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authorLijian Zhao <lijian.zhao@intel.com>2019-02-26 23:57:10 -0800
committerPatrick Georgi <pgeorgi@google.com>2019-03-14 11:48:30 +0000
commiteed64473fdc6056ad96557f7e16e22855816746e (patch)
tree5efcc30bf09dca069ae9e1fd8849845a2c001cfd /src
parent374c04aaec4a6d23a7c2f69bcc8d8580897de674 (diff)
downloadcoreboot-eed64473fdc6056ad96557f7e16e22855816746e.tar.xz
mb/google/arcada: Update USB2 port6 AFE setting
Accoriding to 574354, we need to tune each port to pass eye diagram other than just use recommanded setting as they are base guidence only. Bug=b:124407280 TEST=Build and boot up on arcada board. Signed-off-by: Lijian Zhao <lijian.zhao@intel.com> Change-Id: I587695809b368edd33852c4241de097ca31e9d66 Reviewed-on: https://review.coreboot.org/c/coreboot/+/31632 Reviewed-by: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/sarien/variants/arcada/devicetree.cb9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index c966e9ac68..c0411e1564 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -125,7 +125,14 @@ chip soc/intel/cannonlake
register "usb2_ports[3]" = "USB2_PORT_EMPTY"
register "usb2_ports[4]" = "USB2_PORT_EMPTY"
register "usb2_ports[5]" = "USB2_PORT_LONG(OC_SKIP)" # Camera
- register "usb2_ports[6]" = "USB2_PORT_MID(OC_SKIP)" # WWAN
+ register "usb2_ports[6]" = "{
+ .enable = 1, \
+ .ocpin = OC_SKIP, \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_DE_EMP_ON_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_28P15MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+ }" # WWAN
register "usb2_ports[7]" = "USB2_PORT_MID(OC_SKIP)" # USH
register "usb2_ports[8]" = "USB2_PORT_MID(OC_SKIP)" # Fingerprint
register "usb2_ports[9]" = "USB2_PORT_MID(OC_SKIP)" # Bluetooth