summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
diff options
context:
space:
mode:
authorMark Rustad <mark.d.rustad@intel.com>2016-04-01 12:18:20 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2016-04-07 16:33:11 -0700
commitc898fe280457dcdf500fc1001ee73cb1adedc4d2 (patch)
treecaf79dd0d99044288eaf73ad8e88a2534d7706f1 /drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
parentd31afc8f5ca11249a3b15dafa5972fc76e4099cf (diff)
downloadblackbird-op-linux-c898fe280457dcdf500fc1001ee73cb1adedc4d2.tar.gz
blackbird-op-linux-c898fe280457dcdf500fc1001ee73cb1adedc4d2.zip
ixgbe: Read and set instance id
Read the instance number from EEPROM and save it for later use. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_common.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_common.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 11450bd8ec9c..737443a015d5 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -682,6 +682,7 @@ s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw)
void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw)
{
struct ixgbe_bus_info *bus = &hw->bus;
+ u16 ee_ctrl_4;
u32 reg;
reg = IXGBE_READ_REG(hw, IXGBE_STATUS);
@@ -692,6 +693,13 @@ void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw)
reg = IXGBE_READ_REG(hw, IXGBE_FACTPS(hw));
if (reg & IXGBE_FACTPS_LFS)
bus->func ^= 0x1;
+
+ /* Get MAC instance from EEPROM for configuring CS4227 */
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP) {
+ hw->eeprom.ops.read(hw, IXGBE_EEPROM_CTRL_4, &ee_ctrl_4);
+ bus->instance_id = (ee_ctrl_4 & IXGBE_EE_CTRL_4_INST_ID) >>
+ IXGBE_EE_CTRL_4_INST_ID_SHIFT;
+ }
}
/**
OpenPOWER on IntegriCloud