Kane Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45641 )
Change subject: mb/google/zork: Add USB 2.0 strength for Woomax ......................................................................
mb/google/zork: Add USB 2.0 strength for Woomax
Add USB 2.0 setting: 1. USB 2.0 TypeC port0 0xf1333e13. 2. USB 2.0 TypeC port3 0xf1333e13.
BUG=None BRANCH=None TEST=emerge-zork coreboot chromeos-bootimage
Signed-off-by: Kane Chen kane_chen@pegatron.corp-partner.google.com Change-Id: I764238485a1a81eb0d4740ac58c80a43f965f550 --- M src/mainboard/google/zork/variants/woomax/overridetree.cb 1 file changed, 24 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/41/45641/1
diff --git a/src/mainboard/google/zork/variants/woomax/overridetree.cb b/src/mainboard/google/zork/variants/woomax/overridetree.cb index de39891..f6eb165 100644 --- a/src/mainboard/google/zork/variants/woomax/overridetree.cb +++ b/src/mainboard/google/zork/variants/woomax/overridetree.cb @@ -22,6 +22,30 @@ register "telemetry_vddcr_soc_offset" = "0"
# End : OPN Performance Configuration + #USB 2.0 strength + register "usb_2_port_tune_params[0]" = "{ + .com_pds_tune = 0x03, + .sq_rx_tune = 0x3, + .tx_fsls_tune = 0x3, + .tx_pre_emp_amp_tune = 0x03, + .tx_pre_emp_pulse_tune = 0x0, + .tx_rise_tune = 0x1, + .rx_vref_tune = 0xf, + .tx_hsxv_tune = 0x3, + .tx_res_tune = 0x01, + }" + + register "usb_2_port_tune_params[3]" = "{ + .com_pds_tune = 0x03, + .sq_rx_tune = 0x3, + .tx_fsls_tune = 0x3, + .tx_pre_emp_amp_tune = 0x03, + .tx_pre_emp_pulse_tune = 0x0, + .tx_rise_tune = 0x1, + .rx_vref_tune = 0xf, + .tx_hsxv_tune = 0x3, + .tx_res_tune = 0x01, + }"
# USB OC pin mapping register "usb_port_overcurrent_pin[2]" = "USB_OC_NONE" # NC