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-rw-r--r--src/soc/intel/common/block/acpi/Kconfig10
-rw-r--r--src/soc/intel/common/block/acpi/lpit.c3
2 files changed, 12 insertions, 1 deletions
diff --git a/src/soc/intel/common/block/acpi/Kconfig b/src/soc/intel/common/block/acpi/Kconfig
index c750e7ebd7..cc7d38fc83 100644
--- a/src/soc/intel/common/block/acpi/Kconfig
+++ b/src/soc/intel/common/block/acpi/Kconfig
@@ -65,3 +65,13 @@ config SOC_INTEL_UFS_LTR_DISQUALIFY
LTR needs to be disqualified for UFS in D3 to ensure PMC
ignores LTR from UFS IP which is infinite.
endif
+
+if SOC_INTEL_COMMON_BLOCK_ACPI_LPIT
+
+config SOC_INTEL_COMMON_BLOCK_ACPI_SLP_S0_FREQ_HZ
+ hex
+ help
+ Define the slp_s0_residency frequency to be reported in the
+ LPIT ACPI table.
+
+endif
diff --git a/src/soc/intel/common/block/acpi/lpit.c b/src/soc/intel/common/block/acpi/lpit.c
index de1e71dc24..37ffd7252f 100644
--- a/src/soc/intel/common/block/acpi/lpit.c
+++ b/src/soc/intel/common/block/acpi/lpit.c
@@ -56,7 +56,8 @@ unsigned long acpi_fill_lpit(unsigned long current)
sys_counter->residency_counter.bit_width = 32;
sys_counter->residency_counter.space_id = ACPI_ADDRESS_SPACE_MEMORY;
sys_counter->residency_counter.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
- sys_counter->counter_frequency = ACPI_LPIT_SLP_S0_FREQ;
+ sys_counter->counter_frequency =
+ CONFIG_SOC_INTEL_COMMON_BLOCK_ACPI_SLP_S0_FREQ_HZ;
/* Min. residency and worst-case latency (from FSP and vendor dumps) */
sys_counter->min_residency = 30000; /* break-even: 30 ms */