[U-Boot] [PATCH V2 2/2] odroid: Add boot script (boot.scr) support

[Sjoerd Simons <sjoerd.simons@collabora.co.uk>]

On Mon, 2015-10-05 at 11:07 +0200, Guillaume GARDET wrote:
> Add boot script (boot.scr) support. If no boot script are 
> found, it boots as usual.

Instead of extending the specialized boot script, it would belovely to
see the odroid board switch to distro boot commands for a more
standardized boot sequence.

For reference, if you need an example how to add that while staying
backwards compatible see my patchset for am335x boards which did
something like that: 

http://lists.denx.de/pipermail/u-boot/2015-August/225656.html

> Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
> Cc: Przemyslaw Marczak <p.marczak@samsung.com>
> Cc: Minkyu Kang <mk7.kang@samsung.com>
> 
> ---
>  include/configs/odroid.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/include/configs/odroid.h b/include/configs/odroid.h
> index e45b00e..f79847b 100644
> --- a/include/configs/odroid.h
> +++ b/include/configs/odroid.h
> @@ -108,6 +108,8 @@
>   * 2.  ROOT:  -
>  */
>  #define CONFIG_EXTRA_ENV_SETTINGS \
> +	"loadbootscript=load mmc ${mmcbootdev}:${mmcbootpart}
> ${scriptaddr} " \
> +		"boot.scr\0" \
>  	"loadkernel=load mmc ${mmcbootdev}:${mmcbootpart}
> ${kerneladdr} " \
>  		"${kernelname}\0" \
>  	"loadinitrd=load mmc ${mmcbootdev}:${mmcbootpart}
> ${initrdaddr} " \
> @@ -129,6 +131,9 @@
>  	"kernel_args=" \
>  		"setenv bootargs
> root=/dev/mmcblk${mmcrootdev}p${mmcrootpart}" \
>  		" rootwait ${console} ${opts}\0" \
> +	"boot_script=" \
> +		"run loadbootscript;" \
> +		"source ${scriptaddr}\0" \
>  	"boot_fit=" \
>  		"setenv kerneladdr 0x42000000;" \
>  		"setenv kernelname Image.itb;" \
> @@ -152,6 +157,9 @@
>  		"run kernel_args;" \
>  		"bootz ${kerneladdr} ${initrd_addr} ${fdt_addr};\0"
> \
>  	"autoboot=" \
> +		"if test -e mmc 0 boot.scr; then; " \
> +			"run boot_script; " \
> +		"fi; " \
>  		"if test -e mmc 0 Image.itb; then; " \
>  			"run boot_fit;" \
>  		"elif test -e mmc 0 zImage; then; " \
> @@ -171,6 +179,7 @@
>  	"consoleoff=set console console=ram; save; reset\0" \
>  	"initrdname=uInitrd\0" \
>  	"initrdaddr=42000000\0" \
> +	"scriptaddr=0x42000000\0" \
>  	"fdtaddr=40800000\0"
>  
>  /* I2C */

-- 
Sjoerd Simons
Collabora Ltd.