[U-Boot] burning eMMC from sdcard.img in U-Boot

[Alex Kiernan]

On Tue, Apr 2, 2019 at 9:59 PM Adam Ford <aford173 at gmail.com> wrote:
>
> I have a board with eMMC storage.  I've been trying to find an elegant
> solution to burning the sdcard image to eMMC.  I looked at using the
> USB mass storage gadget, but it's a bit slow.  I was hoping to avoid
> having to boot all the way into Linux to do it, but the sdcard.img
> file is larger than the memory I have available.
>
> Does anyone have any suggestions on how to burn the contents of a file
> to eMMC (or mmc/sd) from within U-Boot when the source file size may
> vary and it's larger than the available memory, so it needs to be done
> in blocks?
>

Convert to Android sparse format and use that? You still need the
sparse image to fit into memory though.

-- 
Alex Kiernan