On Friday 01 October 2010 16:37:55 ame wrote:
> > void reset_4xx_watchdog(void)
> > {
> >
> > /*
> >
> > * Clear TSR(WIS) bit
> > */
> >
> > mtspr(SPRN_TSR, 0x40000000);
> >
> > }
> > ...
> >
> > Definitely upper-case here.
>
> Ok, confirmed the new one has it in there. sorry about that. The logic
> is the same as the one that is in the old code though.
Sure.
> > > Any thoughts or help are appreciated. I did notice the comments in
> > > cpu-init.c that my tcr is setup with 0xF0000000, I *think* this is
> > > actually 10s on a 800MHz board. Not sure where the 2.684 numbers
> > > originates as stated in the comments. I also changed the acknowledge of
> > > the watchdog to the following, though neither my changes nor the
> > > original have any effect. I've also verified that the code is getting
> > > included and built. Not sure what to try next.
> >
> > Note that you need to enable the watchdog support in the Linux kernel as
> > well. Otherwise Linux will of course reset once the watchdog timer times
> > out. Did you enable the book-e watchdog timer in Linux?
>
> Yes, that is enabled. But from the looks of the boot trace up above, am I
> correct in saying that it never even made it to Linux? Isn't u-boot still
> in control at the point that it loads the ramdisk into ram?
Sure, while loading/copying the ramdisk control is still under U-Boot. But
from your first email I read:
> The last message
> I see is ...
>
> Verifying Checksum ... OK
>
> ## Flattened Device Tree blob at ff3e0000
>
> Booting using the fdt blob at 0xff3e0000
> Uncompressing Kernel Image ... OK
> Loading Device Tree to 007fa000, end 007ffd2f ... OK
> Loading Ramdisk to 1ec58000, end 1efffc0c ... OK
So the ramdisk is already copied. Or do I miss something here? Please check
the code (add some printf's etc) to see if you are still in U-Boot or not.
Cheers,
Stefan
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