From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lo.gmane.org ([80.91.229.12]) by linuxtogo.org with esmtp (Exim 4.69) (envelope-from ) id 1NtdB9-0005X2-Nb for openembedded-devel@lists.openembedded.org; Mon, 22 Mar 2010 09:40:12 +0100 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Ntd7Z-0006sB-OZ for openembedded-devel@lists.openembedded.org; Mon, 22 Mar 2010 09:36:25 +0100 Received: from s55917625.adsl.wanadoo.nl ([85.145.118.37]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 22 Mar 2010 09:36:25 +0100 Received: from k.kooi by s55917625.adsl.wanadoo.nl with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 22 Mar 2010 09:36:25 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: openembedded-devel@lists.openembedded.org From: Koen Kooi Date: Mon, 22 Mar 2010 09:35:11 +0100 Message-ID: References: Mime-Version: 1.0 X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: s55917625.adsl.wanadoo.nl User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.8) Gecko/20100314 Shredder/3.0.4pre In-Reply-To: X-Enigmail-Version: 1.0.1 X-SA-Exim-Connect-IP: 80.91.229.12 X-SA-Exim-Mail-From: gcho-openembedded-devel@m.gmane.org X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on discovery X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS, SPF_PASS autolearn=ham version=3.2.5 X-SA-Exim-Version: 4.2.1 (built Wed, 25 Jun 2008 17:20:07 +0000) X-SA-Exim-Scanned: Yes (on linuxtogo.org) Subject: Re: hawkboard at 456 Mhz? X-BeenThere: openembedded-devel@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: openembedded-devel@lists.openembedded.org List-Id: Using the OpenEmbedded metadata to build Distributions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Mar 2010 08:40:12 -0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 21-03-10 20:38, Frans Meulenbroeks wrote: > 2010/3/21 Koen Kooi : >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On 21-03-10 13:57, Frans Meulenbroeks wrote: >>> Hi, >>> >>> In the openembedded repository I saw the following patch: >>> http://cgit.openembedded.org/cgit.cgi/openembedded/tree/recipes/linux/linux-davinci/da850_omapl138_opp456mhz.patch >>> This seems to suggest that it is possible to run the hawkboard at 456 >>> Mhz (and yeah: I know it is out of spec and out of warranty, but for >>> an experiment it would be quite helpful for me). >>> I've build the kernel with openembedded, the patch is applied, >>> CONF_CPU_FREQ is defined, but the control hook in /sys is not there. >>> I've also tried tweaking the file with the settings (ds850.c) but to no avail. >>> >>> Anyone a suggestion on how to get this done? >> >> You need a newer kernel that doesn't rely on the TPS part for cpufreq >> (hawkboard lacks a PMIC, the evm uses the TPS). You can build from the >> ti/staging[1] branch to get such a kernel. >> >> Or wait a week for that branch to get merge, internal testing is finally >> wrapping up. >> >> [1] http://gitorious.org/angstrom/openembedded/commits/ti/staging > > > Koen, > > Thanks alot! > As patience is something that I don't have an overdose of, I decided > not to waste any on this issue. > So I checked out the git and rebuild the kernel. Works like a charm. > > For those who want to reproduce this: > Be sure to adapt defconfig (CONFIG_DA8XX_MAX_SPEED_456=y) > > I changed the speed setting with cpuspeed, this one is not on the > angstrom feed, so you need to build it yourself too. I use cpufrequtils, is cpuspeed a better option? -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (Darwin) iD8DBQFLpyu/MkyGM64RGpERAp9qAJ4ppZ8U3HCBTD+zp+TUs2Y6+vNeAwCdElnj 0Lk6h8fnSQjG2G58ihbMy20= =6PRK -----END PGP SIGNATURE-----