| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2017 Andes Technology Corporation |
| * Rick Chen, Andes Technology Corporation <rick@andestech.com> |
| */ |
| |
| /* CPU specific code */ |
| #include <common.h> |
| #include <cpu_func.h> |
| #include <asm/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; |
| } |