[U-Boot] no mtdparted from U-Boot> prompt

[Bo Shen]

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.

>
> Is there a trick to add the mtdparts command?

Yes, you need to add "#define CONFIG_CMD_MTDPARTS" in

include/configs/at91sam9g20ek.h


> Or is there supposed to be a command?
>
> I unsuccessfully added to include/configs/at91sam9g20ek.h
> #define CONFIG_JFFS2_NAND 1
> #define CONFIG_JFFS2_CMDLINE 1
> #define CONFIG_CMD_JFFS2 1 // Required to include cmd_jffs2.c
> which did not result in adding the command line.
>
>
>
>
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