diff options
Diffstat (limited to 'arch/mips/pci/fixup-sb1250.c')
| -rw-r--r-- | arch/mips/pci/fixup-sb1250.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-sb1250.c b/arch/mips/pci/fixup-sb1250.c new file mode 100644 index 000000000..8feae9154 --- /dev/null +++ b/arch/mips/pci/fixup-sb1250.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2004, 2006 MIPS Technologies, Inc. All rights reserved. + * Author: Maciej W. Rozycki <macro@mips.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/pci.h> + +/* + * Set the BCM1250, etc. PCI host bridge's TRDY timeout + * to the finite max. + */ +static void quirk_sb1250_pci(struct pci_dev *dev) +{ + pci_write_config_byte(dev, 0x40, 0xff); +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI, + quirk_sb1250_pci); + +/* + * The BCM1250, etc. PCI/HT bridge reports as a host bridge. + */ +static void quirk_sb1250_ht(struct pci_dev *dev) +{ + dev->class = PCI_CLASS_BRIDGE_PCI << 8; +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT, + quirk_sb1250_ht); + +/* + * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max. + */ +static void quirk_sp1011(struct pci_dev *dev) +{ + pci_write_config_byte(dev, 0x64, 0xff); +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011, + quirk_sp1011); |