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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Wed, 5 Mar 2008 16:46:38 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/powerpc/mpc85xx pci_ocp.c
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marcel      2008-03-05 16:46:38 UTC

  FreeBSD src repository

  Modified files:
    sys/powerpc/mpc85xx  pci_ocp.c 
  Log:
  o  Various fixes related to PCI Express:
     - Even for the PCI Express host controller we need to use bus 0
       for configuration space accesses to devices directly on the
       host controller's bus.
     - Pass the maximum number of slots to pci_ocp_init() because the
       caller knows how many slots the bus has. Previously a PCI or
       PCI-X bus underneath a PCI Express host controller would not
       be enumerated properly.
  o  Pull the interrupt routing logic out of pci_ocp_init() and into
     its own function. The logic is not quite right and is expected
     to be a bit more complex.
  o  Fix/add support for PCI domains. The PCI domain is the unit
     number as per other PCI host controller drivers. As such, we
     can use logical bus numbers again and don't have to guarantee
     globally unique bus numbers. Remove pci_ocp_busnr. Return the
     highest bus number ito the caller of pci_ocp_init() now that
     we don't have a global variable anymore.
  o  BAR programming fixes:
     - Non-type0 headers have at most 1 BAR, not 0.
     - First write ~0 to the BAR in question and then read back its
       size.
  
  Obtained from: Juniper Networks (mostly)
  
  Revision  Changes    Path
  1.2       +65 -37    src/sys/powerpc/mpc85xx/pci_ocp.c