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authorRen Kuo <ren.kuo@quanta.corp-partner.google.com>2021-01-29 10:22:30 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-02-01 08:53:57 +0000
commit460b4f8dfd37cb06fe2a60c57abcc2b2564f8100 (patch)
treede29bd018f5aad1c7e75c2ec549d22648038d91d /src/mainboard/google
parent1e9ea81a7f1c081ac2a45949157be1896ee84589 (diff)
mb/google/dedede/var/magolor: Configure Acoustic noise mitigation UPDs
Enable Acoustic noise mitigation for magolor and set slew rate to 1/8 which is calibrated value for the board. BUG=b:178678267 BRANCH=dedede TEST=build firmware to UPD and Acoustic noise test Signed-off-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com> Change-Id: Idea2a801399bb5c7e0b8e59ee7a826c86a44f4ea Reviewed-on: https://review.coreboot.org/c/coreboot/+/50099 Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/dedede/variants/magolor/overridetree.cb6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/magolor/overridetree.cb b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
index 78d5ddea37..23932c3fd4 100644
--- a/src/mainboard/google/dedede/variants/magolor/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
@@ -71,6 +71,12 @@ chip soc/intel/jasperlake
register "tcc_offset" = "15" # TCC of 90C
+ # Enable Acoustic noise mitigation and set slew rate to 1/8
+ # Rest of the parameters are 0 by default.
+ register "AcousticNoiseMitigation" = "1"
+ register "SlowSlewRate" = "SlewRateFastBy8"
+ register "FastPkgCRampDisable" = "1"
+
device domain 0 on
device pci 04.0 on
chip drivers/intel/dptf