summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c182
1 files changed, 179 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 7581da13e92a..9fe9445cd73b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -26,6 +26,20 @@
#include "ixgbe_common.h"
#include "ixgbe_phy.h"
+static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ struct ixgbe_phy_info *phy = &hw->phy;
+
+ /* Start with X540 invariants, since so simular */
+ ixgbe_get_invariants_X540(hw);
+
+ if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
+ phy->ops.set_phy_power = NULL;
+
+ return 0;
+}
+
/** ixgbe_setup_mux_ctl - Setup ESDP register for I2C mux control
* @hw: pointer to hardware structure
**/
@@ -597,6 +611,24 @@ static s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw)
return status;
}
+/**
+ * ixgbe_get_bus_info_X550em - Set PCI bus info
+ * @hw: pointer to hardware structure
+ *
+ * Sets bus link width and speed to unknown because X550em is
+ * not a PCI device.
+ **/
+static s32 ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw)
+{
+ hw->bus.type = ixgbe_bus_type_internal;
+ hw->bus.width = ixgbe_bus_width_unknown;
+ hw->bus.speed = ixgbe_bus_speed_unknown;
+
+ hw->mac.ops.set_lan_id(hw);
+
+ return 0;
+}
+
/** ixgbe_disable_rx_x550 - Disable RX unit
*
* Enables the Rx DMA unit for x550
@@ -1444,6 +1476,144 @@ static s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
return ixgbe_enable_lasi_ext_t_x550em(hw);
}
+/** ixgbe_get_lcd_x550em - Determine lowest common denominator
+ * @hw: pointer to hardware structure
+ * @lcd_speed: pointer to lowest common link speed
+ *
+ * Determine lowest common link speed with link partner.
+ **/
+static s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw,
+ ixgbe_link_speed *lcd_speed)
+{
+ u16 an_lp_status;
+ s32 status;
+ u16 word = hw->eeprom.ctrl_word_3;
+
+ *lcd_speed = IXGBE_LINK_SPEED_UNKNOWN;
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_AUTO_NEG_LP_STATUS,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &an_lp_status);
+ if (status)
+ return status;
+
+ /* If link partner advertised 1G, return 1G */
+ if (an_lp_status & IXGBE_AUTO_NEG_LP_1000BASE_CAP) {
+ *lcd_speed = IXGBE_LINK_SPEED_1GB_FULL;
+ return status;
+ }
+
+ /* If 10G disabled for LPLU via NVM D10GMP, then return no valid LCD */
+ if ((hw->bus.lan_id && (word & NVM_INIT_CTRL_3_D10GMP_PORT1)) ||
+ (word & NVM_INIT_CTRL_3_D10GMP_PORT0))
+ return status;
+
+ /* Link partner not capable of lower speeds, return 10G */
+ *lcd_speed = IXGBE_LINK_SPEED_10GB_FULL;
+ return status;
+}
+
+/** ixgbe_enter_lplu_x550em - Transition to low power states
+ * @hw: pointer to hardware structure
+ *
+ * Configures Low Power Link Up on transition to low power states
+ * (from D0 to non-D0). Link is required to enter LPLU so avoid resetting
+ * the X557 PHY immediately prior to entering LPLU.
+ **/
+static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
+{
+ u16 an_10g_cntl_reg, autoneg_reg, speed;
+ s32 status;
+ ixgbe_link_speed lcd_speed;
+ u32 save_autoneg;
+ bool link_up;
+
+ /* SW LPLU not required on later HW revisions. */
+ if (IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)))
+ return 0;
+
+ /* If blocked by MNG FW, then don't restart AN */
+ if (ixgbe_check_reset_blocked(hw))
+ return 0;
+
+ status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
+ if (status)
+ return status;
+
+ status = hw->eeprom.ops.read(hw, NVM_INIT_CTRL_3,
+ &hw->eeprom.ctrl_word_3);
+ if (status)
+ return status;
+
+ /* If link is down, LPLU disabled in NVM, WoL disabled, or
+ * manageability disabled, then force link down by entering
+ * low power mode.
