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

[Robert Schwebel <r.schwebel@pengutronix.de>]

On Wed, Apr 08, 2009 at 12:25:16PM -0700, ksi at koi8.net wrote:
> 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.

I suppose you didn't look in the right place. We don't even have support
for i2c and spi in v2 :-)

rsc
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