[U-Boot] U-boot hangs on imx6 pci driver

[Fabio Estevam]

Hi David,

On Wed, May 28, 2014 at 4:40 AM, "David Müller (ELSOFT AG)"
<d.mueller at elsoft.ch> wrote:
> Marek Vasut wrote:
>> Observed Results: After some hundreds of the soft-reboot cycles, the
>> i210 is not recognized. This is caused by the PCI express link
>> failing to come up. We see "link never came up" message in the kernel
>> log.
>
> Just a guest but maybe this is "errata #18" of the i210.
>
> A little bit off-topic but i'm facing the problem that Linux (kernel
> 3.14 + some patches) hangs regularly during PCIe initialisation on our
> custom iMX6 / i210 board.
>
> I use an additional delay in imx6_add_pcie_port() as a workaround so far.

How much of additional delay? Could you please share your patch?