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

Jerry Van Baren gerald.vanbaren at ge.com
Wed Apr 8 21:19:19 CEST 2009


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.

Best regards,
gvb


More information about the U-Boot mailing list