xref: /rk3399_ARM-atf/plat/socionext/uniphier/uniphier_smp.S (revision 1502c4e157180613a736ff13c553e29cffd5168d)
1*d8e919c7SMasahiro Yamada/*
2*d8e919c7SMasahiro Yamada * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
3*d8e919c7SMasahiro Yamada *
4*d8e919c7SMasahiro Yamada * SPDX-License-Identifier: BSD-3-Clause
5*d8e919c7SMasahiro Yamada */
6*d8e919c7SMasahiro Yamada
7*d8e919c7SMasahiro Yamada#include <arch.h>
8*d8e919c7SMasahiro Yamada#include <asm_macros.S>
9*d8e919c7SMasahiro Yamada
10*d8e919c7SMasahiro Yamada	.globl	uniphier_warmboot_entrypoint
11*d8e919c7SMasahiro Yamada	.globl	uniphier_fake_pwr_down
12*d8e919c7SMasahiro Yamada
13*d8e919c7SMasahiro Yamadafunc uniphier_warmboot_entrypoint
14*d8e919c7SMasahiro Yamada	mrs	x0, mpidr_el1
15*d8e919c7SMasahiro Yamada	mov_imm	x1, MPIDR_AFFINITY_MASK
16*d8e919c7SMasahiro Yamada	and	x0, x0, x1
17*d8e919c7SMasahiro Yamada	b	1f
18*d8e919c7SMasahiro Yamada0:	wfe
19*d8e919c7SMasahiro Yamada1:	ldr	x1, uniphier_holding_pen_release
20*d8e919c7SMasahiro Yamada	cmp	x1, x0
21*d8e919c7SMasahiro Yamada	b.ne	0b
22*d8e919c7SMasahiro Yamada	ldr	x0, uniphier_sec_entrypoint
23*d8e919c7SMasahiro Yamada	br	x0
24*d8e919c7SMasahiro Yamadaendfunc uniphier_warmboot_entrypoint
25*d8e919c7SMasahiro Yamada
26*d8e919c7SMasahiro Yamadafunc uniphier_fake_pwr_down
27*d8e919c7SMasahiro Yamada	bl	disable_mmu_icache_el3
28*d8e919c7SMasahiro Yamada	b	uniphier_warmboot_entrypoint
29*d8e919c7SMasahiro Yamadaendfunc uniphier_fake_pwr_down
30