kgdb for ppc64 now available

[Benjamin Herrenschmidt]

> Ok, I see.  Is that thing register compatible (or at least close) with a
> 8250/16550 UART?  It seems the udbg.c code treats it that way, but then
> pmac_zilog.c seems to have all its own routines for i/o.  I'd like to just
> hook it up to the existing kgdb 8250 driver code.

No, it's not, it's a zilog 8530. (look at udbg_scc.c in recent kernels)

Ben.