[U-Boot] [RFC PATCH] spl: Add option SPL_PAYLOAD

[York Sun]

On 06/14/2018 02:39 PM, York Sun wrote:
> Some legacy boards use RAW image for SPL boot. Add Kconfig option
> SPL_PAYLOAD to set alternative image.
> 
> Signed-off-by: York Sun <york.sun at nxp.com>
> 
> ---
> 
>  Makefile           |  4 ++--
>  common/spl/Kconfig | 10 ++++++++++
>  2 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index 6a190e7..36459f1 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1115,8 +1115,8 @@ u-boot.sha1:	u-boot.bin
>  u-boot.dis:	u-boot
>  		$(OBJDUMP) -d $< > $@
>  
> -ifdef CONFIG_TPL
> -SPL_PAYLOAD := tpl/u-boot-with-tpl.bin
> +ifneq ($(CONFIG_SPL_PAYLOAD),)
> +SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%)
>  else
>  SPL_PAYLOAD := u-boot.bin
>  endif
> diff --git a/common/spl/Kconfig b/common/spl/Kconfig
> index 1f14797..72b77d7 100644
> --- a/common/spl/Kconfig
> +++ b/common/spl/Kconfig
> @@ -552,6 +552,16 @@ config SYS_OS_BASE
>  
>  endif # SPL_OS_BOOT
>  
> +config SPL_PAYLOAD
> +	string "SPL payload"
> +	default "tpl/u-boot-with-tpl.bin" if TPL
> +	default "u-boot.bin"
> +	help
> +	  Payload for SPL boot. For backward compability, default to
> +	  u-boot.bin, i.e. RAW image without any header. In case of
> +	  TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to
> +	  use u-boot.img.
> +
>  config SPL_PCI_SUPPORT
>  	bool "Support PCI drivers"
>  	help
> 

Any comment?

York