diff options
| author | Wisley Chen <wisley.chen@quanta.corp-partner.google.com> | 2019-01-16 16:05:51 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-01-20 21:04:09 +0000 |
| commit | b3a1a44ee294f9db2725f5647efd96c1260cc93c (patch) | |
| tree | a32f8998dc5377a1eed416c48f3d4c99e2d44f3d /src/mainboard | |
| parent | b6fa7a28a4bf53608e789cbbe92a80a765c2ff5c (diff) | |
mb/google/octopus/variants/meep: Disable xHCI compliance mode
Some usb devices exhibit 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 <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/30948
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/octopus/variants/meep/overridetree.cb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/meep/overridetree.cb b/src/mainboard/google/octopus/variants/meep/overridetree.cb index f531d1343b..f7aeac1085 100644 --- a/src/mainboard/google/octopus/variants/meep/overridetree.cb +++ b/src/mainboard/google/octopus/variants/meep/overridetree.cb @@ -112,4 +112,7 @@ chip soc/intel/apollolake end end # - I2C 7 end + + # Disable compliance mode + register "DisableComplianceMode" = "1" end |