Re: Reboot without reset

[Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>]

On Wed, Aug 02, 2006 at 04:00:20PM +0200, Michael Opdenacker wrote:
> Hi Marc-Andr?,
> 
> Marc-Andr? H?bert wrote:
> >We have a board here running on a pxa255 where we would want to perform a
> >reset (we usually do a hardware reset) except in one case we found out that
> >we would not want the gpios to reset. Would it be possible from within the
> >kernel to do this? It's not pretty but it might be the only way around it
> >without a hardware revision.
>
> Did you try the kexec system call?
> See http://free-electrons.com/kerneldoc/latest/kdump/kdump.txt (from 
> kernel documentation).

Or use a soft reboot.  Pass reboot=soft on the kernel command line.
Provided your reset handler supports it (which the PXA one does).

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