diff options
| -rw-r--r-- | src/mainboard/google/volteer/variants/eldrid/overridetree.cb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/variants/eldrid/overridetree.cb b/src/mainboard/google/volteer/variants/eldrid/overridetree.cb index b04b1e7295..6e9d743f72 100644 --- a/src/mainboard/google/volteer/variants/eldrid/overridetree.cb +++ b/src/mainboard/google/volteer/variants/eldrid/overridetree.cb @@ -48,6 +48,15 @@ chip soc/intel/tigerlake }, }, }" + #These settings improve the USB2 Port1 eye diagram + register "usb2_ports[4]" = "{ + .enable = 1, + .tx_bias = 7, + .tx_emp_enable = 7, + .pre_emp_bias = 3, + .pre_emp_bit = 0, + }" + device domain 0 on device pci 04.0 off end device pci 15.0 on |