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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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/*
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* Copyright 2011 Calxeda, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/suspend.h>
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#include <asm/proc-fns.h>
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#include <asm/smp_scu.h>
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#include <asm/suspend.h>
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#include "core.h"
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#include "sysregs.h"
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static int highbank_suspend_finish(unsigned long val)
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{
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cpu_do_idle();
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return 0;
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}
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static int highbank_pm_enter(suspend_state_t state)
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{
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hignbank_set_pwr_suspend();
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highbank_set_cpu_jump(0, cpu_resume);
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scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
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cpu_suspend(0, highbank_suspend_finish);
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return 0;
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}
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static const struct platform_suspend_ops highbank_pm_ops = {
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.enter = highbank_pm_enter,
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.valid = suspend_valid_only_mem,
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};
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static int __init highbank_pm_init(void)
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{
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suspend_set_ops(&highbank_pm_ops);
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return 0;
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}
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module_init(highbank_pm_init);
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