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/mm.h>
14#include <linux/kernel.h>
15#include <linux/string.h>
16#include <linux/types.h>
17#include <linux/vmalloc.h>
18
19#include <asm/setup.h>
20#include <asm/segment.h>
21#include <asm/page.h>
22#include <asm/pgalloc.h>
23#include <asm/io.h>
24
25#undef DEBUG
26
27/*****************************************************************************/
28/*
29 * Map some physical address range into the kernel address space.
30 */
31
32void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
33{
34	return (void __iomem *)physaddr;
35}
36
37/*
38 * Unmap a ioremap()ed region again
39 */
40void iounmap(void volatile __iomem *addr)
41{
42}
43
44/*
45 * Set new cache mode for some kernel address space.
46 * The caller must push data for that range itself, if such data may already
47 * be in the cache.
48 */
49void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
50{
51}
52