1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * OpenRISC Linux
4 *
5 * Linux architectural port borrowing liberally from similar works of
6 * others.  All original copyrights apply as per the original source
7 * declaration.
8 *
9 * OpenRISC implementation:
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * et al.
12 */
13
14#ifndef __ASM_OPENRISC_IO_H
15#define __ASM_OPENRISC_IO_H
16
17#include <linux/types.h>
18#include <asm/pgalloc.h>
19#include <asm/pgtable.h>
20
21/*
22 * PCI: We do not use IO ports in OpenRISC
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/*
33 * I/O memory mapping functions.
34 */
35#define _PAGE_IOREMAP (pgprot_val(PAGE_KERNEL) | _PAGE_CI)
36
37#include <asm-generic/io.h>
38
39#endif
40