[U-Boot] problem with configuration

[pranav prakash]

Hello Sir,
I want networking support in u-boot , In beaglebone black I easily got that. But if i want the same in AM3354BZCZD80 processor I am unable to get that .while booting from SD-card it is working but i am unable to boot from network.can you tell me where and all i have to do the modification to configure network booting in AM3354BZCZD80.Or can you give me a source link which i can use .



with regards 
pranav