From afe15f0a34fd02ef024d48d2b047ecd4ef559d74 Mon Sep 17 00:00:00 2001 From: Amanda Huang Date: Fri, 18 Jan 2019 11:41:38 +0800 Subject: mb/google/octopus/variants: Disable xHCI compliance mode for Fleex Some usb devices exhibits signal loss which causes xHCI entering compliance mode. The resolution is to disable xHCI compliance mode. BRANCH=octopus BUG=b:120009029 TEST=Verified usb operation successfully. Change-Id: Ic7fa08c894397598dee3c4ff9a764e43383a0627 Signed-off-by: Amanda Huang Reviewed-on: https://review.coreboot.org/c/30984 Tested-by: build bot (Jenkins) Reviewed-by: Justin TerAvest Reviewed-by: Karthik Ramasubramanian --- src/mainboard/google/octopus/variants/fleex/overridetree.cb | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src') diff --git a/src/mainboard/google/octopus/variants/fleex/overridetree.cb b/src/mainboard/google/octopus/variants/fleex/overridetree.cb index a6df66b562..19246e0a51 100644 --- a/src/mainboard/google/octopus/variants/fleex/overridetree.cb +++ b/src/mainboard/google/octopus/variants/fleex/overridetree.cb @@ -140,4 +140,7 @@ chip soc/intel/apollolake end end # - I2C 7 end + + # Disable compliance mode + register "DisableComplianceMode" = "1" end -- cgit v1.2.3