How to change U-Boot Logo

To change the U-Boot logo, you’ll need to follow these steps:

• Prepare your new logo.

Warning

Ensure that your logo is in the BMP (Bitmap) format, with a colour depth of 24 bits (RGB). The logo size should be less than 1MB to fit within the constraints of U-Boot.

• Convert the logo to the correct format:

Note

If your logo is not already in the correct format, you can use an image editing software like GIMP or Photo-shop to convert it. Open the logo in the software, adjust the colour depth to 24 bits, and save it in BMP format.

• Access the U-Boot source code: Obtain the U-Boot source code for Vaaman from Vicharak U-Boot GitHub repository.

• Locate the logo file: In the U-Boot source code, navigate to the drivers/video/drm/ where the logo file is contained. The logo file is typically named logo.h or similar.

• Converting BMP file to logo.h (Using vicharak bmp2hex tool).

./tools/bmp2hex logo.bmp

mv logo.h drivers/video/drm/logo.h

• Recompile U-Boot: Recompile the U-Boot source code with your new logo. Follow the instructions provided with the U-Boot source code to build it for your specific board or device.

• Flash the new U-Boot image: Once you have successfully compiled the U-Boot source code, you’ll need to flash the new U-Boot image to your device.

Note

The flashing process depends on the specific board you are using. Refer to the Vaaman’s documentation or the U-Boot documentation for instructions on how to flash the new image.

• Test the new logo: After flashing the new U-Boot image, reboot your device. You should now see your custom logo during the U-Boot boot-up process.