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kernel_optimize_test/drivers/net/bnx2x/bnx2x_link.c
Dan Carpenter 4b97f8e108 bnx2x: remove bogus check 
We dereferenced params on the line before so it's too late to check if
params is NULL.  In fact, params can never be NULL and strict_cos is
either 0 or 1 so that part of the check is bogus too.  Let's remove it.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-21 10:51:45 -08:00

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/* Copyright 2008-2009 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"
/********************************************************/
#define ETH_HLEN 14
#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)/* 16 for CRC + VLAN + LLC */
#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
/***********************************************************/
/* 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_12G_HIG \
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
#define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
#define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
#define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
#define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
#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 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_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
#define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
#define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
#define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
#define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
#define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
#define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
#define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
#define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
#define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
#define PHY_XGXS_FLAG 0x1
#define PHY_SGMII_FLAG 0x2
#define PHY_SERDES_FLAG 0x4
/* */
#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
#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
/**********************************************************/
/* INTERFACE */
/**********************************************************/
#define CL45_WR_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
bnx2x_cl45_write(_bp, _phy, \
(_phy)->def_md_devad, \
(_bank + (_addr & 0xf)), \
_val)
#define CL45_RD_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
bnx2x_cl45_read(_bp, _phy, \
(_phy)->def_md_devad, \
(_bank + (_addr & 0xf)), \
_val)
static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
u8 devad, u16 reg, u16 *ret_val);
static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
u8 devad, u16 reg, u16 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;
}
/******************************************************************/
/* ETS section */
/******************************************************************/
void bnx2x_ets_disabled(struct link_params *params)
{
/* ETS disabled configuration*/
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
/**
* 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);
}
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,
"bnx2x_ets_bw_limit: 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);
}
u8 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;
}
/******************************************************************/
/* ETS section */
/******************************************************************/
static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
u32 pfc_frames_sent[2],
u32 pfc_frames_received[2])
{
/* Read pfc statistic */
struct bnx2x *bp = params->bp;
u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
pfc_frames_sent, 2);
REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
pfc_frames_received, 2);
}
static void bnx2x_emac_get_pfc_stat(struct link_params *params,
u32 pfc_frames_sent[2],
u32 pfc_frames_received[2])
{
/* Read pfc statistic */
struct bnx2x *bp = params->bp;
u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
u32 val_xon = 0;
u32 val_xoff = 0;
DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
/* PFC received frames */
val_xoff = REG_RD(bp, emac_base +
EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
pfc_frames_received[0] = val_xon + val_xoff;
/* PFC received sent */
val_xoff = REG_RD(bp, emac_base +
EMAC_REG_RX_PFC_STATS_XOFF_SENT);
val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
pfc_frames_sent[0] = val_xon + val_xoff;
}
void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
u32 pfc_frames_sent[2],
u32 pfc_frames_received[2])
{
/* Read pfc statistic */
struct bnx2x *bp = params->bp;
u32 val = 0;
DP(NETIF_MSG_LINK, "pfc statistic\n");
if (!vars->link_up)
return;
val = REG_RD(bp, MISC_REG_RESET_REG_2);
if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
== 0) {
DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
pfc_frames_received);
} else {
DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
pfc_frames_received);
}
}
/******************************************************************/
/* MAC/PBF section */
/******************************************************************/
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);
/* 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 u8 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");
/* enable emac and not bmac */
REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
/* for paladium */
if (CHIP_REV_IS_EMUL(bp)) {
/* Use lane 1 (of lanes 0-3) */
REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
port*4, 1);
}
/* for fpga */
else
if (CHIP_REV_IS_FPGA(bp)) {
/* Use lane 1 (of lanes 0-3) */
DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");
REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4,
0);
} else
/* 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);
if (CHIP_REV_IS_EMUL(bp)) {
/* take the BigMac out of reset */
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);
} else
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);
}
static void 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;
int set_pfc = params->feature_config_flags &
FEATURE_CONFIG_PFC_ENABLED;
/* default - pause configuration */
u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
if (set_pfc && pfc_params)
/* First COS */
if (!pfc_params->cos0_pauseable) {
pause_xoff_th =
PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
pause_xon_th =
PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
full_xoff_th =
PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
full_xon_th =
PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
}
