[PATCH] board: rpi: Enable capsule updates

[Matthias Brugger]

On 10/09/2024 08:39, Ilias Apalodimas wrote:
> Since RPI works well using EFI and has no size limitations with regards
> to U-Boot, add the needed structures and Kconfig options needed to
> enable capsule updates
> ---
>   board/raspberrypi/rpi/rpi.c | 22 ++++++++++++++++++++++
>   configs/rpi_4_defconfig     |  2 ++
>   2 files changed, 24 insertions(+)
> 
> diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
> index ab5ea85cf9f8..1f342eee12b2 100644
> --- a/board/raspberrypi/rpi/rpi.c
> +++ b/board/raspberrypi/rpi/rpi.c
> @@ -63,6 +63,28 @@ struct msg_get_clock_rate {
>   	u32 end_tag;
>   };
>   
> +struct efi_fw_image fw_images[] = {
> +	{
> +		.fw_name = u"RPI_UBOOT",
> +		.image_index = 1,
> +	},
> +};
> +
> +struct efi_capsule_update_info update_info = {
> +	.dfu_string = "mmc 0=u-boot.bin fat 0 1",
> +	.num_images = ARRAY_SIZE(fw_images),
> +	.images = fw_images,
> +};
> +
> +#if IS_ENABLED(CONFIG_SET_DFU_ALT_INFO)
> +void set_dfu_alt_info(char *interface, char *devstr)
> +{
> +	if (IS_ENABLED(CONFIG_EFI_HAVE_CAPSULE_SUPPORT))
> +		env_set("dfu_alt_info", update_info.dfu_string);
> +}
> +#endif
> +
> +
>   #ifdef CONFIG_ARM64
>   #define DTB_DIR "broadcom/"
>   #else
> diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig
> index f5fb322aa8fc..c70414e6fcaf 100644
> --- a/configs/rpi_4_defconfig
> +++ b/configs/rpi_4_defconfig
> @@ -65,3 +65,5 @@ CONFIG_SYS_WHITE_ON_BLACK=y
>   CONFIG_VIDEO_BCM2835=y
>   CONFIG_CONSOLE_SCROLL_LINES=10
>   CONFIG_PHYS_TO_BUS=y
> +CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
> +CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y

Would you mind to enable this in all corresponding configs.

That would be at least: rpi_3_b_plus_defconfig, rpi_3_defconfig, 
rpi_arm64_defconfig.

Thanks,
Matthias