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>
diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c
index 55faef9..832da609 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 @@ static s32 igc_init_phy_params_base(struct igc_hw *hw)
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;