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-rw-r--r--src/mainboard/google/lars/devicetree.cb78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/mainboard/google/lars/devicetree.cb b/src/mainboard/google/lars/devicetree.cb
index c662c9998d..7cf2ac8b0f 100644
--- a/src/mainboard/google/lars/devicetree.cb
+++ b/src/mainboard/google/lars/devicetree.cb
@@ -47,6 +47,84 @@ chip soc/intel/skylake
# 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.
register "PcieRpEnable[0]" = "1"
# Enable CLKREQ#