/* The number of free blocks below which the pause signal to class 0
of MAC #n is asserted. n=0,1 */
REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
/* 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, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
/* The number of free blocks below which the full signal to class 0
of MAC #n is asserted. n=0,1 */
REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
/* 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, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
if (set_pfc && pfc_params) {
/* Second COS */
if (pfc_params->cos1_pauseable) {
pause_xoff_th =
PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
pause_xon_th =
PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
full_xoff_th =
PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
full_xon_th =
PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
} else {
pause_xoff_th =
PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
pause_xon_th =
PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
full_xoff_th =
PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
full_xon_th =
PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
}
/**
* The number of free blocks below which the pause signal to
* class 1 of MAC #n is asserted. n=0,1
**/
REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
/**
* 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, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
/**
* The number of free blocks below which the full signal to
* class 1 of MAC #n is asserted. n=0,1
**/
REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
/**
* 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, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
}
}
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;
u32 val;
struct bnx2x *bp = params->bp;
int 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;
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;
}
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);
/* 0x2 = BMAC, 0x1= EMAC */
switch (vars->mac_type) {
case MAC_TYPE_EMAC:
val = 1;
break;
case MAC_TYPE_BMAC:
val = 0;
break;
default:
val = 0;
break;
}
REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
if (nig_params) {
pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
NIG_REG_P0_RX_COS0_PRIORITY_MASK,
nig_params->rx_cos0_priority_mask);
REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
NIG_REG_P0_RX_COS1_PRIORITY_MASK,
nig_params->rx_cos1_priority_mask);
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);
}
void 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;
/* update NIG params */
bnx2x_update_pfc_nig(params, vars, pfc_params);
/* update BRB params */
bnx2x_update_pfc_brb(params, vars, pfc_params);
if (!vars->link_up)
return;
val = REG_RD(bp, MISC_REG_RESET_REG_2);
if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
== 0) {
DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
bnx2x_emac_enable(params, vars, 0);
return;
}
DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
if (CHIP_IS_E2(bp))
bnx2x_update_pfc_bmac2(params, vars, 0);
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);
}
static u8 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);
/* fix for emulation */
if (CHIP_REV_IS_EMUL(bp)) {
wb_data[0] = 0xf000;
wb_data[1] = 0;
REG_WR_DMAE(bp,
bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
wb_data, 2);
}
return 0;
}
static u8 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 u8 bnx2x_bmac_enable(struct link_params *params,
struct link_vars *vars,
u8 is_lb)
{
u8 rc, 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_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_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 u8 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;
case SPEED_12000:
init_crd = thresh + 664 - 22;
break;
case SPEED_13000:
init_crd = thresh + 742 - 22;
break;
case SPEED_16000:
init_crd = thresh + 778 - 22;
break;
default:
DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
line_speed);
return -EINVAL;
}
}
REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
line_speed, init_crd);
/* probe the credit changes */
REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
msleep(5);
REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
/* enable port */
REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
return 0;
}
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;
}
u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
u8 devad, u16 reg, u16 val)
{
u32 tmp, saved_mode;
u8 i, rc = 0;
/* 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
*/
saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
EMAC_MDIO_MODE_CLOCK_CNT);
tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
(49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
udelay(40);
/* 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");
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");
rc = -EFAULT;
}
}
/* Restore the saved mode */
REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
return rc;
}
u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
u8 devad, u16 reg, u16 *ret_val)
{
u32 val, saved_mode;
u16 i;
u8 rc = 0;
/* 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
*/
saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
EMAC_MDIO_MODE_CLOCK_CNT));
val |= (EMAC_MDIO_MODE_CLAUSE_45 |
(49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
udelay(40);
/* 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");
*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");
*ret_val = 0;
rc = -EFAULT;
}
}
/* Restore the saved mode */
REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
return rc;
}
u8 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;
}
u8 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 void bnx2x_set_aer_mmd_xgxs(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->addr + ser_lane;
if (CHIP_IS_E2(bp))
aer_val = 0x2800 + offset - 1;
else
aer_val = 0x3800 + offset;
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, aer_val);
}
static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
struct bnx2x_phy *phy)
{
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0x3800);
}
/******************************************************************/
/* 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);
}
void bnx2x_link_status_update(struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 link_10g;
u8 port = params->port;
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);
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_12GTFD:
vars->line_speed = SPEED_12000;
break;
case LINK_12_5GTFD:
vars->line_speed = SPEED_12500;
break;
