HighWire HW400c/2 User Reference Guide Rev 1.0
4.4.3 Reading BCM5388 Register......................................................................................65
4.4.4 Writing a BCM5388 Register....................................................................................65
5 Linux on the HW400c/2 and Host system.................................................................................67
5.1 Host Hardware and Software Requirements....................................................................... 67
5.2 Network and System Configuration....................................................................................68
5.3 Installing Linux on your host system.................................................................................. 68
5.4 Configuring the Host System..............................................................................................69
5.4.1 Modifying the Host Path........................................................................................... 69
5.4.2 Configuring the Host NFS Server............................................................................. 69
5.4.3 Configuring Host tftp services...................................................................................70
5.4.4 Configuring tftp with inetd........................................................................................71
5.4.5 Configuring tftp with xinetd......................................................................................73
5.4.6 Configuring a bootp Server....................................................................................... 74
5.5 Booting the HW400c/2....................................................................................................... 75
5.5.1 U-boot, Universal Bootloader....................................................................................76
5.5.1.1 U-boot commands .................................................................................................. 76
5.5.1.2 U-boot environment variables................................................................................ 77
5.5.1.3 Power up call trace................................................................................................. 79
5.5.2 Booting with tftp........................................................................................................80
5.5.2.1 U-boot parameters for tftp with bootp....................................................................80
5.5.2.2 U-boot parameters for tftp with static IP address................................................... 81
5.5.2.3 Boot console........................................................................................................... 81
5.5.3 Booting with Disk on Chip........................................................................................84
5.5.3.1 Loading the Disk on Chip.......................................................................................84
5.5.3.2 Creating a uRamdisk Image................................................................................... 85
5.5.3.3 Booting from DoC..................................................................................................85
5.6 Compiling the Kernel (uImage)..........................................................................................86
5.6.1 Gentoo Application Packages Management..............................................................87
5.6.1.1 Emerge....................................................................................................................87
5.6.1.2 Enable remote login with ssh............................................................................... 88
5.6.1.3 Starting network services; xinetd....................................................................... 88
5.6.1.4 Starting ftp services; vsftpd.............................................................................88
5.7 Linux Device Drivers..........................................................................................................89
Appendix A IPMI GetDeviceID........................................................................................90
Appendix B U-Boot Environment variables......................................................................91
October 10, 2006 Copyright 2006, SBE, Inc. Page viii