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From: Marius Strobl <marius@FreeBSD.org>
Date: Thu, 19 May 2005 23:00:46 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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Subject: cvs commit: src/sys/dev/usb ohci_pci.c
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marius      2005-05-19 23:00:46 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/usb          ohci_pci.c 
  Log:
  Recognize the integrated USB controllers of Sun PCIO-2 chips which
  are used onboard in most of the newer PCI-based sun4u machines
  (cosmetic change as they were also already probed as generic OHCI
  without this). Detect whether their intpin register is valid and
  correct it if necessary, i.e. set the respective IVAR to the right
  value for allocating the IRQ resource, as some of them come up
  having it set to 0 (mainly those used in Blade 100 and the first
  one on AX1105 boards). This fixes attaching affected controllers.
  Correcting the intpin value might be better off in the PCI code
  via a quirk table but on the other hand gem(4) and hem(4) also
  correct it themselves and at least for the USB controller part
  the intpin register is truely hardwired to 0 and can't be changed.
  This means that we would have to hook up the quirk information
  in a lot of places in the PCI code (i.e. whenever the value of the
  intpin register is read from or written to the pci_devinfo of the
  respective device) in order to do it the right way.
  
  MFC after:      1 month
  
  Revision  Changes    Path
  1.43      +14 -0     src/sys/dev/usb/ohci_pci.c