
return;
}
}
static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
u8 gpio_mode)
{
struct bnx2x *bp = params->bp;
u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].sfp_ctrl)) &
PORT_HW_CFG_FAULT_MODULE_LED_MASK;
switch (fault_led_gpio) {
case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
return;
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
{
u8 gpio_port = bnx2x_get_gpio_port(params);
u16 gpio_pin = fault_led_gpio -
PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
DP(NETIF_MSG_LINK, "Set fault module-detected led "
"pin %x port %x mode %x\n",
gpio_pin, gpio_port, gpio_mode);
bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
}
break;
default:
DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
fault_led_gpio);
}
}
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;
if (pin_cfg == PIN_CFG_NA)
return;
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);
}
static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
bnx2x_warpcore_power_module(params, phy, 0);
}
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;
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;
default:
break;
}
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);
/* Restart microcode to re-read the new mode */
bnx2x_warpcore_reset_lane(bp, phy, 1);
bnx2x_warpcore_reset_lane(bp, phy, 0);
}
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;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
break;
}
}
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 edc_mode;
int rc = 0;
u32 val = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].config));
DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
params->port);
/* Power up module */
bnx2x_power_sfp_module(params, phy, 1);
if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
return -EINVAL;
} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
/* check SFP+ module compatibility */
DP(NETIF_MSG_LINK, "Module verification failed!!\n");
rc = -EINVAL;
/* Turn on fault module-detected led */
bnx2x_set_sfp_module_fault_led(params,
MISC_REGISTERS_GPIO_HIGH);
/* 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) {
DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
bnx2x_power_sfp_module(params, phy, 0);
return rc;
}
} else {
/* Turn off fault module-detected led */
bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
}
/*
* Check and set limiting mode / LRM mode on 8726. On 8727 it
* is done automatically
*/
bnx2x_set_limiting_mode(params, phy, edc_mode);
/*
* Enable transmit for this module if the module is approved, or
* if unapproved modules should also enable the Tx laser
*/
if (rc == 0 ||
(val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
bnx2x_sfp_set_transmitter(params, phy, 1);
else
bnx2x_sfp_set_transmitter(params, phy, 0);
return rc;
}
void bnx2x_handle_module_detect_int(struct link_params *params)
{
struct bnx2x *bp = params->bp;
struct bnx2x_phy *phy;
u32 gpio_val;
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;
}
/* Set valid module led off */
bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
/* Get current gpio val reflecting module plugged in / out*/
gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
/* Call the handling function in case module is detected */
if (gpio_val == 0) {
bnx2x_power_sfp_module(params, phy, 1);
bnx2x_set_gpio_int(bp, gpio_num,
MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
gpio_port);
if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
bnx2x_sfp_module_detection(phy, params);
else
DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
} else {
u32 val = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].
config));
bnx2x_set_gpio_int(bp, gpio_num,
MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
gpio_port);
/*
* Module was plugged out.
* Disable transmit for this module
*/
phy->media_type = ETH_PHY_NOT_PRESENT;
if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
CHIP_IS_E3(bp))
bnx2x_sfp_set_transmitter(params, phy, 0);
}
}
/******************************************************************/
/* 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);
}
/******************************************************************/
/* 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*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
MDIO_PMA_LASI_TXCTRL);
/* clear LASI indication*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
bnx2x_cl45_read(bp, phy,
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);
DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
" link_status 0x%x\n", rx_sd, pcs_status, val2);
/*
* link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
* are set, or if the autoneg bit 1 is set
*/
link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
if (link_up) {
if (val2 & (1<<1))
vars->line_speed = SPEED_1000;
else
vars->line_speed = SPEED_10000;
bnx2x_ext_phy_resolve_fc(phy, params, vars);
vars->duplex = DUPLEX_FULL;
}
/* Capture 10G link fault. Read twice to clear stale value. */
if (vars->line_speed == SPEED_10000) {
bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
if (val1 & (1<<0))
vars->fault_detected = 1;
}
return link_up;
}
/******************************************************************/
/* BCM8706 PHY SECTION */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u32 tx_en_mode;
u16 cnt, val, tmp1;
struct bnx2x *bp = params->bp;
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
bnx2x_ext_phy_hw_reset(bp, params->port);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
bnx2x_wait_reset_complete(bp, phy, params);
/* 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");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
0);
/* Arm LASI for link and Tx fault. */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
} else {
/* Force 1Gbps using autoneg with 1G advertisement */
/* 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);
/* Enable Full-Duplex advertisement on CL37 */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
/* Enable CL37 AN */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
/* 1G support */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
/* Enable clause 73 AN */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
0x0400);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
0x0004);
}
bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
/*
* 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);
}
return 0;
}
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
return bnx2x_8706_8726_read_status(phy, params, vars);
}
/******************************************************************/
/* 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);
}
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);
/* Micro controller re-boot */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
/* Set soft reset */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0001);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
/* wait for 150ms for microcode load */
msleep(150);
/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0000);
msleep(200);
bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
}
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 val1;
u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
if (link_up) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
&val1);
if (val1 & (1<<15)) {
DP(NETIF_MSG_LINK, "Tx is disabled\n");
link_up = 0;
vars->line_speed = 0;
}
}
return link_up;
}
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
bnx2x_wait_reset_complete(bp, phy, params);
bnx2x_8726_external_rom_boot(phy, params);
/*
* Need to call module detected on initialization since the module
* detection triggered by actual module insertion might occur before
* driver is loaded, and when driver is loaded, it reset all
* registers, including the transmitter
*/
bnx2x_sfp_module_detection(phy, params);
if (phy->req_line_speed == SPEED_1000) {
DP(NETIF_MSG_LINK, "Setting 1G force\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
0x400);
} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
/* Set Flow control */
bnx2x_ext_phy_set_pause(params, phy, vars);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
/*
* Enable RX-ALARM control to receive interrupt for 1G speed
* change
*/
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
0x400);
} else { /* Default 10G. Set only LASI control */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
}
/* Set TX PreEmphasis if needed */
if ((params->feature_config_flags &
FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
DP(NETIF_MSG_LINK,
"Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
phy->tx_preemphasis[0],
phy->tx_preemphasis[1]);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8726_TX_CTRL1,
phy->tx_preemphasis[0]);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8726_TX_CTRL2,
phy->tx_preemphasis[1]);
}
return 0;
}
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
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 */
/******************************************************************/
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);
}
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
struct link_params *params) {
u32 swap_val, swap_override;
u8 port;
/*
* The PHY reset is controlled by GPIO 1. Fake the port number
* to cancel the swap done in set_gpio()
*/
struct bnx2x *bp = params->bp;
swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
port = (swap_val && swap_override) ^ 1;
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
}
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u32 tx_en_mode;
u16 tmp1, val, mod_abs, tmp2;
u16 rx_alarm_ctrl_val;
u16 lasi_ctrl_val;
struct bnx2x *bp = params->bp;
/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
bnx2x_wait_reset_complete(bp, phy, params);
rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
/* Should be 0x6 to enable XS on Tx side. */
lasi_ctrl_val = 0x0006;
DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
/* enable LASI */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
rx_alarm_ctrl_val);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
/*
* Initially configure MOD_ABS to interrupt when module is
* presence( bit 8)
*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
/*
* Set EDC off by setting OPTXLOS signal input to low (bit 9).
