m68knommu: fix 528x ColdFire cache settings
[linux-2.6/linux-2.6-openrd.git] / include / asm-m68knommu / cacheflush.h
blob29bc0aad2ebc7fb5c69bdcf34ebbd739a9a9f18a
1 #ifndef _M68KNOMMU_CACHEFLUSH_H
2 #define _M68KNOMMU_CACHEFLUSH_H
4 /*
5 * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com>
6 */
7 #include <linux/mm.h>
9 #define flush_cache_all() __flush_cache_all()
10 #define flush_cache_mm(mm) do { } while (0)
11 #define flush_cache_dup_mm(mm) do { } while (0)
12 #define flush_cache_range(vma, start, end) __flush_cache_all()
13 #define flush_cache_page(vma, vmaddr) do { } while (0)
14 #define flush_dcache_range(start,len) __flush_cache_all()
15 #define flush_dcache_page(page) do { } while (0)
16 #define flush_dcache_mmap_lock(mapping) do { } while (0)
17 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
18 #define flush_icache_range(start,len) __flush_cache_all()
19 #define flush_icache_page(vma,pg) do { } while (0)
20 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
21 #define flush_cache_vmap(start, end) do { } while (0)
22 #define flush_cache_vunmap(start, end) do { } while (0)
24 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
25 memcpy(dst, src, len)
26 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
27 memcpy(dst, src, len)
29 static inline void __flush_cache_all(void)
31 #ifdef CONFIG_M5407
33 * Use cpushl to push and invalidate all cache lines.
34 * Gas doesn't seem to know how to generate the ColdFire
35 * cpushl instruction... Oh well, bit stuff it for now.
37 __asm__ __volatile__ (
38 "nop\n\t"
39 "clrl %%d0\n\t"
40 "1:\n\t"
41 "movel %%d0,%%a0\n\t"
42 "2:\n\t"
43 ".word 0xf468\n\t"
44 "addl #0x10,%%a0\n\t"
45 "cmpl #0x00000800,%%a0\n\t"
46 "blt 2b\n\t"
47 "addql #1,%%d0\n\t"
48 "cmpil #4,%%d0\n\t"
49 "bne 1b\n\t"
50 "movel #0xb6088500,%%d0\n\t"
51 "movec %%d0,%%CACR\n\t"
52 : : : "d0", "a0" );
53 #endif /* CONFIG_M5407 */
54 #if defined(CONFIG_M527x) || defined(CONFIG_M528x)
55 __asm__ __volatile__ (
56 "movel #0x81000200, %%d0\n\t"
57 "movec %%d0, %%CACR\n\t"
58 "nop\n\t"
59 : : : "d0" );
60 #endif /* CONFIG_M527x || CONFIG_M528x */
61 #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272)
62 __asm__ __volatile__ (
63 "movel #0x81000100, %%d0\n\t"
64 "movec %%d0, %%CACR\n\t"
65 "nop\n\t"
66 : : : "d0" );
67 #endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */
68 #ifdef CONFIG_M5249
69 __asm__ __volatile__ (
70 "movel #0xa1000200, %%d0\n\t"
71 "movec %%d0, %%CACR\n\t"
72 "nop\n\t"
73 : : : "d0" );
74 #endif /* CONFIG_M5249 */
75 #ifdef CONFIG_M532x
76 __asm__ __volatile__ (
77 "movel #0x81000200, %%d0\n\t"
78 "movec %%d0, %%CACR\n\t"
79 "nop\n\t"
80 : : : "d0" );
81 #endif /* CONFIG_M532x */
84 #endif /* _M68KNOMMU_CACHEFLUSH_H */