> Date: Wed, 06 Feb 2019 09:11:51 +0900
> From: SASANO Takayoshi <[hidden email]>
> I am trying to boot OpenBSD on LicheePi Zero (Allwinner V3s) and
> I found this board has "broken-cd" DT binding.
> So we cannot attach microSD device without sximmc(4) modification.
> There is an idea that treat broken-cd as non-removable;
> always card is present, like attached diff.
> But broken-cd means not non-removable, we can detect card presence
> with using SD's DATA line (but it limits 1bit data width and
> slow data transfer rate).
> Does anyone have good ideas?
I think this is an acceptable workaround for now. Not even sure if
adding the logic to use DATA for card detection purposes is worth