arch/sh/boards/se/7751/irq.c

   1 /*
   2  * linux/arch/sh/boards/se/7751/irq.c
   3  *
   4  * Copyright (C) 2000  Kazumoto Kojima
   5  *
   6  * Hitachi SolutionEngine Support.
   7  *
   8  * Modified for 7751 Solution Engine by
   9  * Ian da Silva and Jeremy Siegel, 2001.
  10  */
  11
  12 #include <linux/config.h>
  13 #include <linux/init.h>
  14 #include <linux/irq.h>
  15 #include <asm/irq.h>
  16 #include <asm/se7751/se7751.h>
  17
  18 /*
  19  * Initialize IRQ setting
  20  */
  21 void __init init_7751se_IRQ(void)
  22 {
  23
  24   /* Leave old Solution Engine code in for reference. */
  25 #if defined(CONFIG_SH_SOLUTION_ENGINE)
  26         /*
  27          * Super I/O (Just mimic PC):
  28          *  1: keyboard
  29          *  3: serial 0
  30          *  4: serial 1
  31          *  5: printer
  32          *  6: floppy
  33          *  8: rtc
  34          * 12: mouse
  35          * 14: ide0
  36          */
  37         make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14);
  38         make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12);
  39         make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8);
  40         make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6);
  41         make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5);
  42         make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4);
  43         make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3);
  44         make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1);
  45
  46         make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
  47
  48         make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
  49         make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
  50         make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
  51         make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */
  52
  53         /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
  54         /* NOTE: #2 and #13 are not used on PC */
  55         make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
  56         make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
  57
  58 #elif defined(CONFIG_SH_7751_SOLUTION_ENGINE)
  59
  60         make_ipr_irq(13, BCR_ILCRD, 3, 2);
  61
  62         /* Add additional calls to make_ipr_irq() as drivers are added
  63          * and tested.
  64          */
  65 #endif
  66
  67 }