mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-06 05:04:26 +00:00
6d06ea6c94
ROC-RK3399-PC has specific set of configurations for on-board led setup. Due to easiness for user to know the state of the board roc-rk339-pc board code will setup the low power led on/off, and waiting for user to press power key and then glow full power led. All this needs to happen only during power-on-reset not for soft reset or WDT. Also, it is not a proper usage to ask the user to press the Power key if the board connected remotely, so add the environment variable 'pwr_key' to check as well. So, user need to press Power key only - during POR - pwr_key=y Tested-by: Suniel Mahesh <sunil@amarulasolutions.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <env.h>
|
|
#include <log.h>
|
|
#include <spl_gpio.h>
|
|
#include <asm/io.h>
|
|
#include <power/regulator.h>
|
|
|
|
#include <asm/arch-rockchip/cru.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;
|
|
}
|
|
|
|
#else
|
|
|
|
#define PMUGRF_BASE 0xff320000
|
|
#define GPIO0_BASE 0xff720000
|
|
|
|
/**
|
|
* LED setup for roc-rk3399-pc
|
|
*
|
|
* 1. Set the low power leds (only during POR, pwr_key env is 'y')
|
|
* glow yellow LED, termed as low power
|
|
* poll for on board power key press
|
|
* once powe key pressed, turn off yellow
|
|
* 2. Turn on red LED, indicating full power mode
|
|
*/
|
|
void led_setup(void)
|
|
{
|
|
struct rockchip_gpio_regs * const gpio0 = (void *)GPIO0_BASE;
|
|
struct rk3399_pmugrf_regs * const pmugrf = (void *)PMUGRF_BASE;
|
|
bool press_pwr_key = false;
|
|
|
|
if (IS_ENABLED(CONFIG_SPL_ENV_SUPPORT)) {
|
|
env_init();
|
|
env_load();
|
|
if (env_get_yesno("pwr_key") == 1)
|
|
press_pwr_key = true;
|
|
}
|
|
|
|
if (press_pwr_key && !strcmp(get_reset_cause(), "POR")) {
|
|
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);
|
|
}
|
|
|
|
#endif
|