Date: Sun, 02 Mar 2014 21:05:08 -0700 From: Ian Lepore <ian@FreeBSD.org> To: Jordan Starcher <jstarcher@gmail.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@FreeBSD.org> Subject: Re: Raspberry Pi Clock Frequency Message-ID: <1393819508.1149.274.camel@revolution.hippie.lan> In-Reply-To: <CAJTeA=Jmzu-yOdDm4MKKW-p9zfJYnr-7_Aeq1w5DYzh8G-9R6w@mail.gmail.com> References: <CAJTeA=Jmzu-yOdDm4MKKW-p9zfJYnr-7_Aeq1w5DYzh8G-9R6w@mail.gmail.com>
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On Thu, 2014-01-23 at 23:31 -0500, Jordan Starcher wrote: > Hi, > > I was wondering if it is possible to adjust the CPU frequency on the > Raspberry Pi under FreeBSD 10.0-RELEASE? I've been trying to find what the > clock is currently set at using sysctl but I cannot seem to find any values > that show the frequency. I also checked the FreeBSD kernel source and did > not see any related tunable aside from hw.bcm2835.min_freq. Is this the > tunable I would use? > > Thanks, > Jordan I just realized this never got answered, sorry about that. That tunable you mention was a workaround for rpi sdcard problems, and it never actually helped anyway and should probably be removed. If there's a way to change the cpu frequency, it's not in the scanty little doc I've got about that processor. If it can be done, the how-to can probably be found in the linux source, but I don't have time to work on it. -- Ian
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