xref: /openbmc/u-boot/arch/arc/lib/init_helpers.c (revision ed09a554)
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 
9 DECLARE_GLOBAL_DATA_PTR;
10 
11 int 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 }
26