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| author | Lean Sheng Tan <sheng.tan@9elements.com> | 2022-09-06 19:58:27 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-09-09 12:02:16 +0000 |
| commit | 6435576c46af0bc567d5f4a84178a584c935b255 (patch) | |
| tree | 000e3878bc1f275bace7c096278e87723ca0d124 /src/mainboard/prodrive/atlas | |
| parent | e125bea5a06a84b8906b9bda1a3d2d7ab4c18a8e (diff) | |
| download | coreboot-6435576c46af0bc567d5f4a84178a584c935b255.tar.gz coreboot-6435576c46af0bc567d5f4a84178a584c935b255.tar.bz2 coreboot-6435576c46af0bc567d5f4a84178a584c935b255.zip | |
mb/prodrive/atlas: Configure Acoustic noise mitigation
- Enable Acoustic noise mitigation
- Set slow slew rate to fast/4 for VCCIA and VCCGT
- Disable fast slew rate for deep package C states for VCCIA and VCCGT
Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: Ia344d9d939c3323bac82afdf25d5fff81081f9c8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67380
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Diffstat (limited to 'src/mainboard/prodrive/atlas')
| -rw-r--r-- | src/mainboard/prodrive/atlas/devicetree.cb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/prodrive/atlas/devicetree.cb b/src/mainboard/prodrive/atlas/devicetree.cb index 0a85541fd2c2..d458dfa83b1c 100644 --- a/src/mainboard/prodrive/atlas/devicetree.cb +++ b/src/mainboard/prodrive/atlas/devicetree.cb @@ -22,6 +22,13 @@ chip soc/intel/alderlake [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)" |