1. 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.

2. 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.

3. 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.

4. Known Problems & Limitations

This section lists known problems and limitations of this release:

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