microblaze_mmu_v2: io.h MMU update

/*

 * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>

 * Copyright (C) 2007-2009 PetaLogix

 * Copyright (C) 2006 Atmark Techno, Inc.

 *

 * This file is subject to the terms and conditions of the GNU General Public

#include <asm/byteorder.h>

#include <asm/page.h>

#include <linux/types.h>

#include <asm/byteorder.h>

#include <linux/mm.h>          /* Get struct page {...} */

#define IO_SPACE_LIMIT (0xFFFFFFFF)

#define memcpy_fromio(a, b, c)	memcpy((a), (void *)(b), (c))

#define memcpy_toio(a, b, c)	memcpy((void *)(a), (b), (c))

#ifdef CONFIG_MMU

#define mm_ptov(addr)		((void *)__phys_to_virt(addr))

#define mm_vtop(addr)		((unsigned long)__virt_to_phys(addr))

#define phys_to_virt(addr)	((void *)__phys_to_virt(addr))

#define virt_to_phys(addr)	((unsigned long)__virt_to_phys(addr))

#define virt_to_bus(addr)	((unsigned long)__virt_to_phys(addr))

#define __page_address(page) \

		(PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT))

#define page_to_phys(page)	virt_to_phys((void *)__page_address(page))

#define page_to_bus(page)	(page_to_phys(page))

#define bus_to_virt(addr)	(phys_to_virt(addr))

extern void iounmap(void *addr);

/*extern void *__ioremap(phys_addr_t address, unsigned long size,

		unsigned long flags);*/

extern void __iomem *ioremap(phys_addr_t address, unsigned long size);

#define ioremap_writethrough(addr, size) ioremap((addr), (size))

#define ioremap_nocache(addr, size)      ioremap((addr), (size))

#define ioremap_fullcache(addr, size)    ioremap((addr), (size))

#else /* CONFIG_MMU */

/**

 *	virt_to_phys - map virtual addresses to physical

 *	@address: address to remap

#define iounmap(addr)		((void)0)

#define ioremap_nocache(physaddr, size)	ioremap(physaddr, size)

#endif /* CONFIG_MMU */

/*

 * Convert a physical pointer to a virtual kernel pointer for /dev/mem

 * access