From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755002AbbAVUu7 (ORCPT ); Thu, 22 Jan 2015 15:50:59 -0500 Received: from 251.110.2.81.in-addr.arpa ([81.2.110.251]:55749 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753898AbbAVUu5 (ORCPT ); Thu, 22 Jan 2015 15:50:57 -0500 Date: Thu, 22 Jan 2015 20:50:39 +0000 From: One Thousand Gnomes To: Jason Gunthorpe Cc: atull , michal.simek@xilinx.com, linux-kernel@vger.kernel.org, delicious.quinoa@gmail.com, dinguyen@opensource.altera.com, yvanderv@opensource.altera.com Subject: Re: your mail Message-ID: <20150122205039.11317a65@lxorguk.ukuu.org.uk> In-Reply-To: <20150121235728.GB5669@obsidianresearch.com> References: <20150121201024.GA4548@obsidianresearch.com> <20150121235728.GB5669@obsidianresearch.com> Organization: Intel Corporation X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > The functions above are fine for a generic manufacturer bitfile loader, > ie Xilinx GPIO twiddling, Altera JTAG, Zynq DMA, etc. > > But wrappered around that should be another set of functions that are > bitfile specific. And also a transport layer. You can have the same FPGA with the same loader protocol off multiple different bus types (from USB to on CPU die and all the way between). Alan