1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2008 - 2013 Tensilica Inc.
4 * (C) Copyright 2014 - 2016 Cadence Design Systems Inc.
5 */
6
7#include <common.h>
8#include <cpu_func.h>
9#include <asm/cache.h>
10
11/*
12 * We currently run always with caches enabled when running from memory.
13 * Xtensa version D or later will support changing cache behavior, so
14 * we could implement it if necessary.
15 */
16
17int dcache_status(void)
18{
19	return 1;
20}
21
22void dcache_enable(void)
23{
24}
25
26void dcache_disable(void)
27{
28}
29
30void flush_cache(ulong start_addr, ulong size)
31{
32	__flush_invalidate_dcache_range(start_addr, size);
33	__invalidate_icache_range(start_addr, size);
34}
35
36void flush_dcache_all(void)
37{
38	__flush_dcache_all();
39	__invalidate_icache_all();
40}
41
42void flush_dcache_range(ulong start_addr, ulong end_addr)
43{
44	__flush_invalidate_dcache_range(start_addr, end_addr - start_addr);
45}
46
47void invalidate_dcache_range(ulong start, ulong stop)
48{
49	__invalidate_dcache_range(start, stop - start);
50}
51
52void invalidate_dcache_all(void)
53{
54	__invalidate_dcache_all();
55}
56
57void invalidate_icache_all(void)
58{
59	__invalidate_icache_all();
60}
61