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mb/google/poppy/variants/nami: Revise AC/DC loadlines

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This patch revises AC/DC loadlines from VRTT reports.

+----------------+-------+-------+-------+-------+
| Domain/Setting |  SA   |  IA   | GTUS  |  GTS  |
+----------------+-------+-------+-------+-------+
| AcLoadline     | 11    | 2.4   | 3.1   | 3.1   |
| DcLoadline     | 10    | 2.46  | 3.1   | 3.1   |
+----------------+-------+-------+-------+-------+

BUG=b:72351128 b:72129954
BRANCH=None
TEST=emerge-nami coreboot chromeos-bootimage & ensure the settings
     are passed to FSP.

Change-Id: Ib8aeb82973c42723d7b623967f8085c8f1d926eb
Signed-off-by: Gaggery Tsai <gaggery.tsai@intel.com>
Reviewed-on: https://review.coreboot.org/23635
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Gaggery Tsai
2018-02-05 13:47:39 +08:00
committed by Martin Roth
parent 54fa28efc3
commit 2a81fedd6a
1 changed files with 10 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/mainboard/google/poppy/variants/nami/devicetree.cb
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@@ -78,8 +78,8 @@ chip soc/intel/skylake
#| 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 | 11 | 2.4 | 3.1 | 3.1 |
#| DcLoadline | 10 | 2.46 | 3.1 | 3.1 |
#+----------------+-------+-------+-------+-------+
register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
.vr_config_enable = 1,
@@ -91,8 +91,8 @@ chip soc/intel/skylake
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
.ac_loadline = 1500,
.dc_loadline = 1430,
.ac_loadline = 1100,
.dc_loadline = 1000,
}"
register "domain_vr_config[VR_IA_CORE]" = "{
@@ -105,8 +105,8 @@ chip soc/intel/skylake
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
.ac_loadline = 570,
.dc_loadline = 483,
.ac_loadline = 240,
.dc_loadline = 246,
}"
register "domain_vr_config[VR_GT_UNSLICED]" = "{
@@ -119,8 +119,8 @@ chip soc/intel/skylake
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
.ac_loadline = 550,
.dc_loadline = 420,
.ac_loadline = 310,
.dc_loadline = 310,
}"
register "domain_vr_config[VR_GT_SLICED]" = "{
@@ -133,8 +133,8 @@ chip soc/intel/skylake
.imon_slope = 0x0,
.imon_offset = 0x0,
.voltage_limit = 1520,
.ac_loadline = 550,
.dc_loadline = 420,
.ac_loadline = 310,
.dc_loadline = 310,
}"
# Root port 4 (x1)