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| author | Shon <shon.wang@quanta.corp-partner.google.com> | 2024-07-19 13:12:56 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-09-06 13:34:28 +0000 |
| commit | 516a31551ef3b4da9840ffa6354aef17bff12535 (patch) | |
| tree | 18f82285b18314e2dab429badf8589cd066c19f5 /src/drivers/generic/cbfs-uuid | |
| parent | 93db775bf797f6d43ddb605a903d01f0157649c7 (diff) | |
mb/google/brask/var/bujia: Add PSYS setting
According to the Intel OPS spec, the DC power from display is
12~19V@8A max. It can't set PsysPmax by unknown voltage, so get
voltage by ec command "ectool adcread 4" then calculate PsysPmax value.
The OPS display can supply 90W power, configure psys_pl2 to limit
the system power to 90W.
BUG=b:329037849
BRANCH=firmware-brya-14505.B
TEST= USE="fw_debug" LOCALES="en" emerge-brask chromeos-bmpblk
intel-rplfsp intel-adlfsp coreboot chromeos-bootimage
Check adcread value by ectool adcread 4. If get 19540, PsysPmax
should be 19540 * 8000 ~= 156 W.
Check FSP debug log have the following message.
PsysPmax = 156W
Change-Id: Ic6e9c6ce9f3179c7d63c1169695fbc23188456dd
Signed-off-by: Shon <shon.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83593
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Derek Huang <derekhuang@google.com>
Diffstat (limited to 'src/drivers/generic/cbfs-uuid')
0 files changed, 0 insertions, 0 deletions