On Thu, Feb 26, 2009 at 08:47:29AM -0700, Gary Thomas wrote:

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Is there support for this device anywhere?  In particular,
the M88E6095 switch.

Not at the moment, but it should be easy enough to add.  If your
board already runs on 2.6.28+, I can whip up some patches for you
to try from the docs I have for that part.

That would be much appreciated, thanks.

I noticed that the 6095/6095F are quite similar to the 6131 as far
as the register set goes.  So something along these lines (hacky
patch, breaks 6131, not for mainline) might just work to detect
single 6095s (cascading DSA chips is something that needs more work,
let's get the single-chip case working first).

The other thing you'll need to do is create dsa platform devices
for your switch chips, a la how it's done in arch/arm/mach-orion5x/
or arch/arm/mach-kirkwood/ for example -- you need to pass in a struct
device * for your network device, a struct device * for your mii bus,
the switch MII address on the MII bus, and names of the individual
ports (where you'll specify "cpu" for the port on the switch chip that
the CPU is connected to).

Let me know if this works.

Thanks, I'll give it a try.  It will take a little effort
to get setup as I have to work within the open firmware
structure (that's how all the various components are
specified).

Right, we don't have OF bindings yet.  I guess this would make sense
to do generically at some point, since there are quite a few PPC
platforms with DSA switch chips.