MPC8360 : PCI resource allocate error

[Kumar Gala]

On Feb 2, 2007, at 11:32 PM, Russell McGuire wrote:

> Comments in line:
>
>> On Feb 2, 2007, at 10:01 AM, Russell McGuire wrote:
>>
>>> Here is the current .dts mapping, though I am beginning to  
>>> suspect the
>>> hardware or a possible U-boot bug on this.
>>>
>>> U-boot can't see the PCI USB card in SLOT 3, but it can see the all
>>> of the
>>> other various PCI cards I have <ATI video card, sound card, ATA  
>>> card,
>>> network card>
>>
>> Are any cards detected in SLOT 3 with u-boot?  If not, I'd think HW
>> as well.
>
> Yes, actually of the 6 cards I have, all are seen except the USB card.
> And the USB card is seen in all other slots. So it appears to be a  
> SLOT
> issue, but not a card issue.  Somehow this card is unique and  
> uncovering an
> error that I don't know about yet. Perhaps I have a single address  
> line
> sizzled or something. This is the same slot that has the IO resource
> allocation problems; I don't think I need to debug that in Linux.
>
> OR..
>
> Is there any PCI test code out there??? Maybe I should forego the  
> drivers,
> and figure out some kind of test. I made a blind assumption in U- 
> boot that
> if it worked to detect cards that everything was in order.

The only thing that u-boot seeing a card tests is that PCI config  
cycles are working.  It doesn't cover anything like bus mastering, or  
interrupts, etc.  (and there is still a possibility of address/data  
line problems).

- k