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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2011 Calxeda, Inc.
*/
#include <linux/cpu_pm.h>
#include <linux/init.h>
#include <linux/psci.h>
#include <linux/suspend.h>
#include <asm/suspend.h>
#include <uapi/linux/psci.h>
#define HIGHBANK_SUSPEND_PARAM \
((0 << PSCI_0_2_POWER_STATE_ID_SHIFT) | \
(1 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) | \
(PSCI_POWER_STATE_TYPE_POWER_DOWN << PSCI_0_2_POWER_STATE_TYPE_SHIFT))
static int highbank_suspend_finish(unsigned long val)
{
return psci_ops.cpu_suspend(HIGHBANK_SUSPEND_PARAM, __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);
}
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