diff options
| author | Casper Chang <casper_chang@wistron.corp-partner.google.com> | 2021-12-13 10:46:46 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-12-15 15:55:31 +0000 |
| commit | 0ccb7b2d48b6caed6a8423de9e01d4910eaf1b47 (patch) | |
| tree | d3f8afea8d759974ee4d6641d19490286bb0d4a4 | |
| parent | 1b66bbaf8380f72faffb48e2bb4f977fb8b3e958 (diff) | |
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>
| -rw-r--r-- | src/mainboard/google/brya/variants/primus/overridetree.cb | 6 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/primus4es/overridetree.cb | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/primus/overridetree.cb b/src/mainboard/google/brya/variants/primus/overridetree.cb index ef5ad98aca..58c52a703a 100644 --- a/src/mainboard/google/brya/variants/primus/overridetree.cb +++ b/src/mainboard/google/brya/variants/primus/overridetree.cb @@ -35,6 +35,12 @@ chip soc/intel/alderlake 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 ce06d30324..22d61b0a2e 100644 --- a/src/mainboard/google/brya/variants/primus4es/overridetree.cb +++ b/src/mainboard/google/brya/variants/primus4es/overridetree.cb @@ -35,6 +35,12 @@ chip soc/intel/alderlake 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 #+-------------------+---------------------------+ |