arch/mips/pci/fixup-ocelot-c.c

   1 /*
   2  * Copyright 2002 Momentum Computer Inc.
   3  * Author: Matthew Dharm <mdharm@momenco.com>
   4  *
   5  * Based on work for the Linux port to the Ocelot board, which is
   6  * Copyright 2001 MontaVista Software Inc.
   7  * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
   8  *
   9  * arch/mips/momentum/ocelot_g/pci.c
  10  *     Board-specific PCI routines for mv64340 controller.
  11  *
  12  * This program is free software; you can redistribute  it and/or modify it
  13  * under  the terms of  the GNU General  Public License as published by the
  14  * Free Software Foundation;  either version 2 of the  License, or (at your
  15  * option) any later version.
  16  */
  17 #include <linux/types.h>
  18 #include <linux/pci.h>
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21
  22 int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  23 {
  24         int bus = dev->bus->number;
  25
  26         if (bus == 0 && slot == 1)
  27                 return 2;       /* PCI-X A */
  28         if (bus == 1 && slot == 1)
  29                 return 12;      /* PCI-X B */
  30         if (bus == 1 && slot == 2)
  31                 return 4;       /* PCI B */
  32
  33 return 0;
  34         panic("Whooops in pcibios_map_irq");
  35 }
  36
  37 /* Do platform specific device initialization at pci_enable_device() time */
  38 int pcibios_plat_dev_init(struct pci_dev *dev)
  39 {
  40         return 0;
  41 }