1/*
2 * OpenRISC Linux
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others.  All original copyrights apply as per the original source
6 * declaration.
7 *
8 * OpenRISC implementation:
9 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
10 * et al.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 */
17
18#ifndef __ASM_OPENRISC_IO_H
19#define __ASM_OPENRISC_IO_H
20
21/*
22 * PCI: can we really do 0 here if we have no port IO?
23 */
24#define IO_SPACE_LIMIT		0
25
26/* OpenRISC has no port IO */
27#define HAVE_ARCH_PIO_SIZE	1
28#define PIO_RESERVED		0X0UL
29#define PIO_OFFSET		0
30#define PIO_MASK		0
31
32#include <asm-generic/io.h>
33#include <asm/pgtable.h>
34
35extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size,
36				pgprot_t prot);
37
38static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size)
39{
40	return __ioremap(offset, size, PAGE_KERNEL);
41}
42
43/* #define _PAGE_CI       0x002 */
44static inline void __iomem *ioremap_nocache(phys_addr_t offset,
45					     unsigned long size)
46{
47	return __ioremap(offset, size,
48			 __pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI));
49}
50
51extern void iounmap(void *addr);
52#endif
53