2 * linux/arch/h8300/mm/kmap.c
5 * linux/arch/m68knommu/mm/kmap.c
7 * Copyright (C) 2000 Lineo, <davidm@snapgear.com>
8 * Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
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>
18 #include <asm/setup.h>
19 #include <asm/segment.h>
21 #include <asm/pgalloc.h>
23 #include <asm/system.h>
27 #define VIRT_OFFSET (0x01000000)
30 * Map some physical address range into the kernel address space.
32 void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
34 return (void *)(physaddr + VIRT_OFFSET);
38 * Unmap a ioremap()ed region again.
40 void iounmap(void *addr)
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.
49 void __iounmap(void *addr, unsigned long size)
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
58 void kernel_set_cachemode(void *addr, unsigned long size, int cmode)