From mboxrd@z Thu Jan  1 00:00:00 1970
From: johns at msli.com <johns@msli.com>
Date: Fri, 21 Dec 2012 10:29:41 -0800
Subject: [U-Boot] no mtdparted from U-Boot> prompt
In-Reply-To: <50D43318.8090904@atmel.com>
References: <1356047588.28896.58.camel@genx>  <50D43318.8090904@atmel.com>
Message-ID: <1356114581.28896.89.camel@genx>
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To: u-boot@lists.denx.de

On Fri, 2012-12-21 at 17:59 +0800, Bo Shen wrote:
> Hi Johns,
> 
> On 12/21/2012 07:53 AM, johns at msli.com wrote:
> > This is my first post to the list.
> > I am using u-boot-1.3.4 in buildroot-2011.11
> > My device is a at91sam9g20-ek
> > I have a patch adding: include/configs/at91sam9g20ek.h
> > which I gather acts as a config file for u-boot.
> >
> > U-Boot>  help
> > does not list mtdparts
> >
> > But my bootargs does use it:
> > bootargs=mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2
> 
> This mtdparts is defined for Linux kernel NAND driver.

I had the impression there was also an interactive command-line tool for
mtdparts, from the u-boot prompt.

> >
> > Is there a trick to add the mtdparts command?
> 
> Yes, you need to add "#define CONFIG_CMD_MTDPARTS" in
> 
I added this to include/configs/at91sam9g20ek.h

Now it contains:
#define CONFIG_JFFS2_NAND 1
#define CONFIG_JFFS2_CMDLINE 1
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_MTDPARTS"



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