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- /*
- * 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
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