diff options
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index b6615f112ea..604f3085d12 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -1175,8 +1175,18 @@ static void tg3_nvram_unlock(struct tg3 *); static void tg3_power_down_phy(struct tg3 *tp) { - if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) + if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) { + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { + u32 sg_dig_ctrl = tr32(SG_DIG_CTRL); + u32 serdes_cfg = tr32(MAC_SERDES_CFG); + + sg_dig_ctrl |= + SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET; + tw32(SG_DIG_CTRL, sg_dig_ctrl); + tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15)); + } return; + } if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { u32 val; |