From 69bcf763ab05de9d78b02d8ece9715375570c480 Mon Sep 17 00:00:00 2001 From: Patrick Huang Date: Wed, 22 Mar 2023 14:07:47 +0800 Subject: [PATCH] mb/google/skyrim: Add UPD usb3_port_force_gen1 for skyrim Add UPD usb3_port_force_gen1 for skyrim The default setting is set to disable Skyrim -> set default as disable BUG=b:273841155 BRANCH=skyrim TEST=Build, verify the setting will be applied on skyrim. Change-Id: Id53bed82a9fef93b574c3f30830555e02d7f4737 Signed-off-by: Patrick Huang Reviewed-on: https://review.coreboot.org/c/coreboot/+/73917 Tested-by: build bot (Jenkins) Reviewed-by: Felix Held --- .../google/skyrim/variants/skyrim/overridetree.cb | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb index 512104da4e..eb16120c96 100644 --- a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb +++ b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb @@ -32,6 +32,13 @@ chip soc/amd/mendocino # Remove the sustained_power_limit_mW when STT is enabled register "sustained_power_limit_mW" = "15000" + # set usb3 port force to gen1 + register "usb3_port_force_gen1" = "{ + .ports.xhci0_port0 = 0, + .ports.xhci1_port0 = 0, + .ports.xhci1_port1 = 0, + }" + device domain 0 on device ref gpp_bridge_a on # Internal GPP Bridge 0 to Bus A device ref xhci_1 on # XHCI1 controller