[U-Boot] After many resets, MPC8548 hangs when relocate code to RAM

[Werner Nedel]

The time that the sequencer power source stays the HRESET down is
configurable, as the time waiting to rise up.

On Tue, Aug 25, 2009 at 11:14 AM, Werner Nedel <wmnedel at gmail.com> wrote:

> Hi,
>
> I'm having a big problem with my board reset that it's very similar to
> MPC8548CDS. I've been using for a long time a reset just in MPC8548 core,
> using DBCR0 register. But after many resets, my u-boot crash when try to
> relocate code to ram, and I can't debug it with BDI.
>
> I saw the MPC8548 erratas and GEN14 errata advice to use the HRESET. So I
> tried using a sequencer power source that could solve my problem.
>
> As the core reset, this approach works fine for a while, but after many
> resets, it hangs in the same point.
>
> I'd review my ddr configurations, tlbs, laws and I'm really stuck at this
> time.
>
> Any suggestion of where my problem resides?
>
> Thanks a lot,
>
> Nedel, Werner.
>