[U-Boot] [PATCH] ppc4xx: AMCC PPC460GT/EX PCI-E de-emphasis adjustment fix

[Stefan Roese]

Hi Marri,

On Friday 22 August 2008, Tirumala Reddy Marri wrote:
>   There were silent corruptions I noticed during a RAID-5 test using
> silicon image card. Then I hooked up a analyzer and found that eye
> diagram was not wide enough. After  reducing the de-emphasis value I
> noticed better eye diagram. Also I ran 72 hour test which was successful
> to see if there are any corruptions .

Did you run this on a Canyonlands? If yes, which PCIe slot did you use?

>    Even though these de-emphasis values are only applicable to Linux. I
> wanted to make sure both Linux and u-boot are in sync.

Yes, makes perfect sense. I'll push this into my repository later.

Thanks.

Best regards,
Stefan

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