Overview
This is the Linux BSP (Board Support Package) for the NXP i.MX RT1050 EVK 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 RT1050 microcontroller using the NXP i.MX RT1050 EVKB board as a hardware platform.
Supported Features
The following list summarizes the features and capabilities of this release of the NXP i.MX RT1050 EVK BSP:
- Linux:
- Kernel v.5.15.71;
- Serial Linux console;
- Ethernet device driver and Linux TCP/IP networking (ping, NFS, Telnet, FTP, NTPD, etc);
- Clock driver;
- pinctrl
- I2C driver;
- MMC/SD driver;
- LCD display and touch support;
- 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) LPSPI 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 v2022.04;
- 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;
- LCD display support;
- 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 GNU toolchain is used for development of user-space applications;
- ELF / dynamic linking supported;
- 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 3.0.3, as compared to Release 3.0.1:
- Support LCD display in U-Boot and Linux, without touch.
ID: RM 6861.
- Support LCD display touch in Linux.
ID: RM 6918.
- Support LPSPI (SD Card via LPSPI interface).
ID: RM 6916.
- Support LVGL GUI in Linux.
ID: RM 6919.
- Port CONFIG_ARM_V7M_NO_UNALIGN_TRP patch to the new kernel baseline.
ID: RM 6933.
- Develop Emcraft's LVGL demo.
ID: RM 6937.
- Migrate to HZ_1000.
ID: RM 6939.
- Сan't resolve symbol by the ldso interpretator.
ID: RM 6943.
- Kernel crash when booting from SD Card.
ID: RM 6895.
Known Problems & Limitations
This section lists known problems and limitations of this release:
- dropbear crashes after exiting from the ssh session to rt1024.
ID: RM 6769. Workaround: Restart dropbear by performing the dropbear -R command on the target.
- gcc 11.3: gdbserver crashes when attempting to start remote debugging.
ID: RM 6821. Workaround: None.
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