linuxOS_D21X/source/uboot-2021.10/arch/riscv/cpu/c906/cpu.c
2024-11-29 16:13:46 +08:00

30 lines
551 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2021 ArtInChip Technology Co., Ltd
* Author: Dehuang Wu <dehuang.wu@artinchip.com>
*/
#include <common.h>
#include <cpu_func.h>
#include <irq_func.h>
#include <asm/cache.h>
#include <cache.h>
/*
* cleanup_before_linux() is called just before we call linux
* it prepares the processor for linux
*
* we disable interrupt and caches.
*/
int cleanup_before_linux(void)
{
disable_interrupts();
/* turn off I/D-cache */
cache_flush();
icache_disable();
dcache_disable();
return 0;
}