Date: Sun, 2 Mar 2014 21:53:04 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Ian Lepore <ian@freebsd.org> Cc: Jordan Starcher <jstarcher@gmail.com>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Raspberry Pi Clock Frequency Message-ID: <CAJ-Vmo==C=iXq_GmJhfXn88wmO1TZyM0aTDpwC_og60V24tCjg@mail.gmail.com> In-Reply-To: <1393819508.1149.274.camel@revolution.hippie.lan> References: <CAJTeA=Jmzu-yOdDm4MKKW-p9zfJYnr-7_Aeq1w5DYzh8G-9R6w@mail.gmail.com> <1393819508.1149.274.camel@revolution.hippie.lan>
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I believe it's something that is done in the bootloader config, not by Linux itself. Phew. -a On 2 March 2014 20:05, Ian Lepore <ian@freebsd.org> wrote: > 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 > > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
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