[PATCH 7/8] board: sl28: add ATF support (bl31)

[Michal Simek]

On 16. 11. 20 22:47, Michael Walle wrote:
> Add support to load the bl31 part of the ARM Trusted Firmware by the
> SPL.
> 
> Signed-off-by: Michael Walle <michael at walle.cc>
> ---
>  .../dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi  | 41 +++++++++++++-
>  board/kontron/sl28/Kconfig                    | 10 ++++
>  board/kontron/sl28/Makefile                   |  6 ++-
>  board/kontron/sl28/spl_atf.c                  | 54 +++++++++++++++++++
>  4 files changed, 109 insertions(+), 2 deletions(-)
>  create mode 100644 board/kontron/sl28/spl_atf.c
> 
> diff --git a/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi b/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
> index 2375549c6e..4b97e9d388 100644
> --- a/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
> +++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
> @@ -16,7 +16,7 @@
>  		ethernet3 = &enetc6;
>  	};
>  
> -	binman {
> +	binman: binman {
>  		filename = "u-boot.rom";
>  		pad-byte = <0xff>;
>  
> @@ -102,6 +102,45 @@
>  	};
>  };
>  
> +#ifdef CONFIG_SL28_SPL_LOADS_ATF_BL31
> +&binman {
> +	fit {
> +		images {
> +			bl31 {
> +				description = "ARM Trusted Firmware (bl31)";
> +				type = "firmware";
> +				arch = "arm";
> +				os = "arm-trusted-firmware";
> +				compression = "none";
> +				load = <CONFIG_SL28_BL31_ENTRY_ADDR>;
> +				entry = <CONFIG_SL28_BL31_ENTRY_ADDR>;
> +
> +				blob-ext {
> +					filename = "bl31.bin";
> +				};
> +			};
> +		};
> +
> +		configurations {
> +			conf-1 {
> +				firmware = "bl31";
> +				loadables = "uboot", "bl31";
> +			};
> +
> +			conf-2 {
> +				firmware = "bl31";
> +				loadables = "uboot", "bl31";
> +			};
> +
> +			conf-3 {
> +				firmware = "bl31";
> +				loadables = "uboot", "bl31";
> +			};

Why do you need 3 the same configurations here?

M