[U-Boot] Uboot NAND sub system and it's commands

[Scott Wood]

On Mon, Mar 02, 2009 at 08:36:03PM +0530, Swapnali C. Patil wrote:
> Hello All,
> I am using DM6446 (TI DaVinci) customized board. 
> 1. I am not able to understand meaning of NAND Sub system U boot commands, e.g. nand write, nand read, nand erase etc. 

"write", "read", and "erase" are fairly straightforward English words. 
Is there some particular aspect you find confusing?

> 2. I want to use the NAND sub system U boot command in Linux (ARM side
> of DM6446 core), is it possible ? may be some utiliy to export these
> commands

No.  U-boot does not remain active once Linux boots.

> or some paralle command which have similar functionality (such as
> writting on specific location of RAM (87000000) from nand(0X1000000)).?

See nandwrite in the mtd-utils package.

-Scott