1*a72b9e77SRex-BC Chen /* 2*a72b9e77SRex-BC Chen * Copyright (c) 2022, MediaTek Inc. All rights reserved. 3*a72b9e77SRex-BC Chen * 4*a72b9e77SRex-BC Chen * SPDX-License-Identifier: BSD-3-Clause 5*a72b9e77SRex-BC Chen */ 6*a72b9e77SRex-BC Chen 7*a72b9e77SRex-BC Chen #include <assert.h> 8*a72b9e77SRex-BC Chen #include <arch_helpers.h> 9*a72b9e77SRex-BC Chen #include <common/debug.h> 10*a72b9e77SRex-BC Chen #include <drivers/gpio.h> 11*a72b9e77SRex-BC Chen #include <lib/mtk_init/mtk_init.h> 12*a72b9e77SRex-BC Chen #include <lib/pm/mtk_pm.h> 13*a72b9e77SRex-BC Chen #include <plat_params.h> 14*a72b9e77SRex-BC Chen #include <pmic.h> 15*a72b9e77SRex-BC Chen #include <rtc.h> 16*a72b9e77SRex-BC Chen 17*a72b9e77SRex-BC Chen static void __dead2 mtk_system_reset_cros(void) 18*a72b9e77SRex-BC Chen { 19*a72b9e77SRex-BC Chen struct bl_aux_gpio_info *gpio_reset = plat_get_mtk_gpio_reset(); 20*a72b9e77SRex-BC Chen 21*a72b9e77SRex-BC Chen INFO("MTK System Reset\n"); 22*a72b9e77SRex-BC Chen 23*a72b9e77SRex-BC Chen gpio_set_value(gpio_reset->index, gpio_reset->polarity); 24*a72b9e77SRex-BC Chen 25*a72b9e77SRex-BC Chen wfi(); 26*a72b9e77SRex-BC Chen ERROR("MTK System Reset: operation not handled.\n"); 27*a72b9e77SRex-BC Chen panic(); 28*a72b9e77SRex-BC Chen } 29*a72b9e77SRex-BC Chen 30*a72b9e77SRex-BC Chen static void __dead2 mtk_system_off_cros(void) 31*a72b9e77SRex-BC Chen { 32*a72b9e77SRex-BC Chen INFO("MTK System Off\n"); 33*a72b9e77SRex-BC Chen 34*a72b9e77SRex-BC Chen rtc_power_off_sequence(); 35*a72b9e77SRex-BC Chen pmic_power_off(); 36*a72b9e77SRex-BC Chen 37*a72b9e77SRex-BC Chen wfi(); 38*a72b9e77SRex-BC Chen ERROR("MTK System Off: operation not handled.\n"); 39*a72b9e77SRex-BC Chen panic(); 40*a72b9e77SRex-BC Chen } 41*a72b9e77SRex-BC Chen 42*a72b9e77SRex-BC Chen static struct plat_pm_reset_ctrl lib_reset_ctrl = { 43*a72b9e77SRex-BC Chen .system_off = mtk_system_off_cros, 44*a72b9e77SRex-BC Chen .system_reset = mtk_system_reset_cros, 45*a72b9e77SRex-BC Chen .system_reset2 = NULL, 46*a72b9e77SRex-BC Chen }; 47*a72b9e77SRex-BC Chen 48*a72b9e77SRex-BC Chen static int lib_reset_ctrl_init(void) 49*a72b9e77SRex-BC Chen { 50*a72b9e77SRex-BC Chen INFO("Reset init\n"); 51*a72b9e77SRex-BC Chen 52*a72b9e77SRex-BC Chen plat_pm_ops_setup_reset(&lib_reset_ctrl); 53*a72b9e77SRex-BC Chen 54*a72b9e77SRex-BC Chen return 0; 55*a72b9e77SRex-BC Chen } 56*a72b9e77SRex-BC Chen MTK_ARCH_INIT(lib_reset_ctrl_init); 57