diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_link.c')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_link.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index a04fa13ad1c2..144cfae39661 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -7195,6 +7195,30 @@ static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, /******************************************************************/ /* SFP+ module Section */ /******************************************************************/ +static void bnx2x_set_disable_pmd_transmit(struct link_params *params, + struct bnx2x_phy *phy, + u8 pmd_dis) +{ + struct bnx2x *bp = params->bp; + /* + * Disable transmitter only for bootcodes which can enable it afterwards + * (for D3 link) + */ + if (pmd_dis) { + if (params->feature_config_flags & + FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) + DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n"); + else { + DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n"); + return; + } + } else + DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n"); + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_TX_DISABLE, pmd_dis); +} + static u8 bnx2x_get_gpio_port(struct link_params *params) { u8 gpio_port; @@ -8598,6 +8622,9 @@ static int bnx2x_8727_config_init(struct bnx2x_phy *phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); + /* Enable/Disable PHY transmitter output */ + bnx2x_set_disable_pmd_transmit(params, phy, 0); + /* Make MOD_ABS give interrupt on change */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, &val); @@ -8972,6 +8999,10 @@ static void bnx2x_8727_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; + + /* Enable/Disable PHY transmitter output */ + bnx2x_set_disable_pmd_transmit(params, phy, 1); + /* Disable Transmitter */ bnx2x_sfp_set_transmitter(params, phy, 0); /* Clear LASI */ @@ -11895,6 +11926,10 @@ static int bnx2x_8727_common_init_phy(struct bnx2x *bp, if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], port_of_path)) return -EINVAL; + /* Disable PHY transmitter output */ + bnx2x_cl45_write(bp, phy_blk[port], + MDIO_PMA_DEVAD, + MDIO_PMA_REG_TX_DISABLE, 1); } return 0; |