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