* When the EDC is off it locks onto a reference clock and avoids
* becoming 'lost'
*/
mod_abs &= ~(1<<8);
if (!(phy->flags & FLAGS_NOC))
mod_abs &= ~(1<<9);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
/* Enable/Disable PHY transmitter output */
bnx2x_set_disable_pmd_transmit(params, phy, 0);
/* 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);
if (phy->flags & FLAGS_NOC)
val |= (3<<5);
/*
* 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 */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
bnx2x_8727_power_module(bp, phy, 1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
/* Set option 1G speed */
if (phy->req_line_speed == SPEED_1000) {
DP(NETIF_MSG_LINK, "Setting 1G force\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
/*
* 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);
}
} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
} else {
/*
* Since the 8727 has only single reset pin, need to set the 10G
* registers although it is default
*/
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
0x0020);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
0x0008);
}
/*
* Set 2-wire transfer rate of SFP+ module EEPROM
* to 100Khz since some DACs(direct attached cables) do
* not work at 400Khz.
*/
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
0xa001);
/* 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]);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
phy->tx_preemphasis[1]);
}
/*
* 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);
}
return 0;
}
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 mod_abs, rx_alarm_status;
u32 val = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].
config));
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
if (mod_abs & (1<<8)) {
/* Module is absent */
DP(NETIF_MSG_LINK,
"MOD_ABS indication show module is absent\n");
phy->media_type = ETH_PHY_NOT_PRESENT;
/*
* 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'.
*/
mod_abs &= ~(1<<8);
if (!(phy->flags & FLAGS_NOC))
mod_abs &= ~(1<<9);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
/*
* Clear RX alarm since it stays up as long as
* the mod_abs wasn't changed
*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
} else {
/* Module is present */
DP(NETIF_MSG_LINK,
"MOD_ABS indication show module is present\n");
/*
* 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)
*/
mod_abs |= (1<<8);
if (!(phy->flags & FLAGS_NOC))
mod_abs |= (1<<9);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
/*
* Clear RX alarm since it stays up as long as the mod_abs
* wasn't changed. This is need to be done before calling the
* module detection, otherwise it will clear* the link update
* alarm
*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
bnx2x_sfp_set_transmitter(params, phy, 0);
if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
bnx2x_sfp_module_detection(phy, params);
else
DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
}
DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
rx_alarm_status);
/* No need to check link status in case of module plugged in/out */
}
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 link_up = 0, oc_port = params->port;
u16 link_status = 0;
u16 rx_alarm_status, lasi_ctrl, val1;
/* If PHY is not initialized, do not check link status */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
&lasi_ctrl);
if (!lasi_ctrl)
return 0;
/* Check the LASI on Rx */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
&rx_alarm_status);
vars->line_speed = 0;
DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
MDIO_PMA_LASI_TXCTRL);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
/* Clear MSG-OUT */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
/*
* If a module is present and there is need to check
* for over current
*/
if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
/* Check over-current using 8727 GPIO0 input*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
&val1);
if ((val1 & (1<<8)) == 0) {
if (!CHIP_IS_E1x(bp))
oc_port = BP_PATH(bp) + (params->port << 1);
DP(NETIF_MSG_LINK,
"8727 Power fault has been detected on port %d\n",
oc_port);
netdev_err(bp->dev, "Error: Power fault on Port %d has"
" been detected and the power to "
"that SFP+ module has been removed"
" to prevent failure of the card."
