From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Tue, 9 Apr 2013 15:02:44 -0300
Subject: [U-Boot] [PATCH] mx28evk: add trimffs to nand command
In-Reply-To: <1365447568-8737-1-git-send-email-eric@eukrea.com>
References: <1365447568-8737-1-git-send-email-eric@eukrea.com>
Message-ID: <516457C4.7050809@freescale.com>
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To: u-boot@lists.denx.de

Eric B?nard wrote:
> this is usefull when writing an UBI image which contains
> and UBIFS volume (check README.nand and UBI FAQ for more details)
> 
> Signed-off-by: Eric B?nard <eric@eukrea.com>
> ---
>  include/configs/mx28evk.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
> index d470b47..b22a20b 100644
> --- a/include/configs/mx28evk.h
> +++ b/include/configs/mx28evk.h
> @@ -63,6 +63,7 @@
>  #define CONFIG_CMD_USB
>  #define CONFIG_CMD_BOOTZ
>  #define CONFIG_CMD_NAND
> +#define CONFIG_CMD_NAND_TRIMFFS

You should add this into mx28evk_nand.h, available in u-boot.imx tree.