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authorFurquan Shaikh <furquan@google.com>2018-10-05 11:04:01 -0700
committerFurquan Shaikh <furquan@google.com>2018-10-10 20:21:43 +0000
commit99d258afcbb72c187c6aed6be3a0df6aac35722f (patch)
tree448e5c0f7bc55309051f75729015504ec706f005 /src/soc/sifive
parentd5325ddcc27535e13a224cb62759933186de0d39 (diff)
soc/intel/skylake: Set PCIEXPWAK_DIS if WAKE# pin is not enabled
This change sets PCIEXPWAK_DIS in PM1_EN register if WAKE# pin is not enabled on the platform. This is required to prevent unnecessary wakes if the WAKE# pin remains not connected on the platform. Function to set PCIEXPWAK_DIS gets called in normal boot path (BS_PAYLOAD_LOAD) as well as S3 resume path (BS_OS_RESUME). BUG=b:117284700 TEST=Verified that no spurious wakes are observed on nocturne. Change-Id: Iea93baffc9bb703c0ffedacafc6a9a9410c7ebfe Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/28939 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Nick Vaccaro <nvaccaro@google.com> Reviewed-by: Subrata Banik <subrata.banik@intel.com>
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