| /* |
| * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <asm_macros.S> |
| #include <platform_def.h> |
| #include <cpus_on_fixed_addr.h> |
| |
| .globl sys_sleep_flag_sram |
| .globl pmu_cpuson_entrypoint |
| |
| .macro pmusram_entry_func _name |
| .section .pmusram.entry, "ax" |
| .type \_name, %function |
| .cfi_startproc |
| \_name: |
| .endm |
| |
| pmusram_entry_func pmu_cpuson_entrypoint |
| adr x5, sys_sleep_flag_sram |
| ldr w2, [x5, #PSRAM_DT_PM_FLAG] |
| |
| tbz w2, #PM_WARM_BOOT_SHT, sys_resume_sp |
| ldr x1, =platform_cpu_warmboot |
| br x1 |
| sys_resume_sp: |
| adr x5, sys_sleep_flag_sram |
| ldr x1, [x5, #PSRAM_DT_SP] |
| mov sp, x1 |
| ddr_resume: |
| ldr x1, [x5, #PSRAM_DT_DDR_FUNC] |
| cmp x1, #0 |
| b.eq sys_resume |
| blr x1 |
| sys_resume: |
| ldr x1, =bl31_warm_entrypoint |
| br x1 |
| endfunc pmu_cpuson_entrypoint |
| |
| .section .pmusram.data, "a" |
| .align 3 |
| sys_sleep_flag_sram: |
| .rept PSRAM_DT_SIZE_WORDS |
| .word 0 |
| .endr |
