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

Swapnali C. Patil swapnali.patil at intelli-vision.com
Wed Mar 4 06:35:02 CET 2009


Thanks Scott for input
Best regards
-swapnali
----- Original Message ----- 
From: "Scott Wood" <scottwood at freescale.com>
To: "Swapnali C. Patil" <swapnali.patil at intelli-vision.com>
Cc: <u-boot at lists.denx.de>
Sent: Wednesday, March 04, 2009 4:18 AM
Subject: Re: [U-Boot] Uboot NAND sub system and it's commands


> 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 



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