[bsp][nxp][imx] WIP: Add FRDM-i.MX91 bsp #10570
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A核芯片，请启用MMU，外设都做ioremap，谢谢。 |
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Pull Request Overview
This PR adds a new BSP (Board Support Package) for the NXP FRDM-i.MX91 development board, introducing support for the i.MX91 SoC with ARM Cortex-A55 architecture.
Key Changes:
- Adds complete BSP structure for i.MX91 platform including toolchain configuration, memory management, and device drivers
- Implements UART1 driver support with IOMUX configuration for serial communication
- Provides basic board initialization with timer, interrupt handling, and memory mapping setup
Reviewed Changes
Copilot reviewed 22 out of 22 changed files in this pull request and generated 11 comments.
Show a summary per file
| File | Description |
|---|---|
| rtconfig.py | Toolchain configuration for ARM Cortex-A with GCC compiler settings |
| rtconfig.h | RT-Thread configuration header with i.MX91-specific settings |
| link.lds | Linker script defining memory layout and sections for i.MX91 |
| drivers/serial.* | UART driver implementation and header |
| drivers/iomux/* | Pin multiplexing configuration for UART interfaces |
| drivers/board.* | Board initialization and hardware abstraction |
| applications/* | Application startup code and initialization |
| build files | SCons build system configuration and Kconfig files |
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拉取/合并请求描述：(PR description)
为什么提交这份PR (why to submit this PR)
添加 NXP FRDM-i.MX91 开发板的 BSP
你的解决方案是什么 (what is your solution)
新增imx91目录
请提供验证的bsp和config (provide the config and bsp)
当前拉取/合并请求的状态 Intent for your PR
必须选择一项 Choose one (Mandatory):
代码质量 Code Quality：
我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:
#if 0代码，不包含已经被注释了的代码 All redundant code is removed and cleaned up