/* SPDX-License-Identifier: BSD-3-Clause */ | |
/* | |
* Copyright (c) 2018, STMicroelectronics | |
*/ | |
#include <arm32.h> | |
#include <arm32_macros.S> | |
#include <asm.S> | |
#include <kernel/unwind.h> | |
.section .text | |
.balign 4 | |
.code 32 | |
#define STM32MP1_NSACR_PRESERVE_MASK (0xfff << 20) | |
FUNC plat_cpu_reset_early , : | |
UNWIND( .fnstart) | |
ldr r0, =SCR_SIF | |
write_scr r0 | |
read_nsacr r0 | |
mov_imm r1, STM32MP1_NSACR_PRESERVE_MASK | |
and r0, r0, r1 | |
write_nsacr r0 | |
isb | |
bx lr | |
UNWIND( .fnend) | |
END_FUNC plat_cpu_reset_early |