xref: /OK3568_Linux_fs/kernel/arch/openrisc/include/asm/io.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * OpenRISC Linux
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Linux architectural port borrowing liberally from similar works of
6*4882a593Smuzhiyun  * others.  All original copyrights apply as per the original source
7*4882a593Smuzhiyun  * declaration.
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * OpenRISC implementation:
10*4882a593Smuzhiyun  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11*4882a593Smuzhiyun  * et al.
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #ifndef __ASM_OPENRISC_IO_H
15*4882a593Smuzhiyun #define __ASM_OPENRISC_IO_H
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #include <linux/types.h>
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun /*
20*4882a593Smuzhiyun  * PCI: can we really do 0 here if we have no port IO?
21*4882a593Smuzhiyun  */
22*4882a593Smuzhiyun #define IO_SPACE_LIMIT		0
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun /* OpenRISC has no port IO */
25*4882a593Smuzhiyun #define HAVE_ARCH_PIO_SIZE	1
26*4882a593Smuzhiyun #define PIO_RESERVED		0X0UL
27*4882a593Smuzhiyun #define PIO_OFFSET		0
28*4882a593Smuzhiyun #define PIO_MASK		0
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #define ioremap ioremap
31*4882a593Smuzhiyun void __iomem *ioremap(phys_addr_t offset, unsigned long size);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #define iounmap iounmap
34*4882a593Smuzhiyun extern void iounmap(void *addr);
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #include <asm-generic/io.h>
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif
39