/* 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> #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) { }