{"id":2218989,"url":"http://patchwork.ozlabs.org/api/covers/2218989/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/cover/cover.1775121078.git.simona.toaca@nxp.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/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,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"","list_archive_url":null,"date":"2026-04-02T09:40:42","name":"[v3,0/6] imx9{4,5,52}: Add Quickboot support","submitter":{"id":92829,"url":"http://patchwork.ozlabs.org/api/people/92829/?format=json","name":"Simona Toaca","email":"simona.toaca@oss.nxp.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/cover/cover.1775121078.git.simona.toaca@nxp.com/mbox/","series":[{"id":498456,"url":"http://patchwork.ozlabs.org/api/series/498456/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=498456","date":"2026-04-02T09:40:42","name":"imx9{4,5,52}: Add Quickboot support","version":3,"mbox":"http://patchwork.ozlabs.org/series/498456/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2218989/comments/","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com\n header.a=rsa-sha256 header.s=selector1-NXP1-onmicrosoft-com\n header.b=ZjG78OJu;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n 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2fd4f1f0-2b18-4ad7-d233-08de909a5476","X-MS-Exchange-CrossTenant-AuthSource":"VI0PR04MB11917.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"02 Apr 2026 09:29:25.9174 (UTC)","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"686ea1d3-bc2b-4c6f-a92c-d99c5c301635","X-MS-Exchange-CrossTenant-MailboxType":"HOSTED","X-MS-Exchange-CrossTenant-UserPrincipalName":"\n dzAsEce/4pQV4n6KPCbbTOAsvPhpseXz19yHbeIzaJIH7G7Qg/Jlsq7MZZOAKCxLIi27SfK5P1SHm5uleAqdTg==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"AM7PR04MB7095","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","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":"From: Simona Toaca \n\nThis patch series adds support for saving DDR training\ndata to non-volatile memory on iMX94, iMX95 and iMX952 platforms.\nThe purpose is running DDR Quickboot flow on next reboot.\n\nThe process is as follows:\n- OEI runs Training flow for the DDRPHY\n- OEI saves the data from training to volatile memory\n- U-Boot can then save it to non-volatile memory (e.g. SD)\n- OEI loads the data from NVM at cold reboot and runs Quickboot flow\n\nBy skipping training, a much lower boot time is achieved.\n\nChanges for v3:\n- Rebased and added support for iMX952\n- Removed IMX_SNPS_DDR_PHY_QB_GEN macro, as it was not useful ->\nnow CMD_QB is enabled by default on the supported boards\n- Removed unnecessary #ifdefs -> replaced with if (CONFIG..)\n- Replaced spi_flash_probe with udevice_first_device_err to\navoid using SPI macros that needed ifdefs, since there is only\none SPI flash device available.\n- Adnotated qb methods with qb_ to be easier to see in asm dump\n- Removed explicit pointer casts from (void *)\n- Replaced custom qb_crc32 with the U-Boot one\n- Made eveything snake_case\n- Enabled SFDP support for iMX943/95, as it is necessary for\nproper erase size parsing (and is already present in iMX952 config)\n- Improved documentation - explanation about the space in bootloader\n- Added commit fixing a style issue in Kconfig\n\nChanges for v2:\n- Improved documentation to clarify the questions asked\n- Detailed log messages for all commits\n- Detailed Kconfig options for SPL_IMX_QB and CMD_IMX_QB\n- Fixed the mentioned coding style issues\n\nSimona Toaca (6):\n imx9: Add support for saving DDR training data to NVM\n arm: mach-imx: Add command to expose QB functionality\n configs: imx9{43, 5}: Enable SPI SFDP support\n board: nxp: imx9{4,5,52}_evk: Add qb save option in SPL\n doc: board: nxp: Add Quickboot documentation\n drivers: ddr: imx: Fix Kconfig for SAVED_DRAM_TIMING_BASE\n\n arch/arm/include/asm/arch-imx9/ddr.h | 48 +++-\n arch/arm/include/asm/mach-imx/qb.h | 15 ++\n arch/arm/mach-imx/Kconfig | 19 ++\n arch/arm/mach-imx/Makefile | 1 +\n arch/arm/mach-imx/cmd_qb.c | 132 ++++++++++\n arch/arm/mach-imx/imx9/Makefile | 10 +-\n arch/arm/mach-imx/imx9/qb.c | 379 +++++++++++++++++++++++++++\n arch/arm/mach-imx/imx9/scmi/soc.c | 7 +\n board/nxp/imx94_evk/spl.c | 6 +-\n board/nxp/imx952_evk/spl.c | 4 +\n board/nxp/imx95_evk/spl.c | 6 +-\n configs/imx943_evk_defconfig | 1 +\n configs/imx95_15x15_evk_defconfig | 1 +\n configs/imx95_evk.config | 1 +\n doc/board/nxp/index.rst | 1 +\n doc/board/nxp/qb.rst | 54 ++++\n drivers/ddr/imx/imx9/Kconfig | 9 +-\n 17 files changed, 688 insertions(+), 6 deletions(-)\n create mode 100644 arch/arm/include/asm/mach-imx/qb.h\n create mode 100644 arch/arm/mach-imx/cmd_qb.c\n create mode 100644 arch/arm/mach-imx/imx9/qb.c\n create mode 100644 doc/board/nxp/qb.rst"}