1/*
2 * include/asm-arm/arch-at91/system.h
3 *
4 *  Copyright (C) 2003 SAN People
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20
21#ifndef __ASM_ARCH_SYSTEM_H
22#define __ASM_ARCH_SYSTEM_H
23
24#include <asm/hardware.h>
25#include <asm/arch/at91_st.h>
26#include <asm/arch/at91_dbgu.h>
27
28static inline void arch_idle(void)
29{
30	/*
31	 * Disable the processor clock.  The processor will be automatically
32	 * re-enabled by an interrupt or by a reset.
33	 */
34//	at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
35
36	/*
37	 * Set the processor (CP15) into 'Wait for Interrupt' mode.
38	 * Unlike disabling the processor clock via the PMC (above)
39	 *  this allows the processor to be woken via JTAG.
40	 */
41	cpu_do_idle();
42}
43
44void (*at91_arch_reset)(void);
45
46static inline void arch_reset(char mode)
47{
48	/* call the CPU-specific reset function */
49	if (at91_arch_reset)
50		(at91_arch_reset)();
51}
52
53#endif
54