" Please remove the SFP+ module and"
" restart the system to clear this"
" error.\n",
oc_port);
/* Disable all RX_ALARMs except for mod_abs */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXCTRL, (1<<5));
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
/* Wait for module_absent_event */
val1 |= (1<<8);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, val1);
/* Clear RX alarm */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
return 0;
}
} /* Over current check */
/* When module absent bit is set, check module */
if (rx_alarm_status & (1<<5)) {
bnx2x_8727_handle_mod_abs(phy, params);
/* Enable all mod_abs and link detection bits */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
((1<<5) | (1<<2)));
}
DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
bnx2x_8727_specific_func(phy, params, ENABLE_TX);
/* If transmitter is disabled, ignore false link up indication */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
if (val1 & (1<<15)) {
DP(NETIF_MSG_LINK, "Tx is disabled\n");
return 0;
}
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
/*
* Bits 0..2 --> speed detected,
* Bits 13..15--> link is down
*/
if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
link_up = 1;
vars->line_speed = SPEED_10000;
DP(NETIF_MSG_LINK, "port %x: External link up in 10G\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);
}
/* Capture 10G link fault. */
if (vars->line_speed == SPEED_10000) {
bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
if (val1 & (1<<0)) {
vars->fault_detected = 1;
}
}
if (link_up) {
bnx2x_ext_phy_resolve_fc(phy, params, vars);
vars->duplex = DUPLEX_FULL;
DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
}
if ((DUAL_MEDIA(params)) &&
(phy->req_line_speed == SPEED_1000)) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_GP, &val1);
/*
* In case of dual-media board and 1G, power up the XAUI side,
* otherwise power it down. For 10G it is done automatically
*/
if (link_up)
val1 &= ~(3<<10);
else
val1 |= (3<<10);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_GP, val1);
}
return link_up;
}
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
/* Enable/Disable PHY transmitter output */
bnx2x_set_disable_pmd_transmit(params, phy, 1);
/* Disable Transmitter */
bnx2x_sfp_set_transmitter(params, phy, 0);
/* Clear LASI */
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
}
/******************************************************************/
/* BCM8481/BCM84823/BCM84833 PHY SECTION */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
struct link_params *params)
{
u16 val, fw_ver1, fw_ver2, cnt;
u8 port;
struct bnx2x *bp = params->bp;
port = params->port;
/* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
/* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
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;
}
/* 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;
}
/* 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);
bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
phy->ver_addr);
}
static void bnx2x_848xx_set_led(struct bnx2x *bp,
struct bnx2x_phy *phy)
{
u16 val;
/* PHYC_CTL_LED_CTL */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
val &= 0xFE00;
val |= 0x0092;
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL, val);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x80);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x18);
/* Select activity source by Tx and Rx, as suggested by PHY AE */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x0006);
/* Select the closest activity blink rate to that in 10/100/1000 */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_BLINK,
0);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
/* 'Interrupt Mask' */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD,
0xFFFB, 0xFFFD);
}
static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 autoneg_val, an_1000_val, an_10_100_val;
u16 tmp_req_line_speed;
tmp_req_line_speed = phy->req_line_speed;
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
if (phy->req_line_speed == SPEED_10000)
phy->req_line_speed = SPEED_AUTO_NEG;
/*
* 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
*/
bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
1 << NIG_LATCH_BC_ENABLE_MI_INT);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
bnx2x_848xx_set_led(bp, phy);
/* set 1000 speed advertisement */
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
&an_1000_val);
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));
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_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
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)) &&
(phy->supported &
(SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full)))) {
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)) &&
(phy->supported &
(SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full)))) {
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) &&
(phy->supported &
(SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full))) {
autoneg_val |= (1<<13);
/* Enabled AUTO-MDIX when autoneg is disabled */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
(1<<15 | 1<<9 | 7<<0));
DP(NETIF_MSG_LINK, "Setting 100M force\n");
}
if ((phy->req_line_speed == SPEED_10) &&
(phy->supported &
(SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full))) {
/* 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");
}
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
an_10_100_val);
if (phy->req_duplex == DUPLEX_FULL)
autoneg_val |= (1<<8);
/*
* 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,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
(phy->req_line_speed == SPEED_10000)) {
DP(NETIF_MSG_LINK, "Advertising 10G\n");
/* Restart autoneg for 10G*/
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
0x3200);
} else
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
1);
/* Save spirom version */
bnx2x_save_848xx_spirom_version(phy, params);
phy->req_line_speed = tmp_req_line_speed;
return 0;
}
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
bnx2x_ext_phy_hw_reset(bp, params->port);
bnx2x_wait_reset_complete(bp, phy, params);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
return bnx2x_848xx_cmn_config_init(phy, params, vars);
}
#define PHY84833_HDSHK_WAIT 300
static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u32 idx;
u32 pair_swap;
u16 val;
u16 data;
struct bnx2x *bp = params->bp;
/* Do pair swap */
/* 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;
data = (u16)pair_swap;
/* Write CMD_OPEN_OVERRIDE to STATUS reg */
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG2,
PHY84833_CMD_OPEN_OVERRIDE);
for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
if (val == PHY84833_CMD_OPEN_FOR_CMDS)
break;
msleep(1);
}
if (idx >= PHY84833_HDSHK_WAIT) {
DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
return -EINVAL;
}
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG4,
data);
/* Issue pair swap command */
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG0,
PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
if ((val == PHY84833_CMD_COMPLETE_PASS) ||
(val == PHY84833_CMD_COMPLETE_ERROR))
break;
msleep(1);
}
if ((idx >= PHY84833_HDSHK_WAIT) ||
(val == PHY84833_CMD_COMPLETE_ERROR)) {
DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
return -EINVAL;
}
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG2,
PHY84833_CMD_CLEAR_COMPLETE);
DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
return 0;
}
static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
u32 shmem_base_path[],
u32 chip_id)
{
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]);
}
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;
}
static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
u32 shmem_base_path[],
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);
msleep(800);
DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
reset_gpios);
return 0;
}
#define PHY84833_CONSTANT_LATENCY 1193
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 port, initialize = 1;
u16 val;
u16 temp;
u32 actual_phy_selection, cms_enable, idx;
int rc = 0;
msleep(1);
if (!(CHIP_IS_E1(bp)))
port = BP_PATH(bp);
else
port = params->port;
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 {
/* MDIO reset */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL, 0x8000);
/* Bring PHY out of 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);
}
bnx2x_wait_reset_complete(bp, phy, params);
/* Wait for GPHY to come out of reset */
