e1000e: initial support for 82579 LOMs

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 86c6a26c0a39..312c704aec34 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -880,6 +880,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
         switch (mac->type) {
         case e1000_ich10lan:
         case e1000_pchlan:
+        case e1000_pch2lan:
                 mask |= (1 << 18);
                 break;
         default:
@@ -1321,6 +1322,17 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
                 e1000_configure_k1_ich8lan(hw, false);
                 break;
+        case e1000_phy_82579:
+                /* Disable PHY energy detect power down */
+                e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
+                e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
+                /* Disable full chip energy detect */
+                e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
+                e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
+                /* Enable loopback on the PHY */
+#define I82577_PHY_LBK_CTRL          19
+                e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
+                break;
         default:
                 break;
         }
@@ -1878,6 +1890,7 @@ static int e1000_phys_id(struct net_device *netdev, u32 data)
 
         if ((hw->phy.type == e1000_phy_ife) ||
             (hw->mac.type == e1000_pchlan) ||
+            (hw->mac.type == e1000_pch2lan) ||
             (hw->mac.type == e1000_82583) ||
             (hw->mac.type == e1000_82574)) {
                 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);