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

 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
19/*
20 * PCI: can we really do 0 here if we have no port IO?
21 */
22#define IO_SPACE_LIMIT		0
23
24/* OpenRISC has no port IO */
25#define HAVE_ARCH_PIO_SIZE	1
26#define PIO_RESERVED		0X0UL
27#define PIO_OFFSET		0
28#define PIO_MASK		0
29
30#define ioremap ioremap
31void __iomem *ioremap(phys_addr_t offset, unsigned long size);
32
33#define iounmap iounmap
34extern void iounmap(void *addr);
35
36#include <asm-generic/io.h>
37
38#endif