Re: FPGA programming driver architecture

[Florian Fainelli]

Hello,

Le Thursday 08 January 2009 23:47:58 Leon Woestenberg, vous avez écrit :
> Indeed.
>
> The programming back end should be generic enough so that it can use
> other subsystems.
>
> The FPGA configuration interface could be on the memory bus (and in
> many cases the DMA helpers can be used) or behind a PCI bus, or can
> even have SPI etc front-ends.
>
> In general the programming API should accept a blob of data,
> preferably in one chunk (pointer plus length) or at least 4kB chunks
> or so, so that configuration is not severy overheaded by a callback
> per byte (or even bit).

That's the idea behind using request_firmware, which provides you with both a 
pointer to the data and the size of the blob.
-- 
Best regards, Florian Fainelli
Email : florian@xxxxxxxxxxx
http://openwrt.org
-------------------------------

Attachment: signature.asc
Description: This is a digitally signed message part.