RE: [microblaze-uclinux] Avnet XCS2000 S3 boot complete

["Errol Terblanche" <rince@xxxxxxxxxxx>]

Hi everybody,

Ok, there is in fact something strange with MB 4.00. But I don't know yet if
it is the hardware multiplier or MB itself.

I have confirmed that the 32KB cache problem does go away just by switching
my design back to MB 3.00, without even recompiling the kernel.

Also, although I got MB 4.00 to boot up(by removing the 32KB cache), it was
unable to mount root while the same image runs AND mounts root just fine on
MB 3.00. I don't know yet what MB 4.00 does wrong in the mount phase.

John, you tested MB 4.00. Are you sure that you downloaded the MB 4.00 FPGA
config to the board? It seems that the version in /proc/cpuinfo gets
compiled in and doesn't represent the actual running MB version. Only reason
why I'm asking is that I have gotten confused with my board a few times,
although I am a bit of a scatter brain...

I can't believe how easy it is to get uClinux up and running on the MB 3.00.
I thought all the trouble I've been having the last month and a half was my
fault... :-)

Thanx,
Errol


-----Original Message-----
From: owner-microblaze-uclinux@itee.uq.edu.au
[mailto:owner-microblaze-uclinux@itee.uq.edu.au] On Behalf Of John Williams
Sent: Tuesday, June 28, 2005 2:01 AM
To: microblaze-uclinux@itee.uq.edu.au
Subject: Re: [microblaze-uclinux] Avnet XCS2000 S3 boot complete

Hi Errol, Alejandro,

Errol Terblanche wrote:

> I have yet to confirm if this is a problem on my side, or in MB 4.00. For
> some reason it tries to create a 4GB cache instead of the 32KB, all other
> caches creates fine...

Hmm that's pretty strange...  I'm seeing some problems trying to get the 
EDK7.1 gcc-3.4.x compiler to build kernels - and have seen issues that 
sound a bit like this.

Alejandro's points about the interrupt behaviour are also sounding 
familiar.  I am trying to get some time to sit and work through this, 
but I'm really happy that you guys are looking into it - please keep 
reporting your findings here!

Thanks,

John
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