[fedora-arm] Re: no /dev/mtd* devices in Fedora 40 beta on Rock 5B

> I have my Rock 5B booting Fedora 40 Beta on NVMe, using EDK2 on an SD card.
> I would like to flash the EDK2 image to SPI, but this requires access to
> /dev/mtdblock* devices.
> There appear to be none.
>
> Could this be related to the ACPI vs DTB setting in the EDK2?

It could be that, it could be also that edk2 doesn't expose the mtd
devices as EDK2 treats them as owned by the firmware but then I don't
know if edk2 for that platform would support something like EFI
capsule updates.

> Fedora 40 Beta will not boot in DTB mode, and possibly this is required
> for automatically creating /dev/mtdblock* devices.

I am purely looking at supporting the Rock5B with a U-Boot firmware
stack so that's where I am testing, the problem with ACPI on this
platform is that the vast majority of the drivers don't currently
support ACPI so even if the mtd is in the ACPI tables the drivers may
not support it.
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