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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2019 Broadcom Ltd.
*
*/
#include <linux/linkage.h>
#include <asm/macro.h>
#ifndef CONFIG_TPL_BUILD
.align 8
.global boot_params
boot_params:
.word 0x0
.global save_boot_params
save_boot_params:
#ifdef CONFIG_ARM64
ldr x10, =0xd0deed
cmp x9, x10
bne 1f
adr x8, boot_params
ldr w9, [x8]
orr w9, w9, #0x1
str w9, [x8]
#else
ldr r10,=0xd0deed
cmp r9, r10
bne 1f
ldr r9, boot_params
orr r9, r9, #0x1
str r9, boot_params
#endif
1:
/* Returns */
b save_boot_params_ret
#endif
#if defined(CONFIG_TPL_ATF) && defined(CONFIG_ARM64)
/*
* Called by armv8_switch_to_el2 to switch from el2 to el1
* aarch32. When ATF support this switch, we can remove
* this function
*/
ENTRY(armv8_el2_to_aarch32)
armv8_switch_to_el1_m x4, x5, x6
ENDPROC(armv8_el2_to_aarch32)
#endif
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