From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Schwebel Subject: Re: Getting physical addresses of mmap'd pages from userspace Date: Mon, 13 Oct 2008 09:31:57 +0200 Message-ID: <20081013073157.GK9852@pengutronix.de> References: <200810101815.06249.thomas.cooksey@trolltech.com> <20081010191213.GC9852@pengutronix.de> <200810130833.26399.thomas.cooksey@trolltech.com> <20081013070017.GH9852@pengutronix.de> <20081013092815.1792708d@surf> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20081013092815.1792708d@surf> Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Thomas Petazzoni Cc: Tom Cooksey , linux-embedded mailing list , Denis Olvier Kropp On Mon, Oct 13, 2008 at 09:28:15AM +0200, Thomas Petazzoni wrote: > > We are working on DirectFB [1] support for the PowerVR MBX & SGX > > chips these days, so I know the problem :) Our hardware platform is > > i.MX31 with the MBX, MPC5121e also with MBX (both freescale) and a > > TI OMAP with the SGX. > > This is interesting. Is this work available somewhere? Is it > open-source, or does it rely on proprietary drivers? It will be available when we have something which is worth being reviewed in public. As there is currently no possibility to get any documentation about the cores without NDAs, an open *driver* is IMHO not possible, so we'll have to rely on the proprietary drivers Freescale deliver. Bad, but I don't see another chance by now. rsc -- Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry Handelsregister: Amtsgericht Hildesheim, HRA 2686 Hannoversche Str. 2, 31134 Hildesheim, Germany Phone: +49-5121-206917-0 | Fax: +49-5121-206917-9