/* * linux/arch/m32r/mm/ioremap-nommu.c * * Copyright (c) 2001, 2002 Hiroyuki Kondo * * Taken from mips version. * (C) Copyright 1995 1996 Linus Torvalds * (C) Copyright 2001 Ralf Baechle */ /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * */ #include <linux/module.h> #include <asm/addrspace.h> #include <asm/byteorder.h> #include <linux/vmalloc.h> #include <asm/io.h> #include <asm/pgalloc.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> /* * Remap an arbitrary physical address space into the kernel virtual * address space. Needed when the kernel wants to access high addresses * directly. * * NOTE! We need to allow non-page-aligned mappings too: we will obviously * have to convert them into an offset in a page-aligned mapping, but the * caller shouldn't need to know that small detail. */ #define IS_LOW512(addr) (!((unsigned long)(addr) & ~0x1fffffffUL)) void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) { return (void *)phys_addr; } #define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == KSEG1) void iounmap(volatile void __iomem *addr) { }