[PATCH u-boot-mvebu v2 34/41] SPL: Add support for parsing board / BootROM specific image types

[Stefan Roese]

On 19.07.21 14:20, Marek Behún wrote:
> From: Pali Rohár <pali at kernel.org>
> 
> Platform specific BootROM may use its own image type for loading SPL or
> main U-Boot binary. In some cases it makes sense to not use BootROM
> supplied code for booting main U-Boot binary but rather to use U-Boot SPL
> to load main U-Boot binary, e.g. when U-Boot SPL can load main U-Boot
> binary faster than BootROM. In this case it is required for platform board
> code to parse and load U-Boot in BootROM specific image type.
> 
> This change adds support for parsing platform / board / BootROM specific
> image types via weak function spl_parse_board_header() which is called
> before marking boot image as a raw.
> 
> Signed-off-by: Pali Rohár <pali at kernel.org>
> Reviewed-by: Marek Behún <marek.behun at nic.cz>

Reviewed-by: Stefan Roese <sr at denx.de>

Thanks,
Stefan

> ---
>   common/spl/spl.c | 9 +++++++++
>   1 file changed, 9 insertions(+)
> 
> diff --git a/common/spl/spl.c b/common/spl/spl.c
> index eba77cace6..555045eaf2 100644
> --- a/common/spl/spl.c
> +++ b/common/spl/spl.c
> @@ -296,6 +296,12 @@ static int spl_load_fit_image(struct spl_image_info *spl_image,
>   }
>   #endif
>   
> +__weak int spl_parse_board_header(struct spl_image_info *spl_image,
> +				  const void *image_header, size_t size)
> +{
> +	return -EINVAL;
> +}
> +
>   __weak int spl_parse_legacy_header(struct spl_image_info *spl_image,
>   				   const struct image_header *header)
>   {
> @@ -348,6 +354,9 @@ int spl_parse_image_header(struct spl_image_info *spl_image,
>   		}
>   #endif
>   
> +		if (!spl_parse_board_header(spl_image, (const void *)header, sizeof(*header)))
> +			return 0;
> +
>   #ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
>   		/* Signature not found - assume u-boot.bin */
>   		debug("mkimage signature not found - ih_magic = %x\n",
> 


Viele Grüße,
Stefan

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de