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HighWire HW400c/2 User Reference Guide Rev 1.0
5 LINUX ON THE H
The HW400c/2 uses an off the shelf 2.6.9 PPC Linux kernel distribution from Gentoo
W400C/2 AND HOST SYSTEM
(
www.gentoo.org) with some additional files added specific to the HW400c/2, and
with the GenericHDLC WAN stack enabled. The Gentoo Linux kernel may be
m.
e 14. The root file system for the HW400c/2 is installed on
to the
,
oss-
ronment on the host system.
The next few sections list the requirements and explains the processes required for
BE HighWire 400c/2 on a host Linux system.
ure your HW400c/2 and how to boot the Linux
ernel.
0
5.1 Host Hardwa
• Intel Pentium or compatible processor
• 64 Mbytes (or better) RAM
• 750 Mbytes available disk space
• Ethernet
delivered as a generic compressed archive that can be downloaded, or on a CD-ROM
available from SBE. The compressed image is the tar gzip (.tgz) format, the form
typically used for software obtained from the SBE website at http://www.sbei.co
To summarize, the Linux kernel for the HW400c/2 is installed on a host system that
also runs Linux. See Figur
the host system in the /opt/gentoo/ directory and must be made available
HW400c/2 board via NFS. After correctly configuring the network interface on the
HW400c/2 with U-boot (the Boot ROM program), the Gentoo Linux kernel is
downloaded to the HW400c/2 board using tftp. You can then boot the Linux kernel
which mounts the NFS root file system. The PPC version of the Gentoo Linux
distribution contains the necessary PPC architecture to allow the kernel and all
drivers to be compiled natively on the HW400c/2, eliminating the need to for a cr
compile development envi
installing Gentoo Linux for the S
Section 5.5 explains how to config
k
Figure 14. HW40 c/2 Network and System environment
re and Software Requirements
In order to install Gentoo Linux as a development environment on a host Linux
system, the host system must satisfy the following minimum requirements:
HW400c/2
U-boot
ASCII
terminal
Linux 2.6
Host System
Services:
nfs
PPC OS:
/opt/gentoo
N
etwork connection
tftp
bootp
Console port
9600 8n1
October 10, 2006 Copyright 2006, SBE, Inc. Page 67