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RE: Changing IXP425 core clock speed
- From: Vanitha Ramaswami <vanitha at agilis dot stengg dot com>
- To: 'David Vrabel' <dvrabel at arcom dot com>, "ecos-discuss at ecos dot sourceware dot org"<ecos-discuss at ecos dot sourceware dot org>, "'annem_supreeth at yahoo dot co dot uk'"<annem_supreeth at yahoo dot co dot uk>
- Date: Fri, 8 Jul 2005 16:56:02 -0000
- Subject: RE: [ECOS] Changing IXP425 core clock speed
- Reply-to: "vanitha at agilis dot stengg dot com" <vanitha at agilis dot stengg dot com>
Hello,
Thanks for your reply. Is it possible to test this by changing some
resistors in the hardware..?./Do i still need to modify redboot..There will
not be any changes to the linux kernel that i am running right..?
Thanks
Vanitha
On Friday, July 08, 2005 4:31 PM, David Vrabel [SMTP:dvrabel@arcom.com]
wrote:
> Vanitha Ramaswami wrote:
> >
> > I need to reduce the core clock speed of ixp425 to 266 MHz. can any-one
> > point to me in redboot how do i modify the IXP425_EXP_CNFG0 register..?
>
> The clock speed must be pin-strapped at reset and can't be run-time
> modified.
>
> David Vrabel
> --
> David Vrabel, Design Engineer
>
> Arcom, Clifton Road Tel: +44 (0)1223 411200 ext. 3233
> Cambridge CB1 7EA, UK Web: http://www.arcom.com/
>
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