Diff for /wikisrc/ports/evbarm/allwinner.mdwn between versions 1.24 and 1.89

version 1.24, 2014/11/10 18:29:01 version 1.89, 2018/05/10 00:12:47
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 [[!meta title="NetBSD/evbarm on Allwinner Technology SoCs"]]  [[!meta title="NetBSD/evbarm on Allwinner Technology SoCs"]]
   
 [[!toc levels=2]]  NetBSD supports many boards based on Allwinner SoCs. Starting with NetBSD 8.0, FDT is used to configure devices. As a result, a large number of boards and configurations can be supported with a single kernel.
   
 # Supported boards  
  - [Banana Pi](http://www.bananapi.org/p/product.html) (BPI)  
  - Cubieboard, Cubieboard 2 (CUBIEBOARD)  
  - Cubietruck (CUBIETRUCK)  
  - [Merrii Hummingbird A31](http://www.merrii.com/en/pla_d.asp?id=172) (HUMMINGBIRD_A31)  
   
 # Supported hardware  
  - SoCs  
    - Cortex-A8: A10  
    - Cortex-A7: A20 (2-core), A31 (4-core)  
  - SD/MMC controller (DMA)  
  - DMA controller  
  - GPIO  
    - Configuration using FEX scripts is supported  
  - UART  
  - I2C  
  - P2WI (A31)  
  - PMU  
    - AXP209 (A20)  
    - AXP221 (A31)  
  - Watchdog timer  
  - RTC  
  - Audio codec  
  - USB host  
    - OHCI  
    - EHCI  
    - OTG (not yet working on A31)  
  - SATA (A10/A20)  
  - Gigabit Ethernet (GMAC)  
  - HDMI (A20/A31)  
  - Framebuffer  
   
 # TODO  
  - OTG (A31)  
  - USB device mode  
  - Bluetooth / WiFi (Cubietruck, Hummingbird A31)  
  - 3G (Hummingbird A31)  
  - SD/MMC UHS-I support (needs sdmmc(4) changes)  
  - TV input (Hummingbird A31)  
  - NAND  
  - Fast Ethernet (EMAC)  
   
 # Installation  
   
 ## A10 / A20 based boards  <img src="https://pbs.twimg.com/media/DIRGmsOXcAEJu-j.jpg" width="300">
   <img src="https://pbs.twimg.com/media/DJYA7SCXUAEvEQk.jpg" width="300">
   
 * Start with an ARMv7 image from *evbarm-earmv7hf/binary/gzimg/* such as *beaglebone.img*  [[!toc levels=2]]
 * Download a U-Boot build for your board from the linux-sunxi web site <http://dl.linux-sunxi.org/nightly/u-boot-sunxi/u-boot-sunxi/u-boot-sunxi-latest/>  
 * Write the *u-boot-sunxi-with-spl.bin* loader to the base image:  
 [[!template  id=programlisting text="""  
 # dd if=u-boot-sunxi-with-spl.bin of=beaglebone.img bs=1k seek=8 conv=notrunc  
 """]]  
 * Write the image to an SD card.  
 * Copy the kernel (netbsd.ub) for your board to the root of the MS-DOS partition.  
 * Create or edit uEnv.txt on the MS-DOS partition:  
 [[!template  id=programlisting text="""  
 bootargs=root=ld0a  
 uenvcmd=mmc dev 0; mmc rescan; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000  
 """]]  
   
 ## A31 based boards  
   
 TBD.  
   
