LXR linux/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
  25int __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 */
  62int pcibios_plat_dev_init(struct pci_dev *dev)
  63{
  64        return 0;
  65}
  66