From a10229269a2800403df589e2f7840e52eee589a4 Mon Sep 17 00:00:00 2001 From: Rob Barnes Date: Tue, 20 Oct 2020 11:12:47 -0600 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/46601 Tested-by: build bot (Jenkins) Reviewed-by: Felix Held --- src/mainboard/google/zork/variants/woomax/overridetree.cb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/mainboard/google/zork/variants/woomax') diff --git a/src/mainboard/google/zork/variants/woomax/overridetree.cb b/src/mainboard/google/zork/variants/woomax/overridetree.cb index 19d66fcfbd..e9d66f9a77 100644 --- a/src/mainboard/google/zork/variants/woomax/overridetree.cb +++ b/src/mainboard/google/zork/variants/woomax/overridetree.cb @@ -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, -- cgit v1.2.3