diff options
Diffstat (limited to 'board/atmel/common/mac_eeprom.c')
-rw-r--r-- | board/atmel/common/mac_eeprom.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/board/atmel/common/mac_eeprom.c b/board/atmel/common/mac_eeprom.c new file mode 100644 index 0000000000..60ddf00d45 --- /dev/null +++ b/board/atmel/common/mac_eeprom.c @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2017 Microchip + * Wenyou Yang <wenyou.yang@microchip.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <i2c_eeprom.h> +#include <netdev.h> + +int at91_set_ethaddr(int offset) +{ + const int ETH_ADDR_LEN = 6; + unsigned char ethaddr[ETH_ADDR_LEN]; + const char *ETHADDR_NAME = "ethaddr"; + struct udevice *dev; + int ret; + + if (env_get(ETHADDR_NAME)) + return 0; + + ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev); + if (ret) + return ret; + + ret = i2c_eeprom_read(dev, offset, ethaddr, 6); + if (ret) + return ret; + + if (is_valid_ethaddr(ethaddr)) + eth_env_set_enetaddr(ETHADDR_NAME, ethaddr); + + return 0; +} |