case LINK_13GTFD:
vars->line_speed = SPEED_13000;
break;
case LINK_15GTFD:
vars->line_speed = SPEED_15000;
break;
case LINK_16GTFD:
vars->line_speed = SPEED_16000;
break;
default:
break;
}
vars->flow_ctrl = 0;
if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
if (!vars->flow_ctrl)
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
if (vars->line_speed &&
((vars->line_speed == SPEED_10) ||
(vars->line_speed == SPEED_100))) {
vars->phy_flags |= PHY_SGMII_FLAG;
} else {
vars->phy_flags &= ~PHY_SGMII_FLAG;
}
/* anything 10 and over uses the bmac */
link_10g = ((vars->line_speed == SPEED_10000) ||
(vars->line_speed == SPEED_12000) ||
(vars->line_speed == SPEED_12500) ||
(vars->line_speed == SPEED_13000) ||
(vars->line_speed == SPEED_15000) ||
(vars->line_speed == SPEED_16000));
if (link_10g)
vars->mac_type = MAC_TYPE_BMAC;
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;
}
DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
vars->link_status, vars->phy_link_up);
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 */
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
&new_master_ln);
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2 ,
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
(new_master_ln | ser_lane));
}
static u8 bnx2x_reset_unicore(struct link_params *params,
struct bnx2x_phy *phy,
u8 set_serdes)
{
struct bnx2x *bp = params->bp;
u16 mii_control;
u16 i;
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
/* reset the unicore */
CL45_WR_OVER_CL22(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 */
CL45_RD_OVER_CL22(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;
}
}
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) {
CL45_WR_OVER_CL22(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 {
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
}
if (tx_lane_swap != 0x1b) {
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TX_LN_SWAP,
(tx_lane_swap |
MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
} else {
CL45_WR_OVER_CL22(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;
CL45_RD_OVER_CL22(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);
CL45_WR_OVER_CL22(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");
CL45_WR_OVER_CL22(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);
CL45_RD_OVER_CL22(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;
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
control2);
/* Disable parallel detection of HiG */
CL45_WR_OVER_CL22(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 */
CL45_RD_OVER_CL22(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);
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
/* Enable/Disable Autodetection */
CL45_RD_OVER_CL22(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;
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
/* Enable TetonII and BAM autoneg */
CL45_RD_OVER_CL22(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);
}
CL45_WR_OVER_CL22(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 */
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_CL73_USERB0,
MDIO_CL73_USERB0_CL73_UCTRL,
0xe);
/* Enable BAM Station Manager*/
CL45_WR_OVER_CL22(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 */
CL45_RD_OVER_CL22(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;
CL45_WR_OVER_CL22(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;
CL45_WR_OVER_CL22(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*/
CL45_RD_OVER_CL22(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;
CL45_WR_OVER_CL22(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) */
CL45_RD_OVER_CL22(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;
if (vars->line_speed == SPEED_13000)
reg_val |=
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
}
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_MISC1, reg_val);
}
static void bnx2x_set_brcm_cl37_advertisment(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;
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_UP1, val);
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_UP3, 0x400);
}
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 bnx2x_set_ieee_aneg_advertisment(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 */
CL45_WR_OVER_CL22(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
CL45_RD_OVER_CL22(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);
CL45_WR_OVER_CL22(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) {
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
&mii_control);
CL45_WR_OVER_CL22(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 {
CL45_RD_OVER_CL22(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);
CL45_WR_OVER_CL22(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 */
CL45_RD_OVER_CL22(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);
CL45_WR_OVER_CL22(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;
CL45_RD_OVER_CL22(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;
CL45_WR_OVER_CL22(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 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_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;
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
&status2_1000x);
CL45_RD_OVER_CL22(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;
}
CL45_RD_OVER_CL22(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)) {
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV1,
&ld_pause);
CL45_RD_OVER_CL22(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 {
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
&ld_pause);
CL45_RD_OVER_CL22(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_recieved;
DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
/* Step 1: Make sure signal is detected */
CL45_RD_OVER_CL22(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);
CL45_WR_OVER_CL22(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 */
CL45_RD_OVER_CL22(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 */
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_REMOTE_PHY,
MDIO_REMOTE_PHY_MISC_RX_STATUS,
&cl37_fsm_recieved);
if ((cl37_fsm_recieved &
(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_recieved);
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 */
CL45_WR_OVER_CL22(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 u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 new_line_speed , gp_status;
u8 rc = 0;
/* Read gp_status */
CL45_RD_OVER_CL22(bp, phy,
MDIO_REG_BANK_GP_STATUS,
MDIO_GP_STATUS_TOP_AN_STATUS1,
&gp_status);
if (phy->req_line_speed == SPEED_AUTO_NEG)
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
gp_status);
vars->phy_link_up = 1;
