[coreboot-gerrit] Change in ...coreboot[master]: mb/google/octopus/variants/meep: Disable xHCI compliance mode

[Chen Wisley (Code Review)]

Hello Wisley Chen,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/30948

to review the following change.

Change subject: mb/google/octopus/variants/meep: Disable xHCI compliance mode
......................................................................

mb/google/octopus/variants/meep: Disable xHCI compliance mode

Some usb devices exhibits signal loss which causes xHCI entering
compliance mode. The resolution is to disable xHCI compliance mode.

BUG=b:122671995
TEST=check "Disable Link Compliance Mode" bit of "SuperSpeed Port Link
control" register and usb operation successfully.

Change-Id: Ia2ae7e52391fadc8ed23b8b76c45d410757d22ec
Signed-off-by: Wisley Chen 
---
M src/mainboard/google/octopus/variants/meep/overridetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/30948/1

diff --git a/src/mainboard/google/octopus/variants/meep/overridetree.cb b/src/mainboard/google/octopus/variants/meep/overridetree.cb
index f531d13..f7aeac1 100644
--- a/src/mainboard/google/octopus/variants/meep/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/meep/overridetree.cb
@@ -112,4 +112,7 @@
    		end
    	end	# - I2C 7
    end
+
+	# Disable compliance mode
+	register "DisableComplianceMode" = "1"
 end