~~NOCACHE~~ ====== Entry Page ====== ===== Product URL list ===== [[https://www.tq-group.com/en/products/tq-embedded/arm-architecture/tqma8mxnl/|TQ product page TQMa8MxNL]]\\ ===== Board Support Packages ===== * [[en:arm:tqma8mxnl:linux:yocto:overview| YOCTO Linux BSP Documentation]] ===== Third-Party Add-Ons ===== * [[:en:third-party:ittia:db-sql|ITTIA DB SQL]] * [[:en:third-party:systemcorp:iec61850|SystemCORP IEC 61850]] * [[:en:third-party:netmodule:iec62439|NetModule IEC 62439]] ===== Starterkit ===== * [[en:arm:tqma8mxnl:mba8mx:dip_switches| MBa8Mx DIP switch settings]] ====== Hardware ====== ===== Debug Connection ===== The TQMa8MxNL debug UART is connected via a Silicon Labs USB-to-Serial converter to X16 (micro-USB) on the MBa8Mx. A micro-USB/USB-A cable is part of the STKa8MxNL accessory set. Depending on the host operating system, driver may need to be installed. ===== Onboard I2C devices ===== ^ I2C bus ^ TQMa8MxNL ^^^^^^^^^^ ^ I2C1 | 0x1B\\ Temp Sensor | 0x25\\ PMIC | 0x33\\ Temp Sensor\\ EEPROM\\ Protection Command | 0x48 \\ Plug & Trust Secure element\\ (optional) | 0x51\\ RTC\\ (optional) | 0x53\\ Temp Sensor EEPROM | 0x57\\ EEPROM | ||| ^ I2C bus ^ MBa8Mx ^^^^^ ^ I2C1 | 0x11\\ System Controller | 0x24\\ Port Expander | 0x27\\ Port Expander | ||| ^ I2C2 | 0x18\\ Audio Codec | 0x37\\ Temp Sensor\\ EEPROM\\ Protection Command | 0x44\\ USB Hub | 0x57\\ Temp Sensor\\ EEPROM | 0x68\\ PCIe Clock Generator | 0x1F\\ Temp Sensor | ^ I2C3 | 0x5A\\ MIPI-DSI / LVDS Bridge | also available at\\ Mini PCIe (X28), Mikro Bus (X20 / X21), PCIe (X36), MIPI-CSI (31) ||||| ====== Hardware Issues ====== ====== Linux BSP ====== ===== U-Boot ===== ^ Feature ^^^^ TQMa8.BSP Revision ^ Remarks ^ ^ TQ Product ^ Chip ^ Interface ^ Function ^ 0081 - 0091 ^ | TQMa8MxNL | i.MX8M Nano | ENET0 | GbE | ✔ | | ::: | i.MX8M Nano | FlexSPI | QSPI NOR | ✔ | | ::: | i.MX8M Nano | Fuse | OTP | ✔ | | ::: | i.MX8M Nano | GPIO | | ✔ | | ::: | i.MX8M Nano | I²C1 | Bus Access | ✔ | | | ::: | i.MX8M Nano | I²C2 | Bus Access | ✔ | | | ::: | i.MX8M Nano | I²C3 | Bus Access | ✔ | | | ::: | i.MX8M Nano | UART3 | Debug console | ✔ | Default console | | ::: | i.MX8M Nano | USB | Host | ✔ | | ::: | i.MX8M Nano | uSDHC | eMMC / SD-Card | ✔ | SD card / eMMC | ^ Feature ^^^^ BSP Revision ^^^^^^^^ Remarks ^ ^ TQ Product ^ Chip ^ Interface ^ Function ^ 0026 ^ 0027 ^ 0030 ^ 0034 ^ 0035 ^ 0052 ^ 0054 ^ 0056 ^ | TQMa8MxNL | i.MX8M Nano | ENET0 | GbE | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | ::: | i.MX8M Nano | FlexSPI | QSPI NOR | | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | ::: | i.MX8M Nano | Fuse | OTP | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | ::: | i.MX8M Nano | GPIO | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | ::: | i.MX8M Nano | I²C1 | Bus Access | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | I²C2 | Bus Access | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | I²C3 | Bus Access | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | UART3 | Debug console | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | Default console | | ::: | i.MX8M Nano | USB | Host | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | ::: | i.MX8M Nano | uSDHC | eMMC / SD-Card | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | SD card / eMMC | ^ Boot device ^ supported ^ | eMMC | ✔ | | SD Card | ✔ | | QSPI NOR | ✔ | ===== Kernel ===== ===== Operating System ===== ^ Feature ^^^^ TQMa8.BSP Revision ^ Remarks ^ ^ TQ Product ^ Chip ^ Interface ^ Function ^ 0081 - 0091 ^:::^ | TQMa8MxNL | i.MX8M Nano | ENET0 | GbE | ✔ | | | ::: | i.MX8M Nano | FlexSPI | QSPI | ✔ | | | ::: | i.MX8M Nano | GPIO | | ✔ | | | ::: | i.MX8M Nano | GPU | Hardware Accelaration | ✔ | | | ::: | i.MX8M Nano | I²C1 | Bus Access | ✔ | [[./linux/yocto/overview#onboard_i2c_devices|See onboard I2C devices]] | | ::: | i.MX8M Nano | I²C2 | Bus Access | ✔ | [[./linux/yocto/overview#onboard_i2c_devices|See onboard I2C devices]] | | ::: | i.MX8M Nano | I²C3 | Bus Access | ✔ | [[./linux/yocto/overview#onboard_i2c_devices|See onboard I2C devices]] | | ::: | i.MX8M Nano | LPUART1 | Debug Console | ✔ | | | ::: | i.MX8M Nano | MIPI CSI | Camera Interface | ✔ | | | ::: | i.MX8M Nano | MIPI DSI | SN65DSI84 | ✔ | DSI-to-LVDS Bridge | | ::: | i.MX8M Nano | PCIe | PCIe Gen2 | ✔ | | | ::: | i.MX8M Nano | PWM | | ✔ | | | ::: | i.MX8M Nano | SAI3 | TLV320AIC3204\\ (Audio Codec) | ✔ | | | ::: | i.MX8M Nano | USB1 | TUSB8041I\\ (USB Hub) | ✔ | | | ::: | i.MX8M Nano | USB2 | Host | ✔ | | | ::: | i.MX8M Nano | ::: | OTG | ✔ | | | MBa8Mx | TLV320AIC3204 | Audio Codec | Headphone Out / Line Out | ✔ | | | ::: | ::: | ::: | Line In | ✔ | | | ::: | ::: | ::: | Microphone In | ✘ | | | ::: | TUSB8041I | USB1 | Host 1 | ✔ | | | ::: | TUSB8041I | USB2 | Host 2 | ✔ | | | ::: | TUSB8041I | USB3 | Host 3 | ✔ | | | ::: | TUSB8041I | USB4 | Host 4 | ✔ | | | ::: | SN65DSI84 | DSI-to_LVDS Bridge | LVDS | ✔ | | ^ Feature ^^^^ BSP Revision ^^^^^^^^ Remarks ^ ^ TQ Product ^ Chip ^ Interface ^ Function ^ 0026 ^ 0027 ^ 0030 ^ 0034 ^ 0035 ^ 0052 ^ 0054 ^ 0056 ^:::^ | TQMa8MxNL | i.MX8M Nano | ENET0 | GbE | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | FlexSPI | QSPI | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | GPIO | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | GPU | Hardware Accelaration | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | I²C1 | Bus Access | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | [[./linux/yocto/overview#onboard_i2c_devices|See onboard I2C devices]] | | ::: | i.MX8M Nano | I²C2 | Bus Access | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | [[./linux/yocto/overview#onboard_i2c_devices|See onboard I2C devices]] | | ::: | i.MX8M Nano | I²C3 | Bus Access | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | [[./linux/yocto/overview#onboard_i2c_devices|See onboard I2C devices]] | | ::: | i.MX8M Nano | LPUART1 | Debug Console | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | MIPI CSI | Camera Interface | | | | | | | ✔ | ✔ | | | ::: | i.MX8M Nano | MIPI DSI | SN65DSI84 | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | DSI-to-LVDS Bridge | | ::: | i.MX8M Nano | PCIe | PCIe Gen2 | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | PWM | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | SAI3 | TLV320AIC3204\\ (Audio Codec) | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | USB1 | TUSB8041I\\ (USB Hub) | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | USB2 | Host | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | i.MX8M Nano | ::: | OTG | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | MBa8Mx | TLV320AIC3204 | Audio Codec | Headphone Out / Line Out | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | ::: | ::: | Line In | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | ::: | ::: | Microphone In | | | | | | | | | | ::: | TUSB8041I | USB1 | Host 1 | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | TUSB8041I | USB2 | Host 2 | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | TUSB8041I | USB3 | Host 3 | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | TUSB8041I | USB4 | Host 4 | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | | ::: | SN65DSI84 | DSI-to_LVDS Bridge | LVDS | | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | | ===== FAQ ===== ===== Yocto ===== ===== Yocto BSP Version Matrix - Old Revisions ===== ^ BSP Revision ^ ++meta-tq release|\\ [[https://github.com/tq-systems/meta-tq]]++ ^ Yocto Project / Poky Release ^ Target machine((i.e. value for [[https://www.yoctoproject.org/docs/3.0.3/ref-manual/ref-manual.html#var-MACHINE|MACHINE]] variable)) ^ U-Boot ^ Linux Kernel ^ | [[https://github.com/tq-systems/meta-tq/releases/tag/hardknott.TQMa8MxNL.BSP.SW.0080|0080]] | [[https://github.com/tq-systems/ci-meta-tq/tree/hardknott|hardknott]] | 3.3.3 - Hardknott | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/hardknott.TQMa8MxNL.BSP.SW.0080|v2020.04_imx_5.4.70_2.3.0]] | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/hardknott.TQMa8MxNL.BSP.SW.0080|fslc-5.10-2.1.x-imx]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8MxNL.BSP.SW.0056|0056]] | [[https://github.com/tq-systems/meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0056|v2020.04_imx_5.4.70_2.3.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0056|rel_imx_5.4.70_2.3.0]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8MxNL.BSP.SW.0054|0054]] | [[https://github.com/tq-systems/meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0054|v2020.04_imx_5.4.70_2.3.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0054|rel_imx_5.4.70_2.3.0]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8MxNL.BSP.SW.0052|0052]] | [[https://github.com/tq-systems/meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0052|v2020.04_imx_5.4.70_2.3.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0052|rel_imx_5.4.70_2.3.0]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8MxNL.BSP.SW.0035|0035]] | [[https://github.com/tq-systems/meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0035|v2019.04-lf-5.4.y-1.0.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0035|lf-5.4.y-1.0.0]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8MxNL.BSP.SW.0034|0034]] | [[https://github.com/tq-systems/meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0034|v2019.04-lf-5.4.y-1.0.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0034|lf-5.4.y-1.0.0]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8MxNL.BSP.SW.0030|0030]] | [[https://github.com/tq-systems/meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0030|v2019.04-lf-5.4.y-1.0.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8MxNL.BSP.SW.0030|lf-5.4.y-1.0.0]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8.BSP.SW.0027|0027]] | [[https://github.com/tq-systems/ci-meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 - Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8.BSP.SW.0027|v2019.04-lf-5.4.y-1.0.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8.BSP.SW.0027|lf-5.4.y-1.0.0]] | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8.BSP.SW.0026|0026]] | [[https://github.com/tq-systems/ci-meta-tq/tree/zeus-tqma8|zeus-tqma8]] | 3.0.3 - Zeus | tqma8mxnl-1gb-mba8mx | [[https://github.com/tq-systems/u-boot-tqmaxx/releases/tag/zeus.TQMa8.BSP.SW.0026|v2019.04-lf-5.4.y-1.0.0]] | [[https://github.com/tq-systems/linux-tqmaxx/releases/tag/zeus.TQMa8.BSP.SW.0026|lf-5.4.y-1.0.0]] | {{section>en:general_information:yocto:tips#bsp_release_auto_notification&noheader}} ===== Yocto Target Machines ===== ^ TQMa8.BSP