How do you build U-Boot in Linux?

How do you build U-Boot in Linux?

How do you build U-Boot in Linux?


  1. Download the sources and decompress the archive into a working directory.
  2. Enter the U-Boot directory.
  3. Configure U-Boot with the following command: make _config.
  4. U-Boot uses a basic make command, with CROSS_COMPILE variable. make CROSS_COMPILE= will compile U-Boot.

How do you make a U-Boot?

Compile U-Boot

  1. Get a toolchain. If you haven’t done so before, get a suitable toolchain installed and added to your PATH.
  2. Get the Device-tree Compiler.
  3. Clone the repository.
  4. Determine build target.
  5. Build.
  6. Boot.
  7. Setting u-boot environment variables.
  8. NAND.

What is U-Boot SCR?

scr is a user-defined image file that is read before loading uImage, allowing the user to supersede the loading of uImage, preventing the user from recompiling uImage.

What is Extlinux conf?

EXTLINUX is a new syslinux derivative, which boots from a Linux ext2/ext3 filesystem. It works the same way as SYSLINUX, with a few slight modifications. It is intended to simplify first-time installation of Linux, and for creation of rescue and other special-purpose boot disks.

How do I port a boot to a new board?

Steps to Port U-Boot to Custom i. MX6 Board

  1. Step 1: Create a board defconfig. Switch to u-boot/configs.
  2. Step 2: Modify the Kconfig file. Open u-boot/arch/arm/cpu/armv7/mx6/Kconfig.
  3. Step 3: Add the Custom Board Source Code. Switch to u-boot/board.
  4. Step 4: Add Header File for Custom Board.
  5. Step 5: Build U-Boot as usual.

How do I port a Boot to a new board?

Where are u-boot environment variables stored?

The U-Boot environment is stored in the SD Card memory and is persistent across power or reset cycles. Parameters defined by the U-boot environment variables include: target IP address, target MAC address, location in RAM where a Linux bootable image will be loaded, and many others.

How do I create a boot bin for Petalinux?

Sep 23, 2021•Knowledge

  1. Create a new PetaLinux project.
  2. Launch the system-level menuconfig using the petalinux-config tool with no options.
  3. Browse to /subsystems/linux/configs/u-boot and edit the platform-top.
  4. Run the petalinux-build tool to re-build the system with these modified settings.