Re: [PATCH 1/2] Add support for kernel and device tree images stored in a partition

[Sascha Hauer <s.hauer@pengutronix.de>]

Hi Maxime,

On Mon, Jul 02, 2012 at 04:14:53PM +0200, Maxime Ripard wrote:
> It is a quite common setup to have a partition with all you need to boot
> from the bootloader, ie the kernel image, the device tree blob, etc.
> 
> This patch introduces a new "file" location for these two images, which
> uses in turn the *_part and the new *_part_type variable specifying the
> fs type used by mount.

That was one of the major shortcomings of the default environment and
one of the main reasons I created a new environment template. Have you
considered using it?

Sascha

> 
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> Cc: Brian Lilly <brian@crystalfontz.com>
> ---
>  defaultenv/bin/boot |   12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/defaultenv/bin/boot b/defaultenv/bin/boot
> index 61b893a..26360ed 100644
> --- a/defaultenv/bin/boot
> +++ b/defaultenv/bin/boot
> @@ -114,6 +114,12 @@ elif [ x$kernel_loc = xnand ]; then
>  	kdev="/dev/nand0.kernel.bb"
>  elif [ x$kernel_loc = xdisk ]; then
>  	kdev="/dev/$kernel_part"
> +elif [ x$kernel_loc = xfile ]; then
> +	if [ ! -d $kernel_part ]; then
> +		mkdir $kernel_part
> +		mount /dev/$kernel_part $kernel_part_type $kernel_part
> +	fi
> +	kdev="$kernel_part/$kernelimage"
>  else
>  	echo "error: set kernel_loc to one of 'tftp', 'nfs', 'nand', 'nor' or 'disk'"
>  	exit 1
> @@ -128,6 +134,12 @@ elif [ x$oftree_loc = xnand ]; then
>  	odev="/dev/nand0.oftree.bb"
>  elif [ x$oftree_loc = xdisk ]; then
>  	odev="/dev/$oftree_part"
> +elif [ x$oftree_loc = xfile ]; then
> +	if [ ! -d $oftree_part ]; then
> +		mkdir $oftree_loc
> +		mount /dev/$oftree_part $oftree_part_type $oftree_part
> +	fi
> +	odev="$oftree_part/$oftreeimage"
>  fi
>  
>  [ x$odev = x ] || bootm_opt="$bootm_opt -o $odev"
> -- 
> 1.7.9.5
> 
> 
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