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GET /api/1.1/patches/2223616/?format=api
{ "id": 2223616, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2223616/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260415183250.3031030-8-dario.binacchi@amarulasolutions.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.1/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260415183250.3031030-8-dario.binacchi@amarulasolutions.com>", "date": "2026-04-15T18:31:34", "name": "[v3,7/7] board: st: stm32mp25: support dynamic A/B bank bootup", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "6670d344d333e5eaf769fc4c6a02ed3a9b19f034", "submitter": { "id": 83038, "url": "http://patchwork.ozlabs.org/api/1.1/people/83038/?format=api", "name": "Dario Binacchi", "email": "dario.binacchi@amarulasolutions.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260415183250.3031030-8-dario.binacchi@amarulasolutions.com/mbox/", "series": [ { "id": 500027, "url": "http://patchwork.ozlabs.org/api/1.1/series/500027/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=500027", "date": "2026-04-15T18:31:27", "name": "Support metadata-driven A/B boot for STM32MP25", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/500027/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2223616/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2223616/checks/", "tags": {}, "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=amarulasolutions.com header.i=@amarulasolutions.com\n header.a=rsa-sha256 header.s=google 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Quentin Schulz <quentin.schulz@cherry.de>, Tom Rini <trini@konsulko.com>,\n uboot-stm32@st-md-mailman.stormreply.com", "Subject": "[PATCH v3 7/7] board: st: stm32mp25: support dynamic A/B bank bootup", "Date": "Wed, 15 Apr 2026 20:31:34 +0200", "Message-ID": "<20260415183250.3031030-8-dario.binacchi@amarulasolutions.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260415183250.3031030-1-dario.binacchi@amarulasolutions.com>", "References": "<20260415183250.3031030-1-dario.binacchi@amarulasolutions.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "Enable automatic detection of the active A/B bank by retrieving\npartition GUIDs from FWU metadata.\n\nThis ensures the system correctly identifies the bootable partitions\neven in multi-bank scenarios, falling back to a standard bootable flag\nscan if the UUIDs are missing.\n\nTo enable A/B bank bootup on stm32mp25 boards, add the following Kconfig\noptions to the stm32mp25_defconfig:\n\n CONFIG_FWU_MULTI_BANK_UPDATE=y\n CONFIG_FWU_MDATA=y\n CONFIG_FWU_NUM_BANKS=2\n CONFIG_FWU_NUM_IMAGES_PER_BANK=3\n CONFIG_CMD_FWU_METADATA=y\n CONFIG_FWU_MDATA_V2=y\n\nSigned-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>\nReviewed-by: Simon Glass <sjg@chromium.org>\n\n---\n\nChanges in v3:\n- Add Reviewed-by tag of Simon Glass.\n\nChanges in v2:\n- Add links to the XBOOTLDR specification in the commit message of patch\n 1/7 lib: uuid: add partition type GUID for extended bootloader.\n- Update help for 'part start', 'part size' to mention UUID.\n- Add kerneldoc comment for fwu_mdata_get_image_guid().\n- Pass efi_guid_t by pointer in fwu_mdata_get_image_guid().\n- Add patches:\n 5/7 test: cmd: part: add UUID lookup tests\n 3/7 test: cmd: add unit tests for part command\n 2/7 test: dm: part: add test for part_get_info_by_uuid\n- Pass efi_guid_t by pointer in fwu_mdata_get_image_guid() calls.\n\n board/st/stm32mp2/stm32mp2.c | 32 +++++++++++++++++++++++++++\n include/configs/stm32mp25_st_common.h | 15 +++++++++++++\n 2 files changed, 47 insertions(+)", "diff": "diff --git a/board/st/stm32mp2/stm32mp2.c b/board/st/stm32mp2/stm32mp2.c\nindex 43bc583378e6..5cbbbc322a3a 100644\n--- a/board/st/stm32mp2/stm32mp2.c\n+++ b/board/st/stm32mp2/stm32mp2.c\n@@ -208,4 +208,36 @@ void fwu_plat_get_bootidx(uint *boot_idx)\n \t*boot_idx = (readl(TAMP_FWU_BOOT_INFO_REG) >>\n \t\t TAMP_FWU_BOOT_IDX_OFFSET) & TAMP_FWU_BOOT_IDX_MASK;\n }\n+\n+int fwu_platform_hook(struct udevice *dev, struct fwu_data *data)\n+{\n+\tuint boot_idx;\n+\tefi_guid_t boot_uuid, root_uuid;\n+\tconst efi_guid_t boot_type_guid = PARTITION_XBOOTLDR;\n+\tconst efi_guid_t root_type_guid =\n+\t\tPARTITION_LINUX_FILE_SYSTEM_DATA_GUID;\n+\tchar uuidbuf[UUID_STR_LEN + 1];\n+\tint retb, retr;\n+\n+\tfwu_plat_get_bootidx(&boot_idx);\n+\n+\tretb = fwu_mdata_get_image_guid(&boot_uuid, &boot_type_guid, boot_idx);\n+\tretr = fwu_mdata_get_image_guid(&root_uuid, &root_type_guid, boot_idx);\n+\n+\tif (!retb && !retr) {\n+\t\tuuid_bin_to_str(boot_uuid.b, uuidbuf, UUID_STR_FORMAT_GUID);\n+\t\tenv_set(\"boot_partuuid\", uuidbuf);\n+\n+\t\tuuid_bin_to_str(root_uuid.b, uuidbuf, UUID_STR_FORMAT_GUID);\n+\t\tenv_set(\"root_partuuid\", uuidbuf);\n+\t} else if (!retb && retr) {\n+\t\tlog_warning(\"%s: found boot GUID but missing root GUID (%d)\\n\",\n+\t\t\t __func__, retr);\n+\t} else if (!retr && retb) {\n+\t\tlog_warning(\"%s: found root GUID but missing boot GUID (%d)\\n\",\n+\t\t\t __func__, retb);\n+\t}\n+\n+\treturn 0;\n+}\n #endif /* CONFIG_FWU_MULTI_BANK_UPDATE */\ndiff --git a/include/configs/stm32mp25_st_common.h b/include/configs/stm32mp25_st_common.h\nindex cb679eb1be22..0b0267ae99b0 100644\n--- a/include/configs/stm32mp25_st_common.h\n+++ b/include/configs/stm32mp25_st_common.h\n@@ -8,7 +8,22 @@\n #ifndef __CONFIG_STM32MP25_ST_COMMON_H__\n #define __CONFIG_STM32MP25_ST_COMMON_H__\n \n+#ifdef CONFIG_FWU_MULTI_BANK_UPDATE\n+#define SCAN_DEV_FOR_BOOT_PARTS \\\n+\t\"setenv devplist; \" \\\n+\t\"env exists boot_partuuid && \" \\\n+\t\t\"part number ${devtype} ${devnum} ${boot_partuuid} devplist; \" \\\n+\t\"env exists devplist || \" \\\n+\t\t\"part list ${devtype} ${devnum} -bootable devplist; \"\n+\n+#define ST_STM32MP25_FWU_ENV \\\n+\t\"altbootcmd=${bootcmd}\\0\"\n+#else\n+#define ST_STM32MP25_FWU_ENV\n+#endif\n+\n #define STM32MP_BOARD_EXTRA_ENV \\\n+\tST_STM32MP25_FWU_ENV \\\n \t\"usb_pgood_delay=2000\\0\" \\\n \t\"console=ttySTM0\\0\"\n \n", "prefixes": [ "v3", "7/7" ] }