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kernel/linux-imx6_3.14.28/arch/mips/pci/fixup-sb1250.c 1.17 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   *	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);