1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2016 Rockchip Electronics Co., Ltd 4 */ 5 6 #include <common.h> 7 #include <dm.h> 8 #include <eeprom.h> 9 #include <environment.h> 10 #include <i2c_eeprom.h> 11 #include <netdev.h> 12 get_ethaddr_from_eeprom(u8 * addr)13static int get_ethaddr_from_eeprom(u8 *addr) 14 { 15 int ret; 16 struct udevice *dev; 17 18 ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev); 19 if (ret) 20 return ret; 21 22 return i2c_eeprom_read(dev, 0, addr, 6); 23 } 24 rk_board_late_init(void)25int rk_board_late_init(void) 26 { 27 u8 ethaddr[6]; 28 29 if (get_ethaddr_from_eeprom(ethaddr)) 30 return 0; 31 32 if (is_valid_ethaddr(ethaddr)) 33 eth_env_set_enetaddr("ethaddr", ethaddr); 34 35 return 0; 36 } 37