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

Furquan Shaikh (Code Review) gerrit at coreboot.org
Sat Aug 19 02:35:31 CEST 2017


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


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

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 <furquan at chromium.org>
---
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.

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I2c294eb14257d319e1e2d4d1e529481d921ba6f8
Gerrit-Change-Number: 21105
Gerrit-PatchSet: 1
Gerrit-Owner: Furquan Shaikh <furquan at google.com>
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