1 #ifndef _M68KNOMMU_CACHEFLUSH_H
2 #define _M68KNOMMU_CACHEFLUSH_H
5 * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com>
8 #if defined(CONFIG_M5407) || defined(CONFIG_M548x)
9 #include <asm/m54xxacr.h>
12 #define flush_cache_all() __flush_cache_all()
13 #define flush_cache_mm(mm) do { } while (0)
14 #define flush_cache_dup_mm(mm) do { } while (0)
15 #define flush_cache_range(vma, start, end) __flush_cache_all()
16 #define flush_cache_page(vma, vmaddr) do { } while (0)
17 #ifndef flush_dcache_range
18 #define flush_dcache_range(start,len) __flush_cache_all()
20 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
21 #define flush_dcache_page(page) do { } while (0)
22 #define flush_dcache_mmap_lock(mapping) do { } while (0)
23 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
24 #define flush_icache_range(start,len) __flush_cache_all()
25 #define flush_icache_page(vma,pg) do { } while (0)
26 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
27 #define flush_cache_vmap(start, end) do { } while (0)
28 #define flush_cache_vunmap(start, end) do { } while (0)
30 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
32 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
35 #ifndef __flush_cache_all
36 static inline void __flush_cache_all(void)
38 #if defined(CONFIG_M523x) || defined(CONFIG_M527x)
39 __asm__ __volatile__ (
40 "movel #0x81400100, %%d0\n\t"
41 "movec %%d0, %%CACR\n\t"
44 #endif /* CONFIG_M523x || CONFIG_M527x */
45 #if defined(CONFIG_M528x)
46 __asm__ __volatile__ (
47 "movel #0x81000200, %%d0\n\t"
48 "movec %%d0, %%CACR\n\t"
51 #endif /* CONFIG_M528x */
52 #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272)
53 __asm__ __volatile__ (
54 "movel #0x81000100, %%d0\n\t"
55 "movec %%d0, %%CACR\n\t"
58 #endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */
60 __asm__ __volatile__ (
61 "movel #0xa1000200, %%d0\n\t"
62 "movec %%d0, %%CACR\n\t"
65 #endif /* CONFIG_M5249 */
67 __asm__ __volatile__ (
68 "movel #0x81000200, %%d0\n\t"
69 "movec %%d0, %%CACR\n\t"
72 #endif /* CONFIG_M532x */
74 #endif /* __flush_cache_all */
76 #endif /* _M68KNOMMU_CACHEFLUSH_H */