ixgbe_get_supported_physical_layer_X550em;
/* PHY */
- phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
- phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
phy->ops.init = ixgbe_init_phy_ops_X550em;
phy->ops.identify = ixgbe_identify_phy_x550em;
if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
switch (hw->phy.type) {
case ixgbe_phy_x550em_kr:
phy->ops.setup_link = ixgbe_setup_kr_x550em;
+ phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
+ phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
+ break;
+ case ixgbe_phy_x550em_ext_t:
+ phy->ops.setup_internal_link = ixgbe_setup_internal_phy_x550em;
break;
default:
break;
if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
return status;
+ /* start the external PHY */
+ if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
+ status = ixgbe_init_ext_t_x550em(hw);
+ if (status)
+ return status;
+ }
+
/* Setup SFP module if there is one present. */
if (hw->phy.sfp_setup_needed) {
status = hw->mac.ops.setup_sfp(hw);
hw->mac.num_rar_entries = 128;
hw->mac.ops.init_rx_addrs(hw);
+
+ return status;
+}
+
+/**
+ * ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY.
+ * @hw: pointer to hardware structure
+ */
+s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
+{
+ u32 status;
+ u16 reg;
+ u32 retries = 1;
+
+ /* TODO: The number of attempts and delay between attempts is undefined */
+ do {
+ /* decrement retries counter and exit if we hit 0 */
+ if (retries < 1) {
+ ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
+ "External PHY not yet finished resetting.");
+ return IXGBE_ERR_PHY;
+ }
+ retries--;
+
+ usec_delay(0);
+
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MDIO_TX_VENDOR_ALARMS_3,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ ®);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* Verify PHY FW reset has completed */
+ } while ((reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) != 1);
+
+ /* Set port to low power mode */
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_CONTROL,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+ ®);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ reg |= IXGBE_MDIO_PHY_SET_LOW_POWER_MODE;
+
+ status = hw->phy.ops.write_reg(hw,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_CONTROL,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+ reg);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* Enable the transmitter */
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MDIO_PMD_STD_TX_DISABLE_CNTR,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ ®);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ reg &= ~IXGBE_MDIO_PMD_GLOBAL_TX_DISABLE;
+
+ status = hw->phy.ops.write_reg(hw,
+ IXGBE_MDIO_PMD_STD_TX_DISABLE_CNTR,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ reg);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* Un-stall the PHY FW */
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MDIO_GLOBAL_RES_PR_10,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+ ®);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ reg &= ~IXGBE_MDIO_POWER_UP_STALL;
+
+ status = hw->phy.ops.write_reg(hw,
+ IXGBE_MDIO_GLOBAL_RES_PR_10,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+ reg);
+
return status;
}
/**
* ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI.
* @hw: pointer to hardware structure
+ * @speed: the link speed to force
*
- * Configures the integrated KR PHY to use iXFI mode.
+ * Configures the integrated KR PHY to use iXFI mode. Used to connect an
+ * internal and external PHY at a specific speed, without autonegotiation.
**/
-s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
{
s32 status;
u32 reg_val;
reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
- reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
+
+ /* Select forced link speed for internal PHY. */
+ switch (*speed) {
+ case IXGBE_LINK_SPEED_10GB_FULL:
+ reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
+ break;
+ case IXGBE_LINK_SPEED_1GB_FULL:
+ reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
+ break;
+ default:
+ /* Other link speeds are not supported by internal KR PHY. */
+ return IXGBE_ERR_LINK_SETUP;
+ }
+
status = ixgbe_write_iosf_sb_reg_x550(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
return status;
}
+/**
+ * ixgbe_setup_internal_phy_x550em - Configure integrated KR PHY
+ * @hw: point to hardware structure
+ *
+ * Configures the integrated KR PHY to talk to the external PHY. The base
+ * driver will call this function when it gets notification via interrupt from
+ * the external PHY. This function forces the internal PHY into iXFI mode at
+ * the correct speed.
+ *
+ * A return of a non-zero value indicates an error, and the base driver should
+ * not report link up.
+ */
+s32 ixgbe_setup_internal_phy_x550em(struct ixgbe_hw *hw)
+{
+ u32 status;
+ u16 lasi, autoneg_status, speed;
+ ixgbe_link_speed force_speed;
+
+ /* Verify that the external link status has changed */
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_XENPAK_LASI_STATUS,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ &lasi);
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* If there was no change in link status, we can just exit */
+ if (!(lasi & IXGBE_XENPAK_LASI_LINK_STATUS_ALARM))
+ return IXGBE_SUCCESS;
+
+ /* we read this twice back to back to indicate current status */
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_status);
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_status);
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* If link is not up return an error indicating treat link as down */
+ if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS))
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &speed);
+
+ /* clear everything but the speed and duplex bits */
+ speed &= IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_MASK;
+
+ switch (speed) {
+ case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB_FULL:
+ force_speed = IXGBE_LINK_SPEED_10GB_FULL;
+ break;
+ case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB_FULL:
+ force_speed = IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ default:
+ /* Internal PHY does not support anything else */
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ }
+
+ return ixgbe_setup_ixfi_x550em(hw, &force_speed);
+}
+
/**
* ixgbe_setup_phy_loopback_x550em - Configure the KR PHY for loopback.
* @hw: pointer to hardware structure
u32 ixgbe_get_supported_physical_layer_X550em(struct ixgbe_hw *hw)
{
u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+ u16 ext_ability = 0;
DEBUGFUNC("ixgbe_get_supported_physical_layer_X550em");
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
IXGBE_PHYSICAL_LAYER_1000BASE_KX;
break;
+ case ixgbe_phy_x550em_ext_t:
+ hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_EXT_ABILITY,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ &ext_ability);
+ if (ext_ability & IXGBE_MDIO_PHY_10GBASET_ABILITY)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
+ if (ext_ability & IXGBE_MDIO_PHY_1000BASET_ABILITY)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
+ break;
default:
break;
}
git.droids-corp.org / dpdk.git / blobdiff