fixup-sb1250.c 1.2 KB

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  1. /*
  2. * arch/mips/pci/fixup-sb1250.c
  3. *
  4. * Copyright (C) 2004, 2006 MIPS Technologies, Inc. All rights reserved.
  5. * Author: Maciej W. Rozycki <macro@mips.com>
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License
  9. * as published by the Free Software Foundation; either version
  10. * 2 of the License, or (at your option) any later version.
  11. */
  12. #include <linux/init.h>
  13. #include <linux/pci.h>
  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. * The BCM1250, etc. PCI/HT bridge reports as a host bridge.
  26. */
  27. static void __init 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. * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max.
  35. */
  36. static void __init quirk_sp1011(struct pci_dev *dev)
  37. {
  38. pci_write_config_byte(dev, 0x64, 0xff);
  39. }
  40. DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011,
  41. quirk_sp1011);