1 /* 2 * arch/arm/include/asm/outercache.h 3 * 4 * Copyright (C) 2010 ARM Ltd. 5 * Written by Catalin Marinas <[email protected]> 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 }; 29 30 #ifdef CONFIG_OUTER_CACHE 31 32 extern struct outer_cache_fns outer_cache; 33 34 static inline void outer_inv_range(unsigned long start, unsigned long end) 35 { 36 if (outer_cache.inv_range) 37 outer_cache.inv_range(start, end); 38 } 39 static inline void outer_clean_range(unsigned long start, unsigned long end) 40 { 41 if (outer_cache.clean_range) 42 outer_cache.clean_range(start, end); 43 } 44 static inline void outer_flush_range(unsigned long start, unsigned long end) 45 { 46 if (outer_cache.flush_range) 47 outer_cache.flush_range(start, end); 48 } 49 50 #else 51 52 static inline void outer_inv_range(unsigned long start, unsigned long end) 53 { } 54 static inline void outer_clean_range(unsigned long start, unsigned long end) 55 { } 56 static inline void outer_flush_range(unsigned long start, unsigned long end) 57 { } 58 59 #endif 60 61 #endif /* __ASM_OUTERCACHE_H */ 62