1*f180a3b7SHieu Nguyen /* 2*f180a3b7SHieu Nguyen * Copyright (c) 2025, Renesas Electronics Corporation. All rights reserved. 3*f180a3b7SHieu Nguyen * 4*f180a3b7SHieu Nguyen * SPDX-License-Identifier: BSD-3-Clause 5*f180a3b7SHieu Nguyen */ 6*f180a3b7SHieu Nguyen 7*f180a3b7SHieu Nguyen #include <assert.h> 8*f180a3b7SHieu Nguyen #include <string.h> 9*f180a3b7SHieu Nguyen 10*f180a3b7SHieu Nguyen #include <arch.h> 11*f180a3b7SHieu Nguyen #include <arch_helpers.h> 12*f180a3b7SHieu Nguyen #include <lib/mmio.h> 13*f180a3b7SHieu Nguyen #include <plat/common/platform.h> 14*f180a3b7SHieu Nguyen #include "pwrc.h" 15*f180a3b7SHieu Nguyen #include "timer.h" 16*f180a3b7SHieu Nguyen 17*f180a3b7SHieu Nguyen #include "rcar_def.h" 18*f180a3b7SHieu Nguyen #include "rcar_private.h" 19*f180a3b7SHieu Nguyen 20*f180a3b7SHieu Nguyen void rcar_pwrc_suspend_to_ram(void) 21*f180a3b7SHieu Nguyen { 22*f180a3b7SHieu Nguyen rcar_pwrc_save_timer_state(); 23*f180a3b7SHieu Nguyen 24*f180a3b7SHieu Nguyen /* disable MMU */ 25*f180a3b7SHieu Nguyen disable_mmu_el3(); 26*f180a3b7SHieu Nguyen 27*f180a3b7SHieu Nguyen /* cache flush */ 28*f180a3b7SHieu Nguyen dcsw_op_all(DCCISW); 29*f180a3b7SHieu Nguyen 30*f180a3b7SHieu Nguyen rcar_scmi_sys_suspend(); 31*f180a3b7SHieu Nguyen 32*f180a3b7SHieu Nguyen wfi(); 33*f180a3b7SHieu Nguyen 34*f180a3b7SHieu Nguyen /* Do not return */ 35*f180a3b7SHieu Nguyen while (true) 36*f180a3b7SHieu Nguyen ; 37*f180a3b7SHieu Nguyen } 38*f180a3b7SHieu Nguyen 39*f180a3b7SHieu Nguyen void rcar_pwrc_code_copy_to_system_ram(void) 40*f180a3b7SHieu Nguyen { 41*f180a3b7SHieu Nguyen } 42*f180a3b7SHieu Nguyen 43*f180a3b7SHieu Nguyen uint32_t rcar_pwrc_cpu_on_check(u_register_t mpidr) 44*f180a3b7SHieu Nguyen { 45*f180a3b7SHieu Nguyen return 0; 46*f180a3b7SHieu Nguyen } 47*f180a3b7SHieu Nguyen 48*f180a3b7SHieu Nguyen void rcar_pwrc_enable_interrupt_wakeup(u_register_t mpidr) 49*f180a3b7SHieu Nguyen { 50*f180a3b7SHieu Nguyen } 51*f180a3b7SHieu Nguyen 52*f180a3b7SHieu Nguyen void rcar_pwrc_disable_interrupt_wakeup(u_register_t mpidr) 53*f180a3b7SHieu Nguyen { 54*f180a3b7SHieu Nguyen } 55