+
+/**
+ * ixgbe_acquire_swfw_sync_X550a - Acquire SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify which semaphore to acquire
+ *
+ * Acquires the SWFW semaphore and get the shared phy token as needed
+ */
+STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
+{
+ u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
+ int retries = FW_PHY_TOKEN_RETRIES;
+ s32 status = IXGBE_SUCCESS;
+
+ DEBUGFUNC("ixgbe_acquire_swfw_sync_X550a");
+
+ while (--retries) {
+ status = IXGBE_SUCCESS;
+ if (hmask)
+ status = ixgbe_acquire_swfw_sync_X540(hw, hmask);
+ if (status) {
+ DEBUGOUT1("Could not acquire SWFW semaphore, Status = %d\n",
+ status);
+ return status;
+ }
+ if (!(mask & IXGBE_GSSR_TOKEN_SM))
+ return IXGBE_SUCCESS;
+
+ status = ixgbe_get_phy_token(hw);
+ if (status == IXGBE_ERR_TOKEN_RETRY)
+ DEBUGOUT1("Could not acquire PHY token, Status = %d\n",
+ status);
+
+ if (status == IXGBE_SUCCESS)
+ return IXGBE_SUCCESS;
+
+ if (hmask)
+ ixgbe_release_swfw_sync_X540(hw, hmask);
+
+ if (status != IXGBE_ERR_TOKEN_RETRY) {
+ DEBUGOUT1("Unable to retry acquiring the PHY token, Status = %d\n",
+ status);
+ return status;
+ }
+ }
+
+ DEBUGOUT1("Semaphore acquisition retries failed!: PHY ID = 0x%08X\n",
+ hw->phy.id);
+ return status;
+}
+
+/**
+ * ixgbe_release_swfw_sync_X550a - Release SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify which semaphore to release
+ *
+ * Releases the SWFW semaphore and puts the shared phy token as needed
+ */
+STATIC void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
+{
+ u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_release_swfw_sync_X550a");
+
+ if (mask & IXGBE_GSSR_TOKEN_SM)
+ ixgbe_put_phy_token(hw);
+
+ if (hmask)
+ ixgbe_release_swfw_sync_X540(hw, hmask);
+}
+
+/**
+ * ixgbe_read_phy_reg_x550a - Reads specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit address of PHY register to read
+ * @device_type: 5 bit device type
+ * @phy_data: Pointer to read data from PHY register
+ *
+ * Reads a value from a specified PHY register using the SWFW lock and PHY
+ * Token. The PHY Token is needed since the MDIO is shared between to MAC
+ * instances.
+ **/
+s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 *phy_data)
+{
+ s32 status;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_read_phy_reg_x550a");
+
+ if (hw->mac.ops.acquire_swfw_sync(hw, mask))
+ return IXGBE_ERR_SWFW_SYNC;
+
+ status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data);
+
+ hw->mac.ops.release_swfw_sync(hw, mask);
+
+ return status;
+}
+
+/**
+ * ixgbe_write_phy_reg_x550a - Writes specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit PHY register to write
+ * @device_type: 5 bit device type
+ * @phy_data: Data to write to the PHY register
+ *
+ * Writes a value to specified PHY register using the SWFW lock and PHY Token.
+ * The PHY Token is needed since the MDIO is shared between to MAC instances.
+ **/
+s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 phy_data)
+{
+ s32 status;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_write_phy_reg_x550a");
+
+ if (hw->mac.ops.acquire_swfw_sync(hw, mask) == IXGBE_SUCCESS) {
+ status = hw->phy.ops.write_reg_mdi(hw, reg_addr, device_type,
+ phy_data);
+ hw->mac.ops.release_swfw_sync(hw, mask);
+ } else {
+ status = IXGBE_ERR_SWFW_SYNC;
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
+ * @hw: pointer to hardware structure
+ *
+ * Handle external Base T PHY interrupt. If high temperature
+ * failure alarm then return error, else if link status change
+ * then setup internal/external PHY link
+ *
+ * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
+ * failure alarm, else return PHY access status.
+ */
+s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw)
+{
+ bool lsc;
+ u32 status;
+
+ status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ if (lsc)
+ return ixgbe_setup_internal_phy(hw);
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_setup_mac_link_t_X550em - Sets the auto advertised link speed
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg_wait_to_complete: true when waiting for completion is needed
+ *
+ * Setup internal/external PHY link speed based on link speed, then set
+ * external PHY auto advertised link speed.
+ *
+ * Returns error status for any failure
+ **/
+s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw,
+ ixgbe_link_speed speed,
+ bool autoneg_wait_to_complete)
+{
+ s32 status;
+ ixgbe_link_speed force_speed;
+ u32 i;
+ bool link_up = false;
+
+ DEBUGFUNC("ixgbe_setup_mac_link_t_X550em");
+
+ /* Setup internal/external PHY link speed to iXFI (10G), unless
+ * only 1G is auto advertised then setup KX link.
+ */
+ if (speed & IXGBE_LINK_SPEED_10GB_FULL)
+ force_speed = IXGBE_LINK_SPEED_10GB_FULL;
+ else
+ force_speed = IXGBE_LINK_SPEED_1GB_FULL;
+
+ /* If X552 and internal link mode is XFI, then setup XFI internal link.
