blob: 33b3beb899820c46a17859176a065ce70de5544a [file] [log] [blame]
Rob Herring8b61f372011-05-15 12:44:17 -05001/*
2 * Copyright 2011 Calxeda, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#include <linux/init.h>
18#include <linux/io.h>
19#include <linux/suspend.h>
20
21#include <asm/proc-fns.h>
22#include <asm/smp_scu.h>
23#include <asm/suspend.h>
24
25#include "core.h"
26#include "sysregs.h"
27
28static int highbank_suspend_finish(unsigned long val)
29{
30 cpu_do_idle();
31 return 0;
32}
33
34static int highbank_pm_enter(suspend_state_t state)
35{
36 hignbank_set_pwr_suspend();
37 highbank_set_cpu_jump(0, cpu_resume);
38
39 scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
40 cpu_suspend(0, highbank_suspend_finish);
41
42 return 0;
43}
44
45static const struct platform_suspend_ops highbank_pm_ops = {
46 .enter = highbank_pm_enter,
47 .valid = suspend_valid_only_mem,
48};
49
50static int __init highbank_pm_init(void)
51{
52 suspend_set_ops(&highbank_pm_ops);
53 return 0;
54}
55module_init(highbank_pm_init);