On Thu, Jan 17, 2008 at 06:27:46PM -0600, Rune Torgersen wrote:
> BTW. there is a bug in the inbound window size calculation. The mem_log2
> variable sould be the shift value, not 1<< shift. and on the next line the
> window size mask sould be anded with 0x000f_ before or'ed with
> 0xa000_
From: Scott Wood
>Hmm... that suggests that something in u-boot's setup is either
>incorrect, or (more likely in this case) doesn't match the device tree.
Turns out u-boot was not setting u the inbound window size correctly.
It was hardcoded to 512MB and we have a gig of ram. Set it correctly,
Rune Torgersen wrote:
> >From: Scott Wood
> >Are you using cuImage, or a regular uImage with a device-tree-aware u-boot
>
> cuImage for now.
>
> >If the former, try commenting out the call to fixup_pci() in
> >arch/powerpc/boot/cuboot-pq2.c and let me know if that changes anything.
>
> Did t
>From: Scott Wood
>Are you using cuImage, or a regular uImage with a device-tree-aware u-boot
cuImage for now.
>If the former, try commenting out the call to fixup_pci() in
>arch/powerpc/boot/cuboot-pq2.c and let me know if that changes anything.
Did that, That made our PCI bus fail completely
Rune Torgersen wrote:
> Our problem is that we can only access the first 128MB of the
> prefetchable area.
> an access to 0x87ff_ works (after ioremap), while an access to
> 0x8800_ causes an bus error.
>
> trying to access 0x87FC -> 0x
> trying to access 0x8800 ->Machine
