// 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); }