From owner-freebsd-arm@FreeBSD.ORG Tue Nov 21 11:14:56 2006 Return-Path: X-Original-To: freebsd-arm@freebsd.org Delivered-To: freebsd-arm@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 689EF16A47B for ; Tue, 21 Nov 2006 11:14:56 +0000 (UTC) (envelope-from mlfbsd@dong.ci0.org) Received: from dong.ci0.org (cognet.ci0.org [80.65.224.102]) by mx1.FreeBSD.org (Postfix) with ESMTP id E1B8B43DD2 for ; Tue, 21 Nov 2006 11:13:47 +0000 (GMT) (envelope-from mlfbsd@dong.ci0.org) Received: from dong.ci0.org (localhost.ci0.org [127.0.0.1]) by dong.ci0.org (8.13.7/8.13.4) with ESMTP id kALBTRqx087077; Tue, 21 Nov 2006 12:29:28 +0100 (CET) (envelope-from mlfbsd@dong.ci0.org) Received: (from mlfbsd@localhost) by dong.ci0.org (8.13.7/8.13.4/Submit) id kALBTQuL087076; Tue, 21 Nov 2006 12:29:27 +0100 (CET) (envelope-from mlfbsd) Date: Tue, 21 Nov 2006 12:29:26 +0100 From: Olivier Houchard To: "Daan Vreeken [PA4DAN]" Message-ID: <20061121112926.GA87021@ci0.org> References: <7380637.post@talk.nabble.com> <20061116.093638.63053940.imp@bsdimp.com> <200611202303.52817.Danovitsch@vitsch.net> <200611202312.58007.Danovitsch@vitsch.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200611202312.58007.Danovitsch@vitsch.net> User-Agent: Mutt/1.4.1i Cc: freebsd-arm@freebsd.org Subject: Re: At91rm9200 how to start with FreeBSD X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Nov 2006 11:14:56 -0000 Hi Daan, On Mon, Nov 20, 2006 at 11:12:57PM +0100, Daan Vreeken [PA4DAN] wrote: > On Monday 20 November 2006 23:03, Daan Vreeken [PA4DAN] wrote: > > Hi Warner (and the list), > > > > On Thursday 16 November 2006 17:36, M. Warner Losh wrote: > > > In message: <7380637.post@talk.nabble.com> > > > > > > Zuy writes: > > > : How I'm soldering board based on AT91RM9200 with 16mb SDRAM and othe > > > : standartpPeripherals(USB, SD, UART ...). I'm going to run FreeBSD on > > > : this board, but unfortunately I do not know how to start. > > > : I havn't found any files connected with AT91RM9200 in FreeBSD6.0 Stable > > > : source files directory. > > > : I found from this board that freebsd works on at91rm9200. > > > > > > Yes. It does. FreeBSD-current has the most up to date tested code > > > for this platform. FreeBSD 6.2 will contain the tools you need to > > > build it, as well as a slightly less advanced version (the freeze date > > > for 6.2 was a while ago). 6.3 is likely to have even more advanced > > > support. > > > > ... > > > > > Here's the broad outlines. > > > > ... followed by a very nice ARM-introduction :) ... > > > > > Feel free to ask questions. the more people that ask, the bigger my > > > collection of email on the topic gets, and the easier it will be for > > > me to synthesize a tutorial. Also, if there are areas that I've been > > > vague, please don't hesitate to let me know. > > > > This email got me to dust-off the KB9202B board my company bought a while > > back for a project that hasn't started (yet). With your email it was quite > > easy to get the board to work. I now use the original Kwikbyte boot loader > > to load the kernel with tftp. After that the kernel mounts root over NFS > > and everything works like a charm. > > If I am going to use this board in the project it was intended for, we will > > need USB support, so I took a shot at getting USB working... > > Stupid me, I pressed [ctrl+enter] while typing this email instead of [enter], > so a piece of the intended story didn't make it into the first email :-s > > The conclusion : I've got USB to work. !! That's great news ! Thanks a lot for doing this. > What I changed : > > o updated hints.at91rm9200 (ohci controller is on ASB) > o I've added a mapping for the OHCI controller in kb920x_machdep.c that > maps the controller to 0xdfe00000 (just below where the IO region is > mapped) > > After enabling the ohci controller it crashed in usbd_transfer() because of > missing device->bus->buffer_dmatag so I added : > > o allocate dma tags in ohci_atmelarm_attach() > > (inspired by ohci_pci.c) > > o destroy dma tags in ohc_atmelarm_detach() > > With these changes USB is now working on the board I have here. I have > succesfully read the entire content of a memory stick inside a digital camera > with it. There are some problems though (not sure yet where they come from). > I have a if_axe device here that doesn't want to work. (Will investigate > further). > Not working as in failed to probe/attach, or fail to transfer ? If it is fail to transfer, a common issue on arm is the lack of proper use of bus_dmamap_sync(), because arm is the only arch which really needs those (I don't know the USB code enough to tell if it's the problem here, but it's an usual suspect). > Also, I'm not sure if I need to tell the kernel more about the VA/PA mapping I > have added and wheter or not there is a better way/place to do the mapping. > Any comments are appreciated. Given the static nature of the OHCI controller, I think it's OK to do as you did, that's KVA we won't use anyway. > If time permits I'll try to implement a driver for the USB Device Port as it > could also come in handy when we're going to use these boards. > That would be great. > btw: This work is sponsored by Vitsch Electronics. > We'll make sure it appears in the commit log. Thanks a lot ! Olivier > -- > Daan > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"