T1014 RGMII

jinghui_mou1 — Wed, 21 Nov 2018 12:50:47 GMT

hi,

we are using T1014 with EC1-RGMII as management port. In our case MAC4 is detected and BCM PHY is 1000M after AN. but ping is not sucessful even though MAC and IP is assigned .Do I miss something then. by the way ,we can use MDIO access PHY anyway.

Re: T1014 RGMII

bpe — Tue, 25 Dec 2018 11:59:13 GMT

T1014 Ethernet ports are controlled by DPAA. DPAA initialization
sequence consists of multiple steps, so it is not possible to tell what
you missed based on the information you provided. Here are some simple
diagnostic steps you can start with:

1. Turn on loopback on the problematic MAC. See T1024DPAARM,
   Section 6.4.3.1.1. If you are not able to send and receive in loopback,
   make sure EC1_GTX_CLK125 clock is active, verify the initialization
   sequence, check for errors returned by your driver and DPAA.

2. If the the MAC-level loopback works, it means DPAA and MAC are initialized
   correctly. Try setting up loopback in the PHY. Refer to your PHY
   documentation on how to do that. If the PHY-level loopback does no
   work, check the RGMII interface. Make sure the PHY data path is
   actually connected to the PHY your MDIO is talking with.

3. If all kinds of loopback work, but you still can't hear from the
   external host, diagnose the PHY and the link to the host. Consult
   at the PHY documentation or manufacturer.

Have a great day,
Platon

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