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-rw-r--r--arch/frv/mm/kmap.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/frv/mm/kmap.c b/arch/frv/mm/kmap.c
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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
34void *__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 */
42void 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 */
51void __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 */
60void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
61{
62}