SJA1110 mac to mac

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SJA1110 mac to mac

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zhizhao1
Contributor I

We are trying to connect port 2 of the SJA1110 to an SOC over RGMII. 

SOC device tree:

&ethernet1 {
status = "ok";
pinctrl-0 = <&eth1_func>;
phy-mode = "rgmii";
fixed-link {
speed = <1000>;
full-duplex;
};
};

 

SJA1110 port configuration:

 

image.png

The SOC can receive network packets but cannot send them.

What is the problem with the settings?

image.png

 

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abdullahzafar
NXP Employee
NXP Employee

Hi zhizhao1,

This effect usually occurs due to the clock delay not set correctly in one direction. That is the first thing that needs to be checked. I see that you are using SDK, please have a look at the snippet.

Capture.JPG

BR, 

Abdullah

 

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