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authorstatham_chu <statham_chu@pegatron.corp-partner.google.com>2018-09-20 16:02:04 +0800
committerPatrick Georgi <pgeorgi@google.com>2018-09-28 09:53:19 +0000
commit200262c87d1b32a47c7f7c67f92e77454c9cf262 (patch)
treeb5d44affa7cca1a09c228491ed00ebad5d075cf9 /Documentation/lib
parentb269f873b0a0d43911adc907a53bbebadc742b78 (diff)
downloadcoreboot-200262c87d1b32a47c7f7c67f92e77454c9cf262.tar.xz
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@pegatron.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/28695 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
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