xref: /linux/arch/openrisc/include/asm/io.h (revision 8a79db5e83a5d52c74e6f3c40d6f312cf899213e)
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 /*
18  * PCI: can we really do 0 here if we have no port IO?
19  */
20 #define IO_SPACE_LIMIT		0
21 
22 /* OpenRISC has no port IO */
23 #define HAVE_ARCH_PIO_SIZE	1
24 #define PIO_RESERVED		0X0UL
25 #define PIO_OFFSET		0
26 #define PIO_MASK		0
27 
28 #include <asm-generic/io.h>
29 #include <asm/pgtable.h>
30 
31 void __iomem *ioremap(phys_addr_t offset, unsigned long size);
32 extern void iounmap(void *addr);
33 
34 #endif
35