mb/google/rex/var/screebo: Configure slew rate to 1/8 for GT domain
set slew rate to 1/8 for GT domain.
BUG=b:312405633
BRANCH=none
TEST=Able to build and boot google/screebo
Change-Id: Ib5cb07b7effc4a51c2119183010a03e026f639f8
Signed-off-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79628
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Rui Zhou <zhourui@huaqin.corp-partner.google.com>
diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index 0a66fdb..3af628d 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -92,10 +92,13 @@
# Acoustic Noise settings and slew rate configuration:
# slew rate for IA Domain: Fast/8
+ # slew rate for GT Domain: Fast/8
# Ignore slew rate configuration for SA Domain
register "enable_acoustic_noise_mitigation" = "1"
register "disable_fast_pkgc_ramp[VR_DOMAIN_IA]" = "1"
register "slow_slew_rate_config[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+ register "disable_fast_pkgc_ramp[VR_DOMAIN_GT]" = "1"
+ register "slow_slew_rate_config[VR_DOMAIN_GT]" = "SLEW_FAST_8"
register "slow_slew_rate_config[VR_DOMAIN_SA]" = "SLEW_IGNORE"