// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2021 ArtInChip Technology Co., Ltd * Author: Dehuang Wu */ #include #include #include #include #include /* * 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; }