[Intel-wired-lan] [PATCH V3 10/11] ixgbe: Add KR backplane support for x550em_a

[Mark D Rustad]

Add support for x550em_a-based KR backplane devices.

Signed-off-by: Mark Rustad <mark.d.rustad at intel.com>
---
Changes in V3:
- Move mac type check into ixgbe_setup_kr_x550em
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |    2 ++
 drivers/net/ethernet/intel/ixgbe/ixgbe_type.h |    2 ++
 drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c |   18 ++++++++++++++----
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 41bc816bbe87..0d5893a60e08 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -130,6 +130,8 @@ static const struct pci_device_id ixgbe_pci_tbl[] = {
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_KR), board_X550EM_x},
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_10G_T), board_X550EM_x},
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_SFP), board_X550EM_x},
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_KR), board_x550em_a },
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_KR_L), board_x550em_a },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SFP_N), board_x550em_a },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SGMII), board_x550em_a },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SGMII_L), board_x550em_a },
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index eada335c03f8..216a29dcc718 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -80,6 +80,8 @@
 #define IXGBE_DEV_ID_X550EM_X_SFP	0x15AC
 #define IXGBE_DEV_ID_X550EM_X_10G_T	0x15AD
 #define IXGBE_DEV_ID_X550EM_X_1G_T	0x15AE
+#define IXGBE_DEV_ID_X550EM_A_KR	0x15C2
+#define IXGBE_DEV_ID_X550EM_A_KR_L	0x15C3
 #define IXGBE_DEV_ID_X550EM_A_SFP_N	0x15C4
 #define IXGBE_DEV_ID_X550EM_A_SGMII	0x15C6
 #define IXGBE_DEV_ID_X550EM_A_SGMII_L	0x15C7
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 1fd4f134ce49..8cf0edcae4a0 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -291,6 +291,8 @@ static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
 		hw->phy.type = ixgbe_phy_x550em_kx4;
 		break;
 	case IXGBE_DEV_ID_X550EM_X_KR:
+	case IXGBE_DEV_ID_X550EM_A_KR:
+	case IXGBE_DEV_ID_X550EM_A_KR_L:
 		hw->phy.type = ixgbe_phy_x550em_kr;
 		break;
 	case IXGBE_DEV_ID_X550EM_X_1G_T:
@@ -1984,13 +1986,17 @@ static s32 ixgbe_setup_kx4_x550em(struct ixgbe_hw *hw)
 	return status;
 }
 
-/**  ixgbe_setup_kr_x550em - Configure the KR PHY.
- *   @hw: pointer to hardware structure
+/**
+ * ixgbe_setup_kr_x550em - Configure the KR PHY
+ * @hw: pointer to hardware structure
  *
- *   Configures the integrated KR PHY.
+ * Configures the integrated KR PHY for X550EM_x.
  **/
 static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
 {
+	if (hw->mac.type != ixgbe_mac_X550EM_x)
+		return 0;
+
 	return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
 }
 
@@ -2196,7 +2202,9 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
 		return IXGBE_ERR_CONFIG;
 	}
 
-	if (hw->device_id != IXGBE_DEV_ID_X550EM_X_KR)
+	if (hw->device_id != IXGBE_DEV_ID_X550EM_X_KR &&
+	    hw->device_id != IXGBE_DEV_ID_X550EM_A_KR &&
+	    hw->device_id != IXGBE_DEV_ID_X550EM_A_KR_L)
 		return 0;
 
 	rc = hw->mac.ops.read_iosf_sb_reg(hw,
@@ -2437,6 +2445,8 @@ static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
 		/* Fallthrough */
 	case IXGBE_DEV_ID_X550EM_X_KR:
 	case IXGBE_DEV_ID_X550EM_X_KX4:
+	case IXGBE_DEV_ID_X550EM_A_KR:
+	case IXGBE_DEV_ID_X550EM_A_KR_L:
 		media_type = ixgbe_media_type_backplane;
 		break;
 	case IXGBE_DEV_ID_X550EM_X_SFP: