Re: [PATCH v4 2/3] rockpi4: board: Add firmware image information for capsule updates

[AKASHI Takahiro <takahiro.akashi@linaro.org>]

On Tue, Nov 08, 2022 at 12:53:27PM +0530, Sughosh Ganu wrote:
> Add information that will be needed for enabling the UEFI capsule
> update feature on the RockPi4 boards. With the feature enabled, it
> would be possible to update the idbloader and u-boot.itb images on the
> RockPi4B and RockPi4C variants.
> 
> Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
> ---
> Changes since V3: None
> 
>  arch/arm/include/asm/arch-rockchip/misc.h |  1 +
>  board/rockchip/evb_rk3399/evb-rk3399.c    | 55 ++++++++++++++++++++++-
>  include/configs/rk3399_common.h           | 16 +++++++
>  3 files changed, 71 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/include/asm/arch-rockchip/misc.h b/arch/arm/include/asm/arch-rockchip/misc.h
> index b6b03c934e..4155af8c3b 100644
> --- a/arch/arm/include/asm/arch-rockchip/misc.h
> +++ b/arch/arm/include/asm/arch-rockchip/misc.h
> @@ -11,3 +11,4 @@ int rockchip_cpuid_from_efuse(const u32 cpuid_offset,
>  			      u8 *cpuid);
>  int rockchip_cpuid_set(const u8 *cpuid, const u32 cpuid_length);
>  int rockchip_setup_macaddr(void);
> +void rockchip_capsule_update_board_setup(void);
> diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c
> index abb76585cf..769d374f86 100644
> --- a/board/rockchip/evb_rk3399/evb-rk3399.c
> +++ b/board/rockchip/evb_rk3399/evb-rk3399.c
> @@ -5,11 +5,25 @@
>  
>  #include <common.h>
>  #include <dm.h>
> +#include <efi_loader.h>
>  #include <init.h>
>  #include <log.h>
>  #include <asm/arch-rockchip/periph.h>
> +#include <linux/kernel.h>
>  #include <power/regulator.h>
>  
> +#define ROCKPI4_UPDATABLE_IMAGES	2
> +
> +#if CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT)
> +struct efi_fw_image fw_images[ROCKPI4_UPDATABLE_IMAGES] = {0};

You don't have to expose this array as you can use update_info
in your patch#1.

> +struct efi_capsule_update_info update_info = {
> +	.images = fw_images,
> +};
> +
> +u8 num_image_type_guids = ARRAY_SIZE(fw_images);

                         ->  ROCKPI4_UPDATABLE_IMAGES

I think we should put this variable in 'efi_capsule_update_info'
so that we should expose 'update_info' only.

-Takahiro Akashi

> +#endif
> +
>  #ifndef CONFIG_SPL_BUILD
>  int board_early_init_f(void)
>  {
> @@ -29,4 +43,43 @@ int board_early_init_f(void)
>  out:
>  	return 0;
>  }
> -#endif
> +
> +#if defined(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) && defined(CONFIG_EFI_PARTITION)
> +static bool board_is_rockpi_4b(void)
> +{
> +	return CONFIG_IS_ENABLED(TARGET_EVB_RK3399) &&
> +		of_machine_is_compatible("radxa,rockpi4b");
> +}
> +
> +static bool board_is_rockpi_4c(void)
> +{
> +	return CONFIG_IS_ENABLED(TARGET_EVB_RK3399) &&
> +		of_machine_is_compatible("radxa,rockpi4c");
> +}
> +
> +void rockchip_capsule_update_board_setup(void)
> +{
> +	if (board_is_rockpi_4b()) {
> +		efi_guid_t idbldr_image_type_guid =
> +			ROCKPI_4B_IDBLOADER_IMAGE_GUID;
> +		efi_guid_t uboot_image_type_guid = ROCKPI_4B_UBOOT_IMAGE_GUID;
> +
> +		guidcpy(&fw_images[0].image_type_id, &idbldr_image_type_guid);
> +		guidcpy(&fw_images[1].image_type_id, &uboot_image_type_guid);
> +
> +		fw_images[0].fw_name = u"ROCKPI4B-IDBLOADER";
> +		fw_images[1].fw_name = u"ROCKPI4B-UBOOT";
> +	} else if (board_is_rockpi_4c()) {
> +		efi_guid_t idbldr_image_type_guid =
> +			ROCKPI_4C_IDBLOADER_IMAGE_GUID;
> +		efi_guid_t uboot_image_type_guid = ROCKPI_4C_UBOOT_IMAGE_GUID;
> +
> +		guidcpy(&fw_images[0].image_type_id, &idbldr_image_type_guid);
> +		guidcpy(&fw_images[1].image_type_id, &uboot_image_type_guid);
> +
> +		fw_images[0].fw_name = u"ROCKPI4C-IDBLOADER";
> +		fw_images[1].fw_name = u"ROCKPI4C-UBOOT";
> +	}
> +}
> +#endif /* CONFIG_EFI_HAVE_CAPSULE_SUPPORT && CONFIG_EFI_PARTITION */
> +#endif /* !CONFIG_SPL_BUILD */
> diff --git a/include/configs/rk3399_common.h b/include/configs/rk3399_common.h
> index 2f9aee5819..f0a9ab8f83 100644
> --- a/include/configs/rk3399_common.h
> +++ b/include/configs/rk3399_common.h
> @@ -24,6 +24,22 @@
>  #define CONFIG_SYS_SDRAM_BASE		0
>  #define SDRAM_MAX_SIZE			0xf8000000
>  
> +#define ROCKPI_4B_IDBLOADER_IMAGE_GUID \
> +	EFI_GUID(0x02f4d760, 0xcfd5, 0x43bd, 0x8e, 0x2d, \
> +		 0xa4, 0x2a, 0xcb, 0x33, 0xc6, 0x60)
> +
> +#define ROCKPI_4B_UBOOT_IMAGE_GUID \
> +	EFI_GUID(0x4ce292da, 0x1dd8, 0x428d, 0xa1, 0xc2, \
> +		 0x77, 0x74, 0x3e, 0xf8, 0xb9, 0x6e)
> +
> +#define ROCKPI_4C_IDBLOADER_IMAGE_GUID \
> +	EFI_GUID(0xfd68510c, 0x12d3, 0x4f0a, 0xb8, 0xd3, \
> +		 0xd8, 0x79, 0xe1, 0xd3, 0xa5, 0x40)
> +
> +#define ROCKPI_4C_UBOOT_IMAGE_GUID \
> +	EFI_GUID(0xb81fb4ae, 0xe4f3, 0x471b, 0x99, 0xb4, \
> +		 0x0b, 0x3d, 0xa5, 0x49, 0xce, 0x13)
> +
>  #ifndef CONFIG_SPL_BUILD
>  
>  #define ENV_MEM_LAYOUT_SETTINGS \
> -- 
> 2.34.1
>