/arch/h8300/mm/kmap.c

 1/*
 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
11#include <linux/mm.h>
12#include <linux/kernel.h>
13#include <linux/string.h>
14#include <linux/types.h>
15#include <linux/vmalloc.h>
16
17#include <asm/setup.h>
18#include <asm/segment.h>
19#include <asm/page.h>
20#include <asm/pgalloc.h>
21#include <asm/io.h>
22#include <asm/system.h>
23
24#undef DEBUG
25
26#define VIRT_OFFSET (0x01000000)
27
28/*
29 * Map some physical address range into the kernel address space.
30 */
31void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
32{
33	return (void *)(physaddr + VIRT_OFFSET);
34}
35
36/*
37 * Unmap a ioremap()ed region again.
38 */
39void iounmap(void *addr)
40{
41}
42
43/*
44 * __iounmap unmaps nearly everything, so be careful
45 * it doesn't free currently pointer/page tables anymore but it
46 * wans't used anyway and might be added later.
47 */
48void __iounmap(void *addr, unsigned long size)
49{
50}
51
52/*
53 * Set new cache mode for some kernel address space.
54 * The caller must push data for that range itself, if such data may already
55 * be in the cache.
56 */
57void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
58{
59}