summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNick Chen <nick_xr_chen@wistron.corp-partner.google.com>2021-01-14 14:23:21 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-01-22 14:25:58 +0000
commitd6375cf556fb7a4612a441c4d32f93fa57556f3a (patch)
tree666d0b8511c53eea0d4faca0201cdaf9c1146fd3
parent37765930ecebb0caf3abc71ffbf192f5e7cdfc8d (diff)
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 <nick_xr_chen@wistron.corp-partner.google.com> Change-Id: I42a39318a151bdf1f5aeb84bb1992be128cb4a4d Reviewed-on: https://review.coreboot.org/c/coreboot/+/49452 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
-rw-r--r--src/mainboard/google/volteer/variants/eldrid/overridetree.cb13
1 files changed, 12 insertions, 1 deletions
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