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authorGaggery Tsai <gaggery.tsai@intel.com>2018-02-05 13:47:39 +0800
committerMartin Roth <martinroth@google.com>2018-02-08 19:47:42 +0000
commit2a81fedd6aecba4c7b1be7b1fea68cde215b5252 (patch)
tree3d3f71085e99447495070d62997c347a3abdab07
parent54fa28efc3673c6f2632770e92ddb3beb7909fe4 (diff)
mb/google/poppy/variants/nami: Revise AC/DC loadlines
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>
-rw-r--r--src/mainboard/google/poppy/variants/nami/devicetree.cb20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index 55ecb26c11..c4819663cc 100644
--- a/src/mainboard/google/poppy/variants/nami/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb
@@ -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)