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-rw-r--r--src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb2
-rw-r--r--src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb2
2 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb
index e355b5b14a..4a01a12cc0 100644
--- a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb
+++ b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb
@@ -51,6 +51,8 @@ chip soc/amd/picasso
register "xhci0_force_gen1" = "0"
+ register "has_usb2_phy_tune_params" = "1"
+
# Controller0 Port0 Default
register "usb_2_port_0_tune_params" = "{
.com_pds_tune = 0x03,
diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb b/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb
index 283e7a07a4..986c444e14 100644
--- a/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb
+++ b/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb
@@ -51,6 +51,8 @@ chip soc/amd/picasso
register "xhci0_force_gen1" = "0"
+ register "has_usb2_phy_tune_params" = "1"
+
# Controller0 Port0 Default
register "usb_2_port_0_tune_params" = "{
.com_pds_tune = 0x03,