blob: bc32f38843f0a1cf1ca5c138129a825cfefdb1d2 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/arch/m68knommu/mm/kmap.c
3 *
4 * Copyright (C) 2000 Lineo, <davidm@snapgear.com>
5 * Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
6 */
7
Linus Torvalds1da177e2005-04-16 15:20:36 -07008#include <linux/mm.h>
9#include <linux/kernel.h>
10#include <linux/string.h>
11#include <linux/types.h>
12#include <linux/slab.h>
13#include <linux/vmalloc.h>
14
15#include <asm/setup.h>
16#include <asm/segment.h>
17#include <asm/page.h>
18#include <asm/pgalloc.h>
19#include <asm/io.h>
20#include <asm/system.h>
21
22#undef DEBUG
23
24/*
25 * Map some physical address range into the kernel address space.
26 */
27void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
28{
29 return (void *)physaddr;
30}
31
32/*
33 * Unmap a ioremap()ed region again.
34 */
35void iounmap(void *addr)
36{
37}
38
39/*
40 * __iounmap unmaps nearly everything, so be careful
41 * it doesn't free currently pointer/page tables anymore but it
42 * wans't used anyway and might be added later.
43 */
44void __iounmap(void *addr, unsigned long size)
45{
46}
47
48/*
49 * Set new cache mode for some kernel address space.
50 * The caller must push data for that range itself, if such data may already
51 * be in the cache.
52 */
53void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
54{
55}