AMCC PPC460EX Canyonlands does not see PCIe end point with only non-prefetchable memory (both and -next)

Leon Woestenberg leon.woestenberg at
Fri Nov 28 21:54:18 EST 2008

Hello all,

On Wed, Nov 26, 2008 at 7:26 PM, Leon Woestenberg
<leon.woestenberg at> wrote:
> On Wed, Nov 26, 2008 at 4:25 PM, Leon Woestenberg
> <leon.woestenberg at> wrote:
>> The non-detected end point boot:
>> pci 0001:80:00.0: scanning behind bridge, config bf8180, pass 0
>> PCI: Scanning bus 0001:81
>> PCI: Fixups for bus 0001:81

Progress on this issue:

I found out that re-programming the end point FPGA again *just* after
*uboot* read it, and before Linux kernel has started, makes the end
point appear properly.

Either u-boot leaves the end point in bad state, or the root complex
reset also requires an end point reset. (or a third option I could not
think of yet).

I'll pick this up on ppc and u-boot mailing list with new info,
especially with the ppc4xx maintainers.

Consider this thread closed.

Thanks for ignoring my ranting :-)


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