6b13f685e
김민수
BSP 최초 추가
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* Copyright 2011 Calxeda, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/cpu_pm.h>
#include <linux/init.h>
#include <linux/suspend.h>
#include <asm/suspend.h>
#include <asm/psci.h>
static int highbank_suspend_finish(unsigned long val)
{
const struct psci_power_state ps = {
.type = PSCI_POWER_STATE_TYPE_POWER_DOWN,
.affinity_level = 1,
};
return psci_ops.cpu_suspend(ps, __pa(cpu_resume));
}
static int highbank_pm_enter(suspend_state_t state)
{
cpu_pm_enter();
cpu_cluster_pm_enter();
cpu_suspend(0, highbank_suspend_finish);
cpu_cluster_pm_exit();
cpu_pm_exit();
return 0;
}
static const struct platform_suspend_ops highbank_pm_ops = {
.enter = highbank_pm_enter,
.valid = suspend_valid_only_mem,
};
void __init highbank_pm_init(void)
{
if (!psci_ops.cpu_suspend)
return;
suspend_set_ops(&highbank_pm_ops);
}
|