[U-Boot-Users] ramdisk image for arm kernel 2.6.10

[tharma at e-consystems.com]

I have ported the kernel image 2.6.10 amd ramdisk image . On booting the kernel 
i can't get the shell prompt .
bootargs = console=ttySA0 mem=64M root=/dev/mtdblock2 rw 
how can i get the shell prompt ?