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authorAaron Durbin <adurbin@chromium.org>2013-10-29 10:57:31 -0500
committerAaron Durbin <adurbin@google.com>2014-02-27 06:12:25 +0100
commit67633a558a2cc55215565ee8e9079c97acc87171 (patch)
tree258b5bea25d16e8a58ed259b8cd3ced85481637c /src/cpu/x86
parentcf6c9cc29cedfd533da8cfaa8481560bce739097 (diff)
baytrail: use MCRX in iosf access functions
While most registers accesses don't need the use of the MCRX register (upper 24 bits of address) the MCRX register should be protected. The reference code could be doing accesses to registers that initialized the MCRX register. Thus, any access after that should ensure the MCRX register is initialized appropriately. BUG=None BRANCH=None TEST=Verified assembly output. Also, built and booted through depthcharge. Change-Id: I4d6cfbe6bb1666790c69778b8f2c8baeaf015264 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/174643 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4909 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/cpu/x86')
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