Hi Simon,

On 2025-02-05 02:54, Simon Glass wrote:
> Move the FIT description into a template so that it can (later) be used
> in multiple places in the image.
> 
> Signed-off-by: Simon Glass <s...@chromium.org>
> ---
> 
>  arch/arm/dts/rockchip-u-boot.dtsi | 57 ++++++++++++++++++-------------
>  1 file changed, 34 insertions(+), 23 deletions(-)
> 
> diff --git a/arch/arm/dts/rockchip-u-boot.dtsi 
> b/arch/arm/dts/rockchip-u-boot.dtsi
> index da0ac078cb6..8418635ed84 100644
> --- a/arch/arm/dts/rockchip-u-boot.dtsi
> +++ b/arch/arm/dts/rockchip-u-boot.dtsi
> @@ -19,6 +19,10 @@
>  #define COMP "none"
>  #endif
>  
> +#if defined(CONFIG_SPL_FIT) && (defined(CONFIG_ARM64) || 
> defined(CONFIG_SPL_OPTEE_IMAGE))
> +#define HAS_FIT
> +#endif
> +
>  / {
>       binman: binman {
>               multiple-images;
> @@ -27,28 +31,9 @@
>  
>  #ifdef CONFIG_SPL
>  &binman {
> -     simple-bin {
> -             filename = "u-boot-rockchip.bin";
> -             pad-byte = <0xff>;
> -
> -             mkimage {
> -                     filename = "idbloader.img";
> -                     args = "-n", CONFIG_SYS_SOC, "-T", "rksd";
> -                     multiple-data-files;
> -
> -#ifdef CONFIG_ROCKCHIP_EXTERNAL_TPL
> -                     rockchip-tpl {
> -                     };
> -#elif defined(CONFIG_TPL)
> -                     u-boot-tpl {
> -                     };
> -#endif
> -                     u-boot-spl {
> -                     };
> -             };
> -
> -#if defined(CONFIG_SPL_FIT) && (defined(CONFIG_ARM64) || 
> defined(CONFIG_SPL_OPTEE_IMAGE))
> -             fit: fit {
> +#ifdef HAS_FIT
> +     common_part: template-1 {
> +                     type = "fit";
>  #ifdef CONFIG_ARM64
>                       description = "FIT image for U-Boot with bl31 (TF-A)";
>  #else
> @@ -59,7 +44,6 @@
>                       filename = "u-boot.itb";
>                       fit,external-offset = <CONFIG_FIT_EXTERNAL_OFFSET>;
>                       fit,align = <512>;
> -                     offset = <CONFIG_SPL_PAD_TO>;
>                       images {
>                               u-boot {
>                                       description = "U-Boot";
> @@ -164,6 +148,33 @@
>                                       fit,loadables;
>                               };
>                       };
> +     };
> +#endif /* HAS_FIT */
> +
> +     simple-bin {
> +             filename = "u-boot-rockchip.bin";
> +             pad-byte = <0xff>;
> +
> +             mkimage {
> +                     filename = "idbloader.img";
> +                     args = "-n", CONFIG_SYS_SOC, "-T", "rksd";
> +                     multiple-data-files;
> +
> +#ifdef CONFIG_ROCKCHIP_EXTERNAL_TPL
> +                     rockchip-tpl {
> +                     };
> +#elif defined(CONFIG_TPL)
> +                     u-boot-tpl {
> +                     };
> +#endif
> +                     u-boot-spl {
> +                     };
> +             };
> +
> +#ifdef HAS_FIT
> +             fit {
> +                     offset = <CONFIG_SPL_PAD_TO>;
> +                     insert-template = <&common_part>;
>               };
>  #else
>               u-boot-img {

This looks fine in theory, but we should probably also fix the possible
abuse of following in simple-bin-spi and rk3399-u-boot.dtsi rom images.

  fit {
        type = "blob";
        filename = "u-boot.itb";
  };

Regards,
Jonas

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