msleep(50);
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
bnx2x_84833_pair_swap_cfg(phy, params, vars);
/*
* BCM84823 requires that XGXS links up first @ 10G for normal behavior
*/
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;
/* Set dual-media configuration according to configuration */
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_MEDIA, &val);
val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
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);
}
actual_phy_selection = bnx2x_phy_selection(params);
switch (actual_phy_selection) {
case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
/* Do nothing. Essentially this is like the priority copper */
break;
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
break;
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
/* Do nothing here. The first PHY won't be initialized at all */
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
initialize = 0;
break;
}
if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_MEDIA, val);
DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
params->multi_phy_config, val);
/* AutogrEEEn */
if (params->feature_config_flags &
FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
/* Ensure that f/w is ready */
for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
if (val == PHY84833_CMD_OPEN_FOR_CMDS)
break;
usleep_range(1000, 1000);
}
if (idx >= PHY84833_HDSHK_WAIT) {
DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
return -EINVAL;
}
/* Select EEE mode */
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG3,
0x2);
/* Set Idle and Latency */
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG4,
PHY84833_CONSTANT_LATENCY + 1);
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_DATA3_REG,
PHY84833_CONSTANT_LATENCY + 1);
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_DATA4_REG,
PHY84833_CONSTANT_LATENCY);
/* Send EEE instruction to command register */
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG0,
PHY84833_DIAG_CMD_SET_EEE_MODE);
/* Ensure that the command has completed */
for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
if ((val == PHY84833_CMD_COMPLETE_PASS) ||
(val == PHY84833_CMD_COMPLETE_ERROR))
break;
usleep_range(1000, 1000);
}
if ((idx >= PHY84833_HDSHK_WAIT) ||
(val == PHY84833_CMD_COMPLETE_ERROR)) {
DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
return -EINVAL;
}
/* Reset command handler */
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_SCRATCH_REG2,
PHY84833_CMD_CLEAR_COMPLETE);
}
if (initialize)
rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
else
bnx2x_save_848xx_spirom_version(phy, params);
/* 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 +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].default_cfg)) &
PORT_HW_CFG_ENABLE_CMS_MASK;
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
if (cms_enable)
val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
else
val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_USER_CTRL_REG, val);
}
return rc;
}
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 val, val1, val2;
u8 link_up = 0;
/* Check 10G-BaseT link status */
/* Check PMD signal ok */
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD, 0xFFFA, &val1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
&val2);
DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
/* Check link 10G */
if (val2 & (1<<11)) {
vars->line_speed = SPEED_10000;
vars->duplex = DUPLEX_FULL;
link_up = 1;
bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
} else { /* Check Legacy speed link */
u16 legacy_status, legacy_speed;
/* Enable expansion register 0x42 (Operation mode status) */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
/* Get legacy speed operation status */
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
&legacy_status);
DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
legacy_status);
link_up = ((legacy_status & (1<<11)) == (1<<11));
if (link_up) {
legacy_speed = (legacy_status & (3<<9));
if (legacy_speed == (0<<9))
vars->line_speed = SPEED_10;
else if (legacy_speed == (1<<9))
vars->line_speed = SPEED_100;
else if (legacy_speed == (2<<9))
vars->line_speed = SPEED_1000;
else /* Should not happen */
vars->line_speed = 0;
if (legacy_status & (1<<8))
vars->duplex = DUPLEX_FULL;
else
vars->duplex = DUPLEX_HALF;
DP(NETIF_MSG_LINK,
"Link is up in %dMbps, is_duplex_full= %d\n",
vars->line_speed,
(vars->duplex == DUPLEX_FULL));
/* Check legacy speed AN resolution */
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_MII_STATUS,
&val);
if (val & (1<<5))
vars->link_status |=
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
&val);
if ((val & (1<<0)) == 0)
vars->link_status |=
LINK_STATUS_PARALLEL_DETECTION_USED;
}
}
if (link_up) {
DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
vars->line_speed);
bnx2x_ext_phy_resolve_fc(phy, params, vars);
}
return link_up;
}
static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
{
int status = 0;
u32 spirom_ver;
spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
status = bnx2x_format_ver(spirom_ver, str, len);
return status;
}
static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
}
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;
u8 port;
u16 val16;
if (!(CHIP_IS_E1(bp)))
port = BP_PATH(bp);
else
port = params->port;
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
port);
} else {
bnx2x_cl45_read(bp, phy,
MDIO_CTL_DEVAD,
0x400f, &val16);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL, 0x800);
}
}
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
struct link_params *params, u8 mode)
{
struct bnx2x *bp = params->bp;
u16 val;
u8 port;
if (!(CHIP_IS_E1(bp)))
port = BP_PATH(bp);
else
port = params->port;
switch (mode) {
case LED_MODE_OFF:
DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set LED masks */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x0);
} else {
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
}
break;
case LED_MODE_FRONT_PANEL_OFF:
DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set LED masks */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x20);
} else {
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
}
break;
case LED_MODE_ON:
DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set control reg */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
&val);
val &= 0x8000;
val |= 0x2492;
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
val);
/* Set LED masks */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x20);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x20);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x0);
} else {
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x20);
}
break;
case LED_MODE_OPER:
DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set control reg */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
&val);
if (!((val &
MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
>> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
0xa492);
}
/* Set LED masks */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x10);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x80);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x98);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x40);
} else {
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x80);
/* 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);
}
break;
}
/*
* 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);
}
}
/******************************************************************/
/* 54618SE PHY SECTION */
/******************************************************************/
static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
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;
DP(NETIF_MSG_LINK, "54618SE cfg init\n");
usleep_range(1000, 1000);
/* This works with E3 only, no need to check the chip
before determining the port. */
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");
}
/* 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);
}
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;
}
static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
struct link_params *params, u8 mode)
{
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
switch (mode) {
case LED_MODE_FRONT_PANEL_OFF:
case LED_MODE_OFF:
case LED_MODE_OPER:
case LED_MODE_ON:
default:
break;
}
return;
}
static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u32 cfg_pin;
u8 port;
/*
* 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.
