diff options
| author | Emil Tantilov <emil.s.tantilov@intel.com> | 2013-04-12 08:36:47 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-04-25 20:13:43 -0700 |
| commit | 46d5ceddd282262267abecd70c5ed6f5bdce0f92 (patch) | |
| tree | 3bf34bff025391a5b351261e3c61c6d3bbf25904 /drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c | |
| parent | 5e82f2f07645ef2d8db837ebe907dfbb33d18a1e (diff) | |
ixgbe: add support for disabling link at boot time on 82599
This patch adds support for disabling link during boot time. This
feature was requested by customers and is configurable through the EEPROM.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c index c4c5e878b8a..0b82d38bc97 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c @@ -1051,6 +1051,14 @@ mac_reset_top: */ hw->mac.cached_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); + + /* Enable link if disabled in NVM */ + if (autoc2 & IXGBE_AUTOC2_LINK_DISABLE_MASK) { + autoc2 &= ~IXGBE_AUTOC2_LINK_DISABLE_MASK; + IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2); + IXGBE_WRITE_FLUSH(hw); + } + if (hw->mac.orig_link_settings_stored == false) { hw->mac.orig_autoc = hw->mac.cached_autoc; hw->mac.orig_autoc2 = autoc2; @@ -2186,8 +2194,17 @@ static s32 ixgbe_read_eeprom_82599(struct ixgbe_hw *hw, **/ s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw) { - s32 i, autoc_reg, ret_val; - s32 anlp1_reg = 0; + s32 ret_val; + u32 anlp1_reg = 0; + u32 i, autoc_reg, autoc2_reg; + + /* Enable link if disabled in NVM */ + autoc2_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC2); + if (autoc2_reg & IXGBE_AUTOC2_LINK_DISABLE_MASK) { + autoc2_reg &= ~IXGBE_AUTOC2_LINK_DISABLE_MASK; + IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2_reg); + IXGBE_WRITE_FLUSH(hw); + } autoc_reg = hw->mac.cached_autoc; autoc_reg |= IXGBE_AUTOC_AN_RESTART; |