intel/kunimitsu: USB Phy settings and Skip UART2 init in FSP

FSP 1.7.0 provides UPD to configure USB phy settings
update the same for kunimitsu.

FSP 1.7.0 also provides UPD to indicate FSP not to reinitialise
UART2 controller during MemoryInit.

BRANCH=none
BUG=chrome-os-partner:45684,chrome-os-partner:41374,chrome-os-partner:42284
TEST=build for Kunimitsu, boot on FAB3, Also checked for Boot from USB,
	Boot from eMMC, USB Audio, Onboard Audio, Touch, Wifi, S3 entry/resume

CQ-DEPEND=CL:303661

Change-Id: Ie0a545c954f472cc822b63786d40399ec93d5166
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 90296e04942c70d972c225fc75dfab6de44d10ed
Original-Change-Id: If79e81ef3323e782e96db307d89a01c14174b435
Original-Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Original-Signed-off-by: Rishavnath Satapathy <rishavnath.satapathy@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/304032
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/12145
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/mainboard/intel/kunimitsu/devicetree.cb b/src/mainboard/intel/kunimitsu/devicetree.cb
index 21af62a..dfba699 100644
--- a/src/mainboard/intel/kunimitsu/devicetree.cb
+++ b/src/mainboard/intel/kunimitsu/devicetree.cb
@@ -60,11 +60,29 @@
 	register "PortUsb20Enable[6]" = "1"	# Camera
 	register "PortUsb20Enable[8]" = "1"	# Type-A Port (board)
 
+	#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}"
+
 	register "PortUsb30Enable[0]" = "1"	# Type-C Port 1
 	register "PortUsb30Enable[1]" = "1"	# Type-C Port 2
 	register "PortUsb30Enable[2]" = "1"	# Type-A Port (card)
 	register "PortUsb30Enable[3]" = "1"	# Type-A Port (board)
 
+	#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 +95,7 @@
 		[PchSerialIoIndexSpi1]  = PchSerialIoDisabled, \
 		[PchSerialIoIndexUart0] = PchSerialIoPci, \
 		[PchSerialIoIndexUart1] = PchSerialIoDisabled, \
-		[PchSerialIoIndexUart2] = PchSerialIoPci, \
+		[PchSerialIoIndexUart2] = PchSerialIoSkipInit, \
 	}"
 
 	device cpu_cluster 0 on