intel/skylake: Enable PROCHOT
commit79cfcde4589f4ab07a721c509b9fa59060e091cc
authorPratik Prajapati <pratikkumar.v.prajapati@intel.com>
Tue, 8 Mar 2016 20:34:06 +0000 (8 12:34 -0800)
committerMartin Roth <martinroth@google.com>
Tue, 29 Mar 2016 21:38:36 +0000 (29 23:38 +0200)
treee6a37513c0ac75954d2110a0f56f170275ff23e8
parent89cc9ce399845382c2180cd6ee8d2482521aeed1
intel/skylake: Enable PROCHOT

This patch would enable PROCHOT feature in skylake. Asserting
PROCHOT line would throttle the GPU/CPU.

BUG=chrome-os-partner:51142
BRANCH=glados
TEST=manually tested on lars. asserting PROCTHOT by EC
reduces FSP in fish-tank from approx 40 to 20. (50 fish setting),
also CPU freq. drops to from 1600000 to 400000

Change-Id: I8fc0c015ea2c26d20bbbfc619f720f231d540feb
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 1b88b1f183df9c7362d7e58acb0a1fa0b076d56e
Original-Change-Id: Ida8636efc3d8da56ebd3931144d31ab1b88fe806
Original-Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/331690
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Original-(cherry picked from commit d091a999c3827179182b62a1274a9b3581f7f006)
Original-Reviewed-on: https://chromium-review.googlesource.com/333073
Original-Commit-Ready: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com>
Original-Tested-by: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com>
Original-Reviewed-by: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/14120
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
src/soc/intel/skylake/cpu.c