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GET /api/1.1/patches/2228477/?format=api
{ "id": 2228477, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228477/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260426135715.1395250-1-romain.naour@smile.fr/", "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": "<20260426135715.1395250-1-romain.naour@smile.fr>", "date": "2026-04-26T13:57:14", "name": "[1/2] configs/j721e_{beaglebone64, evm}_defconfig: reduce fastboot buffer", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d0de25110e47b77e8c26309502faa2817ebbdf3d", "submitter": { "id": 69397, "url": "http://patchwork.ozlabs.org/api/1.1/people/69397/?format=api", "name": "Romain Naour", "email": "romain.naour@smile.fr" }, "delegate": { "id": 3651, "url": "http://patchwork.ozlabs.org/api/1.1/users/3651/?format=api", "username": "trini", "first_name": "Tom", "last_name": "Rini", "email": "trini@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260426135715.1395250-1-romain.naour@smile.fr/mbox/", "series": [ { "id": 501534, "url": "http://patchwork.ozlabs.org/api/1.1/series/501534/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=501534", "date": "2026-04-26T13:57:15", "name": "[1/2] configs/j721e_{beaglebone64, evm}_defconfig: reduce fastboot buffer", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501534/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228477/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228477/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", 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"u-boot@lists.denx.de", "Cc": "nm@ti.com, robertcnelson@gmail.com, Romain Naour <romain.naour@smile.fr>", "Subject": "[PATCH 1/2] configs/j721e_{beaglebone64,\n evm}_defconfig: reduce fastboot buffer", "Date": "Sun, 26 Apr 2026 15:57:14 +0200", "Message-ID": "<20260426135715.1395250-1-romain.naour@smile.fr>", "X-Mailer": "git-send-email 2.52.0", "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": "Using Snagboot's Snagflash tool to flash the SD card using\nfastboot-uboot mode on SK-TDA4VM crash u-boot.\n\nFlashing an image.wic.xz file generated by Yocto doesn't work as\nexpected:\n\n2026-04-25 16:46:21,134 [INFO] flashed 267296768/267296768 bytes\n2026-04-25 16:46:21,162 [INFO] Flashing sparse range 10/13\n2026-04-25 16:46:21,163 [INFO] Flashing to MMC device...\n\nOn the the chunk is bigger that previous one and doesn't fit in the RAM\nmemory mapping set by the SoC (TDA4VM)\n\ndownloading of 267296768 bytes finished\nMMC write: dev # 1, block # 2101440, count 522064 ... 522064 blocks written: OK\nswitch to partitions #0, OK\nmmc1 is current device\nStarting download of 486944768 bytes\n\n\"Synchronous Abort\" handler, esr 0x96000046, far 0x9e800000\nIndeed, this memory address (0x9e800000) is \"reserved\"\n\n\"bdinfo\" allows to notice that 0x9e800000 address is actually\n\"reserved\":\n\n memory.count = 0x2\n memory[0] [0x80000000-0xffffffff], 0x80000000 bytes, flags: none\n memory[1] [0x880000000-0x8ffffffff], 0x80000000 bytes, flags: none\n reserved.count = 0x4\n reserved[0] [0x9e800000-0xa8ffffff], 0xa800000 bytes, flags: no-map\n reserved[1] [0xaa000000-0xabbfffff], 0x1c00000 bytes, flags: no-map\n reserved[2] [0xfce40b30-0xffffffff], 0x31bf4d0 bytes, flags: no-overwrite\n reserved[3] [0x8ffff7000-0x8ffffffff], 0x9000 bytes, flags: no-notify, no-overwrite\n\nCONFIG_FASTBOOT_BUF_SIZE was initialy set to 0x2F000000 in the u-boot\nconfiguration for the SK-TDA4VM.\n\nWith SYS_LOAD_ADDR set to 0x82000000, the end of the fastboot buffer is\nat 0xB1000000 and overlap the reserved region[0] and region[1].\n\nIn order to avoid writing the first reserved address (0x9e800000) we\nhave to reduce CONFIG_FASTBOOT_BUF_SIZE to 0x1c800000.\n\nOn this platfrom 0x9e800000 is reserved since it's used for optee\n(K3_OPTEE_LOAD_ADDR).\n\n(Issue initially reported on Snagboot)\n[1] https://github.com/bootlin/snagboot/issues/90\n\nSigned-off-by: Romain Naour <romain.naour@smile.fr>\n---\n configs/j721e_beagleboneai64_a72_defconfig | 2 +-\n configs/j721e_evm_a72_defconfig | 2 +-\n 2 files changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/configs/j721e_beagleboneai64_a72_defconfig b/configs/j721e_beagleboneai64_a72_defconfig\nindex dc76504eb83..abb53687ed6 100644\n--- a/configs/j721e_beagleboneai64_a72_defconfig\n+++ b/configs/j721e_beagleboneai64_a72_defconfig\n@@ -97,7 +97,7 @@ CONFIG_DMA_CHANNELS=y\n CONFIG_TI_K3_NAVSS_UDMA=y\n CONFIG_USB_FUNCTION_FASTBOOT=y\n CONFIG_FASTBOOT_BUF_ADDR=0x82000000\n-CONFIG_FASTBOOT_BUF_SIZE=0x2F000000\n+CONFIG_FASTBOOT_BUF_SIZE=0x1c800000\n CONFIG_FASTBOOT_FLASH=y\n CONFIG_FASTBOOT_FLASH_MMC_DEV=0\n CONFIG_FASTBOOT_CMD_OEM_FORMAT=y\ndiff --git a/configs/j721e_evm_a72_defconfig b/configs/j721e_evm_a72_defconfig\nindex ed94fff0885..dac1c5ec82f 100644\n--- a/configs/j721e_evm_a72_defconfig\n+++ b/configs/j721e_evm_a72_defconfig\n@@ -104,7 +104,7 @@ CONFIG_DMA_CHANNELS=y\n CONFIG_TI_K3_NAVSS_UDMA=y\n CONFIG_USB_FUNCTION_FASTBOOT=y\n CONFIG_FASTBOOT_BUF_ADDR=0x82000000\n-CONFIG_FASTBOOT_BUF_SIZE=0x2F000000\n+CONFIG_FASTBOOT_BUF_SIZE=0x1c800000\n CONFIG_FASTBOOT_FLASH=y\n CONFIG_FASTBOOT_FLASH_MMC_DEV=0\n CONFIG_FASTBOOT_CMD_OEM_FORMAT=y\n", "prefixes": [ "1/2" ] }