vars->link_status |= LINK_STATUS_LINK_UP;
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
vars->duplex = DUPLEX_FULL;
else
vars->duplex = DUPLEX_HALF;
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);
}
switch (gp_status & GP_STATUS_SPEED_MASK) {
case GP_STATUS_10M:
new_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:
new_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:
new_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:
new_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",
gp_status);
return -EINVAL;
case GP_STATUS_10G_KX4:
case GP_STATUS_10G_HIG:
case GP_STATUS_10G_CX4:
new_line_speed = SPEED_10000;
vars->link_status |= LINK_10GTFD;
break;
case GP_STATUS_12G_HIG:
new_line_speed = SPEED_12000;
vars->link_status |= LINK_12GTFD;
break;
case GP_STATUS_12_5G:
new_line_speed = SPEED_12500;
vars->link_status |= LINK_12_5GTFD;
break;
case GP_STATUS_13G:
new_line_speed = SPEED_13000;
vars->link_status |= LINK_13GTFD;
break;
case GP_STATUS_15G:
new_line_speed = SPEED_15000;
vars->link_status |= LINK_15GTFD;
break;
case GP_STATUS_16G:
new_line_speed = SPEED_16000;
vars->link_status |= LINK_16GTFD;
break;
default:
DP(NETIF_MSG_LINK,
"link speed unsupported gp_status 0x%x\n",
gp_status);
return -EINVAL;
}
vars->line_speed = new_line_speed;
} 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;
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, "gp_status 0x%x phy_link_up %x line_speed %x\n",
gp_status, vars->phy_link_up, vars->line_speed);
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 */
CL45_RD_OVER_CL22(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)) {
CL45_RD_OVER_CL22(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;
CL45_WR_OVER_CL22(bp, phy,
bank,
MDIO_TX0_TX_DRIVER, tx_driver);
}
}
}
static u8 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++) {
CL45_WR_OVER_CL22(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++) {
CL45_WR_OVER_CL22(bp, phy,
bank,
MDIO_TX0_TX_DRIVER,
phy->tx_preemphasis[i]);
}
}
static void bnx2x_init_internal_phy(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_advertisment(phy, params);
/* program duplex & pause advertisement (for aneg) */
bnx2x_set_ieee_aneg_advertisment(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 u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u8 rc;
vars->phy_flags |= PHY_SGMII_FLAG;
bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
bnx2x_set_aer_mmd_serdes(params->bp, phy);
rc = bnx2x_reset_unicore(params, phy, 1);
/* reset the SerDes and wait for reset bit return low */
if (rc != 0)
return rc;
bnx2x_set_aer_mmd_serdes(params->bp, phy);
return rc;
}
static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u8 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)
))
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_xgxs(params, phy);
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_xgxs(params, phy);
/* setting the masterLn_def again after the reset */
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)
{
u16 cnt, ctrl;
/* Wait for soft reset to get cleared upto 1 sec */
for (cnt = 0; cnt < 1000; cnt++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
if (!(ctrl & (1<<15)))
break;
msleep(1);
}
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 (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)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
/* 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 (is_10g) {
/* Disable the 10G link interrupt
* by writing 1 to the status register
*/
DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
bnx2x_bits_en(bp,
NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
NIG_STATUS_XGXS0_LINK10G);
} 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);
DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
vars->line_speed);
bnx2x_bits_en(bp,
NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
((1 << ser_lane) <<
NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
} else { /* SerDes */
DP(NETIF_MSG_LINK, "SerDes phy link up\n");
/* Disable the link interrupt
* by writing 1 to the status register
*/
bnx2x_bits_en(bp,
NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
NIG_STATUS_SERDES0_LINK_STATUS);
}
}
}
static u8 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 u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
{
str[0] = '\0';
(*len)--;
return 0;
}
u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
u8 *version, u16 len)
{
struct bnx2x *bp;
u32 spirom_ver = 0;
u8 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;
DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
/* 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_xgxs(params, phy);
/* 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);
}
}
u8 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;
u8 rc = 0, 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 (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_MODE_P0 + port*4, 0);
REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
} 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
*/
u8 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;
CL45_RD_OVER_CL22(bp, &params->phy[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;
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));
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 u8 bnx2x_link_initialize(struct link_params *params,
struct link_vars *vars)
{
u8 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 (params->phy[INT_PHY].config_init)
params->phy[INT_PHY].config_init(
&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)
bnx2x_set_parallel_detection(phy, params);
bnx2x_init_internal_phy(phy, params, vars);
}
/* Init external phy*/
if (!non_ext_phy)
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 (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));
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 u8 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);
/* indicate no mac active */
vars->mac_type = MAC_TYPE_NONE;
/* update shared memory */
vars->link_status = 0;
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 */
REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
msleep(10);
/* reset BigMac */
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));
return 0;
}
static u8 bnx2x_update_link_up(struct link_params *params,
struct link_vars *vars,
u8 link_10g)
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
u8 rc = 0;
vars->link_status |= LINK_STATUS_LINK_UP;
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 (link_10g) {
bnx2x_bmac_enable(params, vars, 0);
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_E2(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.
