[U-Boot] Multiple device support -- sorry state :(

[ksi at koi8.net]

On Wed, 8 Apr 2009, Jerry Van Baren wrote:

> ksi at koi8.net wrote:
> > OK, this is _NOT_ just multiple I2C adapters... The entire thing is
> > fundamentally broken.
> > 
> > One supposed to have _THE_ device and only this device is somehow
> supported.
> > 
> > Now it is USB. Each and every USB driver exports the same set of
> functions,
> > submit_XXX_msg(...) That means there can be one and only one USB
> device in
> > the system.
> 
> [snip the badly scorched spot ;-)]
> 
> > USB keyboard is another grand kludge deserving its own chapter... As
> of now
> > one can only switch to it from command line because USB is not even
> > initialized until do_usb() from cmd_usb.c is called... What if we do
> NOT
> > have a serial console at all?
> 
> Dumb question because I have not looked seriously at the v2 fork of
> u-boot:
> how does the v2 fork handle this?  Better?  Since the v2 fork uses (or
> is
> close to) the linux driver model, I would expect it to be better.

Nothing's changed here...

And that is _NOT_ just USB, it is everywhere -- I2C, SPI, etc. It is stiff,
inflexible, everything written in stone and that stone is permanently set in
concrete.

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