1/*
2 * r8a7779 Power management support
3 *
4 * Copyright (C) 2011  Renesas Solutions Corp.
5 * Copyright (C) 2011  Magnus Damm
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License.  See the file "COPYING" in the main directory of this archive
9 * for more details.
10 */
11
12#include <asm/io.h>
13
14#include "pm-rcar.h"
15#include "r8a7779.h"
16
17/* SYSC */
18#define SYSCIER 0x0c
19#define SYSCIMR 0x10
20
21#if defined(CONFIG_PM) || defined(CONFIG_SMP)
22
23static void __init r8a7779_sysc_init(void)
24{
25	void __iomem *base = rcar_sysc_init(0xffd85000);
26
27	/* enable all interrupt sources, but do not use interrupt handler */
28	iowrite32(0x0131000e, base + SYSCIER);
29	iowrite32(0, base + SYSCIMR);
30}
31
32#else /* CONFIG_PM || CONFIG_SMP */
33
34static inline void r8a7779_sysc_init(void) {}
35
36#endif /* CONFIG_PM || CONFIG_SMP */
37
38void __init r8a7779_pm_init(void)
39{
40	static int once;
41
42	if (!once++)
43		r8a7779_sysc_init();
44}
45