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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mips/pci/fixup-sb1250.c
10818 views
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/*

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 *	Copyright (C) 2004, 2006  MIPS Technologies, Inc.  All rights reserved.

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 *	    Author:	Maciej W. Rozycki <[email protected]>

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 *

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 *	This program is free software; you can redistribute it and/or

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 *	modify it under the terms of the GNU General Public License

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 *	as published by the Free Software Foundation; either version

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 *	2 of the License, or (at your option) any later version.

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 */

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#include <linux/init.h>

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#include <linux/pci.h>

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/*

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 * Set the BCM1250, etc. PCI host bridge's TRDY timeout

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 * to the finite max.

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 */

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static void __init quirk_sb1250_pci(struct pci_dev *dev)

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{

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	pci_write_config_byte(dev, 0x40, 0xff);

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}

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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI,

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			quirk_sb1250_pci);

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/*

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 * The BCM1250, etc. PCI/HT bridge reports as a host bridge.

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 */

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static void __init quirk_sb1250_ht(struct pci_dev *dev)

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{

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	dev->class = PCI_CLASS_BRIDGE_PCI << 8;

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}

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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT,

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			quirk_sb1250_ht);

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/*

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 * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max.

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 */

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static void __init quirk_sp1011(struct pci_dev *dev)

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{

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	pci_write_config_byte(dev, 0x64, 0xff);

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}

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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIPACKETS, PCI_DEVICE_ID_SP1011,

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			quirk_sp1011);

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