[U-Boot] U-Boot starting point

Hi all,

This is my first post here.

I am working with a board having MIPS arch. and i have a strange requirement wherein i need to initialize about 64MB of RAM with some data.

Currently i am facing problem as my board supports only 64MB RAM and i need to initialize those memory before U-Boot gets loaded. So, i am wondering how this can be done?

If i can know the exact location of the code wherein the U-Boot gets loaded into RAM i can place the initialization sequence before U-Boot gets into operation.

Expecting your reply,Thanks in advance.....