[ECOS] Changing clock on i.MX31 from 532 to 399

krj krjaz@yahoo.com
Thu Nov 20 08:08:00 GMT 2008


It looks like my issue is solved after moving to BSP R14 from Freescale.

A simple define in hal_soc.h is that is needed for an easy transition to 399 without having to deal with 532 arm code.


--- On Wed, 11/19/08, krj <krjaz@yahoo.com> wrote:

> From: krj <krjaz@yahoo.com>
> Subject: [ECOS] Changing clock on i.MX31 from 532 to 399
> To: "eCos discuss list" <ecos-discuss@ecos.sourceware.org>
> Date: Wednesday, November 19, 2008, 5:14 PM
> Is there any information about changing the clock frequency
> on a imx31 chip set at 532 Mhz to 399 Mhz. I made several
> attempts with the following values:
> 
> write 0xFF871D50 into address 0x53F80004
>       0x00271C1B into address 0x53F80010).
> 
> i have also tried values: 0xFF871D50 0xFF871650 0xFF871550
> into 0x53F80004.
> 
> The existing macros and definitions in the freescale
> redboot distribution do not appear to work.
> 
> 
> 
>       
> 
> -- 
> Before posting, please read the FAQ:
> http://ecos.sourceware.org/fom/ecos
> and search the list archive:
> http://ecos.sourceware.org/ml/ecos-discuss


      

-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss



More information about the Ecos-discuss mailing list