how to use head_fsl_booke.S:abort to restart

[Philippe De Muyter]

Hi Haiying,

On Tue, Mar 25, 2008 at 12:34:55PM -0400, Haiying Wang wrote:
> 8540 doesn't have RSTCR register. You should not use fsl_rstcr_restart
> for reboot your 8540 board.
> 
That's what I was thinking also (see my Post-Scriptum below), but current
linux/powerpc sources use fsl_rstcr_restart for the mpc8540_ads board :( 

Philippe

> On Tue, 2008-03-25 at 17:15 +0100, Philippe De Muyter wrote:
> > Hi all,
> > 
> > I have a mpc8540 board that could reboot when driven by a ARCH=ppc linux,
> > but that hangs now in arch/powerpc/sysdev/fsl_soc.c:fsl_rstcr_restart when
> > asked to reboot with a ARCH=powerpc linux.
> > 
> > I have found that if I call arch/powerpc/kernel/head_fsl_booke.S:abort from
> > there, my board reboots correctly, but I feel that's not the right place
> > to put that call.  Where/how should I do that ?
> > 
> > Philippe
> > 
> > PS : Does arch/powerpc/sysdev/fsl_soc.c:fsl_rstcr_restart actually work
> > for mpc8540_ads boards ?