SPRADK8 February   2025 AM62P

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Hardware Used
    1. 2.1 AM62Px Processor
    2. 2.2 SK-LCD1
    3. 2.3 Display Subsystem on AM62P
  6. 3Early Splash-Screen Architecture
    1. 3.1 Boot Stages on AM62P
    2. 3.2 Flicker-Free Transition
  7. 4Flicker-Free Transition From SPL to U-Boot
    1. 4.1 Steps to Test
    2. 4.2 Measurements
  8. 5Flicker-Free Transition From SBL to Linux Kernel
    1. 5.1 Steps to Test
    2. 5.2 Measurements
  9. 6Results

Abstract

This application note provides information on how to display a splash screen as fast as possible on AM62P and perform a glitch-free transition from the splash screen to the full system user interface (UI). The steps in this document are demonstrated using the Universal Boot Loader (U-Boot) flow as well as custom Slim Bootloader (SBL) along with the Linux® Kernel.