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46 lines
1.1 KiB
46 lines
1.1 KiB
/*
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* arch/mips/vr41xx/nec-cmbvr4133/irq.c
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*
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* Interrupt routines for the NEC CMB-VR4133 board.
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*
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* Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com> and
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* Alex Sapkov <asapkov@ru.mvista.com>
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*
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* 2003-2004 (c) MontaVista, Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*
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* Support for NEC-CMBVR4133 in 2.6
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* Manish Lachwani (mlachwani@mvista.com)
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*/
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#include <linux/bitops.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/ioport.h>
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#include <linux/interrupt.h>
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#include <asm/io.h>
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#include <asm/i8259.h>
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#include <asm/vr41xx/cmbvr4133.h>
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extern int vr4133_rockhopper;
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static int i8259_get_irq_number(int irq)
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{
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return i8259_irq();
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}
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void __init rockhopper_init_irq(void)
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{
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int i;
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if(!vr4133_rockhopper) {
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printk(KERN_ERR "Not a Rockhopper Board \n");
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return;
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}
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vr41xx_set_irq_trigger(CMBVR41XX_INTC_PIN, TRIGGER_LEVEL, SIGNAL_THROUGH);
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vr41xx_set_irq_level(CMBVR41XX_INTC_PIN, LEVEL_HIGH);
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vr41xx_cascade_irq(CMBVR41XX_INTC_IRQ, i8259_get_irq_number);
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}
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