[coreboot] USB debug cables and emulation

[Joseph Smith]

On Thu, 26 Jun 2008 12:48:25 -0400, Joseph Smith <joe at settoplinux.org>
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:-)

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org