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

["e.stiebler" <emu@xxxxxxxxxx>]

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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