The DENX U-Boot and Linux Guide (DULG) for canyonlands
Table of contents:
- 1. Abstract
- 2. Introduction
- 3. Embedded Linux Development Kit
- 3.1. ELDK Availability
- 3.2. ELDK Getting Help
- 3.3. Supported Host Systems
- 3.4. Supported Target Architectures
- 3.5. Installation
- 3.6. Working with ELDK
- 3.7. Mounting Target Components via NFS
- 3.8. Rebuilding ELDK Components
- 3.9. ELDK Packages
- 3.10. Rebuilding the ELDK from Scratch
- 3.11. Notes for Solaris 2.x Host Environment
- 4. System Setup
- 5. Das U-Boot
- 5.1. Current Versions
- 5.2. Unpacking the Source Code
- 5.3. Configuration
- 5.4. Installation
- 5.5. Tool Installation
- 5.6. Initialization
- 5.7. Initial Steps
- 5.8. The First Power-On
- 5.9. U-Boot Command Line Interface
- 5.9.1. Information Commands
- 5.9.2. Memory Commands
- 5.9.2.1. base - print or set address offset
- 5.9.2.2. crc32 - checksum calculation
- 5.9.2.3. cmp - memory compare
- 5.9.2.4. cp - memory copy
- 5.9.2.5. md - memory display
- 5.9.2.6. mm - memory modify (auto-incrementing)
- 5.9.2.7. mtest - simple RAM test
- 5.9.2.8. mw - memory write (fill)
- 5.9.2.9. nm - memory modify (constant address)
- 5.9.2.10. loop - infinite loop on address range
- 5.9.3. Flash Memory Commands
- 5.9.4. Execution Control Commands
- 5.9.5. Download Commands
- 5.9.5.1. bootp - boot image via network using BOOTP/TFTP protocol
- 5.9.5.2. dhcp - invoke DHCP client to obtain IP/boot params
- 5.9.5.3. loadb - load binary file over serial line (kermit mode)
- 5.9.5.4. loads - load S-Record file over serial line
- 5.9.5.5. rarpboot- boot image via network using RARP/TFTP protocol
- 5.9.5.6. tftpboot- boot image via network using TFTP protocol
- 5.9.6. Environment Variables Commands
- 5.9.7. Flattened Device Tree support
- 5.9.7.1. fdt addr - select FDT to work on
- 5.9.7.2. fdt list - print one level
- 5.9.7.3. fdt print - recursive print
- 5.9.7.4. fdt mknode - create new nodes
- 5.9.7.5. fdt set - set node properties
- 5.9.7.6. fdt rm - remove nodes or properties
- 5.9.7.7. fdt move - move FDT blob to new address
- 5.9.7.8. fdt chosen - fixup dynamic info
- 5.9.8. Special Commands
- 5.9.9. Storage devices
- 5.9.10. Miscellaneous Commands
- 5.10. U-Boot Environment Variables
- 5.11. U-Boot Scripting Capabilities
- 5.12. U-Boot Standalone Applications
- 5.13. U-Boot Image Formats
- 5.14. U-Boot Advanced Features
- 6. Embedded Linux Configuration
- 7. Booting Embedded Linux
- 8. Building and Using Modules
- 9. Advanced Topics
- 10. Debugging
- 11. Simple Embedded Linux Framework
- 12. Books, Mailing Lists, Links, etc.
- 12.1. Application Notes
- 12.2. Further Reading
- 12.2.1. Upstreaming
- 12.2.2. License Issues
- 12.2.3. Linux kernel
- 12.2.4. General Linux / Unix programming
- 12.2.5. Network Programming
- 12.2.6. C++ programming
- 12.2.7. Java programming
- 12.2.8. Internationalization And Character Sets
- 12.2.9. ARM Architecture Programming
- 12.2.10. Power Architecture® Programming
- 12.2.11. Embedded Topics
- 12.3. Mailing Lists
- 12.4. Links
- 12.5. Tools
- 13. Appendix
- 14. FAQ - Frequently Asked Questions
- 14.1. ELDK
- 14.1.1. ELDK Installation under FreeBSD
- 14.1.2. ELDK Installation Hangs
- 14.1.3. .gvfs: Permission Denied
- 14.1.4. Installation on Local Harddisk
- 14.1.5. System Include Files Missing
- 14.1.6. patch: command not found
- 14.1.7. ELDK Include Files Missing
- 14.1.8. Using the ELDK on a 64 bit platform
- 14.1.9. GDB Problems with BDI2000/BDI3000 on e500 Cores
- 14.1.10. How can I check if Floating Point support is working?
