From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757988Ab3FMN02 (ORCPT ); Thu, 13 Jun 2013 09:26:28 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:37243 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752531Ab3FMN01 (ORCPT ); Thu, 13 Jun 2013 09:26:27 -0400 Date: Thu, 13 Jun 2013 15:26:24 +0200 From: Pavel Machek To: Aaro Koskinen Cc: pali.rohar@gmail.com, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org Subject: Re: N900 device tree conversion: how to do first step Message-ID: <20130613132624.GA3464@amd.pavel.ucw.cz> References: <20130609015944.GA23559@amd.pavel.ucw.cz> <20130609201119.GA3190@blackmetal.musicnaut.iki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130609201119.GA3190@blackmetal.musicnaut.iki.fi> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > I'd like to convert Nokia N900 to device tree. > > > > Unfortunately, serial port is not easily available (very special cable > > would be needed, does someone know where to get one?) and I don't have > > BDI (and very special cable would be needed, too). > > > > So I tried doing very small first step, hoping that I get booting > > system... obviously I did not. > > The following works for me, it's enough to boot and get the USB networking > working. After that I can connect to the device with ssh. I don't use > serial either, I just have initramfs with busybox+dropbear with hardcoded > interface setup. Nice.... thanks a lot. Did you get video to work with the device tree? That's what I'd like to accomplish now. If I init spi manually (and some more hacks), it works in the qemu. But I have not tested on real hw for a while. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Thu, 13 Jun 2013 15:26:24 +0200 Subject: N900 device tree conversion: how to do first step In-Reply-To: <20130609201119.GA3190@blackmetal.musicnaut.iki.fi> References: <20130609015944.GA23559@amd.pavel.ucw.cz> <20130609201119.GA3190@blackmetal.musicnaut.iki.fi> Message-ID: <20130613132624.GA3464@amd.pavel.ucw.cz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi! > > I'd like to convert Nokia N900 to device tree. > > > > Unfortunately, serial port is not easily available (very special cable > > would be needed, does someone know where to get one?) and I don't have > > BDI (and very special cable would be needed, too). > > > > So I tried doing very small first step, hoping that I get booting > > system... obviously I did not. > > The following works for me, it's enough to boot and get the USB networking > working. After that I can connect to the device with ssh. I don't use > serial either, I just have initramfs with busybox+dropbear with hardcoded > interface setup. Nice.... thanks a lot. Did you get video to work with the device tree? That's what I'd like to accomplish now. If I init spi manually (and some more hacks), it works in the qemu. But I have not tested on real hw for a while. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html