1 /* 2 * SH-Mobile Timer 3 * 4 * Copyright (C) 2010 Magnus Damm 5 * Copyright (C) 2002 - 2009 Paul Mundt 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; version 2 of the License. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 19 * 20 */ 21 #include <linux/platform_device.h> 22 #include <asm/mach/time.h> 23 #include <asm/smp_twd.h> 24 25 static void __init shmobile_late_time_init(void) 26 { 27 /* 28 * Make sure all compiled-in early timers register themselves. 29 * 30 * Run probe() for two "earlytimer" devices, these will be the 31 * clockevents and clocksource devices respectively. In the event 32 * that only a clockevents device is available, we -ENODEV on the 33 * clocksource and the jiffies clocksource is used transparently 34 * instead. No error handling is necessary here. 35 */ 36 early_platform_driver_register_all("earlytimer"); 37 early_platform_driver_probe("earlytimer", 2, 0); 38 } 39 40 void __init shmobile_earlytimer_init(void) 41 { 42 late_time_init = shmobile_late_time_init; 43 } 44 45 static void __init shmobile_timer_init(void) 46 { 47 } 48 49 struct sys_timer shmobile_timer = { 50 .init = shmobile_timer_init, 51 }; 52