MPL MCDISK-E Manual de usuario

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U-Boot for MPL SBC
User Manual
2003 by MPL AG
1
MEH-10082-002 Rev. D
High-Tech • Made in Switzerland
U-Boot Bootloader for MPL Single Board Computer
The U-Boot is the bootloader of the MPL Single Board Computers PIP405, MIP405, MIP405T and the VCMA9. Its main
purpose is to initialize the hardware, set-up the SDRAM and boot a kernel image. But it acts also as monitor and has
build in a lot of useful functions such as memory dump, memory write etc. It allows to update the U-Boot without having
to boot an operating system.
With the permanently storable environment variables U-Boot is highly configurable, so the boot device, the initial console
interface, boot parameters etc. are configurable.
The U-Boot is an open source project. The source is available on http://u-boot.sourceforge.net/ . Please refer to its
documentation for further information.
The U-Boot is closely related to the Linux and special provision has been made to support booting of Linux kernel
images.
Features
Power On Self Test (POST)
Various boot device support such as:
Ethernet
USB
IDE Devices
SCSI Devices
ATAPI Devices
Floppy Disk
Easy U-Boot update
Highly configurable via permanently storable
environment variables.
Initial console configurable as serial line or
VGA/Keyboard.
Supports booting of compressed (gzip) kernel
images.
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Indice de contenidos

Pagina 1 - User Manual

U-Boot for MPL SBCUser Manual 2003 by MPL AG1MEH-10082-002 Rev. DHigh-Tech • Made in SwitzerlandU-Boot Bootloader for MPL Single Board ComputerThe U-

Pagina 2 - Table of contents

U-Boot for MPL SBCUser Manual 2003 by MPL AG10MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.3 bootd - boot default, i.e run ‘bootcmd’Abbrev

Pagina 3

U-Boot for MPL SBCUser Manual 2003 by MPL AG11MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.5 bootp - boot image via network using BOOTP/TF

Pagina 4 - 1. Introduction

U-Boot for MPL SBCUser Manual 2003 by MPL AG12MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.9 crc32 - checksum calculationThe crc32 command

Pagina 5

U-Boot for MPL SBCUser Manual 2003 by MPL AG13MEH-10082-002 Rev. DHigh-Tech • Made in SwitzerlandBooting from a CD-ROM is slightly different, since C

Pagina 6 - 3. Using U-Boot

U-Boot for MPL SBCUser Manual 2003 by MPL AG14MEH-10082-002 Rev. DHigh-Tech • Made in SwitzerlandYou can also use sector address to erase a portion o

Pagina 7

U-Boot for MPL SBCUser Manual 2003 by MPL AG15MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.20 ide - IDE sub-systemThe IDE subsystem is con

Pagina 8

U-Boot for MPL SBCUser Manual 2003 by MPL AG16MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.22 iminfo - print header information for applic

Pagina 9

U-Boot for MPL SBCUser Manual 2003 by MPL AG17MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.25 md - memory displayDisplays the memory conte

Pagina 10

U-Boot for MPL SBCUser Manual 2003 by MPL AG18MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.28 mw - memory write (fill)The memory write com

Pagina 11

U-Boot for MPL SBCUser Manual 2003 by MPL AG19MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.30 nboot - boot from NAND deviceUsed to load th

Pagina 12

U-Boot for MPL SBCUser Manual 2003 by MPL AG2MEH-10082-002 Rev. DHigh-Tech • Made in SwitzerlandTable of contents1. INTRODUCTION...

Pagina 13

U-Boot for MPL SBCUser Manual 2003 by MPL AG20MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.33 printenv- print environment variablesAbbrevi

Pagina 14

U-Boot for MPL SBCUser Manual 2003 by MPL AG21MEH-10082-002 Rev. DHigh-Tech • Made in SwitzerlandFFC50000 RO FFC60000 RO FFC70000 RO FFC80000 RO FFC9

Pagina 15

U-Boot for MPL SBCUser Manual 2003 by MPL AG22MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.38 saveenv - save environment variables to pers

Pagina 16

U-Boot for MPL SBCUser Manual 2003 by MPL AG23MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.42 tftpboot- boot image via network using TFTP

Pagina 17

U-Boot for MPL SBCUser Manual 2003 by MPL AG24MEH-10082-002 Rev. DHigh-Tech • Made in Switzerlandusb tree shows all the USB devices in a tree structu

Pagina 18

U-Boot for MPL SBCUser Manual 2003 by MPL AG25MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.44 usbboot - boot from USB deviceBooting from U

Pagina 19

U-Boot for MPL SBCUser Manual 2003 by MPL AG26MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.4 U-Boot Environment VariablesOne of the powerful

Pagina 20

U-Boot for MPL SBCUser Manual 2003 by MPL AG27MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.4.5 Automatically updated Variablesfilesizecontai

Pagina 21

U-Boot for MPL SBCUser Manual 2003 by MPL AG28MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.5 Procedures3.5.1 Updating the bootloaderTo updat

Pagina 22

U-Boot for MPL SBCUser Manual 2003 by MPL AG29MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.5.2 Programming a kernel image into the flashThe

Pagina 23

U-Boot for MPL SBCUser Manual 2003 by MPL AG3MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3.45 pip405/mip405/vcma9 - Board specific Cmds...

Pagina 24

U-Boot for MPL SBCUser Manual 2003 by MPL AG30MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.5.2.3 Write the image into the flashOn MIP405/PIP

Pagina 25

U-Boot for MPL SBCUser Manual 2003 by MPL AG31MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.5.3 Console assignmentThe default console is the

Pagina 26

U-Boot for MPL SBCUser Manual 2003 by MPL AG32MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.5.3.2 Working with an USB KeyboardTo use an USB k

Pagina 27

U-Boot for MPL SBCUser Manual 2003 by MPL AG33MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.5.4 Creating bootable kernel imagesThis chapter e

Pagina 28

U-Boot for MPL SBCUser Manual 2003 by MPL AG34MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.5.5 Creating a new U-Boot ImageProvided that you

Pagina 29

U-Boot for MPL SBCUser Manual 2003 by MPL AG35MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland4. Support Information4.1 U-Boot projectThe U-Boot p

Pagina 30

U-Boot for MPL SBCUser Manual 2003 by MPL AG36MEH-10082-002 Rev. DHigh-Tech • Made in SwitzerlandCOPYRIGHT AND REVISION HISTORYCopyright  2003 by M

Pagina 31

U-Boot for MPL SBCUser Manual 2003 by MPL AG4MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland1. Introduction1.1 About this manualThis manual give

Pagina 32

U-Boot for MPL SBCUser Manual 2003 by MPL AG5MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland2. General Information and SpecificationsThis chapte

Pagina 33

U-Boot for MPL SBCUser Manual 2003 by MPL AG6MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3. Using U-BootThis section describes the generally u

Pagina 34

U-Boot for MPL SBCUser Manual 2003 by MPL AG7MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.2 U-Boot Command Interface3.2.1 Help systemIf you

Pagina 35 - 4. Support Information

U-Boot for MPL SBCUser Manual 2003 by MPL AG8MEH-10082-002 Rev. DHigh-Tech • Made in Switzerlandsleep - delay execution for some timetftpboot- boot i

Pagina 36

U-Boot for MPL SBCUser Manual 2003 by MPL AG9MEH-10082-002 Rev. DHigh-Tech • Made in Switzerland3.3 U-Boot CommandsFollowing chapters describes the m

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