diff options
Diffstat (limited to '')
| -rw-r--r-- | plat/rockchip/common/pmusram/cpus_on_fixed_addr.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/plat/rockchip/common/pmusram/cpus_on_fixed_addr.S b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.S new file mode 100644 index 0000000..6cea2ea --- /dev/null +++ b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.S @@ -0,0 +1,48 @@ +/* + * 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 |