[coreboot-gerrit] Change in coreboot[master]: soc/intel/cannonlake: Set PCH Thermal Sensor configuration for S0ix

[Sumeet R Pawnikar (Code Review)]

Sumeet R Pawnikar has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/34522 )

Change subject: soc/intel/cannonlake: Set PCH Thermal Sensor configuration for S0ix
......................................................................

soc/intel/cannonlake: Set PCH Thermal Sensor configuration for S0ix

Set PCH thermal sensor for dynamic thermal shutdown when S0ix is enabled.

BUG=None
BRANCH=None
TEST=Verified Thermal Device (B0: D18: F0) TSPM offset 0x1c [LTT (8:0)]
value is 0xFE.

Change-Id: I50796bcf9e0d5a65cd7ba63fedd932967c4c1ff9
Signed-off-by: Sumeet Pawnikar 
---
M src/soc/intel/cannonlake/finalize.c
1 file changed, 11 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/22/34522/1

diff --git a/src/soc/intel/cannonlake/finalize.c b/src/soc/intel/cannonlake/finalize.c
index 6083cab..eed042e 100644
--- a/src/soc/intel/cannonlake/finalize.c
+++ b/src/soc/intel/cannonlake/finalize.c
@@ -33,6 +33,7 @@
 #include <soc/smbus.h>
 #include <soc/systemagent.h>
 #include <stdlib.h>
+#include <soc/intel/common/pch/include/thermal.h>

#include "chip.h"

@@ -62,6 +63,16 @@
    uint8_t reg8;

tco_lockdown();
+
+	/*
+	 * Set low maximum temp threshold value used for dynamic thermal sensor
+	 * shutdown consideration.
+	 *
+	 * If Dynamic Thermal Shutdown is enabled then PMC logic shuts down the
+	 * thermal sensor when CPU is in a C-state and DTS Temp <= LTT.
+	 */
+	pch_thermal_configuration();
+
    /*
     * Disable ACPI PM timer based on dt policy
     *