| /* 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/config.h> |
| #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) |
| { |
| } |