Re: Frequency (cpu speed) control on AU1100

[Pete Popov <ppopov@mvista.com>]

Bob Lees wrote:

> Hi All
>
> I am working on an AU1100 board (Aurora) from DSP Design and want to control 
> the processor cpu speed, as in CPU_FREQ, type control.  I suspect I am 
> missing something somewhere, but I can't find any references to cpu speed 
> control for the MIPS processors, specically the au1x range.
>
> Any clues?
>  
I assume you mean dynamically? Or at boot time only?

There is an Au1x power management implementation that I haven't tested 
in a while. It allows you to scale the frequency using sysctl, if I 
remember correctly.

Pete