SBE HighWire HW400c/2 - Manual (Page 92)

HighWire HW400c/2 User Reference Guide Rev 1.0
5.5.2 Booting with tftp
m. If a static IP
dress is not assigned to the HW400c/2 through the boot console, a bootp server
may also be necessary. The bootp server, tftp server, and the NFS server functions
5.5.2.1 U-boot pa
The following example shows U-boot parameters necessary for a tftp download and
boot using a IP address obtained from a bootp server. The bootp server will assign an
ay IP address, and a boot file image name from its bootptab.
Ass listed in
the printenv the unused IP
add d confusion and show that they are not in use.
# d
,9600n8 ip=bootp nfsroot=/opt/gentoo \
ot=/dev/nfs rw
rverip=0.0.0.0
tewayip=0.0.0.0
tmask=255.255.255.0
din=serial
dout=serial
stderr=serial
Tftp boot requires a tftp boot server and an NFS mounted file syste
ad
may or may not be the same machine.
rameters for tftp with bootp
IP address, a gatew
ignments are based on the HW400c/2’s MAC address. The IP addresses
(from non-volatile memory) are ignored. Here dump
resses are set to 0.0.0.0 to avoi
ebug> printenv
bootargs=console=ttyMM0
ro
bootcmd=bootp; bootm
bootdelay=5
baudrate=9600
ethaddr=00:a0:d6:12:34:56
ipaddr=0.0.0.0
se
ga
ne
st
st
ethact=mv_enet0
Environment size: 288/4092 bytes
October 10, 2006 Copyright 2006, SBE, Inc. Page 80