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Stelian Pop177e8a52008-03-26 19:52:31 +01001/*
Stelian Pop9606b3c2008-05-08 22:52:10 +02002 * [origin: Linux kernel include/asm-arm/arch-at91/io.h]
Stelian Pop177e8a52008-03-26 19:52:31 +01003 *
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
Jens Scharsig5d8e3592010-02-03 22:46:01 +010026#ifdef CONFIG_AT91_LEGACY
27
Stelian Pop177e8a52008-03-26 19:52:31 +010028static inline unsigned int at91_sys_read(unsigned int reg_offset)
29{
30 void *addr = (void *)AT91_BASE_SYS;
31
32 return __raw_readl(addr + reg_offset);
33}
34
35static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
36{
37 void *addr = (void *)AT91_BASE_SYS;
38
39 __raw_writel(value, addr + reg_offset);
40}
Jens Scharsig5d8e3592010-02-03 22:46:01 +010041#endif
Stelian Pop177e8a52008-03-26 19:52:31 +010042
43#endif