On Fri, Sep 13, 2019 at 01:40:27PM -0700, Palmer Dabbelt wrote: > OpenEmbedded passes "earlycon=sbi", which I can find in the doumentation. > I can't find anything about just "earlycon". I've sent a patch adding sbi > to the list of earlycon arguments. earlycon without arguments is documented, although just for ARM64. I can send a patch to update it to properly cover all DT platforms in addition.