igc: Add setup link functionality

Add link establishment methods
Add auto negotiation methods
Add read MAC address method

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c
index 55faef987479..832da609d9a7 100644
--- a/drivers/net/ethernet/intel/igc/igc_base.c
+++ b/drivers/net/ethernet/intel/igc/igc_base.c
@@ -178,6 +178,29 @@ static s32 igc_init_nvm_params_base(struct igc_hw *hw)
 }
 
 /**
+ * igc_setup_copper_link_base - Configure copper link settings
+ * @hw: pointer to the HW structure
+ *
+ * Configures the link for auto-neg or forced speed and duplex.  Then we check
+ * for link, once link is established calls to configure collision distance
+ * and flow control are called.
+ */
+static s32 igc_setup_copper_link_base(struct igc_hw *hw)
+{
+        s32  ret_val = 0;
+        u32 ctrl;
+
+        ctrl = rd32(IGC_CTRL);
+        ctrl |= IGC_CTRL_SLU;
+        ctrl &= ~(IGC_CTRL_FRCSPD | IGC_CTRL_FRCDPX);
+        wr32(IGC_CTRL, ctrl);
+
+        ret_val = igc_setup_copper_link(hw);
+
+        return ret_val;
+}
+
+/**
  * igc_init_mac_params_base - Init MAC func ptrs.
  * @hw: pointer to the HW structure
  */
@@ -200,6 +223,9 @@ static s32 igc_init_mac_params_base(struct igc_hw *hw)
         if (mac->type == igc_i225)
                 dev_spec->clear_semaphore_once = true;
 
+        /* physical interface link setup */
+        mac->ops.setup_physical_interface = igc_setup_copper_link_base;
+
         return 0;
 }
 
@@ -242,6 +268,8 @@ static s32 igc_init_phy_params_base(struct igc_hw *hw)
         if (ret_val)
                 return ret_val;
 
+        igc_check_for_link_base(hw);
+
         /* Verify phy id and set remaining function pointers */
         switch (phy->id) {
         case I225_I_PHY_ID:
@@ -258,10 +286,22 @@ out:
 
 static s32 igc_get_invariants_base(struct igc_hw *hw)
 {
+        struct igc_mac_info *mac = &hw->mac;
         u32 link_mode = 0;
         u32 ctrl_ext = 0;
         s32 ret_val = 0;
 
+        switch (hw->device_id) {
+        case IGC_DEV_ID_I225_LM:
+        case IGC_DEV_ID_I225_V:
+                mac->type = igc_i225;
+                break;
+        default:
+                return -IGC_ERR_MAC_INIT;
+        }
+
+        hw->phy.media_type = igc_media_type_copper;
+
         ctrl_ext = rd32(IGC_CTRL_EXT);
         link_mode = ctrl_ext & IGC_CTRL_EXT_LINK_MODE_MASK;