[coreboot-gerrit] Change in coreboot[master]: mb/google/puff: Add puff ac/dc loadline configuations

[Jamie Chen (Code Review)]

Jamie Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/38479 )

Change subject: mb/google/puff: Add puff ac/dc loadline configuations
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mb/google/puff: Add puff ac/dc loadline configuations

According to VRTT report, add ac/dc loadline configuations
in puff device tree.

BUG=b:147206535
BRANCH=None
TEST=build and boot up successful on puff.

Change-Id: Ia806de23a1fefcaac3ce9a462a8a04eee5eabcae
Signed-off-by: Jamie Chen 
---
M src/mainboard/google/hatch/variants/puff/overridetree.cb
1 file changed, 60 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/38479/1

diff --git a/src/mainboard/google/hatch/variants/puff/overridetree.cb b/src/mainboard/google/hatch/variants/puff/overridetree.cb
index 2e40ba9..4bbfc38 100644
--- a/src/mainboard/google/hatch/variants/puff/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/puff/overridetree.cb
@@ -277,4 +277,64 @@
    	device pci 1e.3 off end # GSPI #1
    end

+	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 = 0,
+		.voltage_limit = 1520,
+		.ac_loadline = 1004,
+		.dc_loadline = 1004,
+	}"
+
+	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 = 0,
+		.voltage_limit = 1520,
+		.ac_loadline = 181,
+		.dc_loadline = 181,
+	}"
+
+	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 = 0,
+		.voltage_limit = 1520,
+		.ac_loadline = 319,
+		.dc_loadline = 319,
+	}"
+
+	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 = 0,
+		.voltage_limit = 1520,
+		.ac_loadline = 319,
+		.dc_loadline = 319,
+	}"
+
 end