/** ixgbe_identify_phy_x550em - Get PHY type based on device id
* @hw: pointer to hardware structure
*
* Returns error code
*/
static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
{
u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_X_SFP:
/* set up for CS4227 usage */
hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
if (hw->bus.lan_id) {
esdp &= ~(IXGBE_ESDP_SDP1_NATIVE | IXGBE_ESDP_SDP1);
esdp |= IXGBE_ESDP_SDP1_DIR;
}
esdp &= ~(IXGBE_ESDP_SDP0_NATIVE | IXGBE_ESDP_SDP0_DIR);
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
return ixgbe_identify_module_generic(hw);
case IXGBE_DEV_ID_X550EM_X_KX4:
hw->phy.type = ixgbe_phy_x550em_kx4;
break;
case IXGBE_DEV_ID_X550EM_X_KR:
hw->phy.type = ixgbe_phy_x550em_kr;
break;
case IXGBE_DEV_ID_X550EM_X_1G_T:
case IXGBE_DEV_ID_X550EM_X_10G_T:
return ixgbe_identify_phy_generic(hw);
default:
break;
}
return 0;
}
/**
* ixgbe_reset_phy_generic - Performs a PHY reset
* @hw: pointer to hardware structure
**/
s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)
{
u32 i;
u16 ctrl = 0;
s32 status = 0;
if (hw->phy.type == ixgbe_phy_unknown)
status = ixgbe_identify_phy_generic(hw);
if (status != 0 || hw->phy.type == ixgbe_phy_none)
goto out;
/* Don't reset PHY if it's shut down due to overtemp. */
if (!hw->phy.reset_if_overtemp &&
(IXGBE_ERR_OVERTEMP == hw->phy.ops.check_overtemp(hw)))
goto out;
/*
* Perform soft PHY reset to the PHY_XS.
* This will cause a soft reset to the PHY
*/
hw->phy.ops.write_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL,
IXGBE_MDIO_PHY_XS_DEV_TYPE,
IXGBE_MDIO_PHY_XS_RESET);
/*
* Poll for reset bit to self-clear indicating reset is complete.
* Some PHYs could take up to 3 seconds to complete and need about
* 1.7 usec delay after the reset is complete.
*/
for (i = 0; i < 30; i++) {
msleep(100);
hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL,
IXGBE_MDIO_PHY_XS_DEV_TYPE, &ctrl);
if (!(ctrl & IXGBE_MDIO_PHY_XS_RESET)) {
udelay(2);
break;
}
}
if (ctrl & IXGBE_MDIO_PHY_XS_RESET) {
status = IXGBE_ERR_RESET_FAILED;
ERROR_REPORT1(IXGBE_ERROR_POLLING,
"PHY reset polling failed to complete.\n");
}
out:
return status;
}
static s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
/* Call PHY identify routine to get the phy type */
ixgbe_identify_phy_generic(hw);
mac->mcft_size = IXGBE_X540_MC_TBL_SIZE;
mac->vft_size = IXGBE_X540_VFT_TBL_SIZE;
mac->num_rar_entries = IXGBE_X540_RAR_ENTRIES;
mac->max_rx_queues = IXGBE_X540_MAX_RX_QUEUES;
mac->max_tx_queues = IXGBE_X540_MAX_TX_QUEUES;
mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
return 0;
}
/** ixgbe_identify_phy_x550em - Get PHY type based on device id
* @hw: pointer to hardware structure
*
* Returns error code
*/
static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
{
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_X_SFP:
/* set up for CS4227 usage */
hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
return ixgbe_identify_module_generic(hw);
case IXGBE_DEV_ID_X550EM_X_KX4:
hw->phy.type = ixgbe_phy_x550em_kx4;
break;
case IXGBE_DEV_ID_X550EM_X_KR:
hw->phy.type = ixgbe_phy_x550em_kr;
break;
case IXGBE_DEV_ID_X550EM_X_1G_T:
case IXGBE_DEV_ID_X550EM_X_10G_T:
return ixgbe_identify_phy_generic(hw);
default:
break;
}
return 0;
}
