U-Boot のコマンドを知るには

Marvell>> help
?       - alias for 'help'
base    - print or set address offset
boot    - boot default, i.e., run 'bootcmd'
bootd   - boot default, i.e., run 'bootcmd'
boot end  .
bootm   - boot application image from memory
bootp   - boot image via network using BootP/TFTP protocol
bubt    - Burn an image on the Boot Flash.
cmp     - memory compare
cp      - memory copy
cpumap - Display CPU memory mapping settings.
crc32   - checksum calculation
date    - get/set/reset date & time
diskboot- boot from IDE device
echo    - echo args to console
erase   - erase FLASH memory
ext2load- load binary file from a Ext2 filesystem
ext2ls- list files in a directory (default /)
flinfo  - print FLASH memory information
go      - start application at address 'addr'
help    - print online help
ide     - IDE sub-system
loop    - infinite loop on address range
md      - memory display
micon -command(2byte hex) -data(witin 32byte hex)
mm      - memory modify (auto-incrementing)
mtest   - simple RAM test
mw      - memory write (fill)
nand    - NAND sub-system
nboot   - boot from NAND device
nm      - memory modify (constant address)
pci     - list and access PCI Configuraton Space
printenv- print environment variables
protect - enable or disable FLASH write protection
rarpboot- boot image via network using RARP/TFTP protocol
reset   - Perform RESET of the CPU
saveenv - save environment variables to persistent storage
setenv  - set environment variables
shutdown        - Poff .
tftpboot- boot image via network using TFTP protocol
version - print monitor version
Marvell>>

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