MOTLoad Firmware

Startup Sequence

 

 

Safe Start, whether invoked by hitting ESC on the console within the first five seconds following power-on reset or by setting the Safe Start jumper, interrupts the scan process. The user may then display the available boot images and select the desired image. The feature is provided to enable recovery in cases when the programmed Alternate Boot Image is no longer desired. The following output is an example of an interactive Safe Start:

ABCDEInteractive Boot Mode Entered boot> ?

Interactive boot commands:

'd':show directory of alternate boot images 'c':continue with normal startup

'q':quit without executing any alternate boot image

'r [address]':execute specified (or default) alternate image 'p [address]':execute specified (or default) POST image '?':this help screen

'h':this help screen boot> d

Addr FFE00000 Size 00100000 Flags 00000003 Name: MOTLoad

Addr FFD00000 Size 00100000 Flags 00000003 Name: MOTLoad boot> c NOPQRSTUVabcdefghijk#lmn3opqrsstuvxyzaWXZ

Copyright Motorola Inc. 1999-2004, All Rights Reserved MOTLoad RTOS Version 2.0, PAL Version 0.b EA02

...

MVME7100>

6.8Startup Sequence

The firmware startup sequence following reset of MOTLoad is to:

zInitialize cache, MMU, FPU, and other CPU internal items

zInitialize the memory controller

zSearch the active flash bank, possibly interactively, for a valid Power On Self Test (POST) image. If found, the POST images executes. Once completed, the POST image returns and startup continues.

zSearch the active flash bank, possibly interactively, for a valid USER boot image. If found, the USER boot image executes. A return to the boot block code is not anticipated.

zIf a valid USER boot image is not found, search the active flash bank, possibly interactively, for a valid Alternate MOTLoad boot image; anticipated to be an upgrade of alternate MOTLoad firmware. If found, the image is executed. A return to the boot block code is not anticipated.

zExecute the recovery image of the firmware in the boot block if no valid USER or alternate MOTLoad image is found

During startup, interactive mode may be entered by either setting the Safe Start jumper/switch or by sending an <ESC> to the console serial port within five seconds of the board reset. During interactive mode, the user has the option to display locations at which valid boot images were discovered, specify which discovered image is to be executed, or specify that the recovery image in the boot block of the active flash bank is to be executed.

98

MVME7100 Single Board Computer Installation and Use (6806800E08A)

Page 98
Image 98
Emerson MVME7100 manual MOTLoad Firmware Startup Sequence

MVME7100 specifications

The Emerson MVME7100 is a powerful and versatile embedded computing platform designed for demanding applications in various fields, including telecommunications, aerospace, and defense. It offers enhanced performance, a wide range of connectivity options, and robust security features, making it suitable for mission-critical operations.

One of the key features of the MVME7100 is its high-performance processing capabilities. The system is powered by a dual-core PowerPC processor that delivers exceptional computational power while maintaining energy efficiency. This makes the MVME7100 ideal for applications requiring intensive data processing and real-time analytics, allowing users to run complex algorithms and manage large datasets effectively.

The MVME7100 supports an extensive array of I/O options, which ensures compatibility with multiple peripheral devices and communication protocols. Users can take advantage of multiple serial ports, Ethernet interfaces, and USB connections. Additionally, the platform supports various fieldbus protocols, enabling seamless integration with existing systems and equipment.

In terms of ruggedness, the MVME7100 is designed to operate in challenging environments. It features a robust enclosure that can withstand extreme temperatures, shocks, and vibrations. This provides the reliability required for industrial applications, making it suitable for deployment in harsh conditions, such as manufacturing floors or remote locations.

Security is another critical aspect of the MVME7100. It incorporates advanced security measures, including secure boot and encryption capabilities, to protect sensitive data and ensure system integrity. These features are essential for applications in sectors like defense and aerospace, where cybersecurity is a top priority.

Moreover, the MVME7100 supports various operating systems, including VxWorks and Linux, providing flexibility for developers and engineers. This enables the use of popular software development tools and frameworks, facilitating faster application development and deployment.

In summary, the Emerson MVME7100 is a robust embedded computing solution that combines high performance, extensive connectivity, and exceptional reliability. Its versatile features make it suitable for a wide range of applications, ensuring that it meets the needs of industries where performance and security are paramount. Whether deployed in telecommunications, defense, or industrial automation, the MVME7100 stands out as a reliable choice for embedded computing challenges.