*/
u8 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, phy_index;
u8 ext_phy_link_up = 0, cur_link_up, 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->link_status = 0;
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;
}
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 */
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 the 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;
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 = ((vars->line_speed == SPEED_10000) ||
(vars->line_speed == SPEED_12000) ||
(vars->line_speed == SPEED_12500) ||
(vars->line_speed == SPEED_13000) ||
(vars->line_speed == SPEED_15000) ||
(vars->line_speed == SPEED_16000));
bnx2x_link_int_ack(params, vars, link_10g);
/**
* 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;
bnx2x_init_internal_phy(&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
*/
vars->link_up = (vars->phy_link_up &&
(ext_phy_link_up ||
SINGLE_MEDIA_DIRECT(params)));
if (vars->link_up)
rc = bnx2x_update_link_up(params, vars, link_10g);
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_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 u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u16 ld_pause; /* local */
u16 lp_pause; /* link partner */
u16 pause_result;
u8 ret = 0;
/* read twice */
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
vars->flow_ctrl = phy->req_flow_ctrl;
else if (phy->req_line_speed != SPEED_AUTO_NEG)
vars->flow_ctrl = params->req_fc_auto_adv;
else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
ret = 1;
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_ADV_PAUSE, &ld_pause);
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
pause_result = (ld_pause &
MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
pause_result |= (lp_pause &
MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
pause_result);
bnx2x_pause_resolve(vars, pause_result);
}
return ret;
}
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 void bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
struct bnx2x_phy *phy,
u8 port)
{
/* 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);
/* wait for 120ms for code download via SPI port */
msleep(120);
/* 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);
}
static void bnx2x_8073_set_xaui_low_power_mode(struct bnx2x *bp,
struct bnx2x_phy *phy)
{
u16 val;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, &val);
if (val == 0) {
/* Mustn't set low power mode in 8073 A0 */
return;
}
/* Disable PLL sequencer (use read-modify-write to clear bit 13) */
bnx2x_cl45_read(bp, phy,
MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
val &= ~(1<<13);
bnx2x_cl45_write(bp, phy,
MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
/* PLL controls */
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805E, 0x1077);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805D, 0x0000);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805C, 0x030B);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805B, 0x1240);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805A, 0x2490);
/* Tx Controls */
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A7, 0x0C74);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A6, 0x9041);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A5, 0x4640);
/* Rx Controls */
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FE, 0x01C4);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FD, 0x9249);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FC, 0x2015);
/* Enable PLL sequencer (use read-modify-write to set bit 13) */
bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
val |= (1<<13);
bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
}
/******************************************************************/
/* BCM8073 PHY SECTION */
/******************************************************************/
static u8 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 u8 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, "clc bit 15 went off\n");
/* If bit 15 is 0, then poll Dev1, Reg $C841 until
it's MSB (bit 15) 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 u8 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_REG_RX_ALARM_CTRL, (1<<2));
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
bnx2x_8073_set_pause_cl37(params, phy, vars);
bnx2x_8073_set_xaui_low_power_mode(bp, phy);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
/* 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 advertisment */
} 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 advertisment */
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*/
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_REG_LASI_STATUS, &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_REG_RX_ALARM, &val2);
DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
/* Check the link status */
bnx2x_cl45_read(bp, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
link_up = ((val1 & 4) == 4);
DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
if (link_up &&
((phy->req_line_speed != SPEED_10000))) {
if (bnx2x_8073_xaui_wa(bp, phy) != 0)
return 0;
}
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) {
bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
bnx2x_8073_resolve_fc(phy, params, vars);
}
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 u8 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);
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_sfp_set_transmitter(struct bnx2x *bp,
struct bnx2x_phy *phy,
u8 port,
u8 tx_en)
{
u16 val;
DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
tx_en, port);
/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
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);
}
static u8 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"
" 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 u8 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"
" 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 -EINVAL;
}
/* 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;
}
static u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
struct link_params *params, u16 addr,
u8 byte_cnt, u8 *o_buf)
{
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
byte_cnt, o_buf);
else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
byte_cnt, o_buf);
return -EINVAL;
}
static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
struct link_params *params,
u16 *edc_mode)
{
struct bnx2x *bp = params->bp;
u8 val, check_limiting_mode = 0;
*edc_mode = EDC_MODE_LIMITING;
/* 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;
/* 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:
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;
}
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 u8 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_info(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 u8 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 detemine 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 (!(phy->flags &
FLAGS_NOC) && 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 = ((!(is_power_up)) << 1);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_GPIO_CTRL,
val);
}
static u8 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 u8 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(bp, phy, params->port, 0);
break;
case ENABLE_TX:
if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
break;
default:
DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
action);
return;
}
}
static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
struct link_params *params)
{
struct bnx2x *bp = params->bp;
u16 edc_mode;
u8 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);
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_gpio(bp, MISC_REGISTERS_GPIO_0,
MISC_REGISTERS_GPIO_HIGH,
params->port);
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
/* Shutdown SFP+ module */
DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
bnx2x_8727_power_module(bp, phy, 0);
return rc;
}
} else {
/* Turn off fault module-detected led */
DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
MISC_REGISTERS_GPIO_LOW,
params->port);
}
/* power up the SFP module */
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
bnx2x_8727_power_module(bp, phy, 1);
/* Check and set limiting mode / LRM mode on 8726.
