[U-Boot] [PATCH] dfu: initial implementation

[Stefan Schmidt]

Hello.

On Sat, 2011-11-05 at 16:31, Wolfgang Denk wrote:
> In message <20111102200717.GP17069 at excalibur.local> you wrote:
> >
> > While I think a dfu command is usefull I don't like the need to
> > execute it before any DFU interaction can happen. That may be an
> > option during development but for field upgrades or receovery it is
> > not.
> 
> Yes, a command is the natural way in U-Boot to start any activities.
> 
> > I already wrote a bit about my approach here. At OpenMoko we used a
> > button to enter u-boot during startup when pressed. This offered a
> 
> This is just another way to start a command.

So bounding a key press to the command would be the way to achieve
what some people want. Fine with me.

> > usbtty interface as usb gadget as well as the runtime descripto for
> > DFU. With dfu-util it was possible to iniate the DFU download or
> > upload procedure while being in the mode. Another option would be to
> > directly jump into DFU mode when a button is pressed.
> 
> NAK.  Let's stick to standard interfaces.

What do you mean here? You don't want the DFU descripto available with
USBTTY or you don't want to start DFU directly in DFU mode?

regards
Stefan Schmidt