blob: fb78be38ea02633825f1ef904e9b1b5d6012a0b9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* kmap.c: ioremapping handlers
*
* Copyright (C) 2003-5 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
* - Derived from arch/m68k/mm/kmap.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/mm.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/vmalloc.h>
#include <asm/setup.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
#include <asm/io.h>
#include <asm/system.h>
#undef DEBUG
/*****************************************************************************/
/*
* Map some physical address range into the kernel address space.
*/
void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
{
return (void __iomem *)physaddr;
}
/*
* Unmap a ioremap()ed region again
*/
void iounmap(void volatile __iomem *addr)
{
}
/*
* Set new cache mode for some kernel address space.
* The caller must push data for that range itself, if such data may already
* be in the cache.
*/
void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
{
}
|
