I hava a pi2 board and download the linux sdk .
How to compile the kernel and system img for pi2 with the sdk ?

Can anyone help or some docs/WIKI ?

should I  use the config file :   sun8iw7p1smp_defconfig for Pi 2 or something else  ？

ths for sharing http://linux-sunxi.org/H3_Manual_build_howto

I find this ： http://www.orangepi.org/orangepi ... p;extra=&page=2 ，may help...