arm-trusted-firmware/plat/mediatek/lib/system_reset/reset_cros.c
Yidi Lin 22d74da7cd feat(mt8196): add reset and poweroff function for PSCI call
Add reset and poweroff function for PSCI call.

Change-Id: I65b9e341b74f568f968f3c464a64ea754284cb8c
Signed-off-by: Yidi Lin <yidilin@chromium.org>
2025-02-05 23:56:28 +08:00

68 lines
1.3 KiB
C

/*
* Copyright (c) 2022-2025, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <arch_helpers.h>
#include <common/debug.h>
#include <drivers/delay_timer.h>
#include <drivers/gpio.h>
#if CONFIG_MTK_PMIC_SHUTDOWN_CFG
#include <drivers/pmic/pmic_psc.h>
#endif
#include <lib/mtk_init/mtk_init.h>
#include <lib/pm/mtk_pm.h>
#include <plat_params.h>
#if !CONFIG_MTK_PMIC_SHUTDOWN_CFG
#include <pmic.h>
#include <rtc.h>
#endif
static void __dead2 mtk_system_reset_cros(void)
{
struct bl_aux_gpio_info *gpio_reset = plat_get_mtk_gpio_reset();
INFO("MTK System Reset\n");
gpio_set_value(gpio_reset->index, gpio_reset->polarity);
wfi();
ERROR("MTK System Reset: operation not handled.\n");
panic();
}
static void __dead2 mtk_system_off_cros(void)
{
INFO("MTK System Off\n");
#if CONFIG_MTK_PMIC_SHUTDOWN_CFG
platform_power_hold(false);
mdelay(1000);
#else
rtc_power_off_sequence();
pmic_power_off();
#endif
wfi();
ERROR("MTK System Off: operation not handled.\n");
panic();
}
static struct plat_pm_reset_ctrl lib_reset_ctrl = {
.system_off = mtk_system_off_cros,
.system_reset = mtk_system_reset_cros,
.system_reset2 = NULL,
};
static int lib_reset_ctrl_init(void)
{
INFO("Reset init\n");
plat_pm_ops_setup_reset(&lib_reset_ctrl);
return 0;
}
MTK_ARCH_INIT(lib_reset_ctrl_init);