blob: 1a15a441e027550e9503a662592c8015544992c7 [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
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
Russell Kingfced80c2008-09-06 12:10:45 +010024#include <linux/io.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010025#include <mach/hardware.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010026#include <mach/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
Russell Kingbe093be2009-03-19 16:20:24 +000037static inline void arch_reset(char mode, const char *cmd)
Russell Kinga09e64f2008-08-05 16:14:15 +010038{
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