This repo is used to build for the STM32MP157D-DK1 board

How to use

Prerequisites

1. Install dependencies (Ubuntu/Debian):

   ./dependencies.sh

2. Set up STM32MP1 SDK environment:

   • Install STM32MP1 OpenSTLinux SDK from ST website
   • Source the environment setup script:

   source env_setup.sh

Building Components

This repository provides a comprehensive build script for all STM32MP157D-DK1 components:

Basic Usage

./build_script.sh <component> <board> [options]

Available Components

• atf - ARM Trusted Firmware
• optee - OP-TEE Secure OS
• kernel - Linux Kernel
• uboot - U-Boot Bootloader
• all - Build all components

Supported Boards

• stm32mp157d-dk1 (primary target)
• stm32mp157f-dk2
• stm32mp135f-dk

Build Options

• menuconfig - Run configuration menu before building
• clean - Clean build directories before building

Examples

1. Build U-Boot for STM32MP157D-DK1:

   ./build_script.sh uboot stm32mp157d-dk1

2. Build Linux kernel with menuconfig:

   ./build_script.sh kernel stm32mp157d-dk1 menuconfig

3. Clean build and rebuild all components:

   ./build_script.sh all stm32mp157d-dk1 clean

4. Build only ARM Trusted Firmware:

   ./build_script.sh atf stm32mp157d-dk1

Output

Built images will be generated in:

• images/stm32mp1/ - Main output directory
• Individual component build directories under each component folder

Project Structure

• atf/ - ARM Trusted Firmware sources and patches
• kernel/ - Linux kernel sources and configuration fragments
• optee-os/ - OP-TEE OS sources and patches
• u-boot/ - U-Boot bootloader sources
• STM32MP157D-DK1/ - Board-specific device tree and configuration files
• gcnano-driver/ - GPU driver components

Notes

• Ensure you have sufficient disk space (minimum 20GB recommended)
• Build time varies depending on your system (typically 30-60 minutes for full build)
• For Ubuntu 20.04 users, uncomment the HOSTLDLIBS export in the build script if needed