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MOTLoad Firmware
Introduction
This chapter describes the basic features of the MOTLoad firmware
product, designed by Motorola as the next generation initialization,
debugger and diagnostic tool for high-performance embedded board
products using state-of-the-art system memory controllers and bridge
chips, such as the GT-64260B.
In addition to an overview of the product, this chapter includes a list of
standard MOTLoad commands and the default VME settings that are
changeable by the user, as allowed by the firmware.
Overview
The MOTLoad firmware package serves as a board power-up and
initialization package, as well as a vehicle from which user applications
can be booted. A secondary function of the MOTLoad firmware is to serve
in some respects as a test suite providing individual tests for certain
devices.
MOTLoad is controlled through an easy-to-use, UNIX-like, command line
interface. The MOTLoad software package is similar to many end-user
applications designed for the embedded market, such as the real time
operating systems currently available.
Refer to the MOTLoad Firmware Package User’s Manual, listed in
Appendix D, Related Documentation
, for more details.
MOTLoad Implementation and Memory Requirements
The implementation of MOTLoad and its memory requirements are
product specific. The MVME5500 single-board computer (SBC) is offered
with a wide range of memory (for example, DRAM, external cache, Flash).
Typically, the smallest amount of on-board DRAM that a Motorola SBC
has is 32MB. Each supported Motorola product line has its own unique