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Adventurer
Adventurer
202 Views
Registered: ‎08-15-2017

it is essential to initialize the phy chip or not? where the axi_ethernet ip core initialize the phy chip?

it is essential  to initialize the phy chip or not? where the  axi_ethernet ip core   initialize the phy chip?

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3 Replies
Moderator
Moderator
115 Views
Registered: ‎08-25-2009

Re: it is essential to initialize the phy chip or not? where the axi_ethernet ip core initialize the phy chip?

Hi @microchip_zhang ,

The PHY initialization is normally done in the source codes. I'd recommend to look at SDK LWIP example designs and run the application on one of our evaluation boards. Here is also an AR to use LWIP when the PHY is not supported out-of-box:

https://www.xilinx.com/support/answers/63495.html

 

 

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Scholar dpaul24
Scholar
113 Views
Registered: ‎08-07-2014

Re: it is essential to initialize the phy chip or not? where the axi_ethernet ip core initialize the phy chip?

@microchip_zhang,

It depends on what you want to implement in the PHY layer. If the default config of the PHY chip are acceptable to your design then you don't change else you should.

An Ethernet MAC can configure PHY chips over the MDIO/MDC interface. A simple state machine can do that before you rx or tx frames using the PHY.

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Adventurer
Adventurer
68 Views
Registered: ‎08-15-2017

Re: it is essential to initialize the phy chip or not? where the axi_ethernet ip core initialize the phy chip?

thanks to all of you

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