*/
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);
}
static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
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);
DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
/* 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;
DP(NETIF_MSG_LINK,
"Link is up in %dMbps, is_duplex_full= %d\n",
vars->line_speed,
(vars->duplex == DUPLEX_FULL));
/* Check legacy speed AN resolution */
bnx2x_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;
DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
vars->line_speed);
/* 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);
}
bnx2x_ext_phy_resolve_fc(phy, params, vars);
}
return link_up;
}
static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 val;
u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
/* 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);
}
/******************************************************************/
/* SFX7101 PHY SECTION */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
/* SFX7101_XGXS_TEST1 */
bnx2x_cl45_write(bp, phy,
MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
}
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u16 fw_ver1, fw_ver2, val;
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
bnx2x_ext_phy_hw_reset(bp, params->port);
bnx2x_wait_reset_complete(bp, phy, params);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
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);
/* Save spirom version */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
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;
}
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 link_up;
u16 val1, val2;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
val2, val1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
val2, val1);
link_up = ((val1 & 4) == 4);
/* if link is up print the AN outcome of the SFX7101 PHY */
if (link_up) {
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
&val2);
vars->line_speed = SPEED_10000;
vars->duplex = DUPLEX_FULL;
DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
val2, (val2 & (1<<14)));
bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
bnx2x_ext_phy_resolve_fc(phy, params, vars);
}
return link_up;
}
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
{
if (*len < 5)
return -EINVAL;
str[0] = (spirom_ver & 0xFF);
str[1] = (spirom_ver & 0xFF00) >> 8;
str[2] = (spirom_ver & 0xFF0000) >> 16;
str[3] = (spirom_ver & 0xFF000000) >> 24;
str[4] = '\0';
*len -= 5;
return 0;
}
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
{
u16 val, cnt;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_7101_RESET, &val);
for (cnt = 0; cnt < 10; cnt++) {
msleep(50);
/* Writes a self-clearing reset */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_7101_RESET,
(val | (1<<15)));
/* Wait for clear */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_7101_RESET, &val);
if ((val & (1<<15)) == 0)
break;
}
}
static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
struct link_params *params) {
/* Low power mode is controlled by GPIO 2 */
bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
/* The PHY reset is controlled by GPIO 1 */
bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
}
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);
}
/******************************************************************/
/* STATIC PHY DECLARATION */
/******************************************************************/
static struct bnx2x_phy phy_null = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
.addr = 0,
.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 = 0,
.media_type = ETH_PHY_NOT_PRESENT,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)NULL,
.read_status = (read_status_t)NULL,
.link_reset = (link_reset_t)NULL,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)NULL,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_serdes = {
.type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
.addr = 0xff,
.def_md_devad = 0,
.flags = 0,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_2500baseX_Full |
SUPPORTED_TP |
SUPPORTED_Autoneg |
SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.media_type = ETH_PHY_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_xgxs_config_init,
.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,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_xgxs = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
.addr = 0xff,
.def_md_devad = 0,
.flags = 0,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_2500baseX_Full |
SUPPORTED_10000baseT_Full |
SUPPORTED_FIBRE |
SUPPORTED_Autoneg |
SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.media_type = ETH_PHY_CX4,
.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_xgxs_config_init,
.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,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_warpcore = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
.addr = 0xff,
.def_md_devad = 0,
.flags = (FLAGS_HW_LOCK_REQUIRED |
FLAGS_TX_ERROR_CHECK),
.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,
.hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_7101 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
.addr = 0xff,
.def_md_devad = 0,
.flags = FLAGS_FAN_FAILURE_DET_REQ,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_10000baseT_Full |
SUPPORTED_TP |
SUPPORTED_Autoneg |
SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.media_type = ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)bnx2x_7101_config_init,
.read_status = (read_status_t)bnx2x_7101_read_status,
.link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
.format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
.hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
.set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_8073 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
.addr = 0xff,
.def_md_devad = 0,
.flags = FLAGS_HW_LOCK_REQUIRED,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_10000baseT_Full |
SUPPORTED_2500baseX_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_FIBRE |
SUPPORTED_Autoneg |
SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.media_type = ETH_PHY_KR,
.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_8073_config_init,
.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,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_8705 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
.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_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,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_8706 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
.addr = 0xff,
.def_md_devad = 0,
.flags = (FLAGS_INIT_XGXS_FIRST |
FLAGS_TX_ERROR_CHECK),
.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,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_8726 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
.addr = 0xff,
.def_md_devad = 0,
.flags = (FLAGS_HW_LOCK_REQUIRED |
FLAGS_INIT_XGXS_FIRST |
FLAGS_TX_ERROR_CHECK),
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_10000baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_Autoneg |
SUPPORTED_FIBRE |
SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.media_type = ETH_PHY_NOT_PRESENT,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)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,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_8727 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
.addr = 0xff,
.def_md_devad = 0,
