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feat(mt8188): add reset and poweroff functions

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- Add mtk_pm_system_reset_cros() for cros reset.
- Add mtk_pm_system_off_cros() for cros power-off.

TEST=build pass
BUG=b:236331724

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Change-Id: I4117f6080e282551b37a936a490ab7b37ac31827
This commit is contained in:
Rex-BC Chen 2022-07-29 16:38:43 +08:00 • committed by Bo-Chen Chen
parent 6ca2046ef1
commit a72b9e7754
3 changed files with 71 additions and 0 deletions
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56
plat/mediatek/lib/system_reset/reset_cros.c Normal file
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@ -0,0 +1,56 @@
/*
* Copyright (c) 2022, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <arch_helpers.h>
#include <common/debug.h>
#include <drivers/gpio.h>
#include <lib/mtk_init/mtk_init.h>
#include <lib/pm/mtk_pm.h>
#include <plat_params.h>
#include <pmic.h>
#include <rtc.h>
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");
rtc_power_off_sequence();
pmic_power_off();
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);

14
plat/mediatek/lib/system_reset/rules.mk Normal file
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@ -0,0 +1,14 @@
#
# Copyright (c) 2022, MediaTek Inc. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
LOCAL_DIR := $(call GET_LOCAL_DIR)
MODULE := system_reset
LOCAL_SRCS-y := ${LOCAL_DIR}/reset_cros.c
$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL)))

1
plat/mediatek/mt8188/platform.mk
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@ -22,6 +22,7 @@ PLAT_INCLUDES := -I${MTK_PLAT}/common \
MODULES-y += $(MTK_PLAT)/common
MODULES-y += $(MTK_PLAT)/lib/mtk_init
MODULES-y += $(MTK_PLAT)/lib/pm
MODULES-y += $(MTK_PLAT)/lib/system_reset
MODULES-y += $(MTK_PLAT)/drivers/cirq
MODULES-y += $(MTK_PLAT)/drivers/dp
MODULES-y += $(MTK_PLAT)/drivers/gic600