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