arch/mips/pci/fixup-tb0219.c

   1 /*
   2  *  fixup-tb0219.c, The TANBAC TB0219 specific PCI fixups.
   3  *
   4  *  Copyright (C) 2003  Megasolution Inc. <matsu@megasolution.jp>
   5  *  Copyright (C) 2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 #include <linux/init.h>
  22 #include <linux/pci.h>
  23
  24 #include <asm/vr41xx/tb0219.h>
  25
  26 int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  27 {
  28         int irq = -1;
  29
  30         switch (slot) {
  31         case 12:
  32                 vr41xx_set_irq_trigger(TB0219_PCI_SLOT1_PIN,
  33                                        TRIGGER_LEVEL,
  34                                        SIGNAL_THROUGH);
  35                 vr41xx_set_irq_level(TB0219_PCI_SLOT1_PIN,
  36                                      LEVEL_LOW);
  37                 irq = TB0219_PCI_SLOT1_IRQ;
  38                 break;
  39         case 13:
  40                 vr41xx_set_irq_trigger(TB0219_PCI_SLOT2_PIN,
  41                                        TRIGGER_LEVEL,
  42                                        SIGNAL_THROUGH);
  43                 vr41xx_set_irq_level(TB0219_PCI_SLOT2_PIN,
  44                                      LEVEL_LOW);
  45                 irq = TB0219_PCI_SLOT2_IRQ;
  46                 break;
  47         case 14:
  48                 vr41xx_set_irq_trigger(TB0219_PCI_SLOT3_PIN,
  49                                        TRIGGER_LEVEL,
  50                                        SIGNAL_THROUGH);
  51                 vr41xx_set_irq_level(TB0219_PCI_SLOT3_PIN,
  52                                      LEVEL_LOW);
  53                 irq = TB0219_PCI_SLOT3_IRQ;
  54                 break;
  55         default:
  56                 break;
  57         }
  58
  59         return irq;
  60 }
  61
  62 /* Do platform specific device initialization at pci_enable_device() time */
  63 int pcibios_plat_dev_init(struct pci_dev *dev)
  64 {
  65         return 0;
  66 }