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Re: Changing clock on i.MX31 from 532 to 399
- From: krj <krjaz at yahoo dot com>
- To: eCos discuss list <ecos-discuss at ecos dot sourceware dot org>
- Date: Wed, 19 Nov 2008 17:57:40 -0800 (PST)
- Subject: Re: [ECOS] Changing clock on i.MX31 from 532 to 399
- Reply-to: krjaz at yahoo dot com
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.
>
>
>
>
>
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