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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>
This commit is contained in:
Sumeet Pawnikar 2019-07-23 22:02:16 +05:30 committed by Subrata Banik
parent 047cac7b42
commit 810527a4ea
2 changed files with 12 additions and 0 deletions
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1
src/soc/intel/cannonlake/Kconfig
View File

@ -97,6 +97,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG
select SOC_INTEL_COMMON_BLOCK_SMM select SOC_INTEL_COMMON_BLOCK_SMM
select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP
select SOC_INTEL_COMMON_BLOCK_THERMAL
select SOC_INTEL_COMMON_PCH_BASE select SOC_INTEL_COMMON_PCH_BASE
select SOC_INTEL_COMMON_NHLT select SOC_INTEL_COMMON_NHLT
select SOC_INTEL_COMMON_RESET select SOC_INTEL_COMMON_RESET

11
src/soc/intel/cannonlake/finalize.c
View File

@ -24,6 +24,7 @@
#include <intelblocks/lpc_lib.h> #include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h> #include <intelblocks/pcr.h>
#include <intelblocks/tco.h> #include <intelblocks/tco.h>
#include <intelblocks/thermal.h>
#include <reg_script.h> #include <reg_script.h>
#include <spi-generic.h> #include <spi-generic.h>
#include <soc/p2sb.h> #include <soc/p2sb.h>
@ -62,6 +63,16 @@ static void pch_finalize(void)
uint8_t reg8; uint8_t reg8;
tco_lockdown(); 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 * Disable ACPI PM timer based on dt policy
* *