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  */
  17 static void quirk_sb1250_pci(struct pci_dev *dev)
  18 {
  19         pci_write_config_byte(dev, 0x40, 0xff);
  20 }
  21 DECLARE_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  */
  27 static void quirk_sb1250_ht(struct pci_dev *dev)
  28 {
  29         dev->class = PCI_CLASS_BRIDGE_PCI << 8;
  30 }
  31 DECLARE_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  */
  37 static void quirk_sp1011(struct pci_dev *dev)
  38 {
  39         pci_write_config_byte(dev, 0x64, 0xff);
  40 }
  41 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011,
  42                         quirk_sp1011);