Change in coreboot[master]: mb/google/zork/var/vilboz: adjust USB phy settings for all USB ports

[Frank Wu (Code Review)]

Frank Wu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/50020 )

Change subject: mb/google/zork/var/vilboz: adjust USB phy settings for all USB ports
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mb/google/zork/var/vilboz: adjust USB phy settings for all USB ports

Sometimes the USB device will be lost after DUT resume.
Adjust USB phy settings for all USB ports to fix the failed symptom.

BUG=b:174538960
BRANCH=zork
TEST=USB devices stay connected after running suspend test

Signed-off-by: Frank Wu 
Change-Id: I25bca968bb4a740161b36e2082d1e500ae648712
---
M src/mainboard/google/zork/variants/vilboz/overridetree.cb
1 file changed, 78 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/50020/1

diff --git a/src/mainboard/google/zork/variants/vilboz/overridetree.cb b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
index c3afe13..37ca6e4 100644
--- a/src/mainboard/google/zork/variants/vilboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
@@ -48,6 +48,84 @@
    # USB OC pin mapping
    register "usb_port_overcurrent_pin[1]" = "USB_OC_NONE"	# LTE instead of USB C1

+	# Controller0 Port0
+	register "usb_2_port_tune_params[0]" = "{
+		.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_vref_tune = 0x6,
+		.tx_hsxv_tune = 0x3,
+		.tx_res_tune = 0x01,
+	}"
+
+	# Controller0 Port1
+	register "usb_2_port_tune_params[1]" = "{
+		.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_vref_tune = 0x6,
+		.tx_hsxv_tune = 0x3,
+		.tx_res_tune = 0x01,
+	}"
+
+	# Controller0 Port2
+	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_vref_tune = 0x6,
+		.tx_hsxv_tune = 0x3,
+		.tx_res_tune = 0x01,
+	}"
+
+	# Controller0 Port3
+	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_vref_tune = 0x6,
+		.tx_hsxv_tune = 0x3,
+		.tx_res_tune = 0x01,
+	}"
+
+	# Controller1 Port0
+	register "usb_2_port_tune_params[4]" = "{
+		.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_vref_tune = 0x6,
+		.tx_hsxv_tune = 0x3,
+		.tx_res_tune = 0x01,
+	}"
+
+	# Controller1 Port1
+	register "usb_2_port_tune_params[5]" = "{
+		.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_vref_tune = 0x6,
+		.tx_hsxv_tune = 0x3,
+		.tx_res_tune = 0x01,
+	}"
+
    # I2C2 for touchscreen and trackpad
    register "i2c[2]" = "{
    	.speed = I2C_SPEED_FAST,