Appendix B, Boot command reference | Digi 9P 9360/9750 instruction

Appendix B

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U-Boot command reference

This chapter gives an overview of common used U-Boot commands. Detailed information can be found at:

http://www.denx.de/wiki/view/DULG/Manual?stickboard=tqm8xxl

To get to the U-Boot prompt press any key immediately after you have powered the target on or pressed reset. At the prompt type “help” or “?” to get an overview of the supported commands.

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Digi 9P 9360/9750 manual Appendix B, Boot command reference

Contents

LxNETES User’s Guide ConnectCore 9P 9360/9750 Page Page Page Contents Building the First Project Interfaces & Devices Appendix B Cross-development environment IntroductionOverview Example applications Linux kernel sourcesTemplate project What’s new in LxNETES 3.2? FeaturesGeneral features RTC Gpio This is a tip. It contains useful information about a topic Conventions used in this manual Acronyms and abbreviations System requirements RequirementsSystem Requirements/Prerequisites Optional but recommended components Disk space Tftp daemon Applications & Services NFS server JTAG-Booster N E T E S U s e r ’ s G u i d e Introduction Connecting host PC with development boardGetting Started Seyon Minicom Seyon Settings Connect power Test Ethernet configuration # ifconfig eth0 Installing LxNETES Guided Installation Manual Installation N u a l Installation Building the First Project Building the Default ProjectRun configure Run make Run make install Adding your own applications Application DevelopmentWriting applications Display Using C++Included example applications Proc/cpuinfo contents Debugging applications Choose the right architecture for your target Web server Boa Included pre-built applicationsShell applications busybox Telnet daemon utelnetd Embedded Qt Nano-X/microwindows Mem Useful applications Writing your own kernel modules What is a kernel module?Kernel Development Writing kernel modules Included Kernel modules Minimal Add the module to the build environmentBuilding and loading of kernel modules Advanced Topics Modifying the default project D i f y i n g t h e d e Fault p r o j e c t Building a custom project Introduction Boot processBoot Bank # 0 00000000 32 MB ConnectCore 9P 9360/9750 NAND-Flash Linux boot methods USB NOR Flash MMU Linux boot process V a n c e d T o p i c s Updating the Flash memory Passing arguments to the kernelAutomating the image download Updating a running system manually Updating a running system the easy way Write the image to Flash Download the new image file to RAMErase the Flash partition Root File System BootKernel Updating a corrupted system using a debugger Root File System Types Launch the kernel from RAM Set bootargs to be passed to the kernelDownload the kernel to RAM via Tftp JFFS2 Copy the kernel to RAM O t F i l e S y s t e m T y p e s N E T E S U s e r ’ s G u i d e Serial interface Interfaces & Devices LCD interface USB host interfaceI2C interface SPI interface Real time clock RTC How to set the initial system date and timeCompact flash interface SD card interface PCI interface Related documentation CD contentsAppendix a Docs Images Install.shReadme.txt RelNotes.txt Hardware SetupConnectCore 9P 9360 CC9P9360 ConnectCore 9P 9750 CC9P9750 Sdram memory layout Memory layoutsFlash memory layout ConnectCore 9P 9360 / ConnectCore 9P Textbase N E T E S U s e r ’ s G u i d e Appendix B Boot command reference O o t c o m m a n d r e f e r e n c e Skipped CC9C CCXP270 UNC90 Example A9M24x0 User keys