Eurotech VIPER Manuel d'instructions
VIPER / VIPER-Lite
AEL Embedded Linux
Development Kit
Quickstart Manual
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart
ISO 9001
FM12961
Disclaimer
The information in this manual has been carefully checked and is believed to be accurate. Eurotech Ltd assumes no
responsibility for any infringements of patents or other rights of third parties, which may result from its use.
Eurotech Ltd assumes no responsibility for any inaccuracies that may be contained in this document. Eurotech Ltd makes
no commitment to update or keep current the information contained in this manual.
Eurotech Ltd reserves the right to make improvements to this document and/or product at any time and without notice.
Warranty
This product is supplied with a 3 year limited warranty. The product warranty covers failure of any Eurotech Ltd
manufactured product caused by manufacturing defects. The warranty on all third party manufactured products utilised by
Eurotech Ltd is limited to 1 year. Eurotech Ltd will make all reasonable effort to repair the product or replace it with an
identical variant. Eurotech Ltd reserves the right to replace the returned product with an alternative variant or an equivalent
fit, form and functional product. Delivery charges will apply to all returned products. Please check www.eurotech-ltd.co.uk for
information about Product Return Forms.
Trademarks
Linux is a registered trademark of Linus Torvalds.
RedBoot, Fedora and Red Hat are registered trademarks of Red Hat Inc. This product contains a copy of the installation
media for the Fedora Core Linux distribution. This media is not a product of Red Hat, Inc. or the Fedora project and is not
endorsed by Red Hat, Inc. or the Fedora project. It is a product of Eurotech Ltd and we have no relationship with Red Hat,
Inc. or the Fedora project. The media is identical in every respect to the standard Fedora Core install media.
ARM and StrongARM are registered trademarks of ARM Ltd.
Intel and XScale are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and
other countries.
CompactFlash is the registered trademark of SanDisk Corp.
All other trademarks and copyrights referred to are the property of their respective owners.
This product includes software developed by the University of California, Berkeley and its contributors.
All other trademarks recognised.
Revision History
Manual PCB Date Comments
Issue A 18th Aug 2006 First release of manual.
Issue B 25th Sep 2006 Update for Development Kit’s Ethernet cable contents and
corresponding changes.
Issue C 16th October 2007 Minor updates, Eurotech Ltd rebranding.
© 2007 Eurotech Ltd.
For contact details, see page 31.
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart Contents
© 2007 Eurotech Ltd Issue C 3
Contents
Introduction........................................................................................................................................4
Handling your board safely....................................................................................................4
About this manual..............................................................................................................................5
Related documents................................................................................................................5
Conventions...........................................................................................................................6
Getting started ...................................................................................................................................7
What’s in the kit?....................................................................................................................7
What else do I need?.............................................................................................................8
What peripherals are supported?...........................................................................................9
Unpacking and connecting up..........................................................................................................10
Power supply ...................................................................................................................................13
RedBoot...........................................................................................................................................14
What is RedBoot?................................................................................................................14
AEL Embedded Linux......................................................................................................................16
What’s in AEL Embedded Linux?.........................................................................................16
Booting the system ..............................................................................................................16
Logging in............................................................................................................................17
Setting up networking ..........................................................................................................18
The file system.....................................................................................................................19
Linux kernel .........................................................................................................................20
Hardware configuration........................................................................................................21
Software configuration.....................................................................................................................28
Examples for VIPER / VIPER-Lite ...................................................................................................29
Target support software ...................................................................................................................30
Appendix A – Contacting Eurotech Ltd ............................................................................................31
Index................................................................................................................................................32
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart Introduction
© 2007 Eurotech Ltd Issue C 4
Introduction
The VIPER / VIPER-Lite is an ultra low power PC/104 form-factor single board
computer based on the Intel 400MHz PXA255 (VIPER) or 200MHz PXA255
(VIPER-Lite) XScale processor. The PXA255 is an implementation of the Intel XScale
micro-architecture combined with a comprehensive set of integrated peripherals
including:
• Flat panel graphics controller.
