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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2006-01-12 16:50:44 -0800
committerJeff Garzik <jgarzik@pobox.com>2006-01-17 07:44:49 -0500
commit492731632cce0a7c8817376e1316f0af093830c4 (patch)
tree2b823e84446b2812067d4c47a62c8361bb7d8d84 /drivers/net/e1000
parent7bfa48162d4924e8cc7fb8eccc8c8f66cc111eb4 (diff)
[PATCH] e1000: Fix loopback logic
Fixed the loopback logic to work for the PCI express adapters. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/e1000')
-rw-r--r--drivers/net/e1000/e1000_ethtool.c70
1 files changed, 46 insertions, 24 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index ffdf76b725b..ceb9cd059b9 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -1326,22 +1326,33 @@ e1000_set_phy_loopback(struct e1000_adapter *adapter)
static int
e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
+ struct e1000_hw *hw = &adapter->hw;
uint32_t rctl;
- if(adapter->hw.media_type == e1000_media_type_fiber ||
- adapter->hw.media_type == e1000_media_type_internal_serdes) {
- if(adapter->hw.mac_type == e1000_82545 ||
- adapter->hw.mac_type == e1000_82546 ||
- adapter->hw.mac_type == e1000_82545_rev_3 ||
- adapter->hw.mac_type == e1000_82546_rev_3)
+ if (hw->media_type == e1000_media_type_fiber ||
+ hw->media_type == e1000_media_type_internal_serdes) {
+ switch (hw->mac_type) {
+ case e1000_82545:
+ case e1000_82546:
+ case e1000_82545_rev_3:
+ case e1000_82546_rev_3:
return e1000_set_phy_loopback(adapter);
- else {
- rctl = E1000_READ_REG(&adapter->hw, RCTL);
+ break;
+ case e1000_82571:
+ case e1000_82572:
+#define E1000_SERDES_LB_ON 0x410
+ e1000_set_phy_loopback(adapter);
+ E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
+ msec_delay(10);
+ return 0;
+ break;
+ default:
+ rctl = E1000_READ_REG(hw, RCTL);
rctl |= E1000_RCTL_LBM_TCVR;
- E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
+ E1000_WRITE_REG(hw, RCTL, rctl);
return 0;
}
- } else if(adapter->hw.media_type == e1000_media_type_copper)
+ } else if (hw->media_type == e1000_media_type_copper)
return e1000_set_phy_loopback(adapter);
return 7;
@@ -1350,27 +1361,38 @@ e1000_setup_loopback_test(struct e1000_adapter *adapter)
static void
e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
+ struct e1000_hw *hw = &adapter->hw;
uint32_t rctl;
uint16_t phy_reg;
- rctl = E1000_READ_REG(&adapter->hw, RCTL);
+ rctl = E1000_READ_REG(hw, RCTL);
rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
- E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
+ E1000_WRITE_REG(hw, RCTL, rctl);
- if(adapter->hw.media_type == e1000_media_type_copper ||
- ((adapter->hw.media_type == e1000_media_type_fiber ||
- adapter->hw.media_type == e1000_media_type_internal_serdes) &&
- (adapter->hw.mac_type == e1000_82545 ||
- adapter->hw.mac_type == e1000_82546 ||
- adapter->hw.mac_type == e1000_82545_rev_3 ||
- adapter->hw.mac_type == e1000_82546_rev_3))) {
- adapter->hw.autoneg = TRUE;
- e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
- if(phy_reg & MII_CR_LOOPBACK) {
+ switch (hw->mac_type) {
+ case e1000_82571:
+ case e1000_82572:
+ if (hw->media_type == e1000_media_type_fiber ||
+ hw->media_type == e1000_media_type_internal_serdes) {
+#define E1000_SERDES_LB_OFF 0x400
+ E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
+ msec_delay(10);
+ break;
+ }
+ /* Fall Through */
+ case e1000_82545:
+ case e1000_82546:
+ case e1000_82545_rev_3:
+ case e1000_82546_rev_3:
+ default:
+ hw->autoneg = TRUE;
+ e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
+ if (phy_reg & MII_CR_LOOPBACK) {
phy_reg &= ~MII_CR_LOOPBACK;
- e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
- e1000_phy_reset(&adapter->hw);
+ e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
+ e1000_phy_reset(hw);
}
+ break;
}
}