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https://github.com/brain-hackers/u-boot-brain
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ecc3bd73b3
Set ethernet mac address in late init for Tinker Board, prevents getting a random mac address each boot. Read mac address from eeprom, first 6 bytes from m24c08@50. Same as /etc/init.d/rockchip.sh on Tinker OS. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Simon Glass <sjg@chromium.org>
36 lines
581 B
C
36 lines
581 B
C
/*
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* (C) Copyright 2016 Rockchip Electronics Co., Ltd
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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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static int get_ethaddr_from_eeprom(u8 *addr)
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{
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int ret;
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struct udevice *dev;
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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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return i2c_eeprom_read(dev, 0, addr, 6);
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}
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int rk_board_late_init(void)
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{
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u8 ethaddr[6];
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if (get_ethaddr_from_eeprom(ethaddr))
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return 0;
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if (is_valid_ethaddr(ethaddr))
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eth_setenv_enetaddr("ethaddr", ethaddr);
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return 0;
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}
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