diff options
| author | Jesse Brandeburg <jesse.brandeburg@intel.com> | 2012-07-26 02:31:04 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-08-21 01:24:05 -0700 |
| commit | 1b556783abe92d3bfedf0d0eb3af2319947739ae (patch) | |
| tree | 1148d9aebaf777d6b2d6dc6df61e549b8951c67c /drivers/net/ethernet/intel/igb/e1000_phy.c | |
| parent | e86fd89188abcc3288ca760a064000054110b2bb (diff) | |
| download | talos-obmc-linux-1b556783abe92d3bfedf0d0eb3af2319947739ae.tar.gz talos-obmc-linux-1b556783abe92d3bfedf0d0eb3af2319947739ae.zip | |
igb: implement 580 MDI setting support
In order for igb to support MDI setting support via
ethtool this code is needed to allow setting the MDI state
via software.
This is in regards to the related ethtool patch
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Aaron Brown aaron.f.brown@intel.com
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igb/e1000_phy.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_phy.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index 7be98b6f1052..3404bc79f4ca 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -464,6 +464,32 @@ s32 igb_copper_link_setup_82580(struct e1000_hw *hw) phy_data |= I82580_CFG_ENABLE_DOWNSHIFT; ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data); + if (ret_val) + goto out; + + /* Set MDI/MDIX mode */ + ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data); + if (ret_val) + goto out; + phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK; + /* + * Options: + * 0 - Auto (default) + * 1 - MDI mode + * 2 - MDI-X mode + */ + switch (hw->phy.mdix) { + case 1: + break; + case 2: + phy_data |= I82580_PHY_CTRL2_MANUAL_MDIX; + break; + case 0: + default: + phy_data |= I82580_PHY_CTRL2_AUTO_MDI_MDIX; + break; + } + ret_val = hw->phy.ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data); out: return ret_val; @@ -2246,8 +2272,7 @@ s32 igb_phy_force_speed_duplex_82580(struct e1000_hw *hw) if (ret_val) goto out; - phy_data &= ~I82580_PHY_CTRL2_AUTO_MDIX; - phy_data &= ~I82580_PHY_CTRL2_FORCE_MDI_MDIX; + phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK; ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data); if (ret_val) |
