Re: Device Tree tool [was RE: [PATCH] Consolidate XILINX_VIRTEX board support]

["Grant Likely" <grant.likely@secretlab.ca>]

On 8/10/07, Koss, Mike (Mission Systems) <mike.koss@ngc.com> wrote:
>
> <<SNIPPAGE>>
> > > > diff --git a/arch/ppc/platforms/4xx/xparameters/xparameters.h
> > > > b/arch/ppc/platforms/4xx/xparameters/xparameters.h
> > > > index 01aa043..34d9844 100644
> > > > --- a/arch/ppc/platforms/4xx/xparameters/xparameters.h
> > > > +++ b/arch/ppc/platforms/4xx/xparameters/xparameters.h
> > > > @@ -15,8 +15,12 @@
> > > >
> > > > #if defined(CONFIG_XILINX_ML300)
> > > > #include "xparameters_ml300.h"
> > > > +#elif defined(CONFIG_XILINX_XUPV2P)  #include
> > > > +"xparameters_xupv2p.h"
> > > > #elif defined(CONFIG_XILINX_ML403)
> > > > #include "xparameters_ml403.h"
> > > > +#elif defined(CONFIG_XILINX_ML41x)
> > > > + #include "xparameters_ml41x.h"
> > > > #else
> > > > /* Add other board xparameter includes here before the #else */
> > > > #error No xparameters_*.h file included
> > >
> > > see comment above.
>
> > This whole xparams stuff is a special case; but it is going away for
> arch/powerpc.  xparameters.h is generated by the xilinx EDK tool and it
> is painful to work with in the Linux context.  For arch/powerpc, I've
> got a tool that generates a device tree from the FPGA hardware design.
>
> What is the tool that you are using and are you willing to share it at
> this point? I'm currently working on some code to generate platform
> files for our internal drivers and the ll_temac vs using the ugle
> xparam's file. I'd like to not duplicate, or actually assist, any effort
> in this area.

It's on my git tree; http://git.secretlab.ca

I've also got some feedback from the Xilinx folks in the form of a
patch, but I haven't integrated it yet.  Pretty experimental stuff,
I'll probably end up rewriting it from scratch before it's done.

Cheers,
g.

>
> -- Mike Koss
>
>


-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely@secretlab.ca
(403) 399-0195