Artesyn COMX-P4080 Installation and Use (August 2014) - Manual (Page 84)

BSP Operations
COMX-P4080 COM Express Module Installation and Use (6806800L20C) 84
printenv [vn] Displays the value of the environment variable "vn".
If "vn" is not specified, U-Boot will display the values for all of the envi-
ronment variables.
setenv [vv] Sets the value of the environment variable "vn" to "vv". If "vv" is not spec-
ified, U-Boot will not define the environment variable "vn".
If "vv" includes spaces, it should be enclosed within single quote marks.
For example: setenv manufacturer ’Emerson Network
Power’
saveenv Saves all the environment variables persistently to the U-Boot env sec-
tion on NOR Flash.
run eraenv Erases all the environment variables stored in the U-Boot env section on
NOR Flash.

Protect off EFEE0000 +00020000; erase EFEE0000 +00020000
 Protect on EFEE0000 +00020000
A reset must be performed after "run eraenv".
tftpboot Downloads image through network using TFTP protocol.

tftpboot [loadAddress] [[hostlPaddr:]bootfilename]
 Exampe: tftpboot $loadaddr $ubootfile
bootm Boots application image from memory.

bootm [addr [arg ...]]
 Example: bootm $norbootaddr $norfsaddr $norfdtaddr
 Example: bootm $loadaddr - $fdtaddr
Table 7-1 Basic U-Boot Commands (continued)
Command Description