.flags = (FLAGS_FAN_FAILURE_DET_REQ |
FLAGS_TX_ERROR_CHECK),
.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_NOT_PRESENT,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)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,
.set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
};
static struct bnx2x_phy phy_8481 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
.addr = 0xff,
.def_md_devad = 0,
.flags = FLAGS_FAN_FAILURE_DET_REQ |
FLAGS_REARM_LATCH_SIGNAL,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_10000baseT_Full |
SUPPORTED_TP |
SUPPORTED_Autoneg |
SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.media_type = ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)bnx2x_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,
.set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_84823 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
.addr = 0xff,
.def_md_devad = 0,
.flags = FLAGS_FAN_FAILURE_DET_REQ |
FLAGS_REARM_LATCH_SIGNAL,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_10000baseT_Full |
SUPPORTED_TP |
SUPPORTED_Autoneg |
SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.media_type = ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)bnx2x_848x3_config_init,
.read_status = (read_status_t)bnx2x_848xx_read_status,
.link_reset = (link_reset_t)bnx2x_848x3_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_84833 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
.addr = 0xff,
.def_md_devad = 0,
.flags = FLAGS_FAN_FAILURE_DET_REQ |
FLAGS_REARM_LATCH_SIGNAL,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (SUPPORTED_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)bnx2x_84833_hw_reset_phy,
.set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
.phy_specific_func = (phy_specific_func_t)NULL
};
static struct bnx2x_phy phy_54618se = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
.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,
.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,
.format_fw_ver = (format_fw_ver_t)NULL,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
.phy_specific_func = (phy_specific_func_t)NULL
};
/*****************************************************************/
/* */
/* Populate the phy according. Main function: bnx2x_populate_phy */
/* */
/*****************************************************************/
static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
struct bnx2x_phy *phy, u8 port,
u8 phy_index)
{
/* Get the 4 lanes xgxs config rx and tx */
u32 rx = 0, tx = 0, i;
for (i = 0; i < 2; i++) {
/*
* INT_PHY and EXT_PHY1 share the same value location in the
* shmem. When num_phys is greater than 1, than this value
* applies only to EXT_PHY1
*/
if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
rx = REG_RD(bp, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
tx = REG_RD(bp, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
} else {
rx = REG_RD(bp, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
tx = REG_RD(bp, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
}
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;
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;
default:
DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
return -EINVAL;
}
return ext_phy_config;
}
static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
struct bnx2x_phy *phy)
{
u32 phy_addr;
u32 chip_id;
u32 switch_cfg = (REG_RD(bp, shmem_base +
offsetof(struct shmem_region,
dev_info.port_feature_config[port].link_config)) &
PORT_FEATURE_CONNECTED_SWITCH_MASK);
chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
if (USES_WARPCORE(bp)) {
u32 serdes_net_if;
phy_addr = REG_RD(bp,
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;
else
phy->flags |= FLAGS_MDC_MDIO_WA_B0;
} 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;
}
}
phy->addr = (u8)phy_addr;
phy->mdio_ctrl = bnx2x_get_emac_base(bp,
SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
port);
if (CHIP_IS_E2(bp))
phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
else
phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
port, phy->addr, phy->mdio_ctrl);
bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
return 0;
}
static int bnx2x_populate_ext_phy(struct bnx2x *bp,
u8 phy_index,
u32 shmem_base,
u32 shmem2_base,
u8 port,
struct bnx2x_phy *phy)
{
u32 ext_phy_config, phy_type, config2;
u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
phy_index, port);
phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
/* Select the phy type */
switch (phy_type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
*phy = phy_8073;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
*phy = phy_8705;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
*phy = phy_8706;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
*phy = phy_8726;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
/* BCM8727_NOC => BCM8727 no over current */
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
*phy = phy_8727;
phy->flags |= FLAGS_NOC;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
*phy = phy_8727;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
*phy = phy_8481;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
*phy = phy_84823;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
*phy = phy_84833;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
*phy = phy_54618se;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
*phy = phy_7101;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
*phy = phy_null;
return -EINVAL;
default:
*phy = phy_null;
return 0;
}
phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
/*
* The shmem address of the phy version is located on different
* structures. In case this structure is too old, do not set
* the address
*/
config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
dev_info.shared_hw_config.config2));
if (phy_index == EXT_PHY1) {
phy->ver_addr = shmem_base + offsetof(struct shmem_region,
port_mb[port].ext_phy_fw_version);
/* 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;
} else {
u32 size = REG_RD(bp, shmem2_base);
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);
}
phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
/*
* In case mdc/mdio_access of the external phy is different than the
* mdc/mdio access of the XGXS, a HW lock must be taken in each access
* to prevent one port interfere with another port's CL45 operations.
*/
if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
phy->flags |= FLAGS_HW_LOCK_REQUIRED;
DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
phy_type, port, phy_index);
DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
phy->addr, phy->mdio_ctrl);
return 0;
}
static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
{
int status = 0;
phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
if (phy_index == INT_PHY)
return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
port, phy);
return status;
}
static void bnx2x_phy_def_cfg(struct link_params *params,
struct bnx2x_phy *phy,
u8 phy_index)
{
struct bnx2x *bp = params->bp;
u32 link_config;
/* Populate the default phy configuration for MF mode */
if (phy_index == EXT_PHY2) {
link_config = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].link_config2));
phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region,
dev_info.
port_hw_config[params->port].speed_capability_mask2));
} else {
link_config = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].link_config));
phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region,
dev_info.
