LXR linux/arch/mips/pci/fixup-sb1250.c

   1/*
   2 *      Copyright (C) 2004, 2006  MIPS Technologies, Inc.  All rights reserved.
   3 *          Author:     Maciej W. Rozycki <macro@mips.com>
   4 *
   5 *      This program is free software; you can redistribute it and/or
   6 *      modify it under the terms of the GNU General Public License
   7 *      as published by the Free Software Foundation; either version
   8 *      2 of the License, or (at your option) any later version.
   9 */
  10
  11#include <linux/init.h>
  12#include <linux/pci.h>
  13
  14/*
  15 * Set the BCM1250, etc. PCI host bridge's TRDY timeout
  16 * to the finite max.
  17 */
  18static void quirk_sb1250_pci(struct pci_dev *dev)
  19{
  20        pci_write_config_byte(dev, 0x40, 0xff);
  21}
  22DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI,
  23                        quirk_sb1250_pci);
  24
  25/*
  26 * The BCM1250, etc. PCI/HT bridge reports as a host bridge.
  27 */
  28static void quirk_sb1250_ht(struct pci_dev *dev)
  29{
  30        dev->class = PCI_CLASS_BRIDGE_PCI << 8;
  31}
  32DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT,
  33                        quirk_sb1250_ht);
  34
  35/*
  36 * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max.
  37 */
  38static void quirk_sp1011(struct pci_dev *dev)
  39{
  40        pci_write_config_byte(dev, 0x64, 0xff);
  41}
  42DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011,
  43                        quirk_sp1011);
  44