From d6375cf556fb7a4612a441c4d32f93fa57556f3a Mon Sep 17 00:00:00 2001 From: Nick Chen Date: Thu, 14 Jan 2021 14:23:21 +0800 Subject: mb/google/volteer/variants/eldrid: Configure USB2 port for Type-C 1. USB2 ports 3 and 8 assigned to Type-C connector 2. USB2 port 3 keep USB2_PORT_SHORT setting and add .type_c flag BUG=b:177481076 TEST=tested on eldrid Signed-off-by: Nick Chen Change-Id: I42a39318a151bdf1f5aeb84bb1992be128cb4a4d Reviewed-on: https://review.coreboot.org/c/coreboot/+/49452 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak --- .../google/volteer/variants/eldrid/overridetree.cb | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'src/mainboard/google/volteer/variants/eldrid/overridetree.cb') diff --git a/src/mainboard/google/volteer/variants/eldrid/overridetree.cb b/src/mainboard/google/volteer/variants/eldrid/overridetree.cb index 08d013e941..d7ea9d3d6f 100644 --- a/src/mainboard/google/volteer/variants/eldrid/overridetree.cb +++ b/src/mainboard/google/volteer/variants/eldrid/overridetree.cb @@ -66,7 +66,15 @@ chip soc/intel/tigerlake register "usb2_ports[2]" = "USB2_PORT_EMPTY" #improve the USB2 Port1 eye diagram - register "usb2_ports[3]" = "USB2_PORT_SHORT(OC_SKIP)" + register "usb2_ports[3]" = "{ + .enable = 1, + .ocpin = OC_SKIP, + .tx_bias = USB2_BIAS_39P35MV, + .tx_emp_enable = USB2_DE_EMP_ON_PRE_EMP_ON, + .pre_emp_bias = USB2_BIAS_39P35MV, + .pre_emp_bit = USB2_FULL_BIT_PRE_EMP, + .type_c = 1, + }" #lower camera driving register "usb2_ports[4]" = "{ @@ -77,6 +85,9 @@ chip soc/intel/tigerlake .pre_emp_bit = 0, }" + #Type-A / Type-C C0 + register "usb2_ports[8]" = "USB2_PORT_TYPE_C(OC_SKIP)" + device domain 0 on device ref dptf on # DPTF Policy for Eldrid board -- cgit v1.2.3