Revision ^ Target machine | | [[https://github.com/tq-systems/ci-meta-tq/releases/tag/zeus.TQMa8.BSP.SW.0026|≥0026]] | tqma8mxnl-1gb-mba8mx | \\ ===== Yocto Changelog ===== **BSP** * Enable building multiple u-boot configs **U-Boot** * Support multiple u-boot configs. Build all bootstream variants for all enabled u-boot configs **BSP** * Prepare support for Vision Components GmbH MIPI CSI cameras * Add dvice trees * Add "camera" MACHINE_FEATURE **Linux** * Add devicet rees for Vision Components GmbH MIPI CSI cameras * Add RAW/Bayer formats for imx8_mipi_csi2 and mx8-isi-cap * Build camera and support drivers into kernel instead as module * Port and implement fixes for imx8_mipi_csi2 and mx8-isi-cap **BSP** * Sanitize variable assignments to improve reusability in config/machines: * Replace IMAGE_INSTALL_append with more approbiate MACHINE_EXTRA_RRECOMMENDS_append * Remove all dirty magic for DISTRO_FEATURES_remove * Replace hard assignments to IMAGE_BOOT_FILES with ?= * Remove remaining docs for incompatible MBa8Mx REV.020x * Drop support for U-Boot v2019.04, since no user left * Remove local recipe firmware-imx * Support for NXP BSP rel_imx_5.4.70_2.3.1 * u-boot: migrate all imx8 machines with U-Boot v2020.04 support to NXP BSP version * linux: migrate all machines to NXP BSP version * imx-atf: add fork based on NXP BSP version * Optimize codec preconfig in alsa-state. PCM input and LineOut amp factors were configured suboptimal. * Update to new CortexM demo package in machine config * rewrite recipe for CortexM demos: * Based on NXP SDK v2.9.0 * Rename and sanitize recipe * Use versioned archive name * Disable packages only relevant for NXP STK in machine config: * nxp8987 WiFi * imx-m[4,7]-demos **U-Boot** * Fix phy_config using devicetree * Forward error from phy_config * Prevent nasty voltage switch error warning for e-MMC * Use mmc rescan in env scripts to prevent errors when exchanging SD Card * I2C recovery gpio * Support SD UHS modes and optimized pad config * Backport lmb fixes from upstream, needed for newer DTB with lots of reserved mem regions * Fix flow for EVCR access * Optimize RAM-config * Use verified pad config * Optimize PMIC config in SPL * Lower voltage for LDO2 / V_SNVS_0V8 * Improved configs for BUCK1/3 (recommendations from hardware development guide and app note for using same board for i.MX8MN / i.MX8MM) * DSR support for Micron SPI NOR **Linux** * Fix DT for mPCIe USB cards * Port fixes for Codec on STK to prevent race condition that could cause driver load failure * Enable wifi support in kernelconfig * I2C recovery gpio * Support SD UHS modes and optimized pad config * Fix SAI interface sychronous play / record * Use verified pad config * Label sys EEPROM as read only * Backport upstream PMIC driver for PCA9450 * adjust device tree * Limit voltage rails * DSR support for Micron SPI NOR **U-Boot** * Fixes for hardware revision 0200 **U-Boot** * Updated RAM-Timing for TQMa8MxML with 2GB * Add support HW REV.0200 * Removed support for HW REV.0100 * e-MMC is now on USDHC3 * Some GPIO signals changed * remove muxing and usage of USER_LED_3 signal as already done in kernel dtb **Linux** * Add support HW REV.0200 * Removed support for HW REV.0100 * e-MMC is now on USDHC3 * Some GPIO signals changed * Add recovery GPIO for I2C1 **BSP** * Integrate CortexM examples for TQMa8Mx[M,N]L * Include RPMSG examle device tree * Build FlexSPI bootstream by default **U-Boot** * Add flexspi boot support * Add env support for bootstream update on flexspi * Add env