- 14.1.11. ELDK 2.x Installation Aborts
- 14.1.12. Enable SSH Access
- 14.2. U-Boot
- 14.2.1. Can U-Boot be configured such that it can be started in RAM?
- 14.2.2. Relocation cannot be done when using -mrelocatable
- 14.2.3. Source object has EABI version 4, but target has EABI version 0
- 14.2.4. U-Boot crashes after relocation to RAM
- 14.2.5. Warning - bad CRC, using default environment
- 14.2.6. Net: No ethernet found
- 14.2.7. Wrong debug symbols after relocation
- 14.2.8. Decoding U-Boot Crash Dumps
- 14.2.9. Porting Problem: cannot move location counter backwards
- 14.2.10. U-Boot Doesn't Run after Upgrading my Compiler
- 14.2.11. How Can I Reduce The Image Size?
- 14.2.12. Erasing Flash Fails
- 14.2.13. Ethernet Does Not Work
- 14.2.14. Where Can I Get a Valid MAC Address from?
- 14.2.15. Why do I get TFTP timeouts?
- 14.2.16. Why is my Ethernet operation not reliable?
- 14.2.17. How the Command Line Parsing Works
- 14.2.18. How can I load and uncompress a compressed image
- 14.2.19. How can I create an uImage from a ELF file
- 14.2.20. My standalone program does not work
- 14.2.21. Linux hangs after uncompressing the kernel
- 14.2.22. How can I implement automatic software updates?
- 14.3. Linux
- 14.3.1. Linux crashes randomly
- 14.3.2. Linux crashes when uncompressing the kernel
- 14.3.3. Linux Post Mortem Analysis
- 14.3.4. Linux kernel register usage
- 14.3.5. Linux Kernel Ignores my bootargs
- 14.3.6. Cannot configure Root Filesystem over NFS
- 14.3.7. Linux Kernel Panics because "init" process dies
- 14.3.8. Unable to open an initial console
- 14.3.9. System hangs when entering User Space (ARM)
- 14.3.10. Mounting a Filesystem over NFS hangs forever
- 14.3.11. Ethernet does not work in Linux
- 14.3.12. Loopback interface does not work
- 14.3.13. Linux kernel messages are not printed on the console
- 14.3.14. Linux ignores input when using the framebuffer driver
- 14.3.15. How to switch off the screen saver and the blinking cursor?
- 14.3.16. BogoMIPS Value too low
- 14.3.17. Linux Kernel crashes when using a ramdisk image
- 14.3.18. Ramdisk Greater than 4 MB Causes Problems
- 14.3.19. Combining a Kernel and a Ramdisk into a Multi-File Image
- 14.3.20. Adding Files to Ramdisk is Non Persistent
- 14.3.21. Kernel Configuration for PCMCIA
- 14.3.22. Configure Linux for PCMCIA Cards using the Card Services package
- 14.3.23. Configure Linux for PCMCIA Cards without the Card Services package
- 14.3.24. Boot-Time Configuration of MTD Partitions
- 14.3.25. Use NTP to synchronize system time against RTC
- 14.3.26. Configure Linux for XIP (Execution In Place)
- 14.3.27. Use SCC UART with Hardware Handshake
- 14.3.28. How can I access U-Boot environment variables in Linux?
- 14.3.29. The =appWeb= server hangs *OR* /dev/random hangs
- 14.3.30. Swapping over NFS
- 14.3.31. Using NFSv3 for NFS Root Filesystem
- 14.3.32. Using and Configuring the SocketCAN Driver
- 14.3.33. Telnet / SSH (dropbear) server not working
- 14.4. Self
- 14.5. RTAI
- 14.6. BDI2000
- 14.7. Motorola LITE5200 Board
- 14.1. ELDK
- 15. Glossary
1. Abstract
This is the DENX U-Boot and Linux Guide to Embedded PowerPC, ARM and MIPS Systems. The document describes how to configure, build and use the firmware Das U-Boot (typically abbreviated as just "U-Boot") and the operating system Linux for Embedded PowerPC, ARM and MIPS Systems. The focus of this version of the document is on canyonlands boards. This document was generated at 19 Sep 2021 - 02:21.| 1. Abstract | 2. Introduction | ||||
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