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[TG3]: Disable GPHY autopowerdown

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New CPMU devices contend with the GPHY for power management.  The GPHY
autopowerdown feature is enabled by default in the PHY and thus needs to
be disabled after every PHY reset.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson
2007-11-12 21:16:17 -08:00
committed by David S. Miller
parent e875093c96
commit 662f38d242
2 changed files with 12 additions and 0 deletions
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6
drivers/net/tg3.c
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@@ -1117,6 +1117,12 @@ static int tg3_phy_reset(struct tg3 *tp)
udelay(40);
tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
}
/* Disable GPHY autopowerdown. */
tg3_writephy(tp, MII_TG3_MISC_SHDW,
MII_TG3_MISC_SHDW_WREN |
MII_TG3_MISC_SHDW_APD_SEL |
MII_TG3_MISC_SHDW_APD_WKTM_84MS);
}
out: