SBL NULL

Table of Contents

• Introduction
• Supported Combinations
• Steps to Run the Example
• See Also
• Sample Output

Introduction

This is a bootloader which does SOC initializations and put all the cores in WFI. This example is what is referred to as the SOC initialization binary in SOC Initialization using the Binary Flashed in QSPI memory. The SBL NULL does not load any images on the cores. For more information on how this example is being used, refer SOC Initialization using the Binary Flashed in QSPI memory

Supported Combinations

Parameter	Value
CPU + OS	r5fss0-0 nortos
Toolchain	ti-arm-clang
Board	am273x-evm
Example folder	examples/drivers/boot/sbl_null

Steps to Run the Example

Since this is a bootloader and is used as a SOC initialization binary, the example will be run every time you boot an application using this example. It is generally run from a boot media (OSPI Flash, SD Card) unlike other examples which are usually loaded with CCS. Nevertheless, you can build this example like you do for the others using makefile or build it via CCS by importing as a project.

• When using CCS projects to build, import the CCS project for the required combination and build it using the CCS project menu (see Using SDK with CCS Projects).
• When using makefiles to build, note the required combination and build using make command (see Using SDK with Makefiles)
• Flash this bootloader by following steps mentioned in SOC Initialization using the Binary Flashed in QSPI memory

See Also

BOOTLOADER

Sample Output