• Interrupt controller.
• Real time clock (RTC).
• Multiple serial ports.
The VIPER / VIPER-Lite board offers many features that make it ideal for power-
sensitive embedded communications and multimedia applications.
The AEL Embedded Linux Development Kit provides a ready-to-run platform for Linux
application development and deployment. AEL Embedded Linux is based on the
standard v2.6 kernel and has been configured to load and run from embedded Flash
memory.
Handling your board safely
Anti-static handling
The SBC and other circuit boards contain CMOS devices. These could be damaged in
the event of static electricity being discharged through them. Please observe anti-static
precautions at all times when handling circuit boards. This includes storing boards in
appropriate anti-static packaging and wearing a wrist strap when handling them.
Packaging Should a board need to be returned to Eurotech Ltd, please ensure that it is
adequately packed, preferably in the original packing material.
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart About this manual
© 2007 Eurotech Ltd Issue C 5
About this manual
This manual gets you started using the VIPER / VIPER-Lite with RedBoot and AEL
Embedded Linux. It lists the items you should find in your kit, and tells you how to
unpack, connect and configure the board.
AEL Embedded Linux for VIPER / VIPER-Lite is based on the standard v2.6 kernel and
includes the essential features for embedded communication and display solutions.
Eurotech Ltd includes dedicated drivers for the on-board hardware and uses the
embedded Flash memory to store applications.
Related documents
Manuals that you may need are provided in the \manuals section on the CD-ROM that
accompanies your Development Kit. These include the VIPER / VIPER-Lite Technical
Manual, the AEL Embedded Linux Technical Manual and the HOWTO documents.
Most of the HOWTO documents relate to common Linux tasks. Others have been
written specifically for features on the VIPER / VIPER-Lite.
Detailed information aboutAEL Embedded Linux is provided in the AEL Embedded
Linux Technical Manual. The AEL Embedded Linux Technical manual includes
information about the following:
• Configuration files and boot scripts.
• Making an application run automatically at boot.
• AEL Embedded Linux contents and configuration.
• Installation.
• Example programs and utilities.
• Secure Shell (SSH).
• Compiling a kernel.
Please note that the AEL Embedded Linux Technical Manual is a generic manual for
AEL Embedded Linux supplied on Eurotech Ltd boards. As such, the AEL Embedded
Linux manual uses conventions and examples that may or may not be specific to your
board. It is advised that the AEL Embedded Linux manual be used in conjunction with
the instructions and information supplied in the Quickstart and Technical manuals for
your board.
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart About this manual
© 2007 Eurotech Ltd Issue C 6
Conventions
Symbols The following symbols are used in this guide:
Symbol Explanation
Note - information that requires your attention.
Tip - a handy hint that may provide a useful alternative or save time.
Caution - proceeding with a course of action may damage your
equipment or result in loss of data.
Indicates that a feature is not available on the standard VIPER-Lite
configuration. Eurotech Ltd can provide custom configurations (subject
to a minimum order quantity) for the VIPER-Lite populated with this
feature. Please contact our Sales team (see AppendixA – Contacting
Eurotech Ltd, page 31) to discuss your requirements.
Typographical conventions
This manual contains examples of commands that you can enter. These are shown as
follows:
$make install DESTDIR=/tmp/target-install
The initial symbol ($ in this case) indicates the prompt that the command is for, and
should not be typed.
The prompts used are explained in the following table:
Prompt Explanation
$ Linux (bash shell) as a regular user.
# Linux (bash shell) as root.
RedBoot> RedBoot command line.
Different fonts are used throughout the manual to identify different types of information,
as follows:
Font Explanation
Italics Parts of a command that should be substituted with appropriate
values.
Bold Information that you enter yourself.
Screen text Information that is displayed on screen.
V
L
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart Getting started
© 2007 Eurotech Ltd Issue C 7
Getting started
What’s in the kit?
