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010d6ae338
px30 is a Quad-core soc and Cortex-a53 inside. This patch supports the following functions: 1. basic platform setup 2. power up/off cpus 3. suspend/resume cpus 4. suspend/resume system 5. reset system 6. power off system Change-Id: I73d55aa978096c078242be921abe0ddca9e8f67e Signed-off-by: XiaoDong Huang <derrick.huang@rock-chips.com>
48 lines
945 B
ArmAsm
48 lines
945 B
ArmAsm
/*
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* Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <platform_def.h>
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#include <cpus_on_fixed_addr.h>
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.globl sys_sleep_flag_sram
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.globl pmu_cpuson_entrypoint
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.macro pmusram_entry_func _name
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.section .pmusram.entry, "ax"
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.type \_name, %function
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.cfi_startproc
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\_name:
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.endm
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pmusram_entry_func pmu_cpuson_entrypoint
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adr x5, sys_sleep_flag_sram
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ldr w2, [x5, #PSRAM_DT_PM_FLAG]
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tbz w2, #PM_WARM_BOOT_SHT, sys_resume_sp
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ldr x1, =platform_cpu_warmboot
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br x1
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sys_resume_sp:
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adr x5, sys_sleep_flag_sram
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ldr x1, [x5, #PSRAM_DT_SP]
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mov sp, x1
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ddr_resume:
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ldr x1, [x5, #PSRAM_DT_DDR_FUNC]
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cmp x1, #0
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b.eq sys_resume
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blr x1
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sys_resume:
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ldr x1, =bl31_warm_entrypoint
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br x1
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endfunc pmu_cpuson_entrypoint
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.section .pmusram.data, "a"
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.align 3
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sys_sleep_flag_sram:
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.rept PSRAM_DT_SIZE_WORDS
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.word 0
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.endr
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