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Linux VME Howto

John Huggins and Michael Wyrick, vmelinux@va.net

$Revision: 1.16 $, $Date: 2002/02/12 17:57:37 $

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This document came about to show the embedded system community how to run Linux on their VMEbus Pentium and other PCI local bus based VMEbus processor designs. The latest version is always available at Linux VME HOWTO.

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1. Introduction

• 1.1 Knowledge Required
• 1.2 Why use Linux on VMEbus systems?
• 1.3 Purpose
• 1.4 Feedback
• 1.5 VMELinux Revision History
• 1.6 Copyright/Distribution

2. Installation of the VMELinux Kernel Driver

• 2.1 Download the Source
• 2.2 Install the source to the software
• 2.3 Compile the VMELinux components
• 2.4 Load the VMELinux Kernel Module
• 2.5 Difficulties

3. How to talk to the VMEbus with the VMEUtils and the VMEShell Packages

• 3.1 What is the VMEUtils program
• 3.2 What are the VMEShell Scripts
• 3.3 The "vmemap" command.
• 3.4 Read Byte, Word or Long
• 3.5 Write Byte, Word or Long
• 3.6 Read the VMEbus to a file
• 3.7 Write a file to the VMEbus
• 3.8 Parameters
• 3.9 Options
• 3.10 A Note about DMA mode.

4. How to talk to the Tundra Universe PCI-VME bridge using the devices drivers.

• 4.1 The device drivers used with VMELinux
• 4.2 VMEMaster Device Drivers
• 4.3 VMESlave Device Drivers
• 4.4 Direct Control of the Universe Registers
• 4.5 read()
• 4.6 write()
• 4.7 lseek()
• 4.8 ioctl()
• 4.9 open() and close()

5. Advantages of the VMEbus, Linux and VMELinux

• 5.1 Pin and socket connectors
• 5.2 Eurocard assembly
• 5.3 Linux is Low Cost
• 5.4 Linux is Stable
• 5.5 Linux is Dynamic

6. Current and planned Board Support

• 6.1 Xycom XVME655 Pentium VMEbus Board
• 6.2 XyCom XVME656 Pentium VMEBus Board
• 6.3 Dynatem DPC1-0367
• 6.4 SBS/Or Computer VP7
• 6.5 DY4 179, A Power PC board
• 6.6 Planned Board Support

7. Other "Linux on VME" Projects

• 7.1 Project List
• 7.2 Major Device Numbers

8. Conclusion

9. FAQ

• 9.1 The Shell utilities return a bunch of stars (*) when I access a board I know is there. What gives?
• 9.2 The Shell utilities still return a bunch of stars (*) when I access a board I know is there. Now what?
• 9.3 The Shell utilities still return a bunch of stars (*) when I access a board I know is there. HELP?
• 9.4 How does VMELinux handle interrupts?
• 9.5 I have RedHat 5.1 and can't get VMELinux programs to compile.
• 9.6 I have RedHat 6.x so I assume the above issue is fixed. Right?
• 9.7 When will your ca91c042 Tundra Universe driver support the 2.4 kernels?
• 9.8 Hey! The Universe II has eight master and eight slave images. You support four each. Why?
• 9.9 How can we contribute to your VME-LINUX working group?

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