[U-Boot] NEC OHCI chip bug

Martin Mueller martin at pfump.org
Thu Dec 16 10:46:15 CET 2010


Hi Gavin,

> > are you sure it is that NEC bug? We had a similar error message when the
> > PCI bridge was not properly setup and the OHCI could not access RAM
> > through PCI (DMA), hence the "unrecoverable error".
>
> The bus/dev/func/ number of OHCI host controller are 0/8/0 and 0/8/1, bus
> number is 0 of both devices. I think that PCI bridge need setup if the bus
> number is other than 0? Is that correct?

not sure if the PCI bus number plays a role here. In our case the PCI
window size was not set correctly so that the OHCI access to the PCI
bus/RAM was refused.

Regards,
Martin


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