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Platfrom SDK RGMII AR8031 G-Ethernet Test fail

Question asked by m.c on Apr 12, 2015
Latest reply on Sep 12, 2017 by Maxim Kuk

We made an Ethernet loopback cable (1-3, 2-6, 4-7 & 5-8) according to <How to wire a ethernet loop back adaptor or cable | Malcolm's Tech Tips>, and running Platform SDK v1.1.0 output/mx6dq/obds/smart_device_rev_c/obds.bin on i.MX6Q-SDP. We running Ethernet loopback fail as below, but same board can load uImage and mount nfs as rootfs via same Ethernet port. Is there anything we can check?

 

  ---- Running < RGMII AR8031 G-Ethernet Test >

 

 

  Would you like to run the Ethernet loopback test?

    (Please note that in order to run the test, you need to

     first plug in a loopback cable to the Ethernet port.)

  Please enter y or Y to confirm.

y

ENET AR8031 PHY: ID=4dd070

enet phy status 1: 7949

AR8031 reg 0x11 = 0010

  ENET link status check failed.

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