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Diffstat (limited to 'include/asm-sh/cpu-sh3/cacheflush.h')
-rw-r--r-- | include/asm-sh/cpu-sh3/cacheflush.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/include/asm-sh/cpu-sh3/cacheflush.h b/include/asm-sh/cpu-sh3/cacheflush.h deleted file mode 100644 index f70d8ef76a15..000000000000 --- a/include/asm-sh/cpu-sh3/cacheflush.h +++ /dev/null | |||
@@ -1,70 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-sh/cpu-sh3/cacheflush.h | ||
3 | * | ||
4 | * Copyright (C) 1999 Niibe Yutaka | ||
5 | * | ||
6 | * This file is subject to the terms and conditions of the GNU General Public | ||
7 | * License. See the file "COPYING" in the main directory of this archive | ||
8 | * for more details. | ||
9 | */ | ||
10 | #ifndef __ASM_CPU_SH3_CACHEFLUSH_H | ||
11 | #define __ASM_CPU_SH3_CACHEFLUSH_H | ||
12 | |||
13 | /* | ||
14 | * Cache flushing: | ||
15 | * | ||
16 | * - flush_cache_all() flushes entire cache | ||
17 | * - flush_cache_mm(mm) flushes the specified mm context's cache lines | ||
18 | * - flush_cache_dup mm(mm) handles cache flushing when forking | ||
19 | * - flush_cache_page(mm, vmaddr, pfn) flushes a single page | ||
20 | * - flush_cache_range(vma, start, end) flushes a range of pages | ||
21 | * | ||
22 | * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache | ||
23 | * - flush_icache_range(start, end) flushes(invalidates) a range for icache | ||
24 | * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache | ||
25 | * | ||
26 | * Caches are indexed (effectively) by physical address on SH-3, so | ||
27 | * we don't need them. | ||
28 | */ | ||
29 | |||
30 | #if defined(CONFIG_SH7705_CACHE_32KB) | ||
31 | |||
32 | /* SH7705 is an SH3 processor with 32KB cache. This has alias issues like the | ||
33 | * SH4. Unlike the SH4 this is a unified cache so we need to do some work | ||
34 | * in mmap when 'exec'ing a new binary | ||
35 | */ | ||
36 | /* 32KB cache, 4kb PAGE sizes need to check bit 12 */ | ||
37 | #define CACHE_ALIAS 0x00001000 | ||
38 | |||
39 | #define PG_mapped PG_arch_1 | ||
40 | |||
41 | void flush_cache_all(void); | ||
42 | void flush_cache_mm(struct mm_struct *mm); | ||
43 | #define flush_cache_dup_mm(mm) flush_cache_mm(mm) | ||
44 | void flush_cache_range(struct vm_area_struct *vma, unsigned long start, | ||
45 | unsigned long end); | ||
46 | void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); | ||
47 | void flush_dcache_page(struct page *pg); | ||
48 | void flush_icache_range(unsigned long start, unsigned long end); | ||
49 | void flush_icache_page(struct vm_area_struct *vma, struct page *page); | ||
50 | #else | ||
51 | #define flush_cache_all() do { } while (0) | ||
52 | #define flush_cache_mm(mm) do { } while (0) | ||
53 | #define flush_cache_dup_mm(mm) do { } while (0) | ||
54 | #define flush_cache_range(vma, start, end) do { } while (0) | ||
55 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | ||
56 | #define flush_dcache_page(page) do { } while (0) | ||
57 | #define flush_icache_range(start, end) do { } while (0) | ||
58 | #define flush_icache_page(vma,pg) do { } while (0) | ||
59 | #endif | ||
60 | |||
61 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
62 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
63 | |||
64 | /* SH3 has unified cache so no special action needed here */ | ||
65 | #define flush_cache_sigtramp(vaddr) do { } while (0) | ||
66 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
67 | |||
68 | #define p3_cache_init() do { } while (0) | ||
69 | |||
70 | #endif /* __ASM_CPU_SH3_CACHEFLUSH_H */ | ||