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GET /api/patches/1745889/?format=api
{ "id": 1745889, "url": "http://patchwork.ozlabs.org/api/patches/1745889/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20230221201925.9644-21-pali@kernel.org/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/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": "<20230221201925.9644-21-pali@kernel.org>", "list_archive_url": null, "date": "2023-02-21T20:18:46", "name": "[RFC,u-boot-mvebu,20/59] cmd: mvebu/bubt: Add support for selecting eMMC HW partition", "commit_ref": "fc10a926ec43250914de6fd69e4258f39c79c8aa", "pull_url": null, "state": "accepted", "archived": false, "hash": "634a607938b56b609e3f1203f93c3129251304ea", "submitter": { "id": 78810, "url": "http://patchwork.ozlabs.org/api/people/78810/?format=api", "name": "Pali Rohár", "email": "pali@kernel.org" }, "delegate": { "id": 1696, "url": "http://patchwork.ozlabs.org/api/users/1696/?format=api", "username": "stroese", "first_name": "Stefan", "last_name": "Roese", "email": "sr@denx.de" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20230221201925.9644-21-pali@kernel.org/mbox/", "series": [ { "id": 343058, "url": "http://patchwork.ozlabs.org/api/series/343058/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=343058", "date": "2023-02-21T20:18:27", "name": "arm: mvebu: Various fixes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/343058/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1745889/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1745889/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 spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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Tue, 21 Feb 2023 21:22:30 +0100 (CET)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,\n DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,\n SPF_PASS autolearn=ham autolearn_force=no version=3.4.2", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n s=k20201202; t=1677010951;\n bh=VMQXZEppxTkyWmdT3mkEzefGU/WxU+nlPedoJwcU3TE=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=SP0ENlAQVxoHEojx/rr0gcjYQtDueCPA7Gp+IpiVJ97xCiaWkgcF8lgtUUoNx4pzY\n Kg3omtnw3OBuAI/sv9U95vE8VgtTJZo4UaF2f7Db4g1lOd2vmQXJu56OlvzpSwgN9q\n nAyv/XaGSNkA3Jg0tbRKWBlK43moxzob7e8y/dJZuWVQLZmhjVxPoYoqrYpKUsQeUZ\n YEgPHhLIb8h9EX2KOpSzhDc1AhhGtV5FTXXptyh6L7KJJ0qCXupWSYNDs5RnsBiR8D\n Dg5Sp2/5i0oDisLvMvU+Q+qgZKc586mSeSVN5EyQzfZ/EqD/iOSoMDoekwPzitmdYm\n bxSnl8jMFM3cQ==", "From": "=?utf-8?q?Pali_Roh=C3=A1r?= <pali@kernel.org>", "To": "u-boot@lists.denx.de", "Cc": "Stefan Roese <sr@denx.de>, Tony Dinh <mibodhi@gmail.com>,\n Josua Mayer <josua@solid-run.com>", "Subject": "[PATCH RFC u-boot-mvebu 20/59] cmd: mvebu/bubt: Add support for\n selecting eMMC HW partition", "Date": "Tue, 21 Feb 2023 21:18:46 +0100", "Message-Id": "<20230221201925.9644-21-pali@kernel.org>", "X-Mailer": "git-send-email 2.20.1", "In-Reply-To": "<20230221201925.9644-1-pali@kernel.org>", "References": "<20230221201925.9644-1-pali@kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "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 0.103.6 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "Support for burning into the correct eMMC HW boot partition was broken and\nremoved in commit 96be2f072768 (\"mvebu: bubt: Drop dead code\"). Reimplement\nthis functionality and bring it back again.