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48
User Guide
COMe-bP5020
help Print command description/usage
i2c I2C subsystem
iminfo Print header information for application image
imxtract Extract a part of a multi-image
interrupts Enable or disable interrupts
irqinfo Print information about IRQs
itest Return true/false on integer compare
loadb Load binary file over serial line (kermit mode)
loads Load S-Record file over serial line
loady Load binary file over serial line (ymodem mode)
loop Infinite loop on address range
ls List files in a directory (default /)
md Memory display
mdio MDIO utility commands
mii MII utility commands
mm Memory modify (auto-incrementing address)
mmc MMC sub system
mmcinfo Display MMC info
mtdparts Define flash/nand partitions
mtest Simple RAM read/write test
mw Memory write (fill)
nand NAND subsystem
nboot Boot from NAND device
nfs Boot image via network using NFS protocol
nm Memory modify (constant address)
pci List and access PCI Configuration Space
ping Send ICMP ECHO_REQUEST to network host
printenv Print environment variables
reginfo Print register information
reset Perform RESET of the CPU
run Run commands in an environment variable
sata SATA sub-system
saveenv Save environment variables to persistent storage
saves Save S-Record file over serial line
setenv Set environment variables
setexpr Set environment variable as the result of eval expression
sf SPI flash subsystem
showvar Print local hushshell variables
sleep Delay execution for some time
source Run script from memory
test Minimal test like /bin/sh
tftpboot Boot image via network using TFTP protocol
true Do nothing, successfully
ubi ubi commands
ubifsload Load file from an UBIFS filesystem
ubifsls List files in a directory
ubifsmount Mount UBIFS volume
ubifsumount Unmount UBIFS volume
usb USB sub-system
usbboot Boot from USB device
version Print monitor, compiler and linker version
Table 41: Standard U- Boot Commands Configured for the COMe-bP5020 (cont’d)
COMMAND DESCRIPTION
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