mb/google/zork/variants/baseboard: USB2 HS phy settings
Set default USB2 HS disconnect threshold to maximum to avoid false
disconnects that eventually lock up the xHCI controller
BUG=b:174538960
TEST=suspend_stress_test -c 50 on vilboz and morphius.
Sample set of USB2 HS devices connect and disconnect
successfully
Signed-off-by: Julian Schroeder <julianmarcusschroeder@gmail.com>
Change-Id: Ic921d850a0bdd717a2a7e50e9e6f65e39e0607bf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51265
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb
index d412073..3f4c404 100644
--- a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb
+++ b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb
@@ -65,7 +65,7 @@
# Controller0 Port0 Default
register "usb_2_port_tune_params[0]" = "{
- .com_pds_tune = 0x03,
+ .com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x03,
@@ -78,7 +78,7 @@
# Controller0 Port1 Default
register "usb_2_port_tune_params[1]" = "{
- .com_pds_tune = 0x03,
+ .com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x03,
@@ -91,7 +91,7 @@
# Controller0 Port2 Default
register "usb_2_port_tune_params[2]" = "{
- .com_pds_tune = 0x03,
+ .com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x03,
@@ -104,7 +104,7 @@
# Controller0 Port3 Default
register "usb_2_port_tune_params[3]" = "{
- .com_pds_tune = 0x03,
+ .com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x03,
@@ -117,7 +117,7 @@
# Controller1 Port0 Default
register "usb_2_port_tune_params[4]" = "{
- .com_pds_tune = 0x03,
+ .com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x02,
@@ -130,7 +130,7 @@
# Controller1 Port1 Default
register "usb_2_port_tune_params[5]" = "{
- .com_pds_tune = 0x03,
+ .com_pds_tune = 0x07,
.sq_rx_tune = 0x3,
.tx_fsls_tune = 0x3,
.tx_pre_emp_amp_tune = 0x02,