[U-Boot] i.mx6q PCIE

York Sun
2015-01-05T20:30:43Z

On 01/05/2015 12:27 PM, Fabio Estevam wrote:
> [Adding more folks on Cc]
>
> On Mon, Jan 5, 2015 at 3:35 PM, Ian Molton <imolton@ad-holdings.co.uk> wrote:
>> Hi folks,
>>
>> I'm attempting to bring up a custom board with an i.mx6q on it.
>>
>> I've added support for PCIe and E1000 ethernet, and the PCI bus scans,
>> showing my card (Intel i210 chip)
>>
>> The E1000 driver bombs out during init, however.
>>
>> I've tried inserting code to repeatedly read the BAR for 4k (and print a
>> ".") after bus mastering is enabled, and this manages about 70 cycles
>> before I no longer see serial output.
>>
>> if I reset the board, I may or may not get any "." printed, and
>> sometimes I get completely other characters printed (perhaps serial is
>> losing sync?).
>>
>> Anyone have any ideas ?
>
> York Sun has also reported issues with this driver:
> http://lists.denx.de/pipermail/u-boot/2014-October/190602.html
>

To clarify, the issue I had was solved by fixing the driver, commit
76f8cdb2036bf86ec7193ed13129797f0a32d13d.

York