[U-Boot] i.mx6q PCIE

Fabio Estevam festevam at gmail.com
Mon Jan 5 21:27:09 CET 2015


[Adding more folks on Cc]

On Mon, Jan 5, 2015 at 3:35 PM, Ian Molton <imolton at 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


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