Re: [microblaze-uclinux] Clock Speed Changes

[Paul Hartke <phartke@xxxxxxxxxxxx>]

You will see nowhere near 450Mhz microblaze performance.

I would use BSB to build two different designs each with a different clock
speed in the drop down box selected.  diff the two mhs's and it will be
clear what needs to be changed to get the DCM to generate different clock
frequencies.  Keep in mind there is a LOW and HIGH speed setting on the
dcms  so you need to be careful about that--I don't remember the details.

Paul

Quoting Abot Botbot <dejanigma@xxxxxxxxxxx>:
> Hey All,
>
>   This not a uCLinux question, but I'm sure you can answer it readily.
> I'm
> working on a Microblaze design on the ML401 board. I want to try a few
> clock
> speeds to see how fast I can get it to work (I hear it can go up to 450
> MHZ). Where is the best place to change the clock speed? Should I hit up
> DCM0 and DCM1 in the MHS file? Change their multipliers from 1X to 2X or
> 4X
> or something? Does anyone know why the "Software Platforms Settings" menu
> has no feedback to the MHS files? IE, I make a change in the MHS file and
> the menu seems unaware. Don't answer that :D
>
> Thanks,
> Andy
>
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