wangxun/txgbe/txgbe_hw.c

1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
17  *  txgbe_disable_sec_tx_path - Stops the transmit data path
33  *  txgbe_enable_sec_tx_path - Enables the transmit data path
45  *  txgbe_init_thermal_sensor_thresh - Inits thermal sensor thresholds
49  *  and save off the threshold and location values into mac.thermal_sensor_data
53 	struct wx_thermal_sensor_data *data = &wx->mac.sensor;  in txgbe_init_thermal_sensor_thresh()
58 	if (wx->bus.func)  in txgbe_init_thermal_sensor_thresh()
67 	data->alarm_thresh = 100;  in txgbe_init_thermal_sensor_thresh()
69 	data->dalarm_thresh = 90;  in txgbe_init_thermal_sensor_thresh()
74  *  txgbe_calc_eeprom_checksum - Calculates and returns the checksum
92 		return -ENOMEM;  in txgbe_calc_eeprom_checksum()
103 		if (i != wx->eeprom.sw_region_offset + TXGBE_EEPROM_CHECKSUM)  in txgbe_calc_eeprom_checksum()
108 	*checksum = TXGBE_EEPROM_SUM - *checksum;  in txgbe_calc_eeprom_checksum()
114  *  txgbe_validate_eeprom_checksum - Validate EEPROM checksum
142 	status = wx_read_ee_hostif(wx, wx->eeprom.sw_region_offset +  in txgbe_validate_eeprom_checksum()
151 		status = -EIO;  in txgbe_validate_eeprom_checksum()
169  *  txgbe_reset_hw - Perform hardware reset
173  *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
185 	if (wx->media_type != sp_media_copper) {  in txgbe_reset_hw()
188 		val = WX_MIS_RST_LAN_RST(wx->bus.func);  in txgbe_reset_hw()
194 	status = wx_check_flash_load(wx, TXGBE_SPI_ILDR_STATUS_LAN_SW_RST(wx->bus.func));  in txgbe_reset_hw()
202 	/* Store the permanent mac address */  in txgbe_reset_hw()
203 	wx_get_mac_addr(wx, wx->mac.perm_addr);  in txgbe_reset_hw()
205 	/* Store MAC address from RAR0, clear receive address registers, and  in txgbe_reset_hw()
207 	 * since we modify this value when programming the SAN MAC address.  in txgbe_reset_hw()
209 	wx->mac.num_rar_entries = TXGBE_SP_RAR_ENTRIES;  in txgbe_reset_hw()
212 	pci_set_master(wx->pdev);  in txgbe_reset_hw()