Ethernet imx6DL with KSZ9021 don't work with Gigabit connections

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Ethernet imx6DL with KSZ9021 don't work with Gigabit connections

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julianooliveira
Contributor I

I have a product based on IMX6DL board, and I'm using as O.S android jellybean. I have a strange behaviour related to ethernet Gigabit connections, after a connnection of this type, my board sundley turns off, and I don't receive any message of kernel panic or segmetation fault. Some advice of how to handle this kind of problem?

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi Juliano

is it working reliably in uboot or linux . One can check i.MX6DL RGMII timings in

Table 60. RGMII Signal Switching Specifications  i.MX6SDL Datasheet  RGMII Pad Skew Registers

http://www.nxp.com/docs/en/data-sheet/IMX6SDLCEC.pdf 

and if necessary try to adjust ksz9021 RGMII Pad Skew Registers.

Best regards
igor
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