arch/mips/pci/fixup-tb0287.c

   1 /*
   2  *  fixup-tb0287.c, The TANBAC TB0287 specific PCI fixups.
   3  *
   4  *  Copyright (C) 2005  Yoichi Yuasa <yuasa@linux-mips.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #include <linux/init.h>
  21 #include <linux/pci.h>
  22
  23 #include <asm/vr41xx/tb0287.h>
  24
  25 int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  26 {
  27         unsigned char bus;
  28         int irq = -1;
  29
  30         bus = dev->bus->number;
  31         if (bus == 0) {
  32                 switch (slot) {
  33                 case 16:
  34                         irq = TB0287_SM501_IRQ;
  35                         break;
  36                 case 17:
  37                         irq = TB0287_SIL680A_IRQ;
  38                         break;
  39                 default:
  40                         break;
  41                 }
  42         } else if (bus == 1) {
  43                 switch (PCI_SLOT(dev->devfn)) {
  44                 case 0:
  45                         irq = TB0287_PCI_SLOT_IRQ;
  46                         break;
  47                 case 2:
  48                 case 3:
  49                         irq = TB0287_RTL8110_IRQ;
  50                         break;
  51                 default:
  52                         break;
  53                 }
  54         } else if (bus > 1) {
  55                 irq = TB0287_PCI_SLOT_IRQ;
  56         }
  57
  58         return irq;
  59 }
  60
  61 /* Do platform specific device initialization at pci_enable_device() time */
  62 int pcibios_plat_dev_init(struct pci_dev *dev)
  63 {
  64         return 0;
  65 }