2 * arch/mips/vr41xx/nec-cmbvr4133/irq.c
4 * Interrupt routines for the NEC CMB-VR4133 board.
6 * Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com> and
7 * Alex Sapkov <asapkov@ru.mvista.com>
9 * 2003-2004 (c) MontaVista, Software, Inc. This file is licensed under
10 * the terms of the GNU General Public License version 2. This program
11 * is licensed "as is" without any warranty of any kind, whether express
14 * Support for NEC-CMBVR4133 in 2.6
15 * Manish Lachwani (mlachwani@mvista.com)
17 #include <linux/bitops.h>
18 #include <linux/errno.h>
19 #include <linux/init.h>
20 #include <linux/ioport.h>
21 #include <linux/interrupt.h>
24 #include <asm/i8259.h>
25 #include <asm/vr41xx/cmbvr4133.h>
27 extern int vr4133_rockhopper;
29 static int i8259_get_irq_number(int irq)
34 void __init rockhopper_init_irq(void)
38 if(!vr4133_rockhopper) {
39 printk(KERN_ERR "Not a Rockhopper Board \n");
43 vr41xx_set_irq_trigger(CMBVR41XX_INTC_PIN, TRIGGER_LEVEL, SIGNAL_THROUGH);
44 vr41xx_set_irq_level(CMBVR41XX_INTC_PIN, LEVEL_HIGH);
45 vr41xx_cascade_irq(CMBVR41XX_INTC_IRQ, i8259_get_irq_number);