This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
Re: External SRAM on EB40a
- From: Laurent GONZALEZ <laurent dot gonzalez at silicomp dot fr>
- To: ecos-discuss at sources dot redhat dot com, Ketil Harald Ruud <ketil dot ruud at kitron dot com>
- Date: Tue, 1 Jul 2003 14:18:42 +0200
- Subject: Re: [ECOS] External SRAM on EB40a
- Organization: SILICOMP RESEARCH INSTITUTE
- References: <30F39A3939ABD611BED30008C74C8482627FA3@CONTEC01>
hi,
Check redboot's cdl option CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
On Tue, 1 Jul 2003 14:01:26 +0200
Ketil Harald Ruud <ketil.ruud@kitron.com> wrote:
>
> I have an AT91EB40A evaluation board equipped with external SRAM (SAMSUNG
> k6r4008v1c, (512Kx8bits)x2).
>
> Redboot is loaded to upper half of flash at address 0x01100000. (Redboot can
> also run from on-chip SRAM.)
>
> Can anybody tell me what kind of modification that are required to access
> the external RAM? When I try to load the hello-world application to external
> RAM, Redboot keeeps telling me that there is no RAM at address 0x2000000 and
> refuses to load.
> I have used "configtool" to generate the ecos application.
>
> Ketil
>
> --
> Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> and search the list archive: http://sources.redhat.com/ml/ecos-discuss
>
--
GONZALEZ Laurent
Silicomp Research Institute
Tel: 04 76 41 66 98
--
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss