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todo note: disable mei in devicetrees 

Signed-off-by: Leah Rowe <info@minifree.org>
master
Leah Rowe 2024-01-25 14:45:31 +00:00
parent f0164c068a
commit 1db5a7b31d
1 changed files with 19 additions and 0 deletions
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@ -2197,3 +2197,22 @@ this was tested on windows in the lenovo firmware, but it will
be possible to use this in coreboot with linux/bsd be possible to use this in coreboot with linux/bsd
todo: test it. need to actually solder it and test it. todo: test it. need to actually solder it and test it.
Disable ME device in devicetree
================================
We neutered, but coreboot still enables MEI1 on many boards.
Look in devicetrees within coreboot, and see:
```
device ref mei1 on end
device ref mei2 off end
device ref me_ide_r off end
device ref me_kt off end
```
Example taken from lenovo/x230. We could just turn all of these off.
It doesn't affect anything in practise, whether this is on or not, because
we neuter anyway, so the ME interface is broken by default. Leaving it
on in devicetree will result in a benign error message on linux dmesg.