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>

0 files changed, 0 insertions, 0 deletions