2 * arch/arm/include/asm/outercache.h
4 * Copyright (C) 2010 ARM Ltd.
5 * Written by Catalin Marinas <catalin.marinas@arm.com>
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.
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.
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
21 #ifndef __ASM_OUTERCACHE_H
22 #define __ASM_OUTERCACHE_H
24 #include <linux/types.h>
26 struct 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
36 void (*set_debug)(unsigned long);
40 extern struct outer_cache_fns outer_cache;
42 #ifdef CONFIG_OUTER_CACHE
44 static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
46 if (outer_cache.inv_range)
47 outer_cache.inv_range(start, end);
49 static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
51 if (outer_cache.clean_range)
52 outer_cache.clean_range(start, end);
54 static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
56 if (outer_cache.flush_range)
57 outer_cache.flush_range(start, end);
60 static inline void outer_flush_all(void)
62 if (outer_cache.flush_all)
63 outer_cache.flush_all();
66 static inline void outer_inv_all(void)
68 if (outer_cache.inv_all)
69 outer_cache.inv_all();
72 static inline void outer_disable(void)
74 if (outer_cache.disable)
75 outer_cache.disable();
78 static inline void outer_resume(void)
80 if (outer_cache.resume)
86 static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
88 static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
90 static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
92 static inline void outer_flush_all(void) { }
93 static inline void outer_inv_all(void) { }
94 static inline void outer_disable(void) { }
95 static inline void outer_resume(void) { }
99 #ifdef CONFIG_OUTER_CACHE_SYNC
100 static inline void outer_sync(void)
102 if (outer_cache.sync)
106 static inline void outer_sync(void)
110 #endif /* __ASM_OUTERCACHE_H */