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 13 #include <linux/init.h> 14 #include <linux/pci.h> 15 16 /* 17 * Set the BCM1250, etc. PCI host bridge's TRDY timeout 18 * to the finite max. 19 */ 20 static void __init quirk_sb1250_pci(struct pci_dev *dev) 21 { 22 pci_write_config_byte(dev, 0x40, 0xff); 23 } 24 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI, 25 quirk_sb1250_pci); 26 27 /* 28 * The BCM1250, etc. PCI/HT bridge reports as a host bridge. 29 */ 30 static void __init quirk_sb1250_ht(struct pci_dev *dev) 31 { 32 dev->class = PCI_CLASS_BRIDGE_PCI << 8; 33 } 34 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT, 35 quirk_sb1250_ht); 36 37 /* 38 * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max. 39 */ 40 static void __init quirk_sp1011(struct pci_dev *dev) 41 { 42 pci_write_config_byte(dev, 0x64, 0xff); 43 } 44 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011, 45 quirk_sp1011); 46