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b8ff4be966
Enable MISC_INIT_R and ROCKCHIP_EFUSE to read cpuid from efuse and set the cpuid# and serial# env vars. Change to read mac address from eeprom in rockchip_early_misc_init_r() to ensure the ethaddr env var is set before rockchip_setup_macaddr() try to set ethaddr based on cpuid. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
37 lines
615 B
C
37 lines
615 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2016 Rockchip Electronics Co., Ltd
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*/
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#include <dm.h>
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#include <env.h>
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#include <i2c_eeprom.h>
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#include <init.h>
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#include <net.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 rockchip_early_misc_init_r(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_env_set_enetaddr("ethaddr", ethaddr);
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return 0;
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}
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