https://support.tq-group.com/ 2026-06-29T06:31:16+00:00 https://support.tq-group.com/ https://support.tq-group.com/_media/logo.png text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/data?rev=1738063030&do=diff Entry Page Third-Party Add-Ons * ITTIA DB SQL * SystemCORP IEC 61850 * NetModule IEC 62439 Board Support Packages * YOCTO Linux BSP Documentation * PikeOS BSP Information ---------- ⠀⠀TQMa8XxP4 Bootloader Fix: ERR051393 Product URL list TQ product page TQMa8Xx4 Starterkit * MBa8Xx DIP switch settings Onboard I2C devices I2C bus TQMa8Xx I2C1 0x19 Temperature sensor 0x31 EEPROM (software protection) text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/target?rev=1738063030&do=diff Starterkit Interfaces and Functions “|mb_name=“MBa8Xx”}} “|button_device=”/dev/input/event1”|button_test=“evtest /dev/input/event1”}} “}} “|userled_location=”/sys/devices/platform/gpio-leds/leds/“|led_example=“ledb text/html 2026-03-24T10:37:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/deployment_yocto?rev=1774348629&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- Create SD-Card image There are two common ways to write the image to an SD card: using the highly recommended bmaptool (which is significantly faster) or the standard dd text/html 2026-03-09T14:40:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/overview?rev=1773067257&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- BSP Overview TQMa8.BSP Revision meta-tq release https://github.com/tq-systems/meta-tq ++ Yocto Project / Poky Release U-Boot Linux Kernel 0092 kirkstone 4.0.11 - Kirkstone v2020.04_imx_5.4.70_2.3.0 fslc-5.15-2.0.x-imx 0091 kirkstone text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/yocto_build_system?rev=1738063030&do=diff text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/development_host/cortex_m?rev=1738063030&do=diff text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/development_host/eclipse?rev=1738063030&do=diff text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/development_host/yocto_sdk?rev=1738063030&do=diff text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/pikeos/overview?rev=1738063030&do=diff Preliminary content - work in progress Introduction PikeOS is a real-time operating system that offers a separation kernel-based hypervisor with multiple partitions for many other operating systems and applications. It enables you to build devices for environments with strong demands for safety and security. PikeOS is compliant to the highest safety standards for avionics, space, railway, automotive, medical and industrial automation markets. Due to its separation kernel approach it is the fir… text/html 2026-06-04T09:36:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/quickstart_yocto?rev=1780565807&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2026-03-10T10:11:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/buttons?rev=1773137473&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The MBa8Xx features two user buttons which are handled by the gpio-keys driver. Reference Button S2 BTN0 S3 BTN1 The buttons are accessible via the input device interface. You can identify the correct event node and test the buttons using the evtest tool: text/html 2026-03-09T12:27:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/can?rev=1773059265&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The MBa8Xx provides two CAN interfaces: CAN0 and CAN1. DIP switch SW1 is used to configure CAN0. Function SW1-1 SW1-2 CAN-Bus not terminated OFF OFF not defined (illegal state) text/html 2026-03-09T14:21:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/eclipse?rev=1773066063&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2026-03-09T14:21:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/mcuexample?rev=1773066107&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2026-03-09T14:25:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/yocto_build_system?rev=1773066316&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2026-03-09T14:20:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/yocto-sdk?rev=1773066039&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/development_host/scfw?rev=1738063030&do=diff text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to?rev=1738063030&do=diff * Target * Development Host * Yocto Build System text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/known_issues?rev=1738063030&do=diff WORK IN PROGRESS text/html 2026-03-09T14:40:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/known-issues?rev=1773067240&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- Known Issues text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/development_host?rev=1738063030&do=diff * → Building Yocto SDK * → Setup IDE's * Eclipse * → Building the Cortex M4 Examples with MCUXpresso * → Build System Controller Firmware for STKa8Xx text/html 2026-03-10T10:06:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/audio?rev=1773137167&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- Connector Function X8 Microphone X9 Line In X10 Line Out The microphone input is not supported in the current BSP version. Play Audio on MBa8Xx A simple test sound can be played with the command-line tool speaker-test. text/html 2026-03-10T10:11:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/i2c?rev=1773137511&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- An overview of the onboard I2C devices is available here. Select the I2C bus device: i2c dev 1 Show all devices connected to the currently selected I2C bus: i2c probe text/html 2026-03-09T14:22:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/systemcontrollerfw?rev=1773066148&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2026-03-10T10:35:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/user-led?rev=1773138936&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The MBa8Xx has two user-controllable LEDs, whose behavior can be selected by several triggers. The user LEDs are located in /sys/devices/platform/gpio-leds/leds/. To change the behaviour of a specific LED, the value in the file trigger must be overwritten. text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/mba8xx/dip_switches?rev=1738063030&do=diff MBa8Xx DIP switch settings Boot Modes The following boot modes of the i.MX8X can be selected by the DIP switch S1 on the MBa8Xx. S1 S1 S1 S1 S1 Functional DIP Switches DIP-Switch settings for DP-Bridge and CAN. Only available on MBa8Xx Rev.01xx text/html 2026-03-09T14:51:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/mba8xx/stk_quicksteps?rev=1773067868&do=diff text/html 2026-03-09T12:33:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/cpu?rev=1773059592&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The STKa8Xx4 supports DVFS (dynamic voltage and frequency scaling). By default the governor ondemand is set. Governors are power schemes for the CPU. Only one can be active at a time. text/html 2026-03-09T12:36:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/ethernet?rev=1773059801&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The STKa8Xx4 Starter Kit provides two Gigabit Ethernet interfaces. In U-Boot, end0 is configured as the default interface. The IP configuration can be done statically or by a DHCP server in the network. text/html 2026-03-09T12:44:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/gpu?rev=1773060253&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- To run the GPU benchmark in fullscreen mode with a connected display, execute the following command: glmark2-es2-wayland --fullscreen text/html 2026-03-09T12:53:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/lvds?rev=1773060793&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- TQ offers an optional LVDS Display kit for the STKa8Xx4. Each Display can be used on its own by using the corresponding device tree. To allow reuse, the support for each display is separated in a text/html 2026-03-09T12:54:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/rtc?rev=1773060892&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- To set the hardware clock to the current time and date use the following commands: date -s "YYYY-MM-DD hh:mm:[ss]" hwclock -w text/html 2026-03-09T13:00:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/sensors?rev=1773061219&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- To read from the temperature sensors, the following command can be used: sensors Alternatively, read from the hwmon interface directly: cat /sys/class/hwmon/hwmon<N>/temp1_input text/html 2026-03-10T10:30:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/spi?rev=1773138624&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The MBa8Xx has three SPI interfaces. They are available on the extension headers and can be tested with a loopback test. In order to determine the correct SPI interface name, the following command can be used: text/html 2026-03-09T11:04:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/start?rev=1773054248&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2026-03-09T13:02:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/usb?rev=1773061324&do=diff TQMa8Xx4 - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- With lsusb you can see all connected usb devices. To mount a partition of a usb stick you can execute mount /dev/<partition> <mount dir> (e.g. mount /dev/sdb1 /mnt). This will mount the first partition of sdb to /mnt.