From owner-freebsd-ppc@FreeBSD.ORG Sat Feb 27 22:44:09 2010 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 84BFD1065670; Sat, 27 Feb 2010 22:44:09 +0000 (UTC) (envelope-from andreast-list@fgznet.ch) Received: from smtp.fgznet.ch (mail.fgznet.ch [81.92.96.47]) by mx1.freebsd.org (Postfix) with ESMTP id 1F1328FC16; Sat, 27 Feb 2010 22:44:08 +0000 (UTC) Received: from deuterium.andreas.nets (dhclient-91-190-8-131.flashcable.ch [91.190.8.131]) by smtp.fgznet.ch (8.13.8/8.13.8/Submit_SMTPAUTH) with ESMTP id o1RMi5MR008409; Sat, 27 Feb 2010 23:44:06 +0100 (CET) (envelope-from andreast-list@fgznet.ch) Message-ID: <4B89A035.6060807@fgznet.ch> Date: Sat, 27 Feb 2010 23:44:05 +0100 From: Andreas Tobler User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1.7) Gecko/20100111 Lightning/1.0b1 Thunderbird/3.0.1 MIME-Version: 1.0 To: Nathan Whitehorn References: <4B8984BF.5080607@oracle.com> <4B898D00.9030706@fgznet.ch> <4B898E84.1040200@gmail.com> <4B89930D.3060800@fgznet.ch> <4B8997BD.5080601@freebsd.org> In-Reply-To: <4B8997BD.5080601@freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.64 on 81.92.96.47 Cc: freebsd-ppc@freebsd.org Subject: Re: Fan/Power controls X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Feb 2010 22:44:09 -0000 On 27.02.10 23:07, Nathan Whitehorn wrote: > Andreas Tobler wrote: >> On 27.02.10 22:28, Alexander Bakst wrote: >>> (Switched my non-work e-mail) >>> >>> Well, I actually am using a fancy apple G5 - I belive it is a power >>> 970fx, not sure though. I'm not even sure how to check the current clock >>> frequency of my cpu. To be honest, it would be fantastic if it weren't >>> running at the highest speed, since I would like to save power. I don't >>> know if the kernel will tell the cpu to snooze/nap. >> >> Hm, it is a 970FX @ 2000.36 MHz. >> I'm confused that there is no smu? >> Maybe this one lacks the smu. According to the docs I have, the 7,3 >> behaves similar to the 7,2. And the 7,2/3 do not have an smu. The cpu >> speed is controlled via freq and volt. And some nasty gpio interrupts >> @ Nathan :) This bites me currently! >> >> Can you boot this machine into OS-X and see what it tells you about >> the CPU speed? >> >> Hopefully I'm wrong :) > The CPU speed is only low if you break into OF at boot. If you just let > it autoboot on PowerMac 7,2 and 7,3 (and RackMac 3,1), it has the > correct value. Hm, for my understanding, how can I boot w/o OF into netboot mode? IOW, my CPU speed is always wrong while doing so. > Unfortunately, Andreas is right that your machine is > SMU-free, and so there is no fan control at the moment. I believe he is > working on fixing that, and, if you are feeling ambitious, you could try > working together. It should be fairly straightforward, and your other > options, unfortunately, are waiting or falling back to Debian. I currently work on a cpufreq driver for these 'cranky' PowerMac7,2/3,RackMac3.1. And I suffer some gpio understanding. The fan control will take some more time since I need some i2c drivers first. Andreas