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mb/google/zork/woomax: Adjust disconnect threshold 

The disconnect voltage needs to be adjusted up because the HS DC voltage
level is 0xF.

BUG=b:170879690
TEST=Servo_v4 USB hub functions
BRANCH=zork

Change-Id: If8662015a45c57e457b4593e55af888084842f58
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46601
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Rob Barnes 2020-10-20 11:12:47 -06:00 committed by Felix Held
parent eef5cadca8
commit a10229269a
1 changed files with 2 additions and 2 deletions
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4
src/mainboard/google/zork/variants/woomax/overridetree.cb
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@ -24,7 +24,7 @@ chip soc/amd/picasso
# End : OPN Performance Configuration
#USB 2.0 strength
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,
@ -36,7 +36,7 @@ chip soc/amd/picasso
}"
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,