diff options
| author |   Michael Chan <mchan@broadcom.com> | 2007-02-13 12:17:57 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2007-02-13 12:17:57 -0800 |
| commit | 5129724aa5de3a71fc70e71ca49d542ca1a5aa1e (patch) | |
| tree | ec00f82aa17a7c47a8b3763e150a9fafd4115fea | |
| parent | [TG3]: 5906 doesn't need to switch to slower clock. (diff) | |
| download | linux-dev-5129724aa5de3a71fc70e71ca49d542ca1a5aa1e.tar.xz linux-dev-5129724aa5de3a71fc70e71ca49d542ca1a5aa1e.zip | |
[TG3]: Power down 5704 serdes transceiver when shutting down.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -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 b6615f112eaa..604f3085d12a 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; |