blob: 3ea4e07b58c842f0b9555352c918de49ab8a711b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/asm-arm/arch-versatile/system.h
3 *
4 * Copyright (C) 2003 ARM Limited
5 * Copyright (C) 2000 Deep Blue Solutions Ltd
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#ifndef __ASM_ARCH_SYSTEM_H
22#define __ASM_ARCH_SYSTEM_H
23
Russell Kingbe509722008-08-04 10:41:28 +010024#include <asm/arch/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#include <asm/io.h>
26#include <asm/arch/platform.h>
27
28static inline void arch_idle(void)
29{
30 /*
31 * This should do all the clock switching
32 * and wait for interrupt tricks
33 */
34 cpu_do_idle();
35}
36
37static inline void arch_reset(char mode)
38{
Deepak Saxena4af6fee2006-06-20 21:30:44 +010039 u32 val;
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
Deepak Saxena4af6fee2006-06-20 21:30:44 +010041 val = __raw_readl(IO_ADDRESS(VERSATILE_SYS_RESETCTL)) & ~0x7;
42 val |= 0x105;
43
44 __raw_writel(0xa05f, IO_ADDRESS(VERSATILE_SYS_LOCK));
45 __raw_writel(val, IO_ADDRESS(VERSATILE_SYS_RESETCTL));
46 __raw_writel(0, IO_ADDRESS(VERSATILE_SYS_LOCK));
Linus Torvalds1da177e2005-04-16 15:20:36 -070047}
48
49#endif