cp - memory copy
erase - erase FLASH memory
go - start application at address 'addr'
help - print online help
md - memory display
mm - memory modify (auto-incrementing)
mtest - simple RAM test
mw - memory write (fill)
nm - memory modify (constant address)
ping- send ICMP ECHO_REQUEST to network host
printenv- print environment variables
progmac - Set ethernet MAC addresses
reset - Perform RESET of the CPU
run - run commands in an environment variable
setenv- set environment variables 谢谢楼主的分享
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