page says under "possible
with no detail. (note that the three dots are literally on the
webpage, not my paraphrasing).
Support for TPMs /could/ mean support for self-encrypted (Opal) hard
drives, but there are other kinds of TPMs (e.g. fingerprint reading)
so it's unclear what actually works on coreboot.
Someone in #coreboot hinted (without confidence) that only software
encryption is possible under coreboot. Is that true?