diff options
author | Kevin Chiu <Kevin.Chiu@quantatw.com> | 2020-11-23 13:01:35 +0800 |
---|---|---|
committer | Martin Roth <martinroth@google.com> | 2021-01-15 22:38:14 +0000 |
commit | 3379879c6c7d15e05f7b43adb25c13111cfced70 (patch) | |
tree | 47ecb67ef6a31a51d0cf4648151a22a0b4e86eeb /src/mainboard/google | |
parent | bc148df898038b9ce2012ba7e90e7f9fb3707b28 (diff) |
mb/google/zork: update USB 2.0 controller Lane Parameter for dirinboz
Enhance USB 2.0 M/B C0, DB C1 A1 port:
HS DC Voltage Level(TXVREFTUNE0): 0xe
COMPDISTUNE(COMPDISTUNE0): 0x7
BUG=b:165209698
BRANCH=zork
TEST=emerge-zork coreboot
Change-Id: I371e4295c2ee161096f0a277c0c649bf217269b2
Signed-off-by: Kevin Chiu <kevin.chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47857
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r-- | src/mainboard/google/zork/variants/dirinboz/overridetree.cb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/dirinboz/overridetree.cb b/src/mainboard/google/zork/variants/dirinboz/overridetree.cb index 3032984551..6416a5c807 100644 --- a/src/mainboard/google/zork/variants/dirinboz/overridetree.cb +++ b/src/mainboard/google/zork/variants/dirinboz/overridetree.cb @@ -21,6 +21,45 @@ chip soc/amd/picasso register "telemetry_vddcr_soc_offset" = "167" # End : OPN Performance Configuration + # USB 2.0 strength + 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 = 0xe, + .tx_hsxv_tune = 0x3, + .tx_res_tune = 0x01, + }" + + # USB 2.0 strength + 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 = 0xe, + .tx_hsxv_tune = 0x3, + .tx_res_tune = 0x01, + }" + + # USB 2.0 strength + 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 = 0xe, + .tx_hsxv_tune = 0x3, + .tx_res_tune = 0x01, + }" + # I2C2 for touchscreen and trackpad register "i2c[2]" = "{ .speed = I2C_SPEED_FAST, |