[Skiboot] [PATCH] Add NX P7+ support

Stewart Smith stewart at linux.vnet.ibm.com
Fri Mar 13 13:59:25 AEDT 2015

Dan Streetman <ddstreet at ieee.org> writes:
> Add NX config register values for P7+.  Remove "P8" from all register
> defines, where the define is common to P7+ and P8.  For values new to P8
> (specifically 842 prefeching), only enable on P8.
> This should correctly setup the NX coprocessors on P7+ systems.
> Signed-off-by: Dan Streetman <ddstreet at ieee.org>
> ---
> I don't have access to any P7+ bare metal system right now, so I haven't
> tested this to verify it works on P7+, but I did verify it still works
> on a P8 system.

I have P7+ in the lab in CBR that I can test on. I guess the best way is
with the kernel patches?

>From a quick glance, there's nothing we can really do to abstract away
the slight differences between P7 and P8 for kernel?

It doesn't really matter anyway, as P7 with OPAL has only ever been used
internally for development purposes.

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