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[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>
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1 changed files with 11 additions and 1 deletions
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@ -1175,8 +1175,18 @@ static void tg3_nvram_unlock(struct tg3 *);
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static void tg3_power_down_phy(struct tg3 *tp)
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{
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if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
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if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
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if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
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u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
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u32 serdes_cfg = tr32(MAC_SERDES_CFG);
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sg_dig_ctrl |=
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SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
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tw32(SG_DIG_CTRL, sg_dig_ctrl);
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tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
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}
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return;
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}
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if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
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u32 val;
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