From 2a81fedd6aecba4c7b1be7b1fea68cde215b5252 Mon Sep 17 00:00:00 2001 From: Gaggery Tsai Date: Mon, 5 Feb 2018 13:47:39 +0800 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/23635 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- .../google/poppy/variants/nami/devicetree.cb | 20 +++++++++---------- 1 file 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)