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authorSumeet Pawnikar <sumeet.r.pawnikar@intel.com>2019-07-23 22:02:16 +0530
committerSubrata Banik <subrata.banik@intel.com>2019-07-31 04:27:48 +0000
commit810527a4eacedfb4d63dd90d413be53c9119d024 (patch)
treec9611e1f42ec82d9f00852a2582be36e1dfa0313 /src/soc
parent047cac7b42eaf5b799e653ed1cc4a1b13e3f95e4 (diff)
downloadcoreboot-810527a4eacedfb4d63dd90d413be53c9119d024.tar.xz
soc/intel/cannonlake: Enable PCH Thermal Sensor configuration for S0ix
Enable PCH thermal sensor for dynamic thermal shutdown for S0ix state. 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 <sumeet.r.pawnikar@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34522 Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Subrata Banik <subrata.banik@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/cannonlake/Kconfig1
-rw-r--r--src/soc/intel/cannonlake/finalize.c11
2 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index f859cd5af8..862b2e6908 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -97,6 +97,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG
select SOC_INTEL_COMMON_BLOCK_SMM
select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP
+ select SOC_INTEL_COMMON_BLOCK_THERMAL
select SOC_INTEL_COMMON_PCH_BASE
select SOC_INTEL_COMMON_NHLT
select SOC_INTEL_COMMON_RESET
diff --git a/src/soc/intel/cannonlake/finalize.c b/src/soc/intel/cannonlake/finalize.c
index 6083cab010..c99653b75a 100644
--- a/src/soc/intel/cannonlake/finalize.c
+++ b/src/soc/intel/cannonlake/finalize.c
@@ -24,6 +24,7 @@
#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
#include <intelblocks/tco.h>
+#include <intelblocks/thermal.h>
#include <reg_script.h>
#include <spi-generic.h>
#include <soc/p2sb.h>
@@ -62,6 +63,16 @@ static void pch_finalize(void)
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
*