On 8727 it is done automatically */
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
else
bnx2x_8727_set_limiting_mode(bp, 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(bp, phy, params->port, 1);
else
bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
return rc;
}
void bnx2x_handle_module_detect_int(struct link_params *params)
{
struct bnx2x *bp = params->bp;
struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
u32 gpio_val;
u8 port = params->port;
/* Set valid module led off */
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
MISC_REGISTERS_GPIO_HIGH,
params->port);
/* Get current gpio val refelecting module plugged in / out*/
gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
/* Call the handling function in case module is detected */
if (gpio_val == 0) {
bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
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, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
port);
/* Module was plugged out. */
/* Disable transmit for this module */
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
}
}
/******************************************************************/
/* 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_REG_RX_ALARM, &val2);
/* clear LASI indication*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
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);
}
return link_up;
}
/******************************************************************/
/* BCM8706 PHY SECTION */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u16 cnt, val;
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);
/* 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_REG_LASI_CTRL, 1);
} else {
/* Force 1Gbps using autoneg with 1G advertisment */
/* 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 advertisment 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_REG_RX_ALARM_CTRL,
0x0400);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
0x0004);
}
bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
return 0;
}
static u8 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 u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u32 val;
u32 swap_val, swap_override, aeu_gpio_mask, offset;
DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
bnx2x_wait_reset_complete(bp, phy);
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_REG_LASI_CTRL, 0x5);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
0x400);
} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
/* Set Flow control */
bnx2x_ext_phy_set_pause(params, phy, vars);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
/* Enable RX-ALARM control to receive
interrupt for 1G speed change */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
0x400);
} else { /* Default 10G. Set only LASI control */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_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]);
}
/* Set GPIO3 to trigger SFP+ module insertion/removal */
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
/* The GPIO should be swapped if the swap register is set and active */
swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
/* Select function upon port-swap configuration */
if (params->port == 0) {
offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
aeu_gpio_mask = (swap_val && swap_override) ?
AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
} else {
offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
aeu_gpio_mask = (swap_val && swap_override) ?
AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
}
val = REG_RD(bp, offset);
/* add GPIO3 to group */
val |= aeu_gpio_mask;
REG_WR(bp, offset, val);
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 u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars)
{
u16 tmp1, val, mod_abs;
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);
rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
lasi_ctrl_val = 0x0004;
DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
/* enable LASI */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
rx_alarm_ctrl_val);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_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);
/* 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_REG_RX_ALARM, &tmp1);
/* Set option 1G speed */
if (phy->req_line_speed == SPEED_1000) {
DP(NETIF_MSG_LINK, "Setting 1G force\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
/**
* 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]);
}
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");
/* 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_REG_RX_ALARM, &rx_alarm_status);
} else {
/* Module is present */
DP(NETIF_MSG_LINK, "MOD_ABS indication "
"show module is present\n");
/* First thing, 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_REG_RX_ALARM, &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(bp, phy, params->port, 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;
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_REG_LASI_CTRL,
&lasi_ctrl);
if (!lasi_ctrl)
return 0;
/* Check the LASI */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
&rx_alarm_status);
vars->line_speed = 0;
DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
/* Clear MSG-OUT */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
/**
* 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) {
DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
" on port %d\n", params->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",
params->port);
/*
* Disable all RX_ALARMs except for
* mod_abs
*/
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
/* Wait for module_absent_event */
val1 |= (1<<8);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, val1);
/* Clear RX alarm */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
return 0;
}
} /* Over current check */
/* When module absent bit is set, check module */
if (rx_alarm_status & (1<<5)) {
bnx2x_8727_handle_mod_abs(phy, params);
/* Enable all mod_abs and link detection bits */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
((1<<5) | (1<<2)));
}
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;
} 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)
bnx2x_ext_phy_resolve_fc(phy, params, vars);
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;
/* Disable Transmitter */
bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
/* Clear LASI */
