[linux-2.6-block.git] / arch / h8300 / mm / kmap.c

/*
 *  linux/arch/h8300/mm/kmap.c
 *  
 *  Based on
 *  linux/arch/m68knommu/mm/kmap.c
 *
 *  Copyright (C) 2000 Lineo, <davidm@snapgear.com>
 *  Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
 */

#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

#define VIRT_OFFSET (0x01000000)

/*
 * Map some physical address range into the kernel address space.
 */
void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
{
	return (void *)(physaddr + VIRT_OFFSET);
}

/*
 * Unmap a ioremap()ed region again.
 */
void iounmap(void *addr)
{
}

/*
 * __iounmap unmaps nearly everything, so be careful
 * it doesn't free currently pointer/page tables anymore but it
 * wans't used anyway and might be added later.
 */
void __iounmap(void *addr, unsigned long size)
{
}

/*
 * 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)
{
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/h8300/mm/kmap.c
	3	*
	4	* Based on
	5	* linux/arch/m68knommu/mm/kmap.c
	6	*
	7	* Copyright (C) 2000 Lineo, <davidm@snapgear.com>
	8	* Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
	9	*/
	10
1da177e4 LT	11	#include <linux/mm.h>
	12	#include <linux/kernel.h>
	13	#include <linux/string.h>
	14	#include <linux/types.h>
1da177e4 LT	15	#include <linux/vmalloc.h>
	16
	17	#include <asm/setup.h>
	18	#include <asm/segment.h>
	19	#include <asm/page.h>
	20	#include <asm/pgalloc.h>
	21	#include <asm/io.h>
	22	#include <asm/system.h>
	23
	24	#undef DEBUG
	25
c728d604 YS	26	#define VIRT_OFFSET (0x01000000)
c728d604 YS	27
1da177e4 LT	28	/*
	29	* Map some physical address range into the kernel address space.
	30	*/
	31	void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
	32	{
c728d604	33	return (void *)(physaddr + VIRT_OFFSET);
1da177e4 LT	34	}
	35
	36	/*
	37	* Unmap a ioremap()ed region again.
	38	*/
	39	void iounmap(void *addr)
	40	{
	41	}
	42
	43	/*
	44	* __iounmap unmaps nearly everything, so be careful
	45	* it doesn't free currently pointer/page tables anymore but it
	46	* wans't used anyway and might be added later.
	47	*/
	48	void __iounmap(void *addr, unsigned long size)
	49	{
	50	}
	51
	52	/*
	53	* Set new cache mode for some kernel address space.
	54	* The caller must push data for that range itself, if such data may already
	55	* be in the cache.
	56	*/
	57	void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
	58	{
	59	}