diff options
Diffstat (limited to 'arch/frv/mm/kmap.c')
-rw-r--r-- | arch/frv/mm/kmap.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/frv/mm/kmap.c b/arch/frv/mm/kmap.c new file mode 100644 index 000000000000..539f45e6d15e --- /dev/null +++ b/arch/frv/mm/kmap.c | |||
@@ -0,0 +1,62 @@ | |||
1 | /* kmap.c: ioremapping handlers | ||
2 | * | ||
3 | * Copyright (C) 2003-5 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * - Derived from arch/m68k/mm/kmap.c | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public License | ||
9 | * as published by the Free Software Foundation; either version | ||
10 | * 2 of the License, or (at your option) any later version. | ||
11 | */ | ||
12 | |||
13 | #include <linux/config.h> | ||
14 | #include <linux/mm.h> | ||
15 | #include <linux/kernel.h> | ||
16 | #include <linux/string.h> | ||
17 | #include <linux/types.h> | ||
18 | #include <linux/vmalloc.h> | ||
19 | |||
20 | #include <asm/setup.h> | ||
21 | #include <asm/segment.h> | ||
22 | #include <asm/page.h> | ||
23 | #include <asm/pgalloc.h> | ||
24 | #include <asm/io.h> | ||
25 | #include <asm/system.h> | ||
26 | |||
27 | #undef DEBUG | ||
28 | |||
29 | /*****************************************************************************/ | ||
30 | /* | ||
31 | * Map some physical address range into the kernel address space. | ||
32 | */ | ||
33 | |||
34 | void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag) | ||
35 | { | ||
36 | return (void *)physaddr; | ||
37 | } | ||
38 | |||
39 | /* | ||
40 | * Unmap a ioremap()ed region again | ||
41 | */ | ||
42 | void iounmap(void *addr) | ||
43 | { | ||
44 | } | ||
45 | |||
46 | /* | ||
47 | * __iounmap unmaps nearly everything, so be careful | ||
48 | * it doesn't free currently pointer/page tables anymore but it | ||
49 | * wans't used anyway and might be added later. | ||
50 | */ | ||
51 | void __iounmap(void *addr, unsigned long size) | ||
52 | { | ||
53 | } | ||
54 | |||
55 | /* | ||
56 | * Set new cache mode for some kernel address space. | ||
57 | * The caller must push data for that range itself, if such data may already | ||
58 | * be in the cache. | ||
59 | */ | ||
60 | void kernel_set_cachemode(void *addr, unsigned long size, int cmode) | ||
61 | { | ||
62 | } | ||