heads/patches/coreboot-4.7/0015-purism-librem_skl-Fix-Librem-15-v3-devicetree-config.patch

From bdaef1d8aa7cdfb27122665f951932e6e53d6a3d Mon Sep 17 00:00:00 2001
From: Youness Alaoui <youness.alaoui@puri.sm>
Date: Fri, 2 Mar 2018 17:03:11 -0500
Subject: [PATCH 15/15] purism/librem_skl: Fix Librem 15 v3 devicetree
 configuration

Recent changes to devicetree for librem_skl were only applied
to the librem13v2 variant (Enable SpeedStep, VMX, TCC at 95C),
this fixes it by applying the same fixes for the Librem 15 v3.

Change-Id: I1d5c3ba844c942bd94311f4639612228ff8e07f8
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
---
 .../purism/librem_skl/variants/librem15v3/devicetree.cb          | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mainboard/purism/librem_skl/variants/librem15v3/devicetree.cb b/src/mainboard/purism/librem_skl/variants/librem15v3/devicetree.cb
index 6cf183a61f..035db18eff 100644
--- a/src/mainboard/purism/librem_skl/variants/librem15v3/devicetree.cb
+++ b/src/mainboard/purism/librem_skl/variants/librem15v3/devicetree.cb
@@ -7,6 +7,15 @@ chip soc/intel/skylake
 	register "deep_s5_enable_dc" = "0"
 	register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN"
 
+	register "eist_enable" = "1"
+	register "VmxEnable" = "1"
+
+	# Set the Thermal Control Circuit (TCC) activaction value to 95C
+	# even though FSP integration guide says to set it to 100C for SKL-U
+	# (offset at 0), because when the TCC activates at 100C, the CPU
+	# will have already shut itself down from overheating protection.
+	register "tcc_offset" = "5" # TCC of 95C
+
 	# GPE configuration
 	# Note that GPE events called out in ASL code rely on this
 	# route. i.e. If this route changes then the affected GPE
-- 
2.14.3