[XS] Change in coreboot[main]: soc/intel/mtl: Set slp-s0 counter frequency

[Sukumar Ghorai (Code Review)]

Attention is currently required from: Eran Mitrani, Kapil Porwal, Subrata Banik, Tarun.

Sukumar Ghorai has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/78277?usp=email )

Change subject: soc/intel/mtl: Set slp-s0 counter frequency
......................................................................

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 
---
M src/soc/intel/meteorlake/Kconfig
1 file changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/77/78277/1

diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig
index 48030a1..03884e7 100644
--- a/src/soc/intel/meteorlake/Kconfig
+++ b/src/soc/intel/meteorlake/Kconfig
@@ -451,4 +451,10 @@
    int
    default 161

+config ACPI_SOC_INTEL_SLP_S0_FREQ_HZ
+	hex
+	default 0x2005
+	help
+	  slp_s0_residency granularity in 122us ticks (i.e. ~8197 Hz) in Meteor Lake.
+
 endif