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From: Marius Strobl <marius@FreeBSD.org>
Date: Sat, 6 Oct 2007 20:50:18 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc: 
Subject: cvs commit: src/sys/sparc64/pci ofw_pcibus.c
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marius      2007-10-06 20:50:18 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/sparc64/pci      ofw_pcibus.c 
  Log:
  MFC: 1.15; 1.16
  
  - Remove unused softc.
  - Use the actual clock frequency of the PCI bus instead of assuming
    33MHz for calculating the latency timer values for its children.
    Inspired by NetBSD doing the same and Linux as well as OpenSolaris
    using a similar approach.
    While at it rename a variable and change its type to be more
    appropriate fuer values of PCI properties so the variable can be
    more easily reused.
  - Initialize the cache line size register of PCI devices to a
    legal value; the cache line size is limited to 64 bytes by the
    Fireplane/Safari, JBus and UPA interconnection busses. Setting
    it to an unsupported value caused bad performance at least with
    GEM as it causes them to not do cache line bursts and to not
    issue cache line commands on the PCI bus.
  
  Revision  Changes    Path
  1.6.2.5   +17 -20    src/sys/sparc64/pci/ofw_pcibus.c