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-rw-r--r--src/mainboard/google/zork/variants/dirinboz/overridetree.cb10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/mainboard/google/zork/variants/dirinboz/overridetree.cb b/src/mainboard/google/zork/variants/dirinboz/overridetree.cb
index 6416a5c807..554cdeac94 100644
--- a/src/mainboard/google/zork/variants/dirinboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/dirinboz/overridetree.cb
@@ -21,7 +21,7 @@ chip soc/amd/picasso
register "telemetry_vddcr_soc_offset" = "167"
# End : OPN Performance Configuration
- # USB 2.0 strength
+ # USB 2.0 strength - MB type-C C0
register "usb_2_port_tune_params[0]" = "{
.com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
@@ -34,27 +34,27 @@ chip soc/amd/picasso
.tx_res_tune = 0x01,
}"
- # USB 2.0 strength
+ # USB 2.0 strength - DB type-A
register "usb_2_port_tune_params[2]" = "{
.com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x03,
.tx_pre_emp_pulse_tune = 0x0,
- .tx_rise_tune = 0x1,
+ .tx_rise_tune = 0x0,
.tx_vref_tune = 0xe,
.tx_hsxv_tune = 0x3,
.tx_res_tune = 0x01,
}"
- # USB 2.0 strength
+ # USB 2.0 strength - DB type-C C1
register "usb_2_port_tune_params[3]" = "{
.com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x03,
.tx_pre_emp_pulse_tune = 0x0,
- .tx_rise_tune = 0x1,
+ .tx_rise_tune = 0x0,
.tx_vref_tune = 0xe,
.tx_hsxv_tune = 0x3,
.tx_res_tune = 0x01,