Appendix B. U-Boot Configurable Commands


U-Boot has more than 60 configurable commands. These are summarized here in Table B-1 from a recent U-Boot snapshot. In addition to these are a large number of nonstandard commands, some of which depend on specific hardware or are experimental. For the complete and up-to-date listing, consult the source code. The commands are defined in the .../include/cmd_confdefs.h header file from the top-level U-Boot source directory.

Table B-1. U-Boot Configurable Commands

Command Set

Commands

CFG_CMD_BDI

bdinfo

CFG_CMD_LOADS

loads

CFG_CMD_LOADB

loadb

CFG_CMD_IMI

iminfo

CFG_CMD_CACHE

icache, dcache

CFG_CMD_FLASH

flinfo, erase, protect

CFG_CMD_MEMORY

md, mm, nm, mw, cp, cmp, crc, base, loop, mtest

CFG_CMD_NET

bootp, tftpboot, rarpboot

CFG_CMD_ENV

saveenv

CFG_CMD_KGDB

kgdb

CFG_CMD_PCMCIA

PCMCIA support

CFG_CMD_IDE

IDE hard disk support

CFG_CMD_PCI

pciinfo

CFG_CMD_IRQ

irqinfo

CFG_CMD_BOOTD

bootd

CFG_CMD_CONSOLE

coninfo

CFG_CMD_EEPROM

EEPROM read/write support

CFG_CMD_ASKENV

ask for environment variable

CFG_CMD_RUN

run command in environment variable

CFG_CMD_ECHO

echo arguments

CFG_CMD_I2C

I2C serial bus support

CFG_CMD_REGINFO

Register dump

CFG_CMD_IMMAP

IMMR dump support

CFG_CMD_DATE

Support for RTC, date/time, and so on.

CFG_CMD_DHCP

DHCP support

CFG_CMD_BEDBUG

Includes BedBug debugger

CFG_CMD_FDC

Floppy disk support

CFG_CMD_SCSI

SCSI support

CFG_CMD_AUTOSCRIPT

Autoscript support

CFG_CMD_MII

MII support

CFG_CMD_SETGETDCR

DCR support on 4xx

CFG_CMD_BSP

Board-specific functions

CFG_CMD_ELF

ELF (VxWorks) load/boot command

CFG_CMD_MISC

Miscellaneous functions, such as sleep

CFG_CMD_USB

USB support

CFG_CMD_DOC

Disk-on-chip support

CFG_CMD_JFFS2

JFFS2 support

CFG_CMD_DTT

Digital therm and thermostat

CFG_CMD_SDRAM

SDRAM DIMM SPD info printout

CFG_CMD_DIAG

Diagnostics

CFG_CMD_FPGA

FPGA configuration support

CFG_CMD_HWFLOW

RTS/CTS hardware flow control

CFG_CMD_SAVES

Saves S record dump

CFG_CMD_SPI

SPI utility

CFG_CMD_FDOS

Floppy DOS support

CFG_CMD_VFD

VFD support (TRAB)

CFG_CMD_NAND

NAND support

CFG_CMD_BMP

BMP support

CFG_CMD_PORTIO

Port I/O

CFG_CMD_PING

Ping support

CFG_CMD_MMC

MMC support

CFG_CMD_FAT

FAT support

CFG_CMD_IMLS

Lists all found images

CFG_CMD_ITEST

Integer (and string) test

CFG_CMD_NFS

NFS support

CFG_CMD_REISER

Reiserfs support

CFG_CMD_CDP

Cisco Discovery Protocol

CFG_CMD_XIMG

Loads part of multi-image

CFG_CMD_UNIVERSE

Tundra Universe support

CFG_CMD_EXT2

EXT2 support

CFG_CMD_SNTP

SNTP support

CFG_CMD_DISPLAY

Display support




Embedded Linux Primer(c) A Practical Real-World Approach
Embedded Linux Primer: A Practical Real-World Approach
ISBN: 0131679848
EAN: 2147483647
Year: 2007
Pages: 167

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