blob: 5c7af09ae8d1c3e830c3ff2ae0dfa2c29ac19e96 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#include <linux/mm.h>
12#include <linux/kernel.h>
13#include <linux/string.h>
14#include <linux/types.h>
15#include <linux/slab.h>
16#include <linux/vmalloc.h>
17
18#include <asm/setup.h>
19#include <asm/segment.h>
20#include <asm/page.h>
21#include <asm/pgalloc.h>
22#include <asm/io.h>
23#include <asm/system.h>
24
25#undef DEBUG
26
Yoshinori Satoc728d6042007-05-06 14:50:35 -070027#define VIRT_OFFSET (0x01000000)
28
Linus Torvalds1da177e2005-04-16 15:20:36 -070029/*
30 * Map some physical address range into the kernel address space.
31 */
32void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
33{
Yoshinori Satoc728d6042007-05-06 14:50:35 -070034 return (void *)(physaddr + VIRT_OFFSET);
Linus Torvalds1da177e2005-04-16 15:20:36 -070035}
36
37/*
38 * Unmap a ioremap()ed region again.
39 */
40void iounmap(void *addr)
41{
42}
43
44/*
45 * __iounmap unmaps nearly everything, so be careful
46 * it doesn't free currently pointer/page tables anymore but it
47 * wans't used anyway and might be added later.
48 */
49void __iounmap(void *addr, unsigned long size)
50{
51}
52
53/*
54 * Set new cache mode for some kernel address space.
55 * The caller must push data for that range itself, if such data may already
56 * be in the cache.
57 */
58void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
59{
60}