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Overview

This is the Linux BSP (Board Support Package) for the NXP i.MX RT1170 EVK/EVKB board.

The BSP provides a software development environment for evaluation and development of Linux (uClinux) on the Cortex-M7 processor core of the i.MX RT1170 microcontroller using the NXP i.MX RT1170 EVK / NXP i.MX RT1170 EVKB board as a hardware platform.

Supported Features

The following list provides a summary of the features and capabilities of this release of the NXP i.MX RT1170 BSP:

  • Linux:

    • Kernel v.6.1.22;

    • Serial Linux console;

    • Ethernet device driver and Linux TCP/IP networking (ping, NFS, Telnet, FTP, NTPD, etc);

    • Clock driver;

    • pinctrl driver;

    • MMC/SD driver;

    • I2C driver;

    • USB High Speed driver (Host and Gadget modes);

    • (PAID ADD-ON) QSPI Flash driver;

    • (PAID ADD-ON) ADC driver;

    • (PAID ADD-ON) CAN bus driver;

    • (PAID ADD-ON) SPI bus driver;

    • (PAID ADD-ON) Support LVGL GUI;

    • busybox v1.35.0;

    • POSIX pthreads;

    • Hardened exception handling; an exception triggered by a process affects only the offending process;

    • MPU user-level protection support;

    • GPIO device driver.

  • U-Boot firmware:

    • U-Boot v 2023.04;

    • Target initialization from power-on / reset;

    • Serial console;

    • Ethernet driver for loading images to the target;

    • Clock driver;

    • pinctrl driver;

    • Device driver for MMC/SD Card;

    • USB driver;

    • Autoboot feature, allowing boot of OS images from the SD Card;

    • Persistent environment in the SD Card for customization of target operation;

    • Sophisticated command interface for maintenance and development of the target.

  • Development tools:

    • Linux-hosted cross-development environment;

    • 11.3.0 GNU toolchain is used for development of user-space applications;

    • ELF / dynamic linking supported;

    • Debugging user-space applications with cross-GDB;

    • Hardware FPU enabled in the toolchain and kernel;

    • mkimage tool used by the Linux kernel build process to create a bootable Linux image.

New and Changed Features

The following is a summary of the changes in Release 3.0.5, as compared to Release 3.0.4:

  1. Fix bug: gcc 11.3: gdbserver crashes when attempting to start remote debugging.
    ID: RM 6821.

  2. Support turning on/off LCD backlight on IMXRT1170-EVK.
    ID: RM 6921.

  3. Support MIPI-DSI display in Linux.
    ID: RM 6932.

  4. Fix bug: Mount /tmp as the TMPFS file system.

    ID: RM 6934.

  5. Support touchscreen for IMXRT1170-EVK with LCD.
    ID: RM 6977.

  6. Migrate to HZ_1000 for the i.MX rt1170 BSP.
    ID: RM 7004.

  7. Add LVGL demos to uClinux for the IMXRT1170-EVK board.
    ID: RM 7048.

  8. Fix bug: Termination of the gdbserver program leads to segmentation fault.
    ID: RM 7001.

  9. Fix bug: The next command does not work in gdb 11.2.
    ID: RM 7052.

  10. Fix bug: Set scheduling mode to the “Preemptible Kernel (Low-Latency Desktop)” in the rootfs_flash project for imxrt1170 BSP.
    ID: RM 7058.

  11. Fix bug: Switch sys tick to 1KHz frequency in the rootfs_flash project for imxrt1170 BSP.
    ID: RM 7059.

  12. Fix bug: Issue with JFFS2 filesystem in the rootfs_flash project for imxrt1170 BSP.
    ID: RM 7060.

  13. Fix bug: gdb 11.2: issue with the command.
    ID: RM 7078.

  14. Fix bug: Fix VFP issues in kernel 6.1.22.
    ID: RM 6952.

  15. Fix bug: Ethernet support is broken in IMXRT1170 BSP for Linux v6.1.
    ID: RM 7043.

  16. Support 16-bit framebuffer for IMXRT1170.
    ID: RM 7016.

Known Problems & Limitations

This section lists known problems and limitations of this release:

  1. IMXRT1170: USB gadget function can be broken in OTG mode if insert a USB flash to the OTG connector.
    ID: RM 6804.
    Workaround: None.

  2. SPI Flash is not supported on imxrt1170-evkb.
    ID: RM 6930.
    Workaround: None.

  3. QSPI flash in U-Boot does not work on imxrt1170-evkb board from 3.0.4 IMXRT1170 BSP.

    ID: RM 6931.
    Workaround: None.

  4. U-boot fails to boot from microSD card with the 64GB capacity.

    ID: RM 7017.
    Workaround: Use microSD card with less capacity.

  5. ebike LVGL demo is not supported on IMXRT1170-EVK LCD.
    ID: RM 6978.
    Workaround: None.

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