1/* SPDX-License-Identifier: BSD-3-Clause */ 2/* 3 * Copyright (c) 2018, STMicroelectronics 4 */ 5 6#include <arm32.h> 7#include <arm32_macros.S> 8#include <asm.S> 9#include <kernel/unwind.h> 10 11.section .text 12.balign 4 13.code 32 14 15#define STM32MP1_NSACR_PRESERVE_MASK (0xfff << 20) 16 17FUNC plat_cpu_reset_early , : 18UNWIND( .fnstart) 19 ldr r0, =SCR_SIF 20 write_scr r0 21 22 read_nsacr r0 23 mov_imm r1, STM32MP1_NSACR_PRESERVE_MASK 24 and r0, r0, r1 25 write_nsacr r0 26 27 isb 28 bx lr 29UNWIND( .fnend) 30END_FUNC plat_cpu_reset_early 31