コード例 #1
0
static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
{
	u32 ctrl;
	s32  ret_val;

	ctrl = rd32(E1000_CTRL);
	ctrl |= E1000_CTRL_SLU;
	ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
	wr32(E1000_CTRL, ctrl);

	ret_val = igb_setup_serdes_link_82575(hw);
	if (ret_val)
		goto out;

	if (igb_sgmii_active_82575(hw) && !hw->phy.reset_disable) {
		
		msleep(300);

		ret_val = hw->phy.ops.reset(hw);
		if (ret_val) {
			hw_dbg("Error resetting the PHY.\n");
			goto out;
		}
	}
	switch (hw->phy.type) {
	case e1000_phy_m88:
		if (hw->phy.id == I347AT4_E_PHY_ID ||
		    hw->phy.id == M88E1112_E_PHY_ID)
			ret_val = igb_copper_link_setup_m88_gen2(hw);
		else
			ret_val = igb_copper_link_setup_m88(hw);
		break;
	case e1000_phy_igp_3:
		ret_val = igb_copper_link_setup_igp(hw);
		break;
	case e1000_phy_82580:
		ret_val = igb_copper_link_setup_82580(hw);
		break;
	default:
		ret_val = -E1000_ERR_PHY;
		break;
	}

	if (ret_val)
		goto out;

	ret_val = igb_setup_copper_link(hw);
out:
	return ret_val;
}
コード例 #2
0
/**
 *  igb_setup_copper_link_82575 - 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 igb_setup_copper_link_82575(struct e1000_hw *hw)
{
	u32 ctrl;
	s32  ret_val;

	ctrl = rd32(E1000_CTRL);
	ctrl |= E1000_CTRL_SLU;
	ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
	wr32(E1000_CTRL, ctrl);

	ret_val = igb_setup_serdes_link_82575(hw);
	if (ret_val)
		goto out;

	if (igb_sgmii_active_82575(hw) && !hw->phy.reset_disable) {
		/* allow time for SFP cage time to power up phy */
		msleep(300);

		ret_val = hw->phy.ops.reset(hw);
		if (ret_val) {
			hw_dbg("Error resetting the PHY.\n");
			goto out;
		}
	}
	switch (hw->phy.type) {
	case e1000_phy_m88:
		ret_val = igb_copper_link_setup_m88(hw);
		break;
	case e1000_phy_igp_3:
		ret_val = igb_copper_link_setup_igp(hw);
		break;
	case e1000_phy_82580:
		ret_val = igb_copper_link_setup_82580(hw);
		break;
	default:
		ret_val = -E1000_ERR_PHY;
		break;
	}

	if (ret_val)
		goto out;

	ret_val = igb_setup_copper_link(hw);
out:
	return ret_val;
}