[U-Boot] [PATCH 15/18] warp7: Make load command an environment variable

[Fabio Estevam]

Hi Bryan,

On Fri, Mar 30, 2018 at 11:18 AM, Bryan O'Donoghue
<bryan.odonoghue at linaro.org> wrote:
> This patch replaces the current "fatload" command with an environment
> variable. Making the load command into an environment variable means we can
> change filesystem type in boot.scr and reuse existing commands within that
> boot script.
>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue at linaro.org>
> ---
>  include/configs/warp7.h | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/include/configs/warp7.h b/include/configs/warp7.h
> index c957b2d..712850e 100644
> --- a/include/configs/warp7.h
> +++ b/include/configs/warp7.h
> @@ -51,12 +51,13 @@
>         "mmcargs=setenv bootargs console=${console},${baudrate} " \
>                 "root=PARTUUID=${uuid} rootwait rw\0" \
>         "warp7_auth_or_fail=hab_auth_img_or_fail ${hab_ivt_addr} ${filesize} 0;\0" \
> +       "loadcmd=fatload\0" \
>         "loadbootscript=" \
> -               "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
> +               "${loadcmd} mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
>         "bootscript=echo Running bootscript from mmc ...; " \
>                 "source\0" \
> -       "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
> -       "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
> +       "loadimage=${loadcmd} mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
> +       "loadfdt=${loadcmd} mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
>         "mmcboot=echo Booting from mmc ...; " \

This will conflict with Pierre-Jean's recent patch series that makes
use of the generic load command:

https://lists.denx.de/pipermail/u-boot/2018-March/324065.html

and

https://lists.denx.de/pipermail/u-boot/2018-March/324066.html

Would his approach work for you?