Users Guide

u-Boot
All commands in this chapter are in u-Boot and are supported on the Dell Networking OS for S5000 platform.
To access this mode, press any key when the following line appears on the console during a system boot:
Hit any key to stop autoboot:
You enter u-Boot immediately, as indicated by the => prompt.
NOTE: This chapter describes only a few commands available in u-Boot.
NOTE: You cannot use the Tab key to complete commands in this mode.
Topics:
• printenv
• reset
• save
• syntax help
• boot selection
printenv
Display the current system boot variable and other system settings.
S5000
Syntax
printenv
Command Modes uBoot
Command
History
Version 9.0(1.0) Introduced on the S5000.
Example
=> printenv
baudrate=9600
uboot_filesize=0x80000
bootfile=FTOS-SC-1.2.0.0E3.bin
bootcmd=echo Booting primary bootline....;$primary_boot;boot;echo
Failed;echo Booting secondary bootline....;$secondary_boot;boot;echo
Failed;echo Booting default bootline....;$default_boot;boot;echo
Failed;echo
Rebooting...;reset
bootdelay=5
loads_echo=1
rootpath=/opt/nfsroot
hostname=unknown
loadaddr=640000
ftpuser=force10
ftppasswd=force10
uboot=u-boot.bin
tftpflash=tftpboot $loadaddr $uboot; protect off 0xfff80000 +$filesize;
erase 0x
fff80000 +$filesize; cp.b $loadaddr 0xfff80000 $filesize; protect on
0xfff80000
+$filesize; cmp.b $loadaddr 0xfff80000 $filesize
64
1612 u-Boot