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GET /api/1.2/patches/2228527/?format=api
{ "id": 2228527, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2228527/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260426154724.2042569-9-dario.binacchi@amarulasolutions.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.2/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, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260426154724.2042569-9-dario.binacchi@amarulasolutions.com>", "list_archive_url": null, "date": "2026-04-26T15:47:01", "name": "[v7,8/8] board: st: stm32mp25: support dynamic A/B bank bootup", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "6670d344d333e5eaf769fc4c6a02ed3a9b19f034", "submitter": { "id": 83038, "url": "http://patchwork.ozlabs.org/api/1.2/people/83038/?format=api", "name": "Dario Binacchi", "email": "dario.binacchi@amarulasolutions.com" }, "delegate": { "id": 70413, "url": "http://patchwork.ozlabs.org/api/1.2/users/70413/?format=api", "username": "pchotard", "first_name": "Patrice", "last_name": "Chotard", "email": "patrice.chotard@st.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260426154724.2042569-9-dario.binacchi@amarulasolutions.com/mbox/", "series": [ { "id": 501546, "url": "http://patchwork.ozlabs.org/api/1.2/series/501546/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=501546", "date": "2026-04-26T15:46:53", "name": "Support metadata-driven A/B boot for STM32MP25", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/501546/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228527/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228527/checks/", "tags": {}, "related": [], "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 header.b=d8eVooye;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)", "phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=amarulasolutions.com", "phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de", "phobos.denx.de;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=amarulasolutions.com header.i=@amarulasolutions.com\n header.b=\"d8eVooye\";\n\tdkim-atps=neutral", "phobos.denx.de; dmarc=pass (p=none dis=none)\n header.from=amarulasolutions.com", "phobos.denx.de; spf=pass\n smtp.mailfrom=dario.binacchi@amarulasolutions.com" ], "Received": [ "from phobos.denx.de (phobos.denx.de [85.214.62.61])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g3WM710l9z1y2d\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 27 Apr 2026 01:48:35 +1000 (AEST)", "from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id 1B7568435C;\n\tSun, 26 Apr 2026 17:47:46 +0200 (CEST)", "by phobos.denx.de (Postfix, from userid 109)\n id 143118437C; Sun, 26 Apr 2026 17:47:43 +0200 (CEST)", "from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com\n [IPv6:2a00:1450:4864:20::42b])\n (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 1575484370\n for <u-boot@lists.denx.de>; Sun, 26 Apr 2026 17:47:41 +0200 (CEST)", "by mail-wr1-x42b.google.com with SMTP id\n ffacd0b85a97d-43d7650202fso7172723f8f.2\n for <u-boot@lists.denx.de>; Sun, 26 Apr 2026 08:47:41 -0700 (PDT)", "from dario-ThinkPad-P14s-Gen-5.amarulasolutions.com\n (host-82-56-22-134.retail.telecomitalia.it. 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<dario.binacchi@amarulasolutions.com>,\n Simon Glass <sjg@chromium.org>,\n Marek Vasut <marek.vasut+renesas@mailbox.org>,\n Patrice Chotard <patrice.chotard@foss.st.com>,\n Patrick Delaunay <patrick.delaunay@foss.st.com>,\n Quentin Schulz <quentin.schulz@cherry.de>, Tom Rini <trini@konsulko.com>,\n uboot-stm32@st-md-mailman.stormreply.com", "Subject": "[PATCH v7 8/8] board: st: stm32mp25: support dynamic A/B bank bootup", "Date": "Sun, 26 Apr 2026 17:47:01 +0200", "Message-ID": "<20260426154724.2042569-9-dario.binacchi@amarulasolutions.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260426154724.2042569-1-dario.binacchi@amarulasolutions.com>", "References": "<20260426154724.2042569-1-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\n(no changes since v5)\n\nChanges in v5:\n- Add Acked-by of Ilias Apalodimas to patch 6/8 \"fwu: add helper to get\n image GUID by type and bank index\"\n\nChanges in v4:\n- Add patch 7/8 test: dm: fwu_mdata: add test for fwu_mdata_get_image_guid\n\nChanges in v3:\n- Wrap lines exceeding 80 columns in test/cmd/part.c file.\n- Combine run_command() and ut_asserteq() -> ut_asserteq(1, run_command(\n- Add kerneldoc comment for fwu_mdata_get_image_guid() above its declaration\n in fwu.h.\n- Add log_warning() messages to fwu_platform_hook() to catch inconsistent\n FWU metadata (boot GUID found but root GUID missing or viceversa), as\n suggested by Simon Glass.\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": [ "v7", "8/8" ] }