8b61f37440
Add the platform suspend ops for highbank. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Reviewed-by: Jamie Iles <jamie@jamieiles.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
|
|
* 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/init.h>
|
|
#include <linux/io.h>
|
|
#include <linux/suspend.h>
|
|
|
|
#include <asm/proc-fns.h>
|
|
#include <asm/smp_scu.h>
|
|
#include <asm/suspend.h>
|
|
|
|
#include "core.h"
|
|
#include "sysregs.h"
|
|
|
|
static int highbank_suspend_finish(unsigned long val)
|
|
{
|
|
cpu_do_idle();
|
|
return 0;
|
|
}
|
|
|
|
static int highbank_pm_enter(suspend_state_t state)
|
|
{
|
|
hignbank_set_pwr_suspend();
|
|
highbank_set_cpu_jump(0, cpu_resume);
|
|
|
|
scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
|
|
cpu_suspend(0, highbank_suspend_finish);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct platform_suspend_ops highbank_pm_ops = {
|
|
.enter = highbank_pm_enter,
|
|
.valid = suspend_valid_only_mem,
|
|
};
|
|
|
|
static int __init highbank_pm_init(void)
|
|
{
|
|
suspend_set_ops(&highbank_pm_ops);
|
|
return 0;
|
|
}
|
|
module_init(highbank_pm_init);
|