support for CortexM core boot and update * Fix compatible and model names in devicetree * fix spelling errors in multiple places **Linux** * Add devicetree for RPMSG support * Fix compatible and model names in devicetree * remove USER_LED_3 * switch to gpio CS for SPI **BSP** * machines: rename some machines to unify naming and reflect real mem size **U-Boot** * Rename defconfigs to unify naming ) * Support for RTC load capacity configuration * QSPI Support * USB host support (Hub on MBa8Mx) * simplify USB OTG (use ID from USB) * Fix RAM Timing for 1GiB * Fix Kconfig for default device tree * Fix not working USB download in SPL * USB power domain handling **Linux** * Simplify USB OTG (use ID from USB) * Added audio support * USB host support * Enable QSPI flash * Enable SD104 for SD-Card * Remove pull config from pad settings * Initial support for TQMa8MxNL ===== Yocto Images ===== **System Images** ^ Boot Device ^ Symlink ^ File ^ ^ SD Card/eMMC | tq-image-weston-tqma8mxnl-1gb-mba8mx.wic | tq-image-weston-tqma8mxnl-1gb-mba8mx-.rootfs.wic | **Bootstream (Bootloader) Binaries** ^ Boot Device ^ Symlink ^ File ^ ^ SD/eMMC | imx-boot | imx-boot-tqma8mxnl-1gb-mba8mx-sd.bin-flash_spl_uboot | **Linux Kernel Image** ^ Symlink ^ File ^ | Image | Image--5.10-r0-tqma8mxnl-1gb-mba8mx-.bin | **Devicetree Blobs** ^ Symlink ^ Description ^ | imx8mn-tqma8mqnl-mba8mx.dtb | Default | | imx8mn-tqma8mqnl-mba8mx-lcdif-lvds-tm070jvhg33.dtb | Default with LVDS interface activated | | imx8mn-tqma8mqnl-mba8mx-lcdif-lvds-tm070jvhg33-imx327.dtb | Default with CSI color Camera and LVDS activated | | imx8mn-tqma8mqnl-mba8mx-lcdif-lvds-tm070jvhg33-ov9281.dtb | Default with CSI monocrome Camera and LVDS activated | | imx8mn-tqma8mqnl-mba8mx-rpmsg.dtb | Default with RPMSG support | **RootFS Images** ^ Symlink ^ File ^ | tq-image-weston-tqma8mxnl-1gb-mba8mx.ext4 | tq-image-weston-tqma8mxnl-1gb-mba8mx-.rootfs.ext4 | | tq-image-weston-tqma8mxnl-1gb-mba8mx.tar.gz | tq-image-weston-tqma8mxnl-1gb-mba8mx-.rootfs.tar.gz | ===== Yocto Deployment ===== ==== Device assignment ==== __Device assignment:__\\ //mmcdev 0// = eMMC\\ //mmcdev 1// = SD Card\\ ==== Yocto specific command Update eMMC ==== 1. Run the following commands in the Uboot shell to create update script: setenv root_loop 'setenv start 24000 && setenv r1 $rootblks16 && while itest $r1 -gt 0; do if itest $r1 -gt 0x100000; then setenv count 0x100000; else setenv count $r1; fi && mmc dev 1 && mmc read $loadaddr $start $count && mmc dev 0 && mmc write $loadaddr $start $count && setexpr start $start + $count && setexpr r1 $r1 - $count; done; setenv r1; setenv start; setenv count' setenv install_firmware 'echo MBR... && mmc dev 1 && mmc read $loadaddr 0 1 && mmc dev 0 && mmc write $loadaddr 0 1 && echo Bootstream... && mmc dev 1 && mmc read $loadaddr 3F 1FC0 && mmc dev 0 && mmc write $loadaddr 3F 1FC0 && echo U-Boot environment... && mmc dev 1 && mmc read $loadaddr 2000 2000 && mmc dev 0 && mmc write $loadaddr 2000 2000 && echo Firmware Partition... && mmc dev 1 && mmc read $loadaddr 4000 20000 && mmc dev 0 && mmc write $loadaddr 4000 20000 && echo Root FS... && run root_loop' * Create the variable rootblks16 to hold the size of the root filesystem as a hex number representing the size as the amount of 512 byte blocks: setenv rootblks16 ** Example for RootFS size of 2070MB: ** \\ 2070** * **1024** * **1024 = 2170552320 \\ 2170552320** / **512 = 4239360 \\ 4239360 = 40B000HEX setenv rootblks16 0x40B000 ==== uboot command to start netboot ==== => run netboot