arch/m68knommu/platform/coldfire/intc.c

   1 /*
   2  * intc.c
   3  *
   4  * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file COPYING in the main directory of this archive
   8  * for more details.
   9  */
  10
  11 #include <linux/types.h>
  12 #include <linux/init.h>
  13 #include <linux/kernel.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/irq.h>
  16 #include <linux/io.h>
  17 #include <asm/traps.h>
  18 #include <asm/coldfire.h>
  19 #include <asm/mcfsim.h>
  20
  21 static void intc_irq_mask(unsigned int irq)
  22 {
  23 }
  24
  25 static void intc_irq_unmask(unsigned int irq)
  26 {
  27 }
  28
  29 static int intc_irq_set_type(unsigned int irq, unsigned int type)
  30 {
  31         return 0;
  32 }
  33
  34 static struct irq_chip intc_irq_chip = {
  35         .name           = "CF-INTC",
  36         .mask           = intc_irq_mask,
  37         .unmask         = intc_irq_unmask,
  38         .set_type       = intc_irq_set_type,
  39 };
  40
  41 void __init init_IRQ(void)
  42 {
  43         int irq;
  44
  45         init_vectors();
  46
  47         for (irq = 0; (irq < NR_IRQS); irq++) {
  48                 irq_desc[irq].status = IRQ_DISABLED;
  49                 irq_desc[irq].action = NULL;
  50                 irq_desc[irq].depth = 1;
  51                 irq_desc[irq].chip = &intc_irq_chip;
  52                 intc_irq_set_type(irq, 0);
  53         }
  54 }
  55