Booting get struck at bootlog...

[Punith]

Hi,

I am using android4.2 and linux kernel for A20 chipset.

my nand booting is done successfully.

but my sdcard booting get sruck at bootlog.

i fallowed this link to boot from sd card.

http://linux-sunxi.org/Boot_Android_from_SdCard.

For A20 booting how many partition should i have in sdcard.

Kindly suggest me.

Regards
Punith