+ */
+ if (hw->mac.type == ixgbe_mac_X550EM_x &&
+ !(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
+ status = ixgbe_setup_ixfi_x550em(hw, &force_speed);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* Wait for the controller to acquire link */
+ for (i = 0; i < 10; i++) {
+ msec_delay(100);
+
+ status = ixgbe_check_link(hw, &force_speed, &link_up,
+ false);
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ if (link_up)
+ break;
+ }
+ }
+
+ return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait_to_complete);
+}
+
+/**
+ * ixgbe_check_link_t_X550em - Determine link and speed status
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @link_up: true when link is up
+ * @link_up_wait_to_complete: bool used to wait for link up or not
+ *
+ * Check that both the MAC and X557 external PHY have link.
+ **/
+s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
+ bool *link_up, bool link_up_wait_to_complete)
+{
+ u32 status;
+ u16 i, autoneg_status = 0;
+
+ if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
+ return IXGBE_ERR_CONFIG;
+
+ status = ixgbe_check_mac_link_generic(hw, speed, link_up,
+ link_up_wait_to_complete);
+
+ /* If check link fails or MAC link is not up, then return */
+ if (status != IXGBE_SUCCESS || !(*link_up))
+ return status;
+
+ /* MAC link is up, so check external PHY link.
+ * X557 PHY. Link status is latching low, and can only be used to detect
+ * link drop, and not the current status of the link without performing
+ * back-to-back reads.
+ */
+ for (i = 0; i < 2; i++) {
+ 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 external PHY link is not up, then indicate link not up */
+ if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS))
+ *link_up = false;
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI
+ * @hw: pointer to hardware structure
+ **/
+s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
+{
+ s32 status;
+
+ status = ixgbe_reset_phy_generic(hw);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* Configure Link Status Alarm and Temperature Threshold interrupts */
+ return ixgbe_enable_lasi_ext_t_x550em(hw);
+}
+
+/**
+ * ixgbe_led_on_t_X550em - Turns on the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @led_idx: led number to turn on
+ **/
+s32 ixgbe_led_on_t_X550em(struct ixgbe_hw *hw, u32 led_idx)
+{
+ u16 phy_data;
+
+ DEBUGFUNC("ixgbe_led_on_t_X550em");
+
+ if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
+ return IXGBE_ERR_PARAM;
+
+ /* To turn on the LED, set mode to ON. */
+ ixgbe_read_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, &phy_data);
+ phy_data |= IXGBE_X557_LED_MANUAL_SET_MASK;
+ ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
+
+ /* Some designs have the LEDs wired to the MAC */
+ return ixgbe_led_on_generic(hw, led_idx);
+}
+
+/**
+ * ixgbe_led_off_t_X550em - Turns off the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @led_idx: led number to turn off
+ **/
+s32 ixgbe_led_off_t_X550em(struct ixgbe_hw *hw, u32 led_idx)
+{
+ u16 phy_data;
+
+ DEBUGFUNC("ixgbe_led_off_t_X550em");
+
+ if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
+ return IXGBE_ERR_PARAM;
+
+ /* To turn on the LED, set mode to ON. */
+ ixgbe_read_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, &phy_data);
+ phy_data &= ~IXGBE_X557_LED_MANUAL_SET_MASK;
+ ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
+
+ /* Some designs have the LEDs wired to the MAC */
+ return ixgbe_led_off_generic(hw, led_idx);
+}
+
+/**
+ * ixgbe_set_fw_drv_ver_x550 - Sends driver version to firmware
+ * @hw: pointer to the HW structure
+ * @maj: driver version major number
+ * @min: driver version minor number
+ * @build: driver version build number
+ * @sub: driver version sub build number
+ * @len: length of driver_ver string
+ * @driver_ver: driver string
+ *
+ * Sends driver version number to firmware through the manageability
+ * block. On success return IXGBE_SUCCESS
+ * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
+ * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ **/
+s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
+ u8 build, u8 sub, u16 len, const char *driver_ver)
+{
+ struct ixgbe_hic_drv_info2 fw_cmd;
+ s32 ret_val = IXGBE_SUCCESS;
+ int i;
+
+ DEBUGFUNC("ixgbe_set_fw_drv_ver_x550");
+
+ if ((len == 0) || (driver_ver == NULL) ||
+ (len > sizeof(fw_cmd.driver_string)))
+ return IXGBE_ERR_INVALID_ARGUMENT;
+
+ fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
+ fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN + len;
+ fw_cmd.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED;
+ fw_cmd.port_num = (u8)hw->bus.func;
+ fw_cmd.ver_maj = maj;
+ fw_cmd.ver_min = min;
+ fw_cmd.ver_build = build;
+ fw_cmd.ver_sub = sub;
+ fw_cmd.hdr.checksum = 0;
+ memcpy(fw_cmd.driver_string, driver_ver, len);
+ fw_cmd.hdr.checksum = ixgbe_calculate_checksum((u8 *)&fw_cmd,
+ (FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len));
+
+ for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
+ ret_val = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
+ sizeof(fw_cmd),
+ IXGBE_HI_COMMAND_TIMEOUT,
+ true);
+ if (ret_val != IXGBE_SUCCESS)
+ continue;
+
+ if (fw_cmd.hdr.cmd_or_resp.ret_status ==
+ FW_CEM_RESP_STATUS_SUCCESS)
+ ret_val = IXGBE_SUCCESS;
+ else
+ ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+
+ break;
+ }
+
+ return ret_val;
+}
+
+/**
+ * ixgbe_fw_recovery_mode_X550 - Check FW NVM recovery mode
+ * @hw: pointer t hardware structure
+ *
+ * Returns true if in FW NVM recovery mode.
+ **/
+bool ixgbe_fw_recovery_mode_X550(struct ixgbe_hw *hw)
+{
+ u32 fwsm;
+
+ fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM_BY_MAC(hw));
+
+ return !!(fwsm & IXGBE_FWSM_FW_NVM_RECOVERY_MODE);
+}