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 #include <linux/types.h> 25 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 34 void (*sync)(void); 35 #endif 36 void (*set_debug)(unsigned long); 37 }; 38 39 #ifdef CONFIG_OUTER_CACHE 40 41 extern struct outer_cache_fns outer_cache; 42 43 static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) 44 { 45 if (outer_cache.inv_range) 46 outer_cache.inv_range(start, end); 47 } 48 static inline void outer_clean_range(phys_addr_t start, phys_addr_t end) 49 { 50 if (outer_cache.clean_range) 51 outer_cache.clean_range(start, end); 52 } 53 static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) 54 { 55 if (outer_cache.flush_range) 56 outer_cache.flush_range(start, end); 57 } 58 59 static inline void outer_flush_all(void) 60 { 61 if (outer_cache.flush_all) 62 outer_cache.flush_all(); 63 } 64 65 static inline void outer_inv_all(void) 66 { 67 if (outer_cache.inv_all) 68 outer_cache.inv_all(); 69 } 70 71 static inline void outer_disable(void) 72 { 73 if (outer_cache.disable) 74 outer_cache.disable(); 75 } 76 77 #else 78 79 static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) 80 { } 81 static inline void outer_clean_range(phys_addr_t start, phys_addr_t end) 82 { } 83 static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) 84 { } 85 static inline void outer_flush_all(void) { } 86 static inline void outer_inv_all(void) { } 87 static inline void outer_disable(void) { } 88 89 #endif 90 91 #ifdef CONFIG_OUTER_CACHE_SYNC 92 static inline void outer_sync(void) 93 { 94 if (outer_cache.sync) 95 outer_cache.sync(); 96 } 97 #else 98 static inline void outer_sync(void) 99 { } 100 #endif 101 102 #endif /* __ASM_OUTERCACHE_H */ 103