Re: [microblaze-uclinux] Spartan 3E500 kits, REV C and REV D

["Stephane Rousseau" <stephaner@xxxxxxxxx>]

Hi,

I had the same problem, changing the jumper to  (M2:M1:M0) = 0:1:0
corrected the problem.

The first stage is stored in BRAM so it work correctly. It's seems
there is a conflict between the Flash and the DDR.

Stephane

On 6/20/07, e.stiebler <emu@xxxxxxxxxx> wrote:
> Jens Ravn Alsig wrote:
> > Hi,
> >
> > What do you mean be "boot anything"?
>
> I can boot the "first stage loader" which comes via JTAG.
> If I download U-Boot or linux kernel, the loader says the the download
> was OK, but nothing else happens.
> I think, the u-boot prints as first message that the SDRAM is OK, that's
> why I'm thinking that soemthing is wrong with the SDRAM ...
>
> > I also have a rev d kit and had some problems with downloading via jtag.
>
> Did you change anything ?
> Are you using any of the "prebuilt" downloads from the last petalogix
> distribution ?
>  The
> > download seemed ok but when I tried to execute the program failed.
>
> "somehow" the same behavior ;-0
>
> > I fixed the problem by justing the configuration jumpers.
> > They should be (M2:M1:M0) = 0:1:0
>
> My JTAG is OK ...
>
> Cheers
> >
> > /Jens
> >
> >
> >
> > On Tue Jun 19 23:30 , 'e.stiebler' <emu@xxxxxxxxxx> sent:
> >
> >> Hi all,
> >> as it seems I'm the first one who has one of the REV D kits here ...
> >>
> >> The REV D has 64 MBytes of SDRAM instead of the 32 MBytes on the REV C.
> >>
> >> Hopefully that the reason, I can't boot anything but the first stage on
> >> my board. I already found some occurrences of the SDRAM 16Mx16 IP, and
> >> changed it to SDRAM_32Mx16 already, but it seems I didn't catch all of
> >> them. BTW, it seems that it is the same DDR SDRAM as on the
> >> Spartan3e1600 board.
> >>
> >> Cheers
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> >>
> >> )
> >
> >
> >
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> >
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> >
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