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 <environment.h> 9 #include <i2c_eeprom.h> 10 #include <netdev.h> 11 12 static int get_ethaddr_from_eeprom(u8 *addr) 13 { 14 int ret; 15 struct udevice *dev; 16 17 ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev); 18 if (ret) 19 return ret; 20 21 return i2c_eeprom_read(dev, 0, addr, 6); 22 } 23 24 int rk_board_late_init(void) 25 { 26 u8 ethaddr[6]; 27 28 if (get_ethaddr_from_eeprom(ethaddr)) 29 return 0; 30 31 if (is_valid_ethaddr(ethaddr)) 32 eth_env_set_enetaddr("ethaddr", ethaddr); 33 34 return 0; 35 } 36
