From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [PATCH] cpufreq support for 7447A on 2004 iBooks From: Benjamin Herrenschmidt To: John Steele Scott Cc: linuxppc-dev list , Christiaan Welvaart , cpufreq@www.linux.org.uk In-Reply-To: <200406051846.50718.toojays@toojays.net> References: <200406051846.50718.toojays@toojays.net> Content-Type: text/plain Message-Id: <1086452473.12664.36.camel@gaston> Mime-Version: 1.0 Date: Sat, 05 Jun 2004 11:21:14 -0500 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sat, 2004-06-05 at 04:15, John Steele Scott wrote: > > Okay, thanks to some tips from Benjamin Herrenschmidt, I now have a patch > against 2.6.6 which lets you control dynamic frequency scaling on the latest > model iBook G4. I imagine that this same method would apply to the new > PowerBooks as well. I suggest you also look at the latest Darwin code Apple released, more sepecifically AppleMacRISC2PE. There is some new bits including something about tweaking a bus delay when changing the frequency on these models. Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/