forked from luck/tmp_suning_uos_patched
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
|
/*
|
||
|
|
* 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)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|