port_hw_config[params->port].speed_capability_mask));
}
DP(NETIF_MSG_LINK,
"Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
phy_index, link_config, phy->speed_cap_mask);
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;
}
}
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;
}
int bnx2x_phy_probe(struct link_params *params)
{
u8 phy_index, actual_phy_idx, link_cfg_idx;
u32 phy_config_swapped, sync_offset, media_types;
struct bnx2x *bp = params->bp;
struct bnx2x_phy *phy;
params->num_phys = 0;
DP(NETIF_MSG_LINK, "Begin phy probe\n");
phy_config_swapped = params->multi_phy_config &
PORT_HW_CFG_PHY_SWAPPED_ENABLED;
for (phy_index = INT_PHY; phy_index < MAX_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;
}
DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
" actual_phy_idx %x\n", phy_config_swapped,
phy_index, actual_phy_idx);
phy = &params->phy[actual_phy_idx];
if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
params->shmem2_base, params->port,
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;
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);
bnx2x_phy_def_cfg(params, phy, phy_index);
params->num_phys++;
}
DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
return 0;
}
void bnx2x_init_bmac_loopback(struct link_params *params,
struct link_vars *vars)
{
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;
vars->phy_flags = PHY_XGXS_FLAG;
bnx2x_xgxs_deassert(params);
/* set bmac loopback */
bnx2x_bmac_enable(params, vars, 1);
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}
void bnx2x_init_emac_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_EMAC;
vars->phy_flags = PHY_XGXS_FLAG;
bnx2x_xgxs_deassert(params);
/* set bmac loopback */
bnx2x_emac_enable(params, vars, 1);
bnx2x_emac_program(params, vars);
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}
void bnx2x_init_xmac_loopback(struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
vars->link_up = 1;
if (!params->req_line_speed[0])
vars->line_speed = SPEED_10000;
else
vars->line_speed = params->req_line_speed[0];
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
vars->mac_type = MAC_TYPE_XMAC;
vars->phy_flags = PHY_XGXS_FLAG;
/*
* Set WC to loopback mode since link is required to provide clock
* to the XMAC in 20G mode
*/
bnx2x_set_aer_mmd(params, &params->phy[0]);
bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
params->phy[INT_PHY].config_loopback(
&params->phy[INT_PHY],
params);
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);
}
void bnx2x_init_xgxs_loopback(struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
vars->link_up = 1;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
vars->duplex = DUPLEX_FULL;
if (params->req_line_speed[0] == SPEED_1000)
vars->line_speed = SPEED_1000;
else
vars->line_speed = SPEED_10000;
if (!USES_WARPCORE(bp))
bnx2x_xgxs_deassert(params);
bnx2x_link_initialize(params, vars);
if (params->req_line_speed[0] == SPEED_1000) {
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);
}
if (params->loopback_mode == LOOPBACK_XGXS) {
/* set 10G XGXS loopback */
params->phy[INT_PHY].config_loopback(
&params->phy[INT_PHY],
params);
} else {
/* set external phy loopback */
u8 phy_index;
for (phy_index = EXT_PHY1;
phy_index < params->num_phys; phy_index++) {
if (params->phy[phy_index].config_loopback)
params->phy[phy_index].config_loopback(
&params->phy[phy_index],
params);
}
}
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
}
int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "Phy Initialization started\n");
DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
params->req_line_speed[0], params->req_flow_ctrl[0]);
DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
params->req_line_speed[1], params->req_flow_ctrl[1]);
vars->link_status = 0;
vars->phy_link_up = 0;
vars->link_up = 0;
vars->line_speed = 0;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
vars->mac_type = MAC_TYPE_NONE;
vars->phy_flags = 0;
/* disable attentions */
bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
(NIG_MASK_XGXS0_LINK_STATUS |
NIG_MASK_XGXS0_LINK10G |
NIG_MASK_SERDES0_LINK_STATUS |
NIG_MASK_MI_INT));
bnx2x_emac_init(params, vars);
if (params->num_phys == 0) {
DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
return -EINVAL;
}
set_phy_vars(params, vars);
DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
switch (params->loopback_mode) {
case LOOPBACK_BMAC:
bnx2x_init_bmac_loopback(params, vars);
break;
case LOOPBACK_EMAC:
bnx2x_init_emac_loopback(params, vars);
break;
case LOOPBACK_XMAC:
bnx2x_init_xmac_loopback(params, vars);
break;
case LOOPBACK_UMAC:
bnx2x_init_umac_loopback(params, vars);
break;
case LOOPBACK_XGXS:
case LOOPBACK_EXT_PHY:
bnx2x_init_xgxs_loopback(params, vars);
break;
default:
if (!CHIP_IS_E3(bp)) {
if (params->switch_cfg == SWITCH_CFG_10G)
bnx2x_xgxs_deassert(params);
else
bnx2x_serdes_deassert(bp, params->port);
}
bnx2x_link_initialize(params, vars);
msleep(30);
bnx2x_link_int_enable(params);
break;
}
return 0;
}
int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
u8 reset_ext_phy)
{
struct bnx2x *bp = params->bp;
u8 phy_index, port = params->port, clear_latch_ind = 0;
DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
/* disable attentions */
vars->link_status = 0;
bnx2x_update_mng(params, vars->link_status);
bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
(NIG_MASK_XGXS0_LINK_STATUS |
NIG_MASK_XGXS0_LINK10G |
NIG_MASK_SERDES0_LINK_STATUS |
NIG_MASK_MI_INT));
/* activate nig drain */
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
/* disable nig egress interface */
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);
}
/* Stop BigMac rx */
if (!CHIP_IS_E3(bp))
bnx2x_bmac_rx_disable(bp, port);
else
bnx2x_xmac_disable(params);
/* disable emac */
if (!CHIP_IS_E3(bp))
REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
msleep(10);
/* The PHY reset is controlled by GPIO 1
* Hold it as vars low
*/
/* clear link led */
bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
if (reset_ext_phy) {
bnx2x_set_mdio_clk(bp, params->chip_id, port);
for (phy_index = EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
if (params->phy[phy_index].link_reset) {
bnx2x_set_aer_mmd(params,
&params->phy[phy_index]);
params->phy[phy_index].link_reset(
&params->phy[phy_index],
params);
}
if (params->phy[phy_index].flags &
FLAGS_REARM_LATCH_SIGNAL)
clear_latch_ind = 1;
}
}
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);
}
if (params->phy[INT_PHY].link_reset)
params->phy[INT_PHY].link_reset(
&params->phy[INT_PHY], params);
/* reset BigMac */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
/* disable nig ingress interface */
if (!CHIP_IS_E3(bp)) {
REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
}
vars->link_up = 0;
vars->phy_flags = 0;
return 0;
}
/****************************************************************************/
/* Common function */
/****************************************************************************/
static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
u32 shmem_base_path[],
u32 shmem2_base_path[], u8 phy_index,
u32 chip_id)
{
struct bnx2x_phy phy[PORT_MAX];
struct bnx2x_phy *phy_blk[PORT_MAX];
u16 val;
s8 port = 0;
s8 port_of_path = 0;
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);
/* PART1 - Reset both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
u32 shmem_base, shmem2_base;
/* In E2, same phy is using for port0 of the two paths */
if (CHIP_IS_E1x(bp)) {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
port_of_path = port;
} else {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
