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tms570lc43x with dp83640 ethernet working

hi all..

here i am using TMS570LX43X HDK development board.i used launchpad ethernet code with tms570.but it is not working properly on hdk development board.i had made all configurations according to launchpadxl2-tms570 .im getting error on terminal like

HERCULES MICROCONTROLLERS
Texas Instruments
Little Endian device
Initializing ethernet (DHCP)
        DEBUG - Getting PHY ID....!!! ERROR !!!
        DEBUG - Getting PHY Alive Status...SUCCESS
        DEBUG - Getting PHY Link Status...!!! ERROR !!!..DONE

here my question is what are the configurations i need to make for working of ethernet with tms570 hdk.please do reply.

thank you..

trusty..