Lean Sheng Tan has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/67380 )
Change subject: mb/prodrive/atlas: Configure Acoustic noise mitigation ......................................................................
mb/prodrive/atlas: Configure Acoustic noise mitigation
- Enable Acoustic noise mitigation - Set slow slew rate VCCIA and VCCGT to 4 - Set FastPkgCRampDisable VCCIA and VCCGT to 1
Signed-off-by: Lean Sheng Tan sheng.tan@9elements.com Change-Id: Ia344d9d939c3323bac82afdf25d5fff81081f9c8 --- M src/mainboard/prodrive/atlas/devicetree.cb 1 file changed, 21 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/80/67380/1
diff --git a/src/mainboard/prodrive/atlas/devicetree.cb b/src/mainboard/prodrive/atlas/devicetree.cb index 0a85541..d458dfa 100644 --- a/src/mainboard/prodrive/atlas/devicetree.cb +++ b/src/mainboard/prodrive/atlas/devicetree.cb @@ -22,6 +22,13 @@ [DDI_PORT_2] = DDI_ENABLE_HPD | DDI_ENABLE_DDC, }"
+ # Acoustic settings + register "acoustic_noise_mitigation" = "1" + register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_4" + register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_4" + register "fast_pkg_c_ramp_disable[VR_DOMAIN_IA]" = "1" + register "fast_pkg_c_ramp_disable[VR_DOMAIN_GT]" = "1" + # USB configuration register "usb2_ports[0]" = "USB2_PORT_MID(OC0)" register "usb2_ports[1]" = "USB2_PORT_MID(OC0)"