1 /*
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
24 #include <asm/hardware.h>
25 #include <asm/io.h>
26 #include <asm/arch/platform.h>
27
28 static 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
37 static inline void arch_reset(char mode)
38 {
39 u32 val;
40
41 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));
47 }
48
49 #endif
50
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