|  | /* 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) | 
|  | { | 
|  | } |