1 /*
2  * Copyright (c) 2022, MediaTek Inc. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <assert.h>
8 #include <arch_helpers.h>
9 #include <common/debug.h>
10 #include <drivers/gpio.h>
11 #include <lib/mtk_init/mtk_init.h>
12 #include <lib/pm/mtk_pm.h>
13 #include <plat_params.h>
14 #include <pmic.h>
15 #include <rtc.h>
16 
mtk_system_reset_cros(void)17 static void __dead2 mtk_system_reset_cros(void)
18 {
19 	struct bl_aux_gpio_info *gpio_reset = plat_get_mtk_gpio_reset();
20 
21 	INFO("MTK System Reset\n");
22 
23 	gpio_set_value(gpio_reset->index, gpio_reset->polarity);
24 
25 	wfi();
26 	ERROR("MTK System Reset: operation not handled.\n");
27 	panic();
28 }
29 
mtk_system_off_cros(void)30 static void __dead2 mtk_system_off_cros(void)
31 {
32 	INFO("MTK System Off\n");
33 
34 	rtc_power_off_sequence();
35 	pmic_power_off();
36 
37 	wfi();
38 	ERROR("MTK System Off: operation not handled.\n");
39 	panic();
40 }
41 
42 static struct plat_pm_reset_ctrl lib_reset_ctrl = {
43 	.system_off = mtk_system_off_cros,
44 	.system_reset = mtk_system_reset_cros,
45 	.system_reset2 = NULL,
46 };
47 
lib_reset_ctrl_init(void)48 static int lib_reset_ctrl_init(void)
49 {
50 	INFO("Reset init\n");
51 
52 	plat_pm_ops_setup_reset(&lib_reset_ctrl);
53 
54 	return 0;
55 }
56 MTK_ARCH_INIT(lib_reset_ctrl_init);
57