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dm8148 ksz9031 can not work on 1000M

vefone
Expert 2440 points

Hi,

TI

There is a ksz9031 in my custom dm8148 board,and I found that it can not work on 1000M.I use the kernel from ti81xxpsp_04.04.00.02 branch.The ethernet environment is OK,because the ksz9031 on my am335x board  can work on 1000M.

I had search for so long time,and I test the way on the internet,it still does not work.

I notice that maybe I should set up the RGMII Pad Skew registers on the ksz9031.What value should it be on the dm8168?

  • 0
    TI__Guru**** 170625 points

    Hi Vefone,

    vefone said:
    I notice that maybe I should set up the RGMII Pad Skew registers on the ksz9031.What value should it be on the dm8168?

    I can not understand that question. You are in DM814x forum, asking regarding KSZ9031 registers values to be set in DM816x?

    Regarding 1G ethernet issue, if you are using switch/hub/router between you board and PC, make sure this switch/hub/router support 1Gbps. Check also your PC NIC, it should also support 1Gbps. See if the below e2e threads will be in help:

    Regards,
    Pavel

  • 0 in reply to Pavel Botev
    Expert 2440 points
    Hi,
    hardware problem!

    Thank you!

    vefone