diff options
| author | Lucas Chen <lucas.chen@quanta.corp-partner.google.com> | 2020-10-30 14:11:26 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2020-11-06 19:23:04 +0000 |
| commit | d8c189b669a8b98448f287fa0872d440b8892dd1 (patch) | |
| tree | 795cf8de0d44901d7823628f29563d450c97d6dd /src | |
| parent | ea4db9b8fb2e29a1640afbf8b59b974d61c5b6a4 (diff) | |
| download | coreboot-d8c189b669a8b98448f287fa0872d440b8892dd1.tar.xz | |
zork/var/ezkinil: Adjust USB2 phy si fine tune on DVT Board
Adjust USB2 phy si setting fine tune on DVT for Ezkinil.
BRANCH=zork
BUG=b:156315391
TEST=Measuring scope timing and test usb detection
Signed-off-by: Lucas Chen <lucas.chen@quanta.corp-partner.google.com>
Change-Id: Id537b6e9a17f47481b6aedcea0c6a8474d993b6d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47011
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/zork/variants/ezkinil/overridetree.cb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb index 4fd7e0e063..2537ee8fc4 100644 --- a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb +++ b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb @@ -29,6 +29,31 @@ chip soc/amd/picasso .ports.xhci0_port3 = 1, }" + #USB 2.0 strength + register "usb_2_port_tune_params[2]" = "{ + .com_pds_tune = 0x05, + .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 = 0x9, + .tx_hsxv_tune = 0x3, + .tx_res_tune = 0x01, + }" + + register "usb_2_port_tune_params[3]" = "{ + .com_pds_tune = 0x05, + .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 = 0x9, + .tx_hsxv_tune = 0x3, + .tx_res_tune = 0x01, + }" + # Enable I2C2 for trackpad, touchscreen, pen at 400kHz register "i2c[2]" = "{ .speed = I2C_SPEED_FAST, |