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 void (*resume)(void); 38 }; 39 40 extern struct outer_cache_fns outer_cache; 41 42 #ifdef CONFIG_OUTER_CACHE 43 44 static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) 45 { 46 if (outer_cache.inv_range) 47 outer_cache.inv_range(start, end); 48 } 49 static inline void outer_clean_range(phys_addr_t start, phys_addr_t end) 50 { 51 if (outer_cache.clean_range) 52 outer_cache.clean_range(start, end); 53 } 54 static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) 55 { 56 if (outer_cache.flush_range) 57 outer_cache.flush_range(start, end); 58 } 59 60 static inline void outer_flush_all(void) 61 { 62 if (outer_cache.flush_all) 63 outer_cache.flush_all(); 64 } 65 66 static inline void outer_inv_all(void) 67 { 68 if (outer_cache.inv_all) 69 outer_cache.inv_all(); 70 } 71 72 static inline void outer_disable(void) 73 { 74 if (outer_cache.disable) 75 outer_cache.disable(); 76 } 77 78 static inline void outer_resume(void) 79 { 80 if (outer_cache.resume) 81 outer_cache.resume(); 82 } 83 84 #else 85 86 static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) 87 { } 88 static inline void outer_clean_range(phys_addr_t start, phys_addr_t end) 89 { } 90 static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) 91 { } 92 static inline void outer_flush_all(void) { } 93 static inline void outer_inv_all(void) { } 94 static inline void outer_disable(void) { } 95 static inline void outer_resume(void) { } 96 97 #endif 98 99 #ifdef CONFIG_OUTER_CACHE_SYNC 100 static inline void outer_sync(void) 101 { 102 if (outer_cache.sync) 103 outer_cache.sync(); 104 } 105 #else 106 static inline void outer_sync(void) 107 { } 108 #endif 109 110 #endif /* __ASM_OUTERCACHE_H */ 111