Kontron SMARC-sAMX6i - Manual (Page 31)

SMARC-sAMX6i / Bootloader Operation
5.3 Standard U-Boot Commands
U-Boot is provided with a library of standard commands for which documentation is provided on the DENX website. Some
of the below listed standard commands have sub-groups which can be displayed when help for the main group command is
requested.
Where relevant, further information concerning the usage of standard commands is provided in this guide to assist users
in performing specific functions.
COMMAND DESCRIPTION
? Alias for 'help'
base Print or set address offset
bdinfo Print Board Info structure
bmp manipulate BMP image data
boot Boot default, i.e., run 'bootcmd'
bootd Boot default, i.e., run 'bootcmd'
bootelf Boot from an ELF image in memory
bootm Boot application image from memory
bootp Boot image via network using BOOTP/TFTP protocol
bootvx Boot vxWorks from an ELF image
clocks Display clocks
clrlogo Fill the boot logo area with black
cmp Memory compare
coninfo Print console devices and information
cp Memory copy
crc32 Checksum calculation
dcache enable or disable data cache
dhcp Boot image via network using DHCP/TFTP protocol
echo Echo args to console
editenv Edit environment variable
env Environment handling commands
exit Exit script
ext2load Load binary file from a Ext2 filesystem
ext2ls List files in a directory (default /)
false Do nothing, unsuccessfully
fatinfo Print information about filesystem
fatload Load binary file from a dos filesystem
fatls List files in a directory (default /)
fdt Flattened device tree utility commands
go Start application at address 'addr'
gpio input/set/clear/toggle gpio pins
grepenv search environment variables
help Print command description/usage
i2c I2C subsystem
icache enable or disable instruction cache
iminfo Print header information for application image
imxotp One-Time Programable sub-system for i.MX processors
imxtract Extract a part of a multi-image
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
mtest Simple RAM read/write test
mw Memory write (fill)
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
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