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Revision 1.14, Mon Aug 28 04:31:55 2017 UTC (6 years, 9 months ago) by jsg
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remove OverDrive 3000 until it is at least as stable as the 1000

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<h2>
<a href="index.html">
<font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
<font color="#e00000">arm64</font>
</h2>
<hr>

<p>
OpenBSD/arm64 is a port of OpenBSD to various 64-bit ARM based systems.
</p>

<p>
A mailing list for ARM-based ports is available at
<u><font color="#23238e">arm@openbsd.org</font></u>.
To join the OpenBSD/arm mailing list, send a message body of
<b>"subscribe arm"</b> to
<a href="mailto:majordomo@openbsd.org">majordomo@openbsd.org</a>.
Please be sure to check our <a href="mail.html">mailing list policy</a> before
subscribing.

<br clear=all>
<hr>

<a name="status"></a>
<h3><font color="#0000e0"><strong>Current status</strong></font></h3>

<p>
The current target platforms are Rockchip RK3399, Allwinner A64/H5,
Raspberry Pi 3 and Opteron A1100.
</p>

<p>
The install media includes firmware required to boot the Pine 64/64+
and Raspberry Pi.
</p>

<p>
The Raspberry Pi 3 requires closed but redistributable files on the
system disk to load into the VC4 GPU which starts the ARM cores.  By
default the boot ROM will only try to load these files off an SD card.
These files are present in the install media but there is no driver
for SD/MMC yet so a USB disk drive and manual steps are required.  To
load the firmware off the SD card and have the root disk on USB after
installing OpenBSD reboot and interrupt U-Boot before the timeout
expires and instruct U-Boot to prefer USB over the SD card:
</p>

<blockquote><pre>
Hit any key to stop autoboot:  0
U-Boot&gt; setenv boot_targets usb0 mmc0 pxe dhcp
U-Boot&gt; saveenv
U-Boot&gt; boot
</pre></blockquote>

<p>
Opteron A1100 machines on the other hand come with a UEFI firmware
that includes a device tree and can boot off SATA or USB devices without
board specific boot files on the system disk.
</p>

<p>
All other machines that lack UEFI firmware require additional steps to
create bootable install media.  See the
<a href="https://ftp.OpenBSD.org/pub/OpenBSD/snapshots/arm64/INSTALL.arm64">
OpenBSD/arm64 snapshot installation instructions</a> for further details.
</p>

<a name="hardware"></a>
<h3><font color="#0000e0"><strong>Supported hardware</strong></font></h3>

<p>
OpenBSD/arm64 bundles various platforms sharing the 64-bit ARM
architecture. Due to the fact that there are many System on a
Chips (SoC) around, OpenBSD/arm64 differentiates between various
SoCs and may have a different level of support between them.
</p>

<ul>
	<li>Allwinner A64/H5
	<ul>
		<li>Pine 64/64+
		<li>Orange Pi PC2
	</ul>
	<li>AMD Opteron A1100 (Seattle)
	<ul>
		<li>AMD Seattle Development Board
		<li>SoftIron OverDrive 1000
	</ul>
	<li>Broadcom BCM2837
	<ul>
		<li>Raspberry Pi 3
	</ul>
	<li>Rockchip RK3399
	<ul>
		<li>Firefly-RK3399
	</ul>
</ul>

<h4>Ethernet</h4>
<ul>
	<li><a href="https://man.openbsd.org/?query=dwge&amp;sektion=4&amp;arch=arm64">dwge(4)</a>
	  integrated Synopsys DesignWare GMAC 10/100/Gigabit Ethernet on <tt>Rockchip RK3399</tt></li>
	<li><a href="https://man.openbsd.org/?query=msk&amp;sektion=4&amp;arch=arm64">msk(4)</a>
	  integrated Marvell Yukon-2 10/100/Gigabit Ethernet on <tt>OverDrive 1000</tt></li>
	<li><a href="https://man.openbsd.org/?query=smsc&amp;sektion=4&amp;arch=arm64">smsc(4)</a>
	  integrated SMSC LAN95xx 10/100 USB Ethernet on <tt>Raspberry Pi 3</tt></li>
</ul>

<h4>Storage</h4>
<ul>
	<li><a href="https://man.openbsd.org/?query=ahci&amp;sektion=4&amp;arch=arm64">ahci(4)</a>
	  on <tt>Opteron A1100</tt></li>
	<li><a href="https://man.openbsd.org/?query=dwmmc&amp;sektion=4&amp;arch=arm64">dwmmc(4)</a>
	  on <tt>Rockchip RK3399</tt></li>
	<li><a href="https://man.openbsd.org/?query=dwmmc&amp;sektion=4&amp;arch=arm64">sdhc(4)</a>
	  on <tt>Rockchip RK3399</tt></li>
</ul>

<h4>USB</h4>
<ul>
	<li><a href="https://man.openbsd.org/?query=dwctwo&amp;sektion=4&amp;arch=arm64">dwctwo(4)</a>
	  on <tt>Raspberry Pi 3</tt></li>
	<li><a href="https://man.openbsd.org/?query=ehci&amp;sektion=4&amp;arch=arm64">ehci(4)</a>
	  on <tt>Pine64</tt> and <tt>Firefly-RK3399</tt></li>
	<li><a href="https://man.openbsd.org/?query=xhci&amp;sektion=4&amp;arch=arm64">xhci(4)</a>
	  on <tt>OverDrive 1000</tt></li>
</ul>

<b>No real time clock:</b> Many of the arm64 devices do not have a
battery-backed real time clock. For this reason, using the <tt>-s</tt>
option of <a href="faq/faq8.html#OpenNTPD">OpenNTPD</a> may be desirable.

<a name="install"></a>
<h3><font color="#0000e0">
<strong>Getting and installing</strong>
</font></h3>

<p>
Snapshots are made available from time to time, in
<a href="https://ftp.OpenBSD.org/pub/OpenBSD/snapshots/arm64">this location</a>
as well as in a few
<a href="ftp.html">mirrors</a>.
Here are the
<a href="https://ftp.OpenBSD.org/pub/OpenBSD/snapshots/arm64/INSTALL.arm64">
OpenBSD/arm64 snapshot installation instructions</a> as well.
</p>

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