You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.4 KiB
71 lines
1.4 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <arch.h>
|
||
|
|
#include <asm_macros.S>
|
||
|
|
#include <cortex_a53.h>
|
||
|
|
#include <hi6220.h>
|
||
|
|
#include <hisi_sram_map.h>
|
||
|
|
|
||
|
|
.global pm_asm_code
|
||
|
|
.global pm_asm_code_end
|
||
|
|
.global v7_asm
|
||
|
|
.global v7_asm_end
|
||
|
|
|
||
|
|
func pm_asm_code _align=3
|
||
|
|
mov x0, 0
|
||
|
|
msr oslar_el1, x0
|
||
|
|
|
||
|
|
mrs x0, CORTEX_A53_CPUACTLR_EL1
|
||
|
|
bic x0, x0, #(CORTEX_A53_CPUACTLR_EL1_RADIS | \
|
||
|
|
CORTEX_A53_CPUACTLR_EL1_L1RADIS)
|
||
|
|
orr x0, x0, #0x180000
|
||
|
|
orr x0, x0, #0xe000
|
||
|
|
msr CORTEX_A53_CPUACTLR_EL1, x0
|
||
|
|
|
||
|
|
mrs x3, actlr_el3
|
||
|
|
orr x3, x3, #ACTLR_EL3_L2ECTLR_BIT
|
||
|
|
msr actlr_el3, x3
|
||
|
|
|
||
|
|
mrs x3, actlr_el2
|
||
|
|
orr x3, x3, #ACTLR_EL2_L2ECTLR_BIT
|
||
|
|
msr actlr_el2, x3
|
||
|
|
|
||
|
|
ldr x3, =PWRCTRL_ACPU_ASM_D_ARM_PARA_AD
|
||
|
|
mrs x0, mpidr_el1
|
||
|
|
and x1, x0, #MPIDR_CPU_MASK
|
||
|
|
and x0, x0, #MPIDR_CLUSTER_MASK
|
||
|
|
add x0, x1, x0, LSR #6
|
||
|
|
pen: ldr x4, [x3, x0, LSL #3]
|
||
|
|
cbz x4, pen
|
||
|
|
|
||
|
|
mov x0, #0x0
|
||
|
|
mov x1, #0x0
|
||
|
|
mov x2, #0x0
|
||
|
|
mov x3, #0x0
|
||
|
|
br x4
|
||
|
|
|
||
|
|
.ltorg
|
||
|
|
|
||
|
|
pm_asm_code_end:
|
||
|
|
endfunc pm_asm_code
|
||
|
|
|
||
|
|
/*
|
||
|
|
* By default, all cores in Hi6220 reset with aarch32 mode.
|
||
|
|
* Now hardcode ARMv7 instructions to execute warm reset for
|
||
|
|
* switching aarch64 mode.
|
||
|
|
*/
|
||
|
|
.align 3
|
||
|
|
.section .rodata.v7_asm, "aS"
|
||
|
|
v7_asm:
|
||
|
|
.word 0xE1A00000 // nop
|
||
|
|
.word 0xE3A02003 // mov r2, #3
|
||
|
|
.word 0xEE0C2F50 // mcr 15, 0, r2, cr12, cr0, {2}
|
||
|
|
.word 0xE320F003 // wfi
|
||
|
|
|
||
|
|
.ltorg
|
||
|
|
v7_asm_end:
|