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 void (*set_debug)(unsigned long); 35 }; 36 37 #ifdef CONFIG_OUTER_CACHE 38 39 extern struct outer_cache_fns outer_cache; 40 41 static inline void outer_inv_range(unsigned long start, unsigned long end) 42 { 43 if (outer_cache.inv_range) 44 outer_cache.inv_range(start, end); 45 } 46 static inline void outer_clean_range(unsigned long start, unsigned long end) 47 { 48 if (outer_cache.clean_range) 49 outer_cache.clean_range(start, end); 50 } 51 static inline void outer_flush_range(unsigned long start, unsigned long end) 52 { 53 if (outer_cache.flush_range) 54 outer_cache.flush_range(start, end); 55 } 56 57 static inline void outer_flush_all(void) 58 { 59 if (outer_cache.flush_all) 60 outer_cache.flush_all(); 61 } 62 63 static inline void outer_inv_all(void) 64 { 65 if (outer_cache.inv_all) 66 outer_cache.inv_all(); 67 } 68 69 static inline void outer_disable(void) 70 { 71 if (outer_cache.disable) 72 outer_cache.disable(); 73 } 74 75 #else 76 77 static inline void outer_inv_range(unsigned long start, unsigned long end) 78 { } 79 static inline void outer_clean_range(unsigned long start, unsigned long end) 80 { } 81 static inline void outer_flush_range(unsigned long start, unsigned long end) 82 { } 83 static inline void outer_flush_all(void) { } 84 static inline void outer_inv_all(void) { } 85 static inline void outer_disable(void) { } 86 87 #endif 88 89 #ifdef CONFIG_OUTER_CACHE_SYNC 90 static inline void outer_sync(void) 91 { 92 if (outer_cache.sync) 93 outer_cache.sync(); 94 } 95 #else 96 static inline void outer_sync(void) 97 { } 98 #endif 99 100 #endif /* __ASM_OUTERCACHE_H */ 101