1/*
2 * include/asm-arm/arch-at91/io.h
3 *
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
24#include <asm/io.h>
25
26#define IO_SPACE_LIMIT		0xFFFFFFFF
27
28#define __io(a)			((void __iomem *)(a))
29#define __mem_pci(a)		(a)
30
31
32#ifndef __ASSEMBLY__
33
34static inline unsigned int at91_sys_read(unsigned int reg_offset)
35{
36	void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
37
38	return __raw_readl(addr + reg_offset);
39}
40
41static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
42{
43	void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
44
45	__raw_writel(value, addr + reg_offset);
46}
47
48#endif
49
50#endif
51