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HighWire HW400c/2 User Reference Guide Rev 1.0
Appendix B U-Boot Environment variables
n source boot and debug firmware. A
U-boo
.de/wiki/bin/view/DULG/Manual
Das U-boot was created by Wolfgang Denk as an ope
complete t manual can be found at
http://www.denx .
ndix i s accessed by entering the
help
Note: ands m
d'
ootd - boot default, i.e., run 'bootcmd'
bootm - boot application image from memory
bootp - boot image via network using BootP/TFTP protocol
cmp - memory compare
coninfo - print console devices and information
cp - memory copy
cpld - Microwire EEPROM Access Subsystem
crc32 - checksum calculation
dcache - enable or disable data cache
docload - load boot image from disk-on-chip
echo - echo args to console
eeprom - EEPROM sub-system
erase - erase FLASH memory
flinfo - print FLASH memory information
fsinfo - print information about filesystems
fsload - load binary file from a filesystem image
go - start application at address 'addr'
help - print online help
icache - enable or disable instruction cache
icrc32 - checksum calculation
iloop - infinite loop on address range
imd - i2c memory display
iminfo - print header information for application image
imls - list all images found in flash
imm - i2c memory modify (auto-incrementing)
imw - memory write (fill)
inm - memory modify (constant address)
iprobe - probe to discover valid I2C chip addresses
itest - return true/false on integer compare
loadb - load binary file over serial line (kermit mode)
loads - load S-Record file over serial line
loop - infinite loop on address range
ls - list files in a directory (default /)
md - memory display
mm - memory modify (auto-incrementing)
This appe s a brief list of known U-boot environment variable
command or ? at the debug prompt.
Some comm ay not work on the SBE HW400c/2.
? - alias for 'help'
askenv - get environment variables from stdin
autoscr - run script from memory
base - print or set address offset
bdinfo - print Board Info structure
boot - boot default, i.e., run 'bootcm
b
October 10, 2006 Copyright 2006, SBE, Inc. Page 91