Change in coreboot[master]: mainboard/google/poppy: Update VR config settings

[Furquan Shaikh (Code Review)]

Furquan Shaikh has uploaded this change for review. ( https://review.coreboot.org/21105

Change subject: mainboard/google/poppy: Update VR config settings
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mainboard/google/poppy: Update VR config settings

Update Psi2Threshold, IccMax, ACLoadline and DCLoadline VR config
settings to match that of soraka.

BUG=b:62063434
BRANCH=None
TEST=Build and boot poppy.

Change-Id: I2c294eb14257d319e1e2d4d1e529481d921ba6f8
Signed-off-by: Furquan Shaikh 
---
M src/mainboard/google/poppy/variants/baseboard/devicetree.cb
1 file changed, 20 insertions(+), 10 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/05/21105/1

diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index 9d5b5b0..d67c9c0 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -75,65 +75,75 @@
    #| Domain/Setting |  SA   |  IA   | GTUS  |  GTS  |
    #+----------------+-------+-------+-------+-------+
    #| Psi1Threshold  | 20A   | 20A   | 20A   | 20A   |
-	#| Psi2Threshold  | 4A    | 5A    | 5A    | 5A    |
+	#| Psi2Threshold  | 2A    | 2A    | 2A    | 2A    |
    #| 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         | 7A    | 34A   | 35A   | 35A   |
+	#| IccMax         | 5A    | 24A   | 24A   | 24A   |
    #| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
+	#| AcLoadline     | 15    | 5.7   | 5.5   | 5.5   |
+	#| DcLoadline     | 14.3  | 4.83  | 4.2   | 4.2   |
    #+----------------+-------+-------+-------+-------+
    register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
    	.vr_config_enable = 1,
    	.psi1threshold = VR_CFG_AMP(20),
-		.psi2threshold = VR_CFG_AMP(4),
+		.psi2threshold = VR_CFG_AMP(2),
    	.psi3threshold = VR_CFG_AMP(1),
    	.psi3enable = 1,
    	.psi4enable = 1,
    	.imon_slope = 0x0,
    	.imon_offset = 0x0,
-		.icc_max = VR_CFG_AMP(7),
+		.icc_max = VR_CFG_AMP(5),
    	.voltage_limit = 1520,
+		.ac_loadline = 1500,
+		.dc_loadline = 1430,
    }"

register "domain_vr_config[VR_IA_CORE]" = "{
    	.vr_config_enable = 1,
    	.psi1threshold = VR_CFG_AMP(20),
-		.psi2threshold = VR_CFG_AMP(5),
+		.psi2threshold = VR_CFG_AMP(2),
    	.psi3threshold = VR_CFG_AMP(1),
    	.psi3enable = 1,
    	.psi4enable = 1,
    	.imon_slope = 0x0,
    	.imon_offset = 0x0,
-		.icc_max = VR_CFG_AMP(34),
+		.icc_max = VR_CFG_AMP(24),
    	.voltage_limit = 1520,
+		.ac_loadline = 570,
+		.dc_loadline = 483,
    }"

register "domain_vr_config[VR_GT_UNSLICED]" = "{
    	.vr_config_enable = 1,
    	.psi1threshold = VR_CFG_AMP(20),
-		.psi2threshold = VR_CFG_AMP(5),
+		.psi2threshold = VR_CFG_AMP(2),
    	.psi3threshold = VR_CFG_AMP(1),
    	.psi3enable = 1,
    	.psi4enable = 1,
    	.imon_slope = 0x0,
    	.imon_offset = 0x0,
-		.icc_max = VR_CFG_AMP(35),
+		.icc_max = VR_CFG_AMP(24),
    	.voltage_limit = 1520,
+		.ac_loadline = 550,
+		.dc_loadline = 420,
    }"

register "domain_vr_config[VR_GT_SLICED]" = "{
    	.vr_config_enable = 1,
    	.psi1threshold = VR_CFG_AMP(20),
-		.psi2threshold = VR_CFG_AMP(5),
+		.psi2threshold = VR_CFG_AMP(2),
    	.psi3threshold = VR_CFG_AMP(1),
    	.psi3enable = 1,
    	.psi4enable = 1,
    	.imon_slope = 0x0,
    	.imon_offset = 0x0,
-		.icc_max = VR_CFG_AMP(35),
+		.icc_max = VR_CFG_AMP(24),
    	.voltage_limit = 1520,
+		.ac_loadline = 550,
+		.dc_loadline = 420,
    }"

# Enable Root port 1.