Re: [RFC PATCH v2 0/1] FPGA subsystem core

From: H. Peter Anvin
Date: Mon Oct 07 2013 - 11:08:23 EST


Special soft IP presenting a PCI device to the host.

Michal Simek <monstr@xxxxxxxxx> wrote:
>On 10/07/2013 04:55 PM, H. Peter Anvin wrote:
>> If I recall correctly we simply poked at the FPGA directly from
>userspace.
>Not ideal by any means and also meant we had to have a backup recovery
>mechanism as it meant
>that the FPGA had to be programmed already as the bus interface was in
>soft IP.
>
>ok. How was that physical hardware connection to device you wanted to
>talk?
>Was it any special IP with MMIO? Or gpio jtag emulation or similar?
>
>Thanks,
>Michal

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