[fedora-arm] BeagleBone Black CPU speed

Jos Vos jos at xos.nl
Sun Dec 29 18:45:33 UTC 2013

On Mon, Dec 30, 2013 at 02:10:37AM +0800, Steve Underwood wrote:

> It looks like the BeagleBone Black is still running at 550MHz with the 
> latest Fedora 20. Does anyone know what is holding it back from running 
> at 1GHz? Is the a uboot thing, or a kernel thing, or something else? I 
> saw a version of uboot referred to as making the BBB run at 1GHz, but 
> when I tried experimenting with that I got the same 550MHz clock speed.

As I reported earlier, using a Debian image runs (more than) 2x faster,
so it might be possible to analyze it, looking at what they did/use
(both Fedora and Debian are booted from SD, the stock eMMC is not changed).

--    Jos Vos <jos at xos.nl>
--    X/OS Experts in Open Systems BV   |   Phone: +31 20 6938364
--    Amsterdam, The Netherlands        |     Fax: +31 20 6948204

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