diff options
Diffstat (limited to 'arch/h8300/mm/kmap.c')
-rw-r--r-- | arch/h8300/mm/kmap.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/h8300/mm/kmap.c b/arch/h8300/mm/kmap.c new file mode 100644 index 000000000000..4101ab54fc17 --- /dev/null +++ b/arch/h8300/mm/kmap.c | |||
@@ -0,0 +1,59 @@ | |||
1 | /* | ||
2 | * linux/arch/h8300/mm/kmap.c | ||
3 | * | ||
4 | * Based on | ||
5 | * linux/arch/m68knommu/mm/kmap.c | ||
6 | * | ||
7 | * Copyright (C) 2000 Lineo, <davidm@snapgear.com> | ||
8 | * Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com> | ||
9 | */ | ||
10 | |||
11 | #include <linux/config.h> | ||
12 | #include <linux/mm.h> | ||
13 | #include <linux/kernel.h> | ||
14 | #include <linux/string.h> | ||
15 | #include <linux/types.h> | ||
16 | #include <linux/slab.h> | ||
17 | #include <linux/vmalloc.h> | ||
18 | |||
19 | #include <asm/setup.h> | ||
20 | #include <asm/segment.h> | ||
21 | #include <asm/page.h> | ||
22 | #include <asm/pgalloc.h> | ||
23 | #include <asm/io.h> | ||
24 | #include <asm/system.h> | ||
25 | |||
26 | #undef DEBUG | ||
27 | |||
28 | /* | ||
29 | * Map some physical address range into the kernel address space. | ||
30 | */ | ||
31 | void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag) | ||
32 | { | ||
33 | return (void *)physaddr; | ||
34 | } | ||
35 | |||
36 | /* | ||
37 | * Unmap a ioremap()ed region again. | ||
38 | */ | ||
39 | void iounmap(void *addr) | ||
40 | { | ||
41 | } | ||
42 | |||
43 | /* | ||
44 | * __iounmap unmaps nearly everything, so be careful | ||
45 | * it doesn't free currently pointer/page tables anymore but it | ||
46 | * wans't used anyway and might be added later. | ||
47 | */ | ||
48 | void __iounmap(void *addr, unsigned long size) | ||
49 | { | ||
50 | } | ||
51 | |||
52 | /* | ||
53 | * Set new cache mode for some kernel address space. | ||
54 | * The caller must push data for that range itself, if such data may already | ||
55 | * be in the cache. | ||
56 | */ | ||
57 | void kernel_set_cachemode(void *addr, unsigned long size, int cmode) | ||
58 | { | ||
59 | } | ||