port_of_path = 0;
}
/* Extract the ext phy address for the port */
if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
port_of_path, &phy[port]) !=
0) {
DP(NETIF_MSG_LINK, "populate_phy failed\n");
return -EINVAL;
}
/* disable attentions */
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));
/* Need to take the phy out of low power mode in order
to write to access its registers */
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
port);
/* Reset the phy */
bnx2x_cl45_write(bp, &phy[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL,
1<<15);
}
/* Add delay of 150ms after reset */
msleep(150);
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]);
}
/* PART2 - Download firmware to both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
if (CHIP_IS_E1x(bp))
port_of_path = port;
else
port_of_path = 0;
DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path))
return -EINVAL;
/* Only set bit 10 = 1 (Tx power down) */
bnx2x_cl45_read(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN, &val);
/* Phase1 of TX_POWER_DOWN reset */
bnx2x_cl45_write(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN,
(val | 1<<10));
}
/*
* Toggle Transmitter: Power down and then up with 600ms delay
* between
*/
msleep(600);
/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
/* Phase2 of POWER_DOWN_RESET */
/* Release bit 10 (Release Tx power down) */
bnx2x_cl45_read(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN, &val);
bnx2x_cl45_write(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
msleep(15);
/* Read modify write the SPI-ROM version select register */
bnx2x_cl45_read(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_EDC_FFE_MAIN, &val);
bnx2x_cl45_write(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
/* set GPIO2 back to LOW */
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
}
return 0;
}
static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
u32 shmem_base_path[],
u32 shmem2_base_path[], u8 phy_index,
u32 chip_id)
{
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);
bnx2x_ext_phy_hw_reset(bp, 0);
msleep(5);
for (port = 0; port < PORT_MAX; port++) {
u32 shmem_base, shmem2_base;
/* In E2, same phy is using for port0 of the two paths */
if (CHIP_IS_E1x(bp)) {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
} else {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
}
/* Extract the ext phy address for the port */
if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
port, &phy) !=
0) {
DP(NETIF_MSG_LINK, "populate phy failed\n");
return -EINVAL;
}
/* Reset phy*/
bnx2x_cl45_write(bp, &phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
/* Set fault module detected LED on */
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
MISC_REGISTERS_GPIO_HIGH,
port);
}
return 0;
}
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;
}
}
static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
u32 shmem_base_path[],
u32 shmem2_base_path[], u8 phy_index,
u32 chip_id)
{
s8 port, reset_gpio;
u32 swap_val, swap_override;
struct bnx2x_phy phy[PORT_MAX];
struct bnx2x_phy *phy_blk[PORT_MAX];
s8 port_of_path;
swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
reset_gpio = MISC_REGISTERS_GPIO_1;
port = 1;
/*
* 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);
/* Calculate the port based on port swap */
port ^= (swap_val && swap_override);
/* 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);
msleep(5);
/* PART1 - Reset both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
u32 shmem_base, shmem2_base;
/* In E2, same phy is using for port0 of the two paths */
if (CHIP_IS_E1x(bp)) {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
port_of_path = port;
} else {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
port_of_path = 0;
}
/* Extract the ext phy address for the port */
if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
port_of_path, &phy[port]) !=
0) {
DP(NETIF_MSG_LINK, "populate phy failed\n");
return -EINVAL;
}
/* disable attentions */
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));
/* Reset the phy */
bnx2x_cl45_write(bp, &phy[port],
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
}
/* Add delay of 150ms after reset */
msleep(150);
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]);
}
/* PART2 - Download firmware to both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
if (CHIP_IS_E1x(bp))
port_of_path = port;
else
port_of_path = 0;
DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path))
return -EINVAL;
/* Disable PHY transmitter output */
bnx2x_cl45_write(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_DISABLE, 1);
}
return 0;
}
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)
{
int rc = 0;
switch (ext_phy_type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
/*
* GPIO1 affects both ports, so there's need to pull
* it for single port alone
*/
rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
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.
*/
rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
rc = -EINVAL;
break;
default:
DP(NETIF_MSG_LINK,
"ext_phy 0x%x common init not required\n",
ext_phy_type);
break;
}
if (rc != 0)
netdev_err(bp->dev, "Warning: PHY was not initialized,"
" Port %d\n",
0);
return rc;
}
int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
u32 shmem2_base_path[], u32 chip_id)
{
int rc = 0;
u32 phy_ver, val;
u8 phy_index = 0;
u32 ext_phy_type, ext_phy_config;
bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
DP(NETIF_MSG_LINK, "Begin common phy init\n");
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);
}
/* 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;
}
/* 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,
shmem_base_path[0],
phy_index, 0);
ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
shmem2_base_path,
phy_index, ext_phy_type,
chip_id);
}
return rc;
}
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) {
DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
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 {
DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
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);
}
/******************************************************************************
* 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.
*
******************************************************************************/
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;
if (CHIP_IS_E3(bp) &&
(REG_RD(bp, MISC_REG_RESET_REG_2) &
(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)) {
/* 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;
u16 phy_idx;
if (!params) {
DP(NETIF_MSG_LINK, "Uninitialized params !\n");
return;
}
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;
}
}
if (CHIP_IS_E3(bp))
bnx2x_check_over_curr(params, vars);
}
u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
{
u8 phy_index;
struct bnx2x_phy phy;
for (phy_index = INT_PHY; phy_index < MAX_PHYS;
phy_index++) {
if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
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,
u32 shmem2_base,
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++) {
if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
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;
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;
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;
}
}
}
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;
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 {
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);
}
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