50 строки
1.4 KiB
C
50 строки
1.4 KiB
C
/*
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* linux/include/asm-arm/arch-clps711x/time.h
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*
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* Copyright (C) 2000 Deep Blue Solutions Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <asm/leds.h>
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#include <asm/hardware/clps7111.h>
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extern void clps711x_setup_timer(void);
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/*
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* IRQ handler for the timer
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*/
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static irqreturn_t
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p720t_timer_interrupt(int irq, void *dev_id)
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{
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struct pt_regs *regs = get_irq_regs();
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do_leds();
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do_timer(1);
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#ifndef CONFIG_SMP
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update_process_times(user_mode(regs));
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#endif
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do_profile(regs);
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return IRQ_HANDLED;
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}
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/*
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* Set up timer interrupt, and return the current time in seconds.
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*/
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void __init time_init(void)
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{
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clps711x_setup_timer();
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timer_irq.handler = p720t_timer_interrupt;
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setup_irq(IRQ_TC2OI, &timer_irq);
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}
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