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 24struct 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#ifdef CONFIG_OUTER_CACHE_SYNC 29 void (*sync)(void); 30#endif 31}; 32 33#ifdef CONFIG_OUTER_CACHE 34 35extern struct outer_cache_fns outer_cache; 36 37static inline void outer_inv_range(unsigned long start, unsigned long end) 38{ 39 if (outer_cache.inv_range) 40 outer_cache.inv_range(start, end); 41} 42static inline void outer_clean_range(unsigned long start, unsigned long end) 43{ 44 if (outer_cache.clean_range) 45 outer_cache.clean_range(start, end); 46} 47static inline void outer_flush_range(unsigned long start, unsigned long end) 48{ 49 if (outer_cache.flush_range) 50 outer_cache.flush_range(start, end); 51} 52 53#else 54 55static inline void outer_inv_range(unsigned long start, unsigned long end) 56{ } 57static inline void outer_clean_range(unsigned long start, unsigned long end) 58{ } 59static inline void outer_flush_range(unsigned long start, unsigned long end) 60{ } 61 62#endif 63 64#ifdef CONFIG_OUTER_CACHE_SYNC 65static inline void outer_sync(void) 66{ 67 if (outer_cache.sync) 68 outer_cache.sync(); 69} 70#else 71static inline void outer_sync(void) 72{ } 73#endif 74 75#endif /* __ASM_OUTERCACHE_H */ 76