1 /*
2 * arch/arm/mach-clps711x/include/mach/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
23 extern void clps711x_setup_timer(void);
24
25 /*
26 * IRQ handler for the timer
27 */
28 static irqreturn_t
p720t_timer_interrupt(int irq,void * dev_id)29 p720t_timer_interrupt(int irq, void *dev_id)
30 {
31 struct pt_regs *regs = get_irq_regs();
32 do_leds();
33 xtime_update(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 */
time_init(void)44 void __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