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

   1 /*
   2  * linux/arch/sh/boards/se/770x/irq.c
   3  *
   4  * Copyright (C) 2000  Kazumoto Kojima
   5  *
   6  * Hitachi SolutionEngine Support.
   7  *
   8  */
   9
  10 #include <linux/config.h>
  11 #include <linux/init.h>
  12 #include <linux/irq.h>
  13 #include <asm/irq.h>
  14 #include <asm/io.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 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
  34         /* Disable all interrupts */
  35         ctrl_outw(0, BCR_ILCRA);
  36         ctrl_outw(0, BCR_ILCRB);
  37         ctrl_outw(0, BCR_ILCRC);
  38         ctrl_outw(0, BCR_ILCRD);
  39         ctrl_outw(0, BCR_ILCRE);
  40         ctrl_outw(0, BCR_ILCRF);
  41         ctrl_outw(0, BCR_ILCRG);
  42         /* This is default value */
  43         make_ipr_irq(0xf-0x2, BCR_ILCRA, 2, 0x2);
  44         make_ipr_irq(0xf-0xa, BCR_ILCRA, 1, 0xa);
  45         make_ipr_irq(0xf-0x5, BCR_ILCRB, 0, 0x5);
  46         make_ipr_irq(0xf-0x8, BCR_ILCRC, 1, 0x8);
  47         make_ipr_irq(0xf-0xc, BCR_ILCRC, 0, 0xc);
  48         make_ipr_irq(0xf-0xe, BCR_ILCRD, 3, 0xe);
  49         make_ipr_irq(0xf-0x3, BCR_ILCRD, 1, 0x3); /* LAN */
  50         make_ipr_irq(0xf-0xd, BCR_ILCRE, 2, 0xd);
  51         make_ipr_irq(0xf-0x9, BCR_ILCRE, 1, 0x9);
  52         make_ipr_irq(0xf-0x1, BCR_ILCRE, 0, 0x1);
  53         make_ipr_irq(0xf-0xf, BCR_ILCRF, 3, 0xf);
  54         make_ipr_irq(0xf-0xb, BCR_ILCRF, 1, 0xb);
  55         make_ipr_irq(0xf-0x7, BCR_ILCRG, 3, 0x7);
  56         make_ipr_irq(0xf-0x6, BCR_ILCRG, 2, 0x6);
  57         make_ipr_irq(0xf-0x4, BCR_ILCRG, 1, 0x4);
  58 #else
  59         make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14);
  60         make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12);
  61         make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8);
  62         make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6);
  63         make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5);
  64         make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4);
  65         make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3);
  66         make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1);
  67
  68         make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
  69
  70         make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
  71         make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
  72         make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
  73         make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */
  74
  75         /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
  76         /* NOTE: #2 and #13 are not used on PC */
  77         make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
  78         make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
  79 #endif
  80 }