This application report describes the procedure to achieve fast boot using Linux on the DRA821/J7200/J7VCL platform. The details captured here are directed towards replicating the results on the DRA821. However, this concept can be very easily extended to other devices in the Jacinto 7 family.

This document enables achieving a Linux prompt in approximately 3 seconds using an optimized filesystem (tisdk-tiny-image) and reduced DTSI.