+ */
+ if (!link_up || !(hw->eeprom.ctrl_word_3 & NVM_INIT_CTRL_3_LPLU) ||
+ !(hw->wol_enabled || ixgbe_mng_present(hw)))
+ return ixgbe_set_copper_phy_power(hw, false);
+
+ /* Determine LCD */
+ status = ixgbe_get_lcd_t_x550em(hw, &lcd_speed);
+ if (status)
+ return status;
+
+ /* If no valid LCD link speed, then force link down and exit. */
+ if (lcd_speed == IXGBE_LINK_SPEED_UNKNOWN)
+ return ixgbe_set_copper_phy_power(hw, false);
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &speed);
+ if (status)
+ return status;
+
+ /* If no link now, speed is invalid so take link down */
+ status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
+ if (status)
+ return ixgbe_set_copper_phy_power(hw, false);
+
+ /* clear everything but the speed bits */
+ speed &= IXGBE_MDIO_AUTO_NEG_VEN_STAT_SPEED_MASK;
+
+ /* If current speed is already LCD, then exit. */
+ if (((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB) &&
+ (lcd_speed == IXGBE_LINK_SPEED_1GB_FULL)) ||
+ ((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB) &&
+ (lcd_speed == IXGBE_LINK_SPEED_10GB_FULL)))
+ return status;
+
+ /* Clear AN completed indication */
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_reg);
+ if (status)
+ return status;
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_MII_10GBASE_T_AUTONEG_CTRL_REG,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &an_10g_cntl_reg);
+ if (status)
+ return status;
+
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_reg);
+ if (status)
+ return status;
+
+ save_autoneg = hw->phy.autoneg_advertised;
+
+ /* Setup link at least common link speed */
+ status = hw->mac.ops.setup_link(hw, lcd_speed, false);
+
+ /* restore autoneg from before setting lplu speed */
+ hw->phy.autoneg_advertised = save_autoneg;
+
+ return status;
+}
+
/** ixgbe_init_phy_ops_X550em - PHY/SFP specific init
* @hw: pointer to hardware structure
*
@@ -1514,6 +1684,11 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
ret_val = ixgbe_setup_kr_speed_x550em(hw, speed);
}
+ /* setup SW LPLU only for first revision */
+ if (!(IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw,
+ IXGBE_FUSES0_GROUP(0))))
+ phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em;
+
phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em;
phy->ops.reset = ixgbe_reset_phy_t_X550em;
break;
@@ -1760,7 +1935,6 @@ static void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw,
.get_mac_addr = &ixgbe_get_mac_addr_generic, \
.get_device_caps = &ixgbe_get_device_caps_generic, \
.stop_adapter = &ixgbe_stop_adapter_generic, \
- .get_bus_info = &ixgbe_get_bus_info_generic, \
.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, \
.read_analog_reg8 = NULL, \
.write_analog_reg8 = NULL, \
@@ -1809,6 +1983,7 @@ static struct ixgbe_mac_operations mac_ops_X550 = {
.get_wwn_prefix = &ixgbe_get_wwn_prefix_generic,
.setup_link = &ixgbe_setup_mac_link_X540,
.get_link_capabilities = &ixgbe_get_copper_link_capabilities_generic,
+ .get_bus_info = &ixgbe_get_bus_info_generic,
.setup_sfp = NULL,
};
@@ -1820,6 +1995,7 @@ static struct ixgbe_mac_operations mac_ops_X550EM_x = {
.get_wwn_prefix = NULL,
.setup_link = NULL, /* defined later */
.get_link_capabilities = &ixgbe_get_link_capabilities_X550em,
+ .get_bus_info = &ixgbe_get_bus_info_X550em,
.setup_sfp = ixgbe_setup_sfp_modules_X550em,
};
@@ -1855,7 +2031,7 @@ static struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = {
.read_reg = &ixgbe_read_phy_reg_generic, \
.write_reg = &ixgbe_write_phy_reg_generic, \
.setup_link = &ixgbe_setup_phy_link_generic, \
- .set_phy_power = &ixgbe_set_copper_phy_power, \
+ .set_phy_power = NULL, \
.check_overtemp = &ixgbe_tn_check_overtemp, \
.get_firmware_version = &ixgbe_get_phy_firmware_version_generic,
@@ -1893,7 +2069,7 @@ struct ixgbe_info ixgbe_X550_info = {
struct ixgbe_info ixgbe_X550EM_x_info = {
.mac = ixgbe_mac_X550EM_x,
- .get_invariants = &ixgbe_get_invariants_X540,
+ .get_invariants = &ixgbe_get_invariants_X550_x,
.mac_ops = &mac_ops_X550EM_x,
.eeprom_ops = &eeprom_ops_X550EM_x,
.phy_ops = &phy_ops_X550EM_x,