diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/bnx2x_link.c | 37 | ||||
| -rw-r--r-- | drivers/net/bnx2x_reg.h | 4 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index bf1021ed5dd6..4c16a46f0caf 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -1621,6 +1621,39 @@ static u8 bnx2x_ext_phy_resolve_fc(struct link_params *params, return ret; } +static u8 bnx2x_direct_parallel_detect_used(struct link_params *params) +{ + struct bnx2x *bp = params->bp; + u16 pd_10g, status2_1000x; + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + MDIO_REG_BANK_SERDES_DIGITAL, + MDIO_SERDES_DIGITAL_A_1000X_STATUS2, + &status2_1000x); + CL45_RD_OVER_CL22(bp, params->port, + params->phy_addr, + 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, params->port, + params->phy_addr, + 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 link_params *params, struct link_vars *vars, @@ -1639,6 +1672,10 @@ static void bnx2x_flow_ctrl_resolve(struct link_params *params, (!(vars->phy_flags & PHY_SGMII_FLAG)) && (XGXS_EXT_PHY_TYPE(params->ext_phy_config) == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) { + if (bnx2x_direct_parallel_detect_used(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)) == diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h index b80fde44c85d..4be9bab42f5c 100644 --- a/drivers/net/bnx2x_reg.h +++ b/drivers/net/bnx2x_reg.h @@ -4920,6 +4920,8 @@ #define MDIO_REG_BANK_10G_PARALLEL_DETECT 0x8130 +#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS 0x10 +#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK 0x8000 #define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL 0x11 #define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN 0x1 #define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK 0x13 @@ -4944,6 +4946,8 @@ #define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G 0x0010 #define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M 0x0008 #define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M 0x0000 +#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2 0x15 +#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED 0x0002 #define MDIO_SERDES_DIGITAL_MISC1 0x18 #define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK 0xE000 #define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M 0x0000 |