summaryrefslogtreecommitdiffstats
path: root/drivers/net/tg3.c
diff options
context:
space:
mode:
authorMatt Carlson <mcarlson@broadcom.com>2009-08-25 10:06:01 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-26 15:47:45 -0700
commit521e6b90dd3f0392062845d7ef13e6e41bb99d8a (patch)
treecf7405a1a6a3b3b247c9c3c2c24372779c7faea6 /drivers/net/tg3.c
parentc46b59b241ec52ffaf92ece8d8ab726621d580fb (diff)
downloadblackbird-obmc-linux-521e6b90dd3f0392062845d7ef13e6e41bb99d8a.tar.gz
blackbird-obmc-linux-521e6b90dd3f0392062845d7ef13e6e41bb99d8a.zip
tg3: Fix 57780 asic rev PCIe link receiver errors
This patch fixes some PCIe link receiver errors by decreasing the internal electrical idle timeout. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 46a3f86125be..e8def28877ce 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6719,6 +6719,11 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
PCIE_PWR_MGMT_L1_THRESH_4MS;
tw32(PCIE_PWR_MGMT_THRESH, val);
+
+ val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
+ tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
+
+ tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
}
/* This works around an issue with Athlon chipsets on
OpenPOWER on IntegriCloud