| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * arch/arm/mach-realview/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 | |
| 24 | #include <mach/hardware.h> |
| 25 | #include <asm/io.h> |
| 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 | |
| 37 | static inline void arch_reset(char mode) |
| 38 | { |
| 39 | void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET; |
| 40 | unsigned int val; |
| 41 | |
| 42 | /* |
| 43 | * To reset, we hit the on-board reset register |
| 44 | * in the system FPGA |
| 45 | */ |
| 46 | val = __raw_readl(hdr_ctrl); |
| 47 | val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR; |
| 48 | __raw_writel(val, hdr_ctrl); |
| 49 | } |
| 50 | |
| 51 | #endif |