blob: 60ddf00d4576dec4e3085f4f6cf591454e69a174 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
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;
}
|