Re: [PATCH 2/2] New driver: Xillybus generic interface for FPGA(programmable logic)

From: Pavel Machek
Date: Wed Dec 05 2012 - 07:34:56 EST


Hi!

> >Agreed. If I understand you correctly though, your approach is specific
> >to a particular hardware implementation (Zynq) on the user interface layer,
> >which I think is exactly what we should avoid. Obviously, there is
> >always a driver involved that is specific to the IP block you load into
> >an FPGA at runtime, and that is ok. The two parts that I think we
> >should agree on are:

> The approach I am taking is not Zynq specific. The only Zynq
> specific bits will be range checking data from the device tree to
> make sure the user is mapping address space that is used by the FPGA
> and a similar validation of the IRQ numbers. I have not looked at
> the Altera part closely, but I suspect their fpga/processor
> interface may use similar concepts.

So... the arch may be called socfpga, but I don't think we managed to
merge actual fpga parts, yet ;-). In fact, I'm not sure if I actually
seen those... Dinh should know more about status there.
Pavel
--
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