1 /* 2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <stdbool.h> 8 9 #include <arch.h> 10 #include <arch_helpers.h> 11 #include <common/debug.h> 12 13 #include <plat_imx8.h> 14 #include <sci/sci.h> 15 16 void __dead2 imx_system_off(void) 17 { 18 sc_pm_set_sys_power_mode(ipc_handle, SC_PM_PW_MODE_OFF); 19 wfi(); 20 ERROR("power off failed.\n"); 21 panic(); 22 } 23 24 void __dead2 imx_system_reset(void) 25 { 26 sc_pm_reset(ipc_handle, SC_PM_RESET_TYPE_BOARD); 27 wfi(); 28 ERROR("system reset failed.\n"); 29 panic(); 30 } 31 32 int imx_validate_power_state(unsigned int power_state, 33 psci_power_state_t *req_state) 34 { 35 /* TODO */ 36 return PSCI_E_INVALID_PARAMS; 37 } 38 39 void imx_get_sys_suspend_power_state(psci_power_state_t *req_state) 40 { 41 unsigned int i; 42 43 /* CPU & cluster off, system in retention */ 44 for (i = MPIDR_AFFLVL0; i < PLAT_MAX_PWR_LVL; i++) 45 req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE; 46 req_state->pwr_domain_state[PLAT_MAX_PWR_LVL] = PLAT_MAX_RET_STATE; 47 } 48 49