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authorNaresh G Solanki <naresh.solanki@intel.com>2017-04-25 12:09:07 +0530
committerMartin Roth <martinroth@google.com>2017-05-02 17:08:57 +0200
commitc261c4b426ac806cca732bb30459f0e6e855828a (patch)
treed582234f08a25e429d4e092c8ef51cc9a97e2c38 /src/soc/intel/broadwell
parent7f2c29b6d6c3d89bc92ad76517821848ed8c23d2 (diff)
soc/intel/skylake: Set xtal bypass on low power idle
When using Wake On Voice &/or DCI, it requires xtal to be active during low power idle. With xtal being active in S0ix state power impact is 1-2 mW. Hence set xtal bypass bit in CIR31C for low power idle entry. TEST= Build with s0ix enable for Poppy. Boot to OS & verify that bit 22 of CIR31C register is set. s0ix works. Change-Id: Ide2d01536f652cd1b0ac32eede89ec410c5101cf Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com> Reviewed-on: https://review.coreboot.org/19442 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc/intel/broadwell')
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