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_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;
struct bnx2x *bp = params->bp;
/* 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, params->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, params->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, params->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);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x0040);
/* 'Interrupt Mask' */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD,
0xFFFB, 0xFFFD);
}
static u8 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;
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 10 speed advertisement */
if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
(PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
an_10_100_val |= (1<<7);
/* Enable autoneg and restart autoneg for legacy speeds */
autoneg_val |= (1<<9 | 1<<12);
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_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
(1<<15 | 1<<9 | 7<<0));
DP(NETIF_MSG_LINK, "Setting 100M force\n");
}
if (phy->req_line_speed == SPEED_10) {
/* Enabled AUTO-MDIX when autoneg is disabled */
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
(1<<15 | 1<<9 | 7<<0));
DP(NETIF_MSG_LINK, "Setting 10M force\n");
}
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);
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 if (phy->req_line_speed != SPEED_10 &&
phy->req_line_speed != SPEED_100) {
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
1);
}
/* Save spirom version */
bnx2x_save_848xx_spirom_version(phy, params);
return 0;
}
static u8 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);
bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
return bnx2x_848xx_cmn_config_init(phy, params, vars);
}
static u8 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;
u8 rc = 0;
/* This is just for MDIO_CTL_REG_84823_MEDIA register. */
msleep(1);
if (CHIP_IS_E2(bp))
port = BP_PATH(bp);
else
port = params->port;
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
port);
bnx2x_wait_reset_complete(bp, phy);
/* Wait for GPHY to come out of reset */
msleep(50);
/* 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);
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. Essentialy 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);
if (initialize)
rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
else
bnx2x_save_848xx_spirom_version(phy, params);
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;
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 u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
{
u8 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;
if (CHIP_IS_E2(bp))
port = BP_PATH(bp);
else
port = params->port;
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
port);
}
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
struct link_params *params, u8 mode)
{
struct bnx2x *bp = params->bp;
u16 val;
switch (mode) {
case LED_MODE_OFF:
DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->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",
params->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", params->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", params->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, "Seting 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);
}
break;
}
}
/******************************************************************/
/* 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 u8 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);
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
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_REG_LASI_STATUS, &val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
val2, val1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
val2, val1);
link_up = ((val1 & 4) == 4);
/* 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;
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 u8 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,
.flags = FLAGS_INIT_XGXS_FIRST,
.def_md_devad = 0,
.reserved = 0,
.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,
.flags = 0,
.def_md_devad = 0,
.reserved = 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_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_init_serdes,
.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,
.flags = 0,
.def_md_devad = 0,
.reserved = 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_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_init_xgxs,
.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_7101 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
.addr = 0xff,
.flags = FLAGS_FAN_FAILURE_DET_REQ,
.def_md_devad = 0,
.reserved = 0,
.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,
.flags = FLAGS_HW_LOCK_REQUIRED,
.def_md_devad = 0,
.reserved = 0,
.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_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_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,
.flags = FLAGS_INIT_XGXS_FIRST,
.def_md_devad = 0,
.reserved = 0,
.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,
.flags = FLAGS_INIT_XGXS_FIRST,
.def_md_devad = 0,
.reserved = 0,
.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,
.flags = (FLAGS_HW_LOCK_REQUIRED |
FLAGS_INIT_XGXS_FIRST),
.def_md_devad = 0,
.reserved = 0,
.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_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_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,
.flags = FLAGS_FAN_FAILURE_DET_REQ,
.def_md_devad = 0,
.reserved = 0,
.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_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,
.flags = FLAGS_FAN_FAILURE_DET_REQ |
FLAGS_REARM_LATCH_SIGNAL,
.def_md_devad = 0,
.reserved = 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_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,
.flags = FLAGS_FAN_FAILURE_DET_REQ |
FLAGS_REARM_LATCH_SIGNAL,
.def_md_devad = 0,
.reserved = 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_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
};
/*****************************************************************/
/* */
/* 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 u8 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;
