This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Linux/DP83867IR: DP83867IR : MII loopback at u-boot in zcu102EVM, external loopback

Part Number: DP83867IR

Tool/software: Linux

Hi, 

Thanks for your help . Now I am trying for external loopback for DP83867IR. Towards this I have inserted external loopback cable and  done following settings. 

1.  write  a value 0x0140 to 0x00  ((BMCR) register

2.   Write a value 0x0010 to  0x16  (BISCR) register

3.   Write a value 0x00D3 to  0x32 (RGMIICTL) register.

But receive is not successful, it is failing everytime. 

Could you please check and let me know if I am missing something. Could you please help in this regard.

Thanks and Regards,

Jayalaxmi