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/pci.h>
  12
  13/*
  14 * Set the BCM1250, etc. PCI host bridge's TRDY timeout
  15 * to the finite max.
  16 */
  17static void quirk_sb1250_pci(struct pci_dev *dev)
  18{
  19        pci_write_config_byte(dev, 0x40, 0xff);
  20}
  21DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI,
  22                        quirk_sb1250_pci);
  23
  24/*
  25 * The BCM1250, etc. PCI/HT bridge reports as a host bridge.
  26 */
  27static void quirk_sb1250_ht(struct pci_dev *dev)
  28{
  29        dev->class = PCI_CLASS_BRIDGE_PCI << 8;
  30}
  31DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT,
  32                        quirk_sb1250_ht);
  33
  34/*
  35 * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max.
  36 */
  37static void quirk_sp1011(struct pci_dev *dev)
  38{
  39        pci_write_config_byte(dev, 0x64, 0xff);
  40}
  41DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011,
  42                        quirk_sp1011);
  43