kernel configuration on PPC

hai frnds

I have the following tasks

1) installing ELDK(embedded linux development kit) , downloading the relevant kernel and configuration

2) doing required configuration and doing target builds for PPC

3) understand the necessary changes for BSP(board support package)

4) doing the required changes

5) testing and bugfixing the kernel on target board


I had installed ELDK ,but cant find what kernel to download and configure
steps 2 , 3 ,4 ,5 are still remaining

can anyone help me how to do remaining steps?

prethanks to helper