[U-Boot] [PATCH V2 2/2] odroid: Add boot script (boot.scr) support
Sjoerd Simons
sjoerd.simons at collabora.co.uk
Mon Oct 5 11:13:54 CEST 2015
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 at free.fr>
> Cc: Przemyslaw Marczak <p.marczak at samsung.com>
> Cc: Minkyu Kang <mk7.kang at 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.
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