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3 Commits

Author SHA1 Message Date
Andriy Gapon
d1817e7db7 amdsbwd: update to support SB8xx southbridges 
Many thanks to Tino <tinotom@gmail.com> for drawing my attention to
this, for doing a lot of testing and providing great feedback.
Many thanks to AMD for continuing to release public specifications for
their chipsets.

PR:		kern/157568
Tested by:	Tino <tinotom@gmail.com>
MFC after:	1 week
 2011-06-07 06:18:02 +00:00
Andriy Gapon
fd63f40f93 amdsbwd: fix nonsensical timeout calculations 
in case when sub-second interval is being programmed

Found by:	clang static analyzer
MFC after:	4 days
 2010-05-31 09:07:23 +00:00
Andriy Gapon
5022f21bd9 amdsbwd: new driver for AMD SB600/SB7xx watchdog timer 
The hardware is compliant with WDRT specification, so I originally
considered including generic WDRT watchdog support, but decided
against it, because I couldn't find anyone to the code for me.
WDRT seems to be not very popular.
Besides, generic WDRT porbably requires a slightly different driver
approach.

Reviewed by:	des, gavin, rpaulo
MFC after:	3 weeks
 2009-11-30 11:44:03 +00:00