Linux kernel mirror (for testing)
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linux
1/*
2 * arch/arm/include/asm/outercache.h
3 *
4 * Copyright (C) 2010 ARM Ltd.
5 * Written by Catalin Marinas <catalin.marinas@arm.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef __ASM_OUTERCACHE_H
22#define __ASM_OUTERCACHE_H
23
24#include <linux/types.h>
25
26struct outer_cache_fns {
27 void (*inv_range)(unsigned long, unsigned long);
28 void (*clean_range)(unsigned long, unsigned long);
29 void (*flush_range)(unsigned long, unsigned long);
30 void (*flush_all)(void);
31 void (*inv_all)(void);
32 void (*disable)(void);
33#ifdef CONFIG_OUTER_CACHE_SYNC
34 void (*sync)(void);
35#endif
36 void (*set_debug)(unsigned long);
37 void (*resume)(void);
38};
39
40#ifdef CONFIG_OUTER_CACHE
41
42extern struct outer_cache_fns outer_cache;
43
44static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
45{
46 if (outer_cache.inv_range)
47 outer_cache.inv_range(start, end);
48}
49static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
50{
51 if (outer_cache.clean_range)
52 outer_cache.clean_range(start, end);
53}
54static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
55{
56 if (outer_cache.flush_range)
57 outer_cache.flush_range(start, end);
58}
59
60static inline void outer_flush_all(void)
61{
62 if (outer_cache.flush_all)
63 outer_cache.flush_all();
64}
65
66static inline void outer_inv_all(void)
67{
68 if (outer_cache.inv_all)
69 outer_cache.inv_all();
70}
71
72static inline void outer_disable(void)
73{
74 if (outer_cache.disable)
75 outer_cache.disable();
76}
77
78static inline void outer_resume(void)
79{
80 if (outer_cache.resume)
81 outer_cache.resume();
82}
83
84#else
85
86static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
87{ }
88static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
89{ }
90static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
91{ }
92static inline void outer_flush_all(void) { }
93static inline void outer_inv_all(void) { }
94static inline void outer_disable(void) { }
95
96#endif
97
98#ifdef CONFIG_OUTER_CACHE_SYNC
99static inline void outer_sync(void)
100{
101 if (outer_cache.sync)
102 outer_cache.sync();
103}
104#else
105static inline void outer_sync(void)
106{ }
107#endif
108
109#endif /* __ASM_OUTERCACHE_H */