[U-Boot-Users] Extremely tiny footprint

[Laurent Pinchart]

> > I would like to use U-Boot as a first-stage boot loader to program flash
> > memory on the target board. The idea is to perform a two-steps procedure:
>
> That's not what U-Boot was designed for. You will run into problems.
>
> > To minimize time spent in step one, I need to make the first-stage boot
> > loader as small as possible (hopefully less than 32kB). Has anyone ever
> > stripped U-Boot that much ? Is there any documentation available ?
>
> Just use a real U-Boot. JTAG programming does not take so long. IMHO
> you're wasting your time.

JTAG programming using the BDI2000 takes about 1s/kB. That's around 4 minutes 
for the real bootloader.

Laurent Pinchart