blob: f8beaa228467814af3b188b5803956ab3beacc33 [file] [log] [blame]
SAN People73a59c12006-01-09 17:05:41 +00001/*
Andrew Victor9d041262007-02-05 11:42:07 +01002 * include/asm-arm/arch-at91/io.h
SAN People73a59c12006-01-09 17:05:41 +00003 *
4 * Copyright (C) 2003 SAN People
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef __ASM_ARCH_IO_H
22#define __ASM_ARCH_IO_H
23
SAN People73a59c12006-01-09 17:05:41 +000024#define IO_SPACE_LIMIT 0xFFFFFFFF
25
26#define __io(a) ((void __iomem *)(a))
27#define __mem_pci(a) (a)
28
29
Andrew Victor030f4812007-05-11 13:21:27 +010030#ifndef __ASSEMBLY__
31
32static inline unsigned int at91_sys_read(unsigned int reg_offset)
33{
34 void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
35
36 return __raw_readl(addr + reg_offset);
37}
38
39static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
40{
41 void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
42
43 __raw_writel(value, addr + reg_offset);
44}
45
46#endif
47
SAN People73a59c12006-01-09 17:05:41 +000048#endif