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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
*/
#include <common.h>
#include <dm.h>
#include <asm/arch-rockchip/periph.h>
#include <power/regulator.h>
#include <spl_gpio.h>
#include <asm/io.h>
#include <asm/arch-rockchip/gpio.h>
#include <asm/arch-rockchip/grf_rk3399.h>
#ifndef CONFIG_SPL_BUILD
int board_early_init_f(void)
{
struct udevice *regulator;
int ret;
ret = regulator_get_by_platname("vcc5v0_host", ®ulator);
if (ret) {
debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret);
goto out;
}
ret = regulator_set_enable(regulator, true);
if (ret)
debug("%s vcc5v0-host-en set fail! ret %d\n", __func__, ret);
out:
return 0;
}
#endif
#if defined(CONFIG_TPL_BUILD)
#define PMUGRF_BASE 0xff320000
#define GPIO0_BASE 0xff720000
int board_early_init_f(void)
{
struct rockchip_gpio_regs * const gpio0 = (void *)GPIO0_BASE;
struct rk3399_pmugrf_regs * const pmugrf = (void *)PMUGRF_BASE;
/**
* 1. Glow yellow LED, termed as low power
* 2. Poll for on board power key press
* 3. Once 2 done, off yellow and glow red LED, termed as full power
* 4. Continue booting...
*/
spl_gpio_output(gpio0, GPIO(BANK_A, 2), 1);
spl_gpio_set_pull(&pmugrf->gpio0_p, GPIO(BANK_A, 5), GPIO_PULL_NORMAL);
while (readl(&gpio0->ext_port) & 0x20);
spl_gpio_output(gpio0, GPIO(BANK_A, 2), 0);
spl_gpio_output(gpio0, GPIO(BANK_B, 5), 1);
return 0;
}
#endif
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