mb/google/guybrush: Add STAPM values to overridetree
This enables STAPM power management. Values follow the AMD
specification.
BUG=b:185209734
TEST=Build & Boot guybrush
Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: Ib9f2ec9a8ac118c55ae53b9419ea4ff74ce7b599
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52650
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: chris wang <Chris.Wang@amd.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb
index 0beeea0e..3519170 100644
--- a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb
+++ b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb
@@ -35,6 +35,13 @@
device domain 0 on
end # domain
+ register "slow_ppt_limit_mW" = "25000"
+ register "fast_ppt_limit_mW" = "30000"
+ register "slow_ppt_time_constant_s" = "5"
+ register "stapm_time_constant_s" = "275"
+ register "sustained_power_limit_mW" = "15000"
+ register "thermctl_limit_degreeC" = "100"
+
# I2C Config
#+-------------------+---------------------------+
#| Field | Value |