Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-versatile/include/mach/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 King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 24 | #include <linux/io.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 25 | #include <mach/hardware.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 26 | #include <mach/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 | |
Russell King | be093be | 2009-03-19 16:20:24 +0000 | [diff] [blame] | 37 | static inline void arch_reset(char mode, const char *cmd) |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 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 |