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From: "Michael Chan" <mchan@broadcom.com>
To: davem@davemloft.net, netdev@vger.kernel.org
Subject: [TG3 5/8]: Power down 5704 serdes transceiver when shutting down.
Date: Tue, 13 Feb 2007 12:14:32 -0800	[thread overview]
Message-ID: <1171397672.18944.29.camel@rh4> (raw)

[TG3]: Power down 5704 serdes transceiver when shutting down.

Signed-off-by: Michael Chan <mchan@broadcom.com>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b6615f1..604f308 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;



             reply	other threads:[~2007-02-13 19:31 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-13 20:14 Michael Chan [this message]
2007-02-13 20:19 ` [TG3 5/8]: Power down 5704 serdes transceiver when shutting down David Miller

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