\n\nFixes: 96be2f072768 (\"mvebu: bubt: Drop dead code\")\nSigned-off-by: Pali Rohár <pali@kernel.org>\n---\n cmd/mvebu/bubt.c | 53 ++++++++++++++++++++++++++++++++++++++----\n doc/mvebu/cmd/bubt.txt | 21 ++++++++++++-----\n 2 files changed, 63 insertions(+), 11 deletions(-)", "diff": "diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c\nindex 2bcdf145f64a..4bad9a69527c 100644\n--- a/cmd/mvebu/bubt.c\n+++ b/cmd/mvebu/bubt.c\n@@ -189,6 +189,11 @@ static int mmc_burn_image(size_t image_size)\n #ifdef CONFIG_BLK\n \tstruct blk_desc *blk_desc;\n #endif\n+#ifdef CONFIG_SUPPORT_EMMC_BOOT\n+\tu8\t\tpart;\n+\tu8\t\torig_part;\n+#endif\n+\n \tmmc = find_mmc_device(mmc_dev_num);\n \tif (!mmc) {\n \t\tprintf(\"No SD/MMC/eMMC card found\\n\");\n@@ -202,6 +207,38 @@ static int mmc_burn_image(size_t image_size)\n \t\treturn err;\n \t}\n \n+#ifdef CONFIG_BLK\n+\tblk_desc = mmc_get_blk_desc(mmc);\n+\tif (!blk_desc) {\n+\t\tprintf(\"Error - failed to obtain block descriptor\\n\");\n+\t\treturn -ENODEV;\n+\t}\n+#endif\n+\n+#ifdef CONFIG_SUPPORT_EMMC_BOOT\n+#ifdef CONFIG_BLK\n+\torig_part = blk_desc->hwpart;\n+#else\n+\torig_part = mmc->block_dev.hwpart;\n+#endif\n+\n+\tpart = (mmc->part_config >> 3) & PART_ACCESS_MASK;\n+\n+\tif (part == 7)\n+\t\tpart = 0;\n+\n+#ifdef CONFIG_BLK\n+\terr = blk_dselect_hwpart(blk_desc, part);\n+#else\n+\terr = mmc_switch_part(mmc, part);\n+#endif\n+\n+\tif (err) {\n+\t\tprintf(\"Error - MMC partition switch failed\\n\");\n+\t\treturn err;\n+\t}\n+#endif\n+\n \t/* SD reserves LBA-0 for MBR and boots from LBA-1,\n \t * MMC/eMMC boots from LBA-0\n \t */\n@@ -211,11 +248,6 @@ static int mmc_burn_image(size_t image_size)\n \tif (image_size % mmc->write_bl_len)\n \t\tblk_count += 1;\n \n-\tblk_desc = mmc_get_blk_desc(mmc);\n-\tif (!blk_desc) {\n-\t\tprintf(\"Error - failed to obtain block descriptor\\n\");\n-\t\treturn -ENODEV;\n-\t}\n \tblk_written = blk_dwrite(blk_desc, start_lba, blk_count,\n \t\t\t\t (void *)get_load_addr());\n #else\n@@ -227,6 +259,17 @@ static int mmc_burn_image(size_t image_size)\n \t\t\t\t\t\t start_lba, blk_count,\n \t\t\t\t\t\t (void *)get_load_addr());\n #endif /* CONFIG_BLK */\n+\n+#ifdef CONFIG_SUPPORT_EMMC_BOOT\n+#ifdef CONFIG_BLK\n+\terr = blk_dselect_hwpart(blk_desc, orig_part);\n+#else\n+\terr = mmc_switch_part(mmc, orig_part);\n+#endif\n+\tif (err)\n+\t\tprintf(\"Error - MMC failed to switch back to original partition\\n\");\n+#endif\n+\n \tif (blk_written != blk_count) {\n \t\tprintf(\"Error - written %#lx blocks\\n\", blk_written);\n \t\treturn -ENOSPC;\ndiff --git a/doc/mvebu/cmd/bubt.txt b/doc/mvebu/cmd/bubt.txt\nindex 6051243f1165..1fe1f07dd187 100644\n--- a/doc/mvebu/cmd/bubt.txt\n+++ b/doc/mvebu/cmd/bubt.txt\n@@ -14,8 +14,7 @@ Examples:\n \n Notes:\n - For the TFTP interface set serverip and ipaddr.\n-- To burn image to SD/eMMC device, the target is defined\n- by parameters CONFIG_SYS_MMC_ENV_DEV and CONFIG_SYS_MMC_ENV_PART.\n+- To burn image to SD/eMMC device, the target is defined by HW partition.\n \n Bubt command details (burn image step by-step)\n ----------------------------------------------\n@@ -40,10 +39,20 @@ Notes:\n Number 0 is used for user data partition and should not be utilized for storing\n boot images and U-Boot environment in RAW mode since it will break file system\n structures usually located here.\n- The default boot partition is BOOT0. It is selected by the following parameter:\n- CONFIG_SYS_MMC_ENV_PART=1\n- Valid values for this parameter are 1 for BOOT0 and 2 for BOOT1.\n- Please never use partition number 0 here!\n+\n+ Currently configured boot partition can be printed by command:\n+ # mmc partconf 0\n+ (search for BOOT_PARTITION_ACCESS output, number 7 is user data)\n+\n+ Change it to BOOT0:\n+ # mmc partconf 0 0 1 1\n+\n+ Change it to BOOT1:\n+ # mmc partconf 0 0 2 2\n+\n+ Change it to user data:\n+ # mmc partconf 0 0 7 0\n+\n - The partition number is ignored if the target device is SD card.\n - The boot image offset starts at block 0 for eMMC and block 1 for SD devices.\n The block 0 on SD devices is left for MBR storage.\n", "prefixes": [ "RFC", "u-boot-mvebu", "20/59" ] }