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arc: implement slave cores kick-start for Linux kernel
[people/ms/u-boot.git] / arch / arc / lib / init_helpers.c
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1/*
2 * Copyright (C) 2013-2015 Synopsys, Inc. All rights reserved.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
8
9DECLARE_GLOBAL_DATA_PTR;
10
11int init_cache_f_r(void)
12{
13#ifndef CONFIG_SYS_ICACHE_OFF
14 icache_enable();
15 /* Make sure no stale entries persist from before we disabled cache */
16 invalidate_icache_all();
17#endif
18
19#ifndef CONFIG_SYS_DCACHE_OFF
20 dcache_enable();
21 /* Make sure no stale entries persist from before we disabled cache */
22 invalidate_dcache_all();
23#endif
24 return 0;
25}