Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/60071 )
Change subject: mb/google/brya/var/primus{4es}: Configure Acoustic noise mitigation ......................................................................
mb/google/brya/var/primus{4es}: Configure Acoustic noise mitigation
- Enable Acoustic noise mitigation - Set slow slew rate VCCIA and VCCGT to 8
BUG=b:204844399 TEST=USE="project_primus emerge-brya coreboot" and verified the setting meets the audible noise specification
Signed-off-by: Casper Chang casper_chang@wistron.corp-partner.google.com Change-Id: I0e0baf78a841278efda912cc5e4e9970329aacf6 Reviewed-on: https://review.coreboot.org/c/coreboot/+/60071 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Tim Wawrzynczak twawrzynczak@chromium.org --- M src/mainboard/google/brya/variants/primus/overridetree.cb M src/mainboard/google/brya/variants/primus4es/overridetree.cb 2 files changed, 12 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Tim Wawrzynczak: Looks good to me, approved
diff --git a/src/mainboard/google/brya/variants/primus/overridetree.cb b/src/mainboard/google/brya/variants/primus/overridetree.cb index ef5ad98..58c52a7 100644 --- a/src/mainboard/google/brya/variants/primus/overridetree.cb +++ b/src/mainboard/google/brya/variants/primus/overridetree.cb @@ -35,6 +35,12 @@ register "gpio_pm[COMM_5]" = "0" register "SaGv" = "SaGv_Enabled" register "MaxDramSpeed" = "3733" + # Acoustic settings + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8" + register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1"
# Intel Common SoC Config #+-------------------+---------------------------+ diff --git a/src/mainboard/google/brya/variants/primus4es/overridetree.cb b/src/mainboard/google/brya/variants/primus4es/overridetree.cb index ce06d30..22d61b0 100644 --- a/src/mainboard/google/brya/variants/primus4es/overridetree.cb +++ b/src/mainboard/google/brya/variants/primus4es/overridetree.cb @@ -35,6 +35,12 @@ register "gpio_pm[COMM_5]" = "0" register "SaGv" = "SaGv_Enabled" register "MaxDramSpeed" = "3733" + # Acoustic settings + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8" + register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1"
# Intel Common SoC Config #+-------------------+---------------------------+
1 is the latest approved patch-set. No files were changed between the latest approved patch-set and the submitted one.