| /* 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 |