[coreboot-gerrit] Change in coreboot[master]: mainboard/google/poppy/variants/rammus: Modify VR setting
Patrick Georgi (Code Review)
gerrit at coreboot.org
Fri Sep 28 11:53:22 CEST 2018
Patrick Georgi has submitted this change and it was merged. ( https://review.coreboot.org/28695 )
Change subject: mainboard/google/poppy/variants/rammus: Modify VR setting
......................................................................
mainboard/google/poppy/variants/rammus: Modify VR setting
We refer to Intel Doc#594883.
The recommended Ac/Dc loadline values are as below:
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
#| Domain/Setting | SA | IA | GTUS | GTS |
#+----------------+-------+-------+-------+-------+
#| Psi1Threshold | 20A | 20A | 20A | 20A |
#| 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 |
#| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
#| AcLoadline | 14.4 | 4.2 | 5.7 | 4.47 |
#| DcLoadline | 14.0 | 4.17 | 4.2 | 4.3 |
#+----------------+-------+-------+-------+-------+
BUG=b:112167318
BRANCH=master
TEST=emerge-rammus coreboot chromeos-ec chromeos-bootimage
Flash FW to DUT, and make sure system boots up.
Change-Id: I2d83d835ec841ac4cc811a0a69f74d203d5ea173
Signed-off-by: statham_chu <statham_chu at pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/28695
Tested-by: build bot (Jenkins) <no-reply at coreboot.org>
Reviewed-by: Furquan Shaikh <furquan at google.com>
---
M src/mainboard/google/poppy/variants/rammus/devicetree.cb
1 file changed, 9 insertions(+), 9 deletions(-)
Approvals:
build bot (Jenkins): Verified
Furquan Shaikh: Looks good to me, approved
diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
index 7b851ac..b750cb8 100644
--- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
@@ -83,8 +83,8 @@
#| ImonSlope | 0 | 0 | 0 | 0 |
#| ImonOffset | 0 | 0 | 0 | 0 |
#| 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 |
+ #| AcLoadline | 14.4 | 4.2 | 5.7 | 4.47 |
+ #| DcLoadline | 14.0 | 4.17 | 4.2 | 4.3 |
#+----------------+-------+-------+-------+-------+
register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
.vr_config_enable = 1,
@@ -96,8 +96,8 @@
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
- .ac_loadline = 1500,
- .dc_loadline = 1430,
+ .ac_loadline = 1440,
+ .dc_loadline = 1400,
}"
register "domain_vr_config[VR_IA_CORE]" = "{
@@ -110,8 +110,8 @@
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
- .ac_loadline = 570,
- .dc_loadline = 483,
+ .ac_loadline = 420,
+ .dc_loadline = 417,
}"
register "domain_vr_config[VR_GT_UNSLICED]" = "{
@@ -124,7 +124,7 @@
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
- .ac_loadline = 550,
+ .ac_loadline = 570,
.dc_loadline = 420,
}"
@@ -138,8 +138,8 @@
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
- .ac_loadline = 550,
- .dc_loadline = 420,
+ .ac_loadline = 447,
+ .dc_loadline = 430,
}"
# Enable Root port 1.
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I2d83d835ec841ac4cc811a0a69f74d203d5ea173
Gerrit-Change-Number: 28695
Gerrit-PatchSet: 6
Gerrit-Owner: Statham Chu <statham_chu at pegatron.corp-partner.google.com>
Gerrit-Reviewer: Furquan Shaikh <furquan at google.com>
Gerrit-Reviewer: Patrick Georgi <pgeorgi at google.com>
Gerrit-Reviewer: Statham Chu <statham_chu at pegatron.corp-partner.google.com>
Gerrit-Reviewer: build bot (Jenkins) <no-reply at coreboot.org>
Gerrit-CC: Gaggery Tsai <gaggery.tsai at intel.com>
Gerrit-CC: Jerry Chou <jerry_chou at pegatron.corp-partner.google.com>
Gerrit-CC: Ken Lu <ken_lu at pegatron.corp-partner.google.com>
Gerrit-CC: YanRu Chen <kane_chen at pegatron.corp-partner.google.com>
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