{"id":2228477,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2228477/?format=json","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=json","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=json","name":"Romain Naour","email":"romain.naour@smile.fr"},"delegate":{"id":3651,"url":"http://patchwork.ozlabs.org/api/1.1/users/3651/?format=json","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=json","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":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=smile.fr header.i=@smile.fr header.a=rsa-sha256\n header.s=google header.b=NZPvjFdw;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=fail (p=reject dis=none) header.from=smile.fr","phobos.denx.de;\n spf=pass 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","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","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 \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"]}