[ECOS] memory map problem

[ECOS] memory map problem

[vasantha.rajan]

Hi all,

I have some doubts in memory mapping done in eCos.

We use arm excalibur board for our project.

In our project the FPGA write some data to the DPRAM and that particular data 
should be retrived by the the processor,but  the processor unable to read the 
data and in fact it does not read the correct address of the dpram.
 
we have defined the DPRAM address in excalibur .h file as
#define EXCALIBUR_DPRAM0_BASE     0x100000 
#define EXCALIBUR_DPRAM1_BASE     0x140000 


I think in our code we are not doing proper memory mapping for dpram we use 
and also we dont know how to do it and where all to make change.

plz any one can help us to come out of this problem.

Thanks in advance

vasanth


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[ECOS] Scheduler EDF in eCos

[Birahim Larou Fall]

Has anyone already ported EDF (Earliest  Deadline First) in eCos?
Thanks!
Fall Birahim


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Re: [ECOS] Memory map problem

[Jonathan Larmour]

Gary Thomas wrote:
> 
> On 14-Jun-2001 HuangQiang wrote:
> > Hi all:
> >     Could anybody give the memory map on the ARM E7T after installing the
> > Redboot on it?( BSL still in)
> 
> It seems to be mapped 1-1 (physical-logical).
> 
> The details are in the RedBoot documentation:
>   http://sources.redhat.com/ecos/docs-latest/redboot/redboot.html/e7t.html

Just a minor typo, but that should strictly be
http://sources.redhat.com/ecos/docs-latest/redboot/e7t.html

Jifl
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RE: [ECOS] Memory map problem

[Gary Thomas]

On 14-Jun-2001 HuangQiang wrote:
> Hi all:
>     Could anybody give the memory map on the ARM E7T after installing the
> Redboot on it?( BSL still in)

It seems to be mapped 1-1 (physical-logical).

The details are in the RedBoot documentation:
  http://sources.redhat.com/ecos/docs-latest/redboot/redboot.html/e7t.html

[ECOS] Memory map problem

[HuangQiang]

Hi all:
    Could anybody give the memory map on the ARM E7T after installing the
Redboot on it?( BSL still in)
Thanks a lot!

Best regards!

huang qiang