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