5 Building and Flashing the System Image into the SAMA5D27-SOM1-EK1

This section provides the instructions to build the components for running Linux on the SAMA5D27-SOM1-EK1 board. This setup is configured to boot from the microSD card slot which leaves the standard SD card slot open for the ATWILC1000 SDIO board.

In this section the buildroot is used as the build system to build the SD Card image. By considering its simplicity, efficiency and easiness to generate embedded linux systems through cross-compilation is then reason for the selection of buildroot framework. Microchip’s linux4sam website provide the source code for the buildroot and another external microchip repository which contain necessary defconfig file through which we can benefit in configuring our buildroot to meet our requirement