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https://github.com/AsahiLinux/u-boot
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d9b23e26f0
Create board/$(VENDOR)/common folder to accommodate the common code shared by other atmel boards, now put the code to set ethernet mac address from eeprom, which uses the i2c eeprom driver. Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com> Reviewed-by: Simon Glass <sjg@chromium.org>
36 lines
675 B
C
36 lines
675 B
C
/*
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* Copyright (C) 2017 Microchip
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* Wenyou Yang <wenyou.yang@microchip.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <i2c_eeprom.h>
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#include <netdev.h>
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int at91_set_ethaddr(int offset)
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{
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const int ETH_ADDR_LEN = 6;
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unsigned char ethaddr[ETH_ADDR_LEN];
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const char *ETHADDR_NAME = "ethaddr";
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struct udevice *dev;
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int ret;
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if (env_get(ETHADDR_NAME))
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return 0;
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ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
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if (ret)
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return ret;
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ret = i2c_eeprom_read(dev, offset, ethaddr, 6);
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if (ret)
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return ret;
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if (is_valid_ethaddr(ethaddr))
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eth_env_set_enetaddr(ETHADDR_NAME, ethaddr);
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return 0;
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}
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