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-rw-r--r--src/mainboard/google/hatch/variants/baseboard/devicetree.cb76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index a4700321a4..6ff90f8d9d 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -47,6 +47,82 @@ chip soc/intel/cannonlake
# Unlock GPIO pads
register "PchUnlockGpioPads" = "1"
+ # VR Settings Configuration for 4 Domains
+ #+----------------+-------+-------+-------+-------+
+ #| Domain/Setting | SA | IA | GTUS | GTS |
+ #+----------------+-------+-------+-------+-------+
+ #| Psi1Threshold | 20A | 20A | 20A | 20A |
+ #| Psi2Threshold | 5A | 5A | 5A | 5A |
+ #| Psi3Threshold | 1A | 1A | 1A | 1A |
+ #| Psi3Enable | 1 | 1 | 1 | 1 |
+ #| Psi4Enable | 1 | 1 | 1 | 1 |
+ #| ImonSlope | 0 | 0 | 0 | 0 |
+ #| ImonOffset | 0 | 0 | 0 | 0 |
+ #| IccMax | 6A | 70A | 31A | 31A |
+ #| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
+ #| AcLoadline | 10.3 | 1.8 | 3.1 | 3.1 |
+ #| DcLoadline | 10.3 | 1.8 | 3.1 | 3.1 |
+ #+----------------+-------+-------+-------+-------+
+ register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(6),
+ .voltage_limit = 1520,
+ .ac_loadline = 1030,
+ .dc_loadline = 1030,
+ }"
+
+ register "domain_vr_config[VR_IA_CORE]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(70),
+ .voltage_limit = 1520,
+ .ac_loadline = 180,
+ .dc_loadline = 180,
+ }"
+
+ register "domain_vr_config[VR_GT_UNSLICED]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(31),
+ .voltage_limit = 1520,
+ .ac_loadline = 310,
+ .dc_loadline = 310,
+ }"
+
+ register "domain_vr_config[VR_GT_SLICED]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(31),
+ .voltage_limit = 1520,
+ .ac_loadline = 310,
+ .dc_loadline = 310,
+ }"
+
register "PchPmSlpS3MinAssert" = "2" # 50ms
register "PchPmSlpS4MinAssert" = "1" # 1s
register "PchPmSlpSusMinAssert" = "1" # 500ms