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authorMatt Carlson <mcarlson@broadcom.com>2007-11-12 21:16:17 -0800
committerDavid S. Miller <davem@davemloft.net>2007-11-12 21:16:17 -0800
commit662f38d242488cfdcda7b3684ac610d3e4d568a7 (patch)
treee4557b5d2ec89f5d9b858e29ca40215eade01cef /drivers/net/tg3.c
parente875093c9659d2a9f3923aa9ee1b89ef40cf95b9 (diff)
[TG3]: Disable GPHY autopowerdown
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>
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 25e57d8ddb5..b5c4799003e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -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: