acrn-kernel/arch/mips/pci/fixup-sb1250.c

46 lines
1.2 KiB
C

/*
* arch/mips/pci/fixup-sb1250.c
*
* 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/init.h>
#include <linux/pci.h>
/*
* Set the BCM1250, etc. PCI host bridge's TRDY timeout
* to the finite max.
*/
static void __init 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 __init 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 __init 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);