intel/kunimitsu: Add VrConfig UPD parameters

Cofigure VR settings for kunimitsu

BRANCH=none
BUG=chrome-os-partner:45387
TEST=Build and booted in kunimitsu

CQ-DEPEND=CL:311317

Change-Id: Ib2afe7694d2a807cea1befa73349bd21a3e7d909
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c3548d7cb3a00826377e819f20d07167b4eb2c65
Original-Change-Id: I6b80f509bc0ab6f65f26eec0651a3b44fb38fbf9
Original-Signed-off-by: Barnali Sarkar <barnali.sarkar@intel.com>
Original-Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/313068
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12945
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/intel/kunimitsu/devicetree.cb b/src/mainboard/intel/kunimitsu/devicetree.cb
index ec67ce1..adb8931 100644
--- a/src/mainboard/intel/kunimitsu/devicetree.cb
+++ b/src/mainboard/intel/kunimitsu/devicetree.cb
@@ -47,6 +47,84 @@
 	# Determines if enable Serial IRQ. Values 0: Disabled, 1: Enabled
 	register "SerialIrqConfigSirqEnable" = "0x01"
 
+	# VR Settings Configuration for 5 Domains
+	#+----------------+-------+-------+-------------+-------------+-------+
+	#| Domain/Setting |  SA   |  IA   | Ring Sliced | GT Unsliced |  GT   |
+	#+----------------+-------+-------+-------------+-------------+-------+
+	#| Psi1Threshold  | 20A   | 20A   | 20A         | 20A         | 20A   |
+	#| Psi2Threshold  | 4A    | 5A    | 5A          | 5A          | 5A    |
+	#| Psi3Threshold  | 1A    | 1A    | 1A          | 1A          | 1A    |
+	#| Psi3Enable     | 1     | 1     | 1           | 1           | 1     |
+	#| Psi4Enable     | 1     | 1     | 1           | 1           | 1     |
+	#| ImonSlope      | 0     | 0     | 0           | 0           | 0     |
+	#| ImonOffset     | 0     | 0     | 0           | 0           | 0     |
+	#| IccMax         | 7A    | 34A   | 34A         | 35A         | 35A   |
+	#| VrVoltageLimit | 1.52V | 1.52V | 1.52V       | 1.52V       | 1.52V |
+	#+----------------+-------+-------+-------------+-------------+-------+
+	register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
+		.vr_config_enable = 1, \
+		.psi1threshold = 0x50, \
+		.psi2threshold = 0x10, \
+		.psi3threshold = 0x4, \
+		.psi3enable = 1, \
+		.psi4enable = 1, \
+		.imon_slope = 0x0, \
+		.imon_offset = 0x0, \
+		.icc_max = 0x1C, \
+		.voltage_limit = 0x5F0 \
+	}"
+
+	register "domain_vr_config[VR_IA_CORE]" = "{
+		.vr_config_enable = 1, \
+		.psi1threshold = 0x50, \
+		.psi2threshold = 0x14, \
+		.psi3threshold = 0x4, \
+		.psi3enable = 1, \
+		.psi4enable = 1, \
+		.imon_slope = 0x0, \
+		.imon_offset = 0x0, \
+		.icc_max = 0x88, \
+		.voltage_limit = 0x5F0 \
+	}"
+	register "domain_vr_config[VR_RING]" = "{
+		.vr_config_enable = 1, \
+		.psi1threshold = 0x50, \
+		.psi2threshold = 0x14, \
+		.psi3threshold = 0x4, \
+		.psi3enable = 1, \
+		.psi4enable = 1, \
+		.imon_slope = 0x0, \
+		.imon_offset = 0x0, \
+		.icc_max = 0x88, \
+		.voltage_limit = 0x5F0, \
+	}"
+
+	register "domain_vr_config[VR_GT_UNSLICED]" = "{
+		.vr_config_enable = 1, \
+		.psi1threshold = 0x50, \
+		.psi2threshold = 0x14, \
+		.psi3threshold = 0x4, \
+		.psi3enable = 1, \
+		.psi4enable = 1, \
+		.imon_slope = 0x0, \
+		.imon_offset = 0x0, \
+		.icc_max = 0x8C ,\
+		.voltage_limit = 0x5F0 \
+	}"
+
+	register "domain_vr_config[VR_GT_SLICED]" = "{
+		.vr_config_enable = 1, \
+		.psi1threshold = 0x50, \
+		.psi2threshold = 0x14, \
+		.psi3threshold = 0x4, \
+		.psi3enable = 1, \
+		.psi4enable = 1, \
+		.imon_slope = 0x0, \
+		.imon_offset = 0x0, \
+		.icc_max = 0x8C, \
+		.voltage_limit = 0x5F0 \
+	}"
+
 	# Enable Root port 1 and 5.
 	register "PcieRpEnable[0]" = "1"
 	register "PcieRpEnable[4]" = "1"