The VIPER / VIPER-Lite Development Kit includes:
• VIPER-M64-F32, VIPERL-M64-F32 or VIPERL-M64-F16.
• Optional GPIO based VIPER-I/O board (technical manual included on CD)*.
• Standard serial port breakout cable (up to five ports).
• RS-232 serial cable (2m).
• RS-232 null modem adapter.
• Flat panel display cable.
• VIPER FPIF-CRT (breakout assembly with standard CRT socket).
• Ethernet breakout assembly with standard RJ45 socket.
• Ethernet crossover cable.
• GPIO cable with un-terminated ends.
• Reset switch.
• +5V @ 4A max (100-240 VAC input) power supply.
• PC/104 mounting pillars (two sets).
• Development Kit support and installation CD.
• Fedora Core 5 installation DVD1.
• AEL Embedded Linux Technical Manual (on CD).
• USB breakout cable.
• Audio breakout cable.
* Development Kit option
1fedora.redhat.com/
VL
VL
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart Getting started
© 2007 Eurotech Ltd Issue C 8
What else do I need?
An x86 Linux system compliant with version 1.3 of the Linux Standard Base2is
required for the AEL Embedded Linux host environment. Suitable systems include PCs
with Debian GNU/Linux, RedHat Linux, Fedora Core or SUSE Linux. The Fedora Core
installation DVD is supplied for this purpose.
In addition, the following information and equipment may be useful:
• Networking details for the VIPER. If your network does not have a DHCP server,
ask your network or system administrator for the following:
- IP address and subnet mask (netmask).
- Default gateway IP address (if required).
- Name server (DNS) IP address (optional).
• Networking details for the host machine.
• Standard Ethernet cable to connect VIPER / VIPER-Lite to a switch or hub.
Alternatively, for standalone systems, the board can be connected directly to your
host machine using the crossover cable provided in the Development Kit.
For more information on setting up a network connection, see the section Setting up
networking, page 18.
2www.linuxbase.org
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart Getting started
© 2007 Eurotech Ltd Issue C 9
What peripherals are supported?
The following peripherals/features are supported in this release:
• Five UARTs, COM1 through COM5, including the processor’s internal FFUART,
BTUART and STUART. The VIPER-Lite is only fitted with three COM ports.
• On-board Flash array.
• CompactFlash+.
• Ethernet interface.
• A variety of flat panels running with screen resolutions of 320 x 240 or 640 x 480.
• Power management.
• GPIO.
• Real time clock.
• SRAM.
• USB client.
• Audio codec.
• PC/104 bus. Drivers are available for a range of Eurotech Ltd and third party
PC/104 boards.
• USB host controller.
• RS-422 and RS-485 serial port support.
VL
VL
VL
VL
VIPER / VIPER-Lite AEL Embedded Linux Dev. Kit Quickstart Unpacking and connecting up
© 2007 Eurotech Ltd Issue C 10
Unpacking and connecting up
This section guides you, step-by-step, through the process of connecting up the
VIPER / VIPER-Lite for the first time and powering up the system. The VIPER /
VIPER-Lite is delivered ready to run. There are no link settings or configuration
switches that need to be adjusted for the board to operate.
A number of the components are static-sensitive, so standard anti-static
precautions must be taken during use. For more information, see Anti-static
handling, page 4.
If you follow the procedure described below, the board powers up automatically and
loads the RedBoot boot loader from the on-board Flash array. At this point you can
interrupt the boot process, if you wish, and access the Redboot command prompt. If
you do not interrupt the normal boot sequence, after a 1 second pause, the system
continues to load and boot AEL Embedded Linux.
To power up the VIPER / VIPER-Lite and boot AEL Embedded Linux, follow these
steps:
1Remove the VIPER / VIPER-Lite board and all other cables from its packaging. If it
shows any signs of damage during transit, please contact Eurotech Ltd before
proceeding.
Power/Reset input
GPIO heade
r
USB heade
r
LCD
A
udio
Ethernet LED
cable
Ethernet data
cable
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