1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017 Andes Technology Corporation 4 * Rick Chen, Andes Technology Corporation <rick@andestech.com> 5 */ 6 7 /* CPU specific code */ 8 #include <common.h> 9 #include <asm/cache.h> 10 11 /* 12 * cleanup_before_linux() is called just before we call linux 13 * it prepares the processor for linux 14 * 15 * we disable interrupt and caches. 16 */ 17 int cleanup_before_linux(void) 18 { 19 disable_interrupts(); 20 21 /* turn off I/D-cache */ 22 cache_flush(); 23 icache_disable(); 24 dcache_disable(); 25 26 return 0; 27 } 28