release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/pci/fixup-mpc30x.c

   1 /*
   2  *  fixup-mpc30x.c, The Victor MP-C303/304 specific PCI fixups.
   3  *
   4  *  Copyright (C) 2002,2004  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/mpc30x.h>
  24
  25 static const int internal_func_irqs[] __initdata = {
  26         VRC4173_CASCADE_IRQ,
  27         VRC4173_AC97_IRQ,
  28         VRC4173_USB_IRQ,
  29 };
  30
  31 static const int irq_tab_mpc30x[] __initdata = {
  32  [12] = VRC4173_PCMCIA1_IRQ,
  33  [13] = VRC4173_PCMCIA2_IRQ,
  34  [29] = MQ200_IRQ,
  35 };
  36
  37 int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  38 {
  39         if (slot == 30)
  40                 return internal_func_irqs[PCI_FUNC(dev->devfn)];
  41
  42         return irq_tab_mpc30x[slot];
  43 }
  44
  45 /* Do platform specific device initialization at pci_enable_device() time */
  46 int pcibios_plat_dev_init(struct pci_dev *dev)
  47 {
  48         return 0;
  49 }