[U-Boot-Users] Problems writing to memory with mw

[robert lazarski]

On Nov 20, 2007 12:47 PM, Jerry Van Baren <gerald.vanbaren at ge.com> wrote:
>
> robert lazarski wrote:
> > On Nov 20, 2007 9:54 AM, Jerry Van Baren <gerald.vanbaren at ge.com> wrote:
> >> robert lazarski wrote:
> >>> Hi all,
> >>>
> >>> I'm trying to track down problems loading a linux kernel on my custom
> >>> 8548 board off of 1.3RC3 - it loads sometimes via a ramdisk and gives
> >>> me a bash shell - but most times it crashes in unusual, different
> >>> places.
> >>>
>
> You could also try running caching disabled (start with both data and
> instruction disabled, then the other 3 combinations) - it slows the boot
> down substantially, but if it runs, it is an indication that you likely
> have a configuration problem.
>

Instruction cache disabled fixes the problem, thanks!!! I called
icache_disable() right before spd_sdram () . What does this mean? What
configuration do you think could be wrong, spd ?

Incidently, I couldn't call icache_disable() and get it to return
before or after spd_sdram ().

Robert