problem with watchdog/reboot MPC5200

Joakim Tjernlund joakim.tjernlund at
Thu Apr 20 22:06:49 EST 2006


> -----Original Message-----
> From: 
> at ozlabs.
> org 
> [
>] On Behalf Of Arno Geissel
> Sent: 20 April 2006 13:35
> To: linuxppc-embedded at
> Subject: Re: problem with watchdog/reboot MPC5200
> Jaap-Jan,
> I'm not booting from flash. The kernel is loaded using bootp and
> the rootfs is mounted over NFS. Flash is not needed for the boot
> process at all. Fact is, that the mpc5200 watchdog timer
> does not work, if I have written something to flash while runtime of
> the system. If I have not, the reboot, which uses the watchdog,
> performs OK.
> On the other hand I would expect that the MTD package should
> know how to handle an Intel Strataflash.
> Arno

I think you need to connect your flash reset pin to the MPC reset pin so
the CPU reset will reset the flash as well.


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