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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2017 Microchip
- * Wenyou Yang <wenyou.yang@microchip.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <eeprom.h>
- #include <env.h>
- #include <i2c_eeprom.h>
- #include <net.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;
- }
- /* this function will set eth1addr from a second eeprom, if available */
- int at91_set_eth1addr(int offset)
- {
- const int ETH_ADDR_LEN = 6;
- unsigned char ethaddr[ETH_ADDR_LEN];
- /* configure eth1addr for second interface */
- const char *ETHADDR_NAME = "eth1addr";
- struct udevice *dev;
- int ret;
- if (env_get(ETHADDR_NAME))
- return 0;
- /* first eeprom is retrieved, this is for the first interface */
- ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
- if (ret)
- return ret;
- /* attempt to obtain a second eeprom device */
- ret = uclass_next_device(&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;
- }
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