kgdb for ppc64 now available

[Geoff Levand]

Benjamin Herrenschmidt wrote:
> On Thu, 2005-09-29 at 10:22 -0700, Geoff Levand wrote:
> 
>>For those interested, kgdb now supports ppc64 SMP.  On powermac 
>>only an Ethernet connection is supported currently, but generic 
>>8250 UART PCI cards will be supported soon.
> 
> 
> It should be fairly trivial to support the SCC of the powermacs. You can
> access it with a serial port adapter from www.geethree.com, it's handy
> as it also works with OF.
> 

I am starting to look into this.  I got the geethree hardware, but I see 
there is some code in pmac_zilog.c and some in udbg.c.  Do both these use this 
port, or are they using different H/W?  First step is to just get some char's out.
How do I get the kernel configured to use this port?

-Geoff