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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Sun, 16 May 2010 15:56:59 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/ofw ofw_if.m ofw_standard.c openfirm.c
 openfirm.h src/sys/powerpc/aim ofw_machdep.c src/sys/powerpc/ofw
 ofw_real.c
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nwhitehorn    2010-05-16 15:56:59 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/ofw          ofw_if.m ofw_standard.c openfirm.c 
                         openfirm.h 
    sys/powerpc/aim      ofw_machdep.c 
    sys/powerpc/ofw      ofw_real.c 
  Log:
  SVN rev 208152 on 2010-05-16 15:56:59Z by nwhitehorn
  
  On PowerMac11,2 and (presumably) PowerMac12,1, we need to quiesce the
  firmware in order to take over control of the SMU. Without doing this,
  the firmware background process doing fan control will run amok as we
  take over the system and crash the management chip.
  
  This is limited to these two machines because our kernel is heavily
  dependent on firmware accesses, and so quiescing firmware can cause
  nasty problems.
  
  Revision  Changes    Path
  1.3       +7 -0      src/sys/dev/ofw/ofw_if.m
  1.7       +19 -0     src/sys/dev/ofw/ofw_standard.c
  1.26      +9 -0      src/sys/dev/ofw/openfirm.c
  1.19      +1 -0      src/sys/dev/ofw/openfirm.h
  1.27      +13 -0     src/sys/powerpc/aim/ofw_machdep.c
  1.5       +23 -0     src/sys/powerpc/ofw/ofw_real.c