1/* 2 * linux/include/asm-arm/arch-clps711x/time.h 3 * 4 * Copyright (C) 2000 Deep Blue Solutions Ltd. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20#include <asm/leds.h> 21#include <asm/hardware/clps7111.h> 22 23extern void clps711x_setup_timer(void); 24 25/* 26 * IRQ handler for the timer 27 */ 28static irqreturn_t 29p720t_timer_interrupt(int irq, void *dev_id) 30{ 31 struct pt_regs *regs = get_irq_regs(); 32 do_leds(); 33 do_timer(1); 34#ifndef CONFIG_SMP 35 update_process_times(user_mode(regs)); 36#endif 37 do_profile(regs); 38 return IRQ_HANDLED; 39} 40 41/* 42 * Set up timer interrupt, and return the current time in seconds. 43 */ 44void __init time_init(void) 45{ 46 clps711x_setup_timer(); 47 timer_irq.handler = p720t_timer_interrupt; 48 setup_irq(IRQ_TC2OI, &timer_irq); 49} 50