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 u8 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_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_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 u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
{
u8 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;
}
u8 bnx2x_phy_probe(struct link_params *params)
{
u8 phy_index, actual_phy_idx, link_cfg_idx;
u32 phy_config_swapped;
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;
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;
}
static void set_phy_vars(struct link_params *params)
{
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];
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);
}
}
u8 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);
DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
if (CHIP_REV_IS_FPGA(bp)) {
vars->link_up = 1;
vars->line_speed = SPEED_10000;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
/* enable on E1.5 FPGA */
if (CHIP_IS_E1H(bp)) {
vars->flow_ctrl |=
(BNX2X_FLOW_CTRL_TX |
BNX2X_FLOW_CTRL_RX);
vars->link_status |=
(LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
}
bnx2x_emac_enable(params, vars, 0);
if (!(CHIP_IS_E2(bp)))
bnx2x_pbf_update(params, vars->flow_ctrl,
vars->line_speed);
/* disable drain */
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
/* update shared memory */
bnx2x_update_mng(params, vars->link_status);
return 0;
} else
if (CHIP_REV_IS_EMUL(bp)) {
vars->link_up = 1;
vars->line_speed = SPEED_10000;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
bnx2x_bmac_enable(params, vars, 0);
bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
/* Disable drain */
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
+ params->port*4, 0);
/* update shared memory */
bnx2x_update_mng(params, vars->link_status);
return 0;
} else
if (params->loopback_mode == LOOPBACK_BMAC) {
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);
} else if (params->loopback_mode == LOOPBACK_EMAC) {
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);
} else if ((params->loopback_mode == LOOPBACK_XGXS) ||
(params->loopback_mode == LOOPBACK_EXT_PHY)) {
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;
vars->mac_type = MAC_TYPE_EMAC;
} else {
vars->line_speed = SPEED_10000;
vars->mac_type = MAC_TYPE_BMAC;
}
bnx2x_xgxs_deassert(params);
bnx2x_link_initialize(params, vars);
if (params->req_line_speed[0] == SPEED_1000) {
bnx2x_emac_program(params, vars);
bnx2x_emac_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);
} else
/* No loopback */
{
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);
}
return 0;
}
u8 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 */
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 */
bnx2x_bmac_rx_disable(bp, port);
/* disable emac */
REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
msleep(10);
/* The PHY reset is controled by GPIO 1
* Hold it as vars low
*/
/* clear link led */
bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
if (reset_ext_phy) {
for (phy_index = EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
if (params->phy[phy_index].link_reset)
params->phy[phy_index].link_reset(
&params->phy[phy_index],
params);
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 */
REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
vars->link_up = 0;
return 0;
}
/****************************************************************************/
/* Common function */
/****************************************************************************/
static u8 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;
s8 port_of_path = 0;
bnx2x_ext_phy_hw_reset(bp, 0);
/* 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_E2(bp)) {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
port_of_path = 0;
} else {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
port_of_path = port;
}
/* 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--) {
u16 fw_ver1;
if (CHIP_IS_E2(bp))
port_of_path = 0;
else
port_of_path = port;
DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path);
bnx2x_cl45_read(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
DP(NETIF_MSG_LINK,
"bnx2x_8073_common_init_phy port %x:"
"Download failed. fw version = 0x%x\n",
port, fw_ver1);
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 u8 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_E2(bp)) {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
} else {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
}
/* 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 u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
u32 shmem_base_path[],
u32 shmem2_base_path[], u8 phy_index,
u32 chip_id)
{
s8 port;
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);
port = 1;
bnx2x_ext_phy_hw_reset(bp, port ^ (swap_val && swap_override));
/* Calculate the port based on port swap */
port ^= (swap_val && swap_override);
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_E2(bp)) {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
port_of_path = 0;
} else {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
port_of_path = port;
}
/* 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--) {
u16 fw_ver1;
if (CHIP_IS_E2(bp))
port_of_path = 0;
else
port_of_path = port;
DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path);
bnx2x_cl45_read(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
DP(NETIF_MSG_LINK,
"bnx2x_8727_common_init_phy port %x:"
"Download failed. fw version = 0x%x\n",
port, fw_ver1);
return -EINVAL;
}
}
return 0;
}
static u8 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)
{
u8 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_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_FAILURE:
rc = -EINVAL;
break;
default:
DP(NETIF_MSG_LINK,
"bnx2x_common_init_phy: ext_phy 0x%x not required\n",
ext_phy_type);
break;
}
return rc;
}
u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
u32 shmem2_base_path[], u32 chip_id)
{
u8 rc = 0;
u8 phy_index;
u32 ext_phy_type, ext_phy_config;
DP(NETIF_MSG_LINK, "Begin common phy init\n");
if (CHIP_REV_IS_EMUL(bp))
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;
}
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;
for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
phy_index++) {
if (params->phy[phy_index].hw_reset) {
params->phy[phy_index].hw_reset(
&params->phy[phy_index],
params);
params->phy[phy_index] = phy_null;
}
}
}
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