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Commit | Line | Data |
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1da177e4 LT |
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 | ||
1da177e4 LT |
11 | #include <linux/mm.h> |
12 | #include <linux/kernel.h> | |
13 | #include <linux/string.h> | |
14 | #include <linux/types.h> | |
1da177e4 LT |
15 | #include <linux/vmalloc.h> |
16 | ||
17 | #include <asm/setup.h> | |
18 | #include <asm/segment.h> | |
19 | #include <asm/page.h> | |
20 | #include <asm/pgalloc.h> | |
21 | #include <asm/io.h> | |
22 | #include <asm/system.h> | |
23 | ||
24 | #undef DEBUG | |
25 | ||
c728d604 YS |
26 | #define VIRT_OFFSET (0x01000000) |
27 | ||
1da177e4 LT |
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 | { | |
c728d604 | 33 | return (void *)(physaddr + VIRT_OFFSET); |
1da177e4 LT |
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 | } |