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 struct outer_cache_fns { 25 void (*inv_range)(unsigned long, unsigned long); 26 void (*clean_range)(unsigned long, unsigned long); 27 void (*flush_range)(unsigned long, unsigned long); 28 void (*flush_all)(void); 29 void (*inv_all)(void); 30 void (*disable)(void); 31 #ifdef CONFIG_OUTER_CACHE_SYNC 32 void (*sync)(void); 33 #endif 34 }; 35 36 #ifdef CONFIG_OUTER_CACHE 37 38 extern struct outer_cache_fns outer_cache; 39 40 static inline void outer_inv_range(unsigned long start, unsigned long end) 41 { 42 if (outer_cache.inv_range) 43 outer_cache.inv_range(start, end); 44 } 45 static inline void outer_clean_range(unsigned long start, unsigned long end) 46 { 47 if (outer_cache.clean_range) 48 outer_cache.clean_range(start, end); 49 } 50 static inline void outer_flush_range(unsigned long start, unsigned long end) 51 { 52 if (outer_cache.flush_range) 53 outer_cache.flush_range(start, end); 54 } 55 56 static inline void outer_flush_all(void) 57 { 58 if (outer_cache.flush_all) 59 outer_cache.flush_all(); 60 } 61 62 static inline void outer_inv_all(void) 63 { 64 if (outer_cache.inv_all) 65 outer_cache.inv_all(); 66 } 67 68 static inline void outer_disable(void) 69 { 70 if (outer_cache.disable) 71 outer_cache.disable(); 72 } 73 74 #else 75 76 static inline void outer_inv_range(unsigned long start, unsigned long end) 77 { } 78 static inline void outer_clean_range(unsigned long start, unsigned long end) 79 { } 80 static inline void outer_flush_range(unsigned long start, unsigned long end) 81 { } 82 static inline void outer_flush_all(void) { } 83 static inline void outer_inv_all(void) { } 84 static inline void outer_disable(void) { } 85 86 #endif 87 88 #ifdef CONFIG_OUTER_CACHE_SYNC 89 static inline void outer_sync(void) 90 { 91 if (outer_cache.sync) 92 outer_cache.sync(); 93 } 94 #else 95 static inline void outer_sync(void) 96 { } 97 #endif 98 99 #endif /* __ASM_OUTERCACHE_H */ 100