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First steps towards newer simpler per-arch web pages, which largely
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know about pci or usb cards? Instead of aging rotting unaccurate
lists of devices, the web page now points you to the pci(4) and usb(4)
pages. It will be easier to maintain the information in a high
quality form in one location.
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<h2><font color="#e00000">OpenBSD/landisk</font></h2>
<hr>
<a href="images/usl5p.jpg">
<img src="images/usl5p.jpg" width="306" height="422" align="right"></a>
OpenBSD/landisk runs on machines related to the
<a href="http://www.iodata.jp/prod/storage/hdd/2004/usl-5p/index.htm">
IO-DATA USL-5P</a>, using a
<a href="http://www.renesas.com">Hitachi/Renesas</a>
SH-4 CPU.<br>
This platform comes in a variety of models:
<ul>
<li>IO-DATA USL-5P, using CF storage (Japan; as shown)
<li>IO-DATA HDL-U, HDL-AV, HDL-W and HDLM-U series (Japan)
<li>SuperTank LAN Tank (SOTO-HDLWU) (Japan)
<li>IO-DATA UHDL-160U and UHDL-300U (May be found in USA)
<li>Plextor PX-EH16L, PX-EH25L and PX-EH40L
</ul>
Note: The "Giga-landisk" and HDL-F machines are ARM-based
(both Intel XScale & Marvell) some of which<br>
are supported by the <a href="armish.html">armish</a>
architecture.
<p>
The current port maintainers are
Dale Rahn (<a href="mailto:drahn@openbsd.org">drahn@openbsd.org</a>),
and
Miod Vallat (<a href="mailto:miod@openbsd.org">miod@openbsd.org</a>).
Others are definitely welcome to contribute!
<a name="toc"></a>
<h3><font color="#0000e0"><i>Table of contents</i></font></h3>
<table width="80%"><tr>
<td width=5%></td>
<td valign="top" width="20%">
<li><a href="#history">History of the port</a><br>
<li><a href="#status">Current status</a><br>
<li><a href="#hardware">Supported hardware</a><br>
</td><td valign="top" width="20%">
<li><a href="#install">Getting and installing</a><br>
<li><a href="#projects">Projects & bugs left to fix</a><br>
<li><a href="#serial">Serial cable connection</a><br>
</td></tr></table>
<br clear=all>
<hr>
<a name="history"></a>
<h3><font color="#0000e0"><strong>History</strong></font></h3>
<p>
OpenBSD/landisk is the 1st OpenBSD port to a
<a href="http://www.renesas.com">Hitachi/Renesas</a> SH-4 based machine.
It is hoped that other SH-4 based machines will show up which are
interesting enough for our user and development community, but the SH-4
processor is normally used only in true embedded products.
This processor architecture is the first 32-bit ancestor of a series
of extremely bizzare 8 and 16 bit processors by Hitachi. It has a
very strange instruction set and MMU, and developers find it quite a
challenge to map their knowledge of Unix low-level ideas to the
processor architecture.
<a name="status"></a>
<h3><font color="#0000e0"><strong>Current status</strong></font></h3>
<p>
Hardware support is mostly complete and quite stable.
<a name="hardware"></a>
<h3><font color="#0000e0"><strong>Supported hardware</strong></font></h3>
<ul>
For a complete system component and device driver listing for this architecture, see <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=intro&arch=landisk&sektion=4">intro(4/landisk)</a>.
<p>
<li>HITACHI SH4 SH7751R processor at 266MHz.
<li>64MB of ram.
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=re&sektion=4">re(4)</a> 100Mbit ethernet.
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wdc&sektion=4">wdc(4)</a> drive controller connected to either flash or microdrive in a CF socket, on some models.
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pciide&sektion4">pciide(4)</a> IDE drive controller supporting <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wd&sektion=4">wd(4)</a>, on some models.
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=com&sektion=4">com(4)</a> serial port console at 9600 baud (lacking hardware flow control).
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ehci&sektion=4">ehci(4)</a> and <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ohci&sektion=4">ohci(4)</a> USB controllers supporting most <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=usb&sektion=4">usb(4)</a> devices.
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=power&arch=landisk&sektion=4">power(4)</a> button and some LEDs.
</ul>
<a name="install"></a>
<h3><font color="#0000e0">
<strong>Getting and installing</strong>
</font></h3>
<p>
The latest supported OpenBSD/landisk release is
<a href="42.html">OpenBSD 4.2</a>.
Here are the
<a href="ftp://ftp.OpenBSD.org/pub/OpenBSD/4.2/landisk/INSTALL.landisk">
OpenBSD/landisk 4.2 installation instructions
</a>.
<p>
Snapshots are made available from time to time, in
<a href="ftp://ftp.OpenBSD.org/pub/OpenBSD/snapshots/landisk">this location</a>
as well as in a few
<a href="ftp.html">mirrors</a>.
Here are the
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/landisk/INSTALL.landisk">
OpenBSD/landisk snapshot installation instructions
</a> as well.
<a name="projects"></a>
<h3><font color="#0000e0"><strong>Projects & bugs left to fix</strong></font></h3>
<ul>
<li>Squelch remaining compiler optimization bugs.
<li>Make it feel faster.
</ul>
<img align="right" height=274 width=410 src="images/usl5p-serial.gif">
<a name="serial"></a>
<h3><font color="#0000e0">
<strong>Serial cable connection</strong>
</font></h3>
All of these machines require a special serial cable which does
voltage conversion, and can hopefully be purchased along with the
card. This cable normally contains a little max232 or similar chip
which converts from the 3.3V signals to +/-12V. The IO-DATA cable
has pins which can grip the inside of the holes. Or you can attempt
to build your own using
<a href="http://www.mizore.jp/wiki/index.php?LANDISK%2Fserial-console">
some Japanese instructions</a>.
<p>
The IO-DATA cable converts from a DB9 connector to a 5-pin header
(3.3V Tx Rx GND NC). Note that the Rx and Tx pins on the board are
<b>swapped</b> compared to the ARM-based machines made by IO-DATA.
All the board models have a 5-pin connector (called CN7) which the cable
can plug into -- except for the USL-5P which has a 4-pin header (thus
requiring removal of the spare pin).
<p>
A USL-5P is shown with a modified IO-DATA cable. In this case the cable
has been shortened significantly and the DB9 connector is glued into a slot
carefully cut into the plastic between the ethernet and a USB port.
<br clear=all>
<hr>
<a href="plat.html">
<img height="24" width="24" src="back.gif" border="0" alt="Supported platforms">
</a>
<br>
<small><a href="mailto:www@openbsd.org">www@openbsd.org</a></small>
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