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path: root/src/mainboard/google/glados/devicetree.cb
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Diffstat (limited to 'src/mainboard/google/glados/devicetree.cb')
-rw-r--r--src/mainboard/google/glados/devicetree.cb39
1 files changed, 38 insertions, 1 deletions
diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb
index e57c4906ef..797865ddc8 100644
--- a/src/mainboard/google/glados/devicetree.cb
+++ b/src/mainboard/google/glados/devicetree.cb
@@ -65,6 +65,43 @@ chip soc/intel/skylake
register "PortUsb30Enable[2]" = "1" # Type-A Port 1
register "PortUsb30Enable[3]" = "1" # Type-A Port 2
+ # USB Per Port HS Preemphasis Bias
+ register "Usb2AfePetxiset" = "{ 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, \
+ 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, \
+ 0x07, 0x07, 0x07, 0x07 }"
+
+ # USB Per Port HS Transmitter Bias
+ register "Usb2AfeTxiset" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00 }"
+
+ # USB Per Port HS Transmitter Emphasis
+ register "Usb2AfePredeemp" = "{ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, \
+ 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, \
+ 0x03, 0x03, 0x03, 0x03 }"
+
+ # USB Per Port Half Bit Pre-emphasis
+ register "Usb2AfePehalfbit" = "{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, \
+ 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00 }"
+
+ # Enable the write to USB 3.0 TX Output -3.5dB De-Emphasis Adjustment
+ register "Usb3HsioTxDeEmphEnable" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00, 0x00 }"
+
+ # USB 3.0 TX Output -3.5dB De-Emphasis Adjustment Setting
+ register "Usb3HsioTxDeEmph" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00, 0x00 }"
+
+ # Enable the write to USB 3.0 TX Output Downscale Amplitude Adjustment
+ register "Usb3HsioTxDownscaleAmpEnable" = "{ 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00 }"
+
+ # USB 3.0 TX Output Downscale Amplitude Adjustment
+ register "Usb3HsioTxDownscaleAmp" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00, 0x00 }"
+
# Must leave UART0 enabled or SD/eMMC will not work as PCI
register "SerialIoDevMode" = "{ \
[PchSerialIoIndexI2C0] = PchSerialIoPci, \
@@ -77,7 +114,7 @@ chip soc/intel/skylake
[PchSerialIoIndexSpi1] = PchSerialIoDisabled, \
[PchSerialIoIndexUart0] = PchSerialIoPci, \
[PchSerialIoIndexUart1] = PchSerialIoDisabled, \
- [PchSerialIoIndexUart2] = PchSerialIoPci, \
+ [PchSerialIoIndexUart2] = PchSerialIoSkipInit, \
}"
device cpu_cluster 0 on