Re: [microblaze-uclinux] Boot Problem

[Torin Ford <torin@xxxxxxxxxxxx>]

On Mon, 2009-08-31 at 18:39 +0200, hoefle marco wrote:
> On Wed, 2009-08-26 at 13:08 -0600, Torin Ford wrote:
> > I have a boot problem.  I remember seeing someone else mail about it
> > recently but can't seem to find the messages in the archive.  The
> > problem is this - Boot up the system, a first stage boot loader loads
> > u-boot into RAM, then jumps to it.  u-boot runs, and sees that there is
> > an autoboot image available, so it loads that image and jumps to it.
> > The image is a linux kernel image and outputs:
> > 
> > #### klimit 8c1fa000 ####
> > Moving 0x000e4000 bytes from 0x8c1e208c to 0x8c1f98f0
> > New klimit: 0x8c2de000
> > 
> > At this point, it appears to reset, as the first stage boot loader runs.
> > Could the flash partition ordering and the absence of the "config" and
> > "spare" partitions cause this?
> 
> Hello Torin,
> I have the same problem as you. I thought it might be related to the mmu
> configuration. Did you solve it in the meanwhile?
> Thanks,
> Marco
> 
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> 

Marco,
   It does appear that I have fixed the issue.  I can assure you that it
is not related to the MMU, as I do not use one.  I however cannot say
exactly what fixed the problem for me.  At the time that I was having
the problem, I was also having boot loader issues (e.g. like not being
able to fix into BRAM).  I had tried modifying several things in the
FPGA related code (e.g. cache sizes etc) and nothing seemed to work.  So
I went back to my original FPGA project code and started with a brand
new boot loader.  I made sure it was tiny and low and behold everything
now works.  Sorry I can't be of more assistance.

Torin Ford
Software Engineer
nextScan, Inc.
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