diff options
| author | Kaustabh Chakraborty <[email protected]> | 2026-02-24 21:07:10 +0530 |
|---|---|---|
| committer | Minkyu Kang <[email protected]> | 2026-02-25 10:47:03 +0900 |
| commit | 0e61fc5364dc6b4af88b44ea2e1aa9d84c9f1ca7 (patch) | |
| tree | 5f606be1f550db286a650c3a5edf27421ce8e349 /board | |
| parent | db0fe21bd38f27f570ce16670ccad567efd596f4 (diff) | |
board: samsung: exynos-mobile: add EFI capsule update support
Add support for EFI capsule updates via U-Boot's DFU. This flashes the
boot partition with the new image provided in the capsule.
Signed-off-by: Kaustabh Chakraborty <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
Diffstat (limited to 'board')
| -rw-r--r-- | board/samsung/exynos-mobile/exynos-mobile.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/board/samsung/exynos-mobile/exynos-mobile.c b/board/samsung/exynos-mobile/exynos-mobile.c index c5e1b186ae3..6b2b1523663 100644 --- a/board/samsung/exynos-mobile/exynos-mobile.c +++ b/board/samsung/exynos-mobile/exynos-mobile.c @@ -10,6 +10,8 @@ #include <bootflow.h> #include <ctype.h> #include <dm/ofnode.h> +#include <efi.h> +#include <efi_loader.h> #include <env.h> #include <errno.h> #include <init.h> @@ -24,6 +26,19 @@ DECLARE_GLOBAL_DATA_PTR; #define lmb_alloc(size, addr) \ lmb_alloc_mem(LMB_MEM_ALLOC_ANY, SZ_2M, addr, size, LMB_NONE) +struct efi_fw_image fw_images[] = { + { + .fw_name = u"UBOOT_BOOT_PARTITION", + .image_index = 1, + }, +}; + +struct efi_capsule_update_info update_info = { + .dfu_string = NULL, + .images = fw_images, + .num_images = ARRAY_SIZE(fw_images), +}; + /* * The memory mapping includes all DRAM banks, along with the * peripheral block, and a sentinel at the end. This is filled in @@ -191,6 +206,7 @@ static int exynos_blk_env_setup(void) struct blk_desc *blk_desc; struct disk_partition info = {0}; unsigned long largest_part_start = 0, largest_part_size = 0; + static char dfu_string[32]; int i; blk_ifname = "mmc"; @@ -204,6 +220,14 @@ static int exynos_blk_env_setup(void) if (part_get_info(blk_desc, i, &info)) continue; + if (!update_info.dfu_string && + !strncasecmp(info.name, "boot", strlen("boot"))) { + snprintf(dfu_string, sizeof(dfu_string), + "mmc %d=u-boot.bin part %d %d", blk_dev, + blk_dev, i); + update_info.dfu_string = dfu_string; + } + if (info.start > largest_part_size) { largest_part_start = info.start; largest_part_size = info.size; |