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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright 2011 Calxeda, Inc.
4 */
5
6#include <linux/cpu_pm.h>
7#include <linux/init.h>
8#include <linux/psci.h>
9#include <linux/suspend.h>
10
11#include <asm/suspend.h>
12
13#include <uapi/linux/psci.h>
14
15#include "core.h"
16
17#define HIGHBANK_SUSPEND_PARAM \
18 ((0 << PSCI_0_2_POWER_STATE_ID_SHIFT) | \
19 (1 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) | \
20 (PSCI_POWER_STATE_TYPE_POWER_DOWN << PSCI_0_2_POWER_STATE_TYPE_SHIFT))
21
22static int highbank_suspend_finish(unsigned long val)
23{
24 return psci_ops.cpu_suspend(HIGHBANK_SUSPEND_PARAM, __pa(cpu_resume));
25}
26
27static int highbank_pm_enter(suspend_state_t state)
28{
29 cpu_pm_enter();
30 cpu_cluster_pm_enter();
31
32 cpu_suspend(0, highbank_suspend_finish);
33
34 cpu_cluster_pm_exit();
35 cpu_pm_exit();
36
37 return 0;
38}
39
40static const struct platform_suspend_ops highbank_pm_ops = {
41 .enter = highbank_pm_enter,
42 .valid = suspend_valid_only_mem,
43};
44
45void __init highbank_pm_init(void)
46{
47 if (!psci_ops.cpu_suspend)
48 return;
49
50 suspend_set_ops(&highbank_pm_ops);
51}
1/*
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/cpu_pm.h>
18#include <linux/init.h>
19#include <linux/psci.h>
20#include <linux/suspend.h>
21
22#include <asm/suspend.h>
23
24#include <uapi/linux/psci.h>
25
26#define HIGHBANK_SUSPEND_PARAM \
27 ((0 << PSCI_0_2_POWER_STATE_ID_SHIFT) | \
28 (1 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) | \
29 (PSCI_POWER_STATE_TYPE_POWER_DOWN << PSCI_0_2_POWER_STATE_TYPE_SHIFT))
30
31static int highbank_suspend_finish(unsigned long val)
32{
33 return psci_ops.cpu_suspend(HIGHBANK_SUSPEND_PARAM, __pa(cpu_resume));
34}
35
36static int highbank_pm_enter(suspend_state_t state)
37{
38 cpu_pm_enter();
39 cpu_cluster_pm_enter();
40
41 cpu_suspend(0, highbank_suspend_finish);
42
43 cpu_cluster_pm_exit();
44 cpu_pm_exit();
45
46 return 0;
47}
48
49static const struct platform_suspend_ops highbank_pm_ops = {
50 .enter = highbank_pm_enter,
51 .valid = suspend_valid_only_mem,
52};
53
54void __init highbank_pm_init(void)
55{
56 if (!psci_ops.cpu_suspend)
57 return;
58
59 suspend_set_ops(&highbank_pm_ops);
60}