soc/intel/meteorlake: add power limits for 28W SKU
Add power limit values for Meteor Lake 28W SKU.
Reference: Intel MTL-UH_Power_Map_Rev1p2, doc: 640982
BRANCH=None
BUG=b:289854108
TEST=Build FW
Change-Id: I0b4741185278913d11d902d53345ae8ccebb18f8
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76239
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/soc/intel/meteorlake/chipset.cb b/src/soc/intel/meteorlake/chipset.cb
index b98e4f3..1f68eff 100644
--- a/src/soc/intel/meteorlake/chipset.cb
+++ b/src/soc/intel/meteorlake/chipset.cb
@@ -8,6 +8,12 @@
.tdp_pl4 = 114,
}"
+ register "power_limits_config[MTL_P_682_CORE]" = "{
+ .tdp_pl1_override = 28,
+ .tdp_pl2_override = 64,
+ .tdp_pl4 = 120,
+ }"
+
# NOTE: if any variant wants to override this value, use the same format
# as register "common_soc_config.pch_thermal_trip" = "value", instead of
# putting it under register "common_soc_config" in overridetree.cb file.