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authorAaron Durbin <adurbin@chromium.org>2015-08-04 21:04:02 -0500
committerAaron Durbin <adurbin@chromium.org>2015-08-14 15:16:51 +0200
commit6fd5bd20d389a85c360d473bd60e73441b71c306 (patch)
treee65206e7deb1079c8bcf5d833e170aaba289cc34 /payloads
parent04a066661df161426ab58964ac9e0c84e33e98d1 (diff)
downloadcoreboot-6fd5bd20d389a85c360d473bd60e73441b71c306.tar.xz
skylake: clear write-1-to-clear fields in power regs
Explicitly clear all write-1-to-clear fields in the appropriate power state registers. That way stale state isn't left around from boot to boot. The MMIO PMC registers are always added such that the resource can be accessed from reg_script. It doesn't hurt to add the resource, and it's actually more informative by attaching the actual resources owned by the device. BUG=chrome-os-partner:43625 BRANCH=None TEST=Built and boot glados. Did global reset. Noticed bits set. Did normal reset and saw those same bits no longer set. Original-Change-Id: Idd412bd6bf2c6c57b46c74f9411bdf8413ddd83e Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/290339 Change-Id: Ibef1aefedf6ba006f17f9f94998a10b39cc6bfec Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11186 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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