arch/sh/boards/se/770x/irq.c

   1 /* $Id: irq.c,v 1.4 2004/02/22 22:44:36 kkojima Exp $
   2  *
   3  * linux/arch/sh/boards/se/770x/irq.c
   4  *
   5  * Copyright (C) 2000  Kazumoto Kojima
   6  *
   7  * Hitachi SolutionEngine Support.
   8  *
   9  */
  10
  11 #include <linux/config.h>
  12 #include <linux/init.h>
  13 #include <linux/irq.h>
  14 #include <asm/irq.h>
  15 #include <asm/se/se.h>
  16
  17 /*
  18  * Initialize IRQ setting
  19  */
  20 void __init init_se_IRQ(void)
  21 {
  22         /*
  23          * Super I/O (Just mimic PC):
  24          *  1: keyboard
  25          *  3: serial 0
  26          *  4: serial 1
  27          *  5: printer
  28          *  6: floppy
  29          *  8: rtc
  30          * 12: mouse
  31          * 14: ide0
  32          */
  33         make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14);
  34         make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12);
  35         make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8);
  36         make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6);
  37         make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5);
  38         make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4);
  39         make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3);
  40         make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1);
  41
  42         make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
  43
  44         make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
  45         make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
  46         make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
  47         make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */
  48
  49         /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
  50         /* NOTE: #2 and #13 are not used on PC */
  51         make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
  52         make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
  53 }