u-boot/board/rockchip/tinker_rk3288/tinker-rk3288.c
Jonas Karlman b8ff4be966 rockchip: rk3288-tinker: Set cpuid and serial env var
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>
2025-01-10 18:56:15 -06:00

37 lines
615 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
*/
#include <dm.h>
#include <env.h>
#include <i2c_eeprom.h>
#include <init.h>
#include <net.h>
#include <netdev.h>
static int get_ethaddr_from_eeprom(u8 *addr)
{
int ret;
struct udevice *dev;
ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
if (ret)
return ret;
return i2c_eeprom_read(dev, 0, addr, 6);
}
int rockchip_early_misc_init_r(void)
{
u8 ethaddr[6];
if (get_ethaddr_from_eeprom(ethaddr))
return 0;
if (is_valid_ethaddr(ethaddr))
eth_env_set_enetaddr("ethaddr", ethaddr);
return 0;
}