Re: [coreboot] USB debug cables and emulation

[Joseph Smith]

On Thu, 26 Jun 2008 12:48:25 -0400, Joseph Smith 
wrote:
> > > I read somewhere you could make one, but I don't know how difficult
>
> that
> > > would be. I was always wondering if you could just use two USB ->
>
> Serial
> > > adapters with a null modem cable in the middle??
> >
> > Nope, won't work. You need a USB device that explicitly understands USB
> > debug mode. In this mode you don't have to set up the BARs (ie no memory
> > required) to talk USB.
>
> This guy was able to get it working with one USB -> Serial adapter
> (reversed) on an iMac (with ICH7) using Solaris as the host:
>
> http://blogs.sun.com/szhou/entry/solaris_on_efi_imac

I have to say, the more I think about this, it would be really cool to
setup coreboot to do the same:-)