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authorSukumar Ghorai <sukumar.ghorai@intel.com>2023-10-07 23:21:47 -0700
committerSubrata Banik <subratabanik@google.com>2023-10-18 06:24:15 +0000
commit814bfc792c7e45ce086415de115075d714739b21 (patch)
tree3774ea2ac7ae63ac2a833da5df32220886b2b148 /src/soc/intel/meteorlake/Kconfig
parentbd9c562a9e0c6af65f5e798a17ba9a55892ef082 (diff)
soc/intel/mtl: Set slp-s0 counter frequency
System sleep time (SLP_S0 signal asserted) is measured in ticks, for Meteor Lake soc in 122us (i.e. ~8197Hz) granularity/ticks. Change-Id: I1e95cd69e941d4d72d5c36a07660ca07ee2499ba Signed-off-by: Sukumar Ghorai <sukumar.ghorai@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/78277 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kapil Porwal <kapilporwal@google.com> Reviewed-by: Subrata Banik <subratabanik@google.com>
Diffstat (limited to 'src/soc/intel/meteorlake/Kconfig')
-rw-r--r--src/soc/intel/meteorlake/Kconfig6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig
index b1a1cadf73..968d1a1d6b 100644
--- a/src/soc/intel/meteorlake/Kconfig
+++ b/src/soc/intel/meteorlake/Kconfig
@@ -447,4 +447,10 @@ config SOC_INTEL_CSE_FW_PARTITION_CMOS_OFFSET
int
default 161
+config ACPI_SOC_INTEL_SLP_S0_FREQ_HZ
+ hex
+ default 0x2005
+ help
+ slp_s0_residency granularity in 122us ticks (i.e. ~8.2KHz) in Meteor Lake.
+
endif