From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?=22David_M=FCller_=28ELSOFT_AG=29=22?= <d.mueller@elsoft.ch>
Date: Wed, 28 May 2014 09:40:56 +0200
Subject: [U-Boot] U-boot hangs on imx6 pci driver
In-Reply-To: <201405271656.31939.marex@denx.de>
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	<5384A47C.7010107@elsoft.ch> <201405271656.31939.marex@denx.de>
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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.


Dave