 # Big (endian) fun  # Supported SoCs
   
 You can run this boards with a little endian (this is the default and implied by above install instructions)  <table>
 or with a big endian kernel and userland. However, kernel and userland endianness needs to match.    <thead>
       <tr>
         <th>Family</th>
         <th>SoC</th>
         <th>NetBSD version</th>
         <th>Example boards</th>
         <th>Notes</th>
       </tr>
     </thead>
     <tbody>
       <tr><td>sun4i</td><td>A10</td><td>8.99.3 and later</td><td><a href="https://www.olimex.com/Products/OLinuXino/A10/A10-OLinuXino-LIME/open-source-hardware">Olimex A10-OLinuXino-LIME</a><td></td></tr>
       <tr><td>sun5i</td><td>A10s</td><td>-</td><td></td></tr>
       <tr><td>sun5i</td><td>A13</td><td>8.99.2 and later</td><td><a href="https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino/open-source-hardware">Olimex A13-OLinuXino</a>, <a href="https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino-MICRO/open-source-hardware">Olimex A13-OLinuXino-MICRO</a></td></tr>
       <tr><td>sun5i</td><td>GR8</td><td>8.99.5</td><td><a href="https://getchip.com/pages/chippro">C.H.I.P. Pro</a></td><td></td></tr>
       <tr><td>sun5i</td><td>R8</td><td>8.99.2 and later</td><td><a href="https://getchip.com/pages/chip">C.H.I.P.</a>, <a href="https://getchip.com/pages/pocketchip">Pocket C.H.I.P.</a></td><td></td></tr>
       <tr><td>sun6i</td><td>A31</td><td>7.0 and later</td><td><a href="http://linux-sunxi.org/Merrii_Hummingbird_A31">Merrii Hummingbird A31</a></td><td></td></tr>
       <tr><td>sun6i</td><td>A31s</td><td>-</td><td></td><td></td></tr>
       <tr><td>sun7i</td><td>A20</td><td>7.0 and later</td><td><a href="https://linux-sunxi.org/Cubietech_Cubieboard2">Cubietech Cubieboard 2</a>, <a href="https://linux-sunxi.org/Cubietruck">Cubietech Cubietruck</a>, <a href="http://linux-sunxi.org/LeMaker_Banana_Pi">LeMaker Banana Pi</a></td><td></td></tr>
       <tr><td>sun8i</td><td>A23</td><td>-</td><td></td></tr>
       <tr><td>sun8i</td><td>A33</td><td>-</td><td><a href="https://www.olimex.com/Products/OLinuXino/A33/A33-OLinuXino/open-source-hardware">Olimex A33-OLinuXino</a></td></tr>
       <tr><td>sun8i</td><td>R40</td><td>-</td><td><a href="http://www.banana-pi.org/m2u.html">Sinovoip Banana Pi BPI-M2U</a></td></tr>
       <tr><td>sun8i</td><td>A83T</td><td>8.0 and later</td><td><a href="http://www.banana-pi.org/m3.html">Sinovoip Banana Pi BPI-M3</a></td><td></td></tr>
       <tr><td>sun8i</td><td>H2+</td><td>8.0 and later</td><td><a href="http://www.orangepi.org/orangepizero/">Xunlong Orange Pi Zero</a></td><td></td></tr>
       <tr><td>sun8i</td><td>H3</td><td>8.0 and later</td><td><a href="http://nanopi.io/nanopi-neo.html">FriendlyARM NanoPi NEO</a>, <a href="http://www.orangepi.org/orangepiplus2e/">Xunlong Orange Pi Plus 2E</a></td><td></td></tr>
       <tr><td>sun8i</td><td>V3s</td><td>-</td><td><a href="https://www.indiegogo.com/projects/licheepi-zero-6-extensible-linux-module-on-finger-wifi-diy#/">Lichee Pi Zero</a></td><td></td></tr>
       <tr><td>sun9i</td><td>A80</td><td>8.0 and later</td><td><a href="http://linux-sunxi.org/Cubietech_Cubieboard4">Cubietech Cubieboard 4</a></td><td></td></tr>
       <tr><td>sun50i</td><td>A64</td><td>8.99.2 and later</td><td><a href="https://www.pine64.org/?page_id=1194">Pine64</a>, <a href="https://www.pine64.org/?page_id=3707">Pinebook</a></td><td></td></tr>
       <tr><td>sun50i</td><td>H5</td><td>8.99.4 and later</td><td><a href="http://www.friendlyarm.com/index.php?route=product/product&path=69&product_id=180">FriendlyARM NanoPi NEO2, <a href="http://www.friendlyarm.com/index.php?route=product/product&path=69&product_id=196">FriendlyARM NanoPi NEO Plus2</a></td><td></td></tr>
       <tr><td>sun50i</td><td>H6</td><td>8.99.14 and later</td><td><a href="http://www.orangepi.org/OrangePiOneplus/">Orange Pi One Plus</a>, <a href="https://www.pine64.org/?product_cat=pine-h64-boards">Pine H64</a></td></tr>
     </tbody>
   </table>
   
 To build a big endian release (or sets) use   
 [[!template  id=programlisting text="""  
 ./build.sh -m evbearmv7hf-eb   
 """]]  
 where -eb means endianness big, hf is hardware floating point support, and earm is the modern "extended" ABI for ARM CPUs, and finally v7 is version 7 of the supported instruction set.  
   
 # FEX scripts  # Supported hardware
   
 Board configuration scripts can be found here: <https://github.com/linux-sunxi/sunxi-boards/blob/master/sys_config>. You can compile them with the "fex2bin" tool found here: <https://github.com/linux-sunxi/sunxi-tools>.  Please refer to the [SUNXI kernel config](https://nxr.netbsd.org/xref/src/sys/arch/evbarm/conf/SUNXI) for the most up-to-date list of supported hardware.
   
 To use, copy the compiled FEX to your MS-DOS partition, load it with U-Boot, and then tell the kernel where to find it with the "sysconfig=" boot option. For example, uEnv.txt on a Cubieboard2 might look like this:  <table>
     <thead>
       <tr>
         <th>Device</th>
         <th>Supported</th>
         <th>Notes</th>
       </tr>
     </thead>
     <tbody>
       <tr><td>Audio codec</td><td>Yes</td><td>Supported on sun4i, sun5i, sun6i, sun7i, sun8i-h2+, sun8i-h3, sun50i-h5, sun50i-a64</td></tr>
       <tr><td>Crypto engine</td><td>-</td><td></td></tr>
       <tr><td>CSI</td><td>-</td><td></td></tr>
       <tr><td>DMA</td><td>Yes</td><td></td></tr>
       <tr><td>Fast Ethernet (sun4i/sun5i/sun7i)</td><td>Yes</td><td></td></tr>
       <tr><td>Framebuffer</td><td>Yes</td><td>Uses simplefb configured by bootloader</td></tr>
       <tr><td>Gigabit Ethernet (sun6i/sun7i/sun9i)</td><td>Yes</td><td></td></tr>
       <tr><td>Gigabit Ethernet (sun8i/sun50i)</td><td>Yes</td><td></td></tr>
       <tr><td>GPIO</td><td>Yes</td><td></td></tr>
       <tr><td>GPU</td><td>-</td><td></td></tr>
       <tr><td>I2C</td><td>Yes</td><td></td></tr>
       <tr><td>I2S/PCM</td><td>Experimental</td><td></td></tr>
       <tr><td>IR transceiver</td><td>-</td><td></td></tr>
       <tr><td>NAND</td><td>Yes</td><td></td></tr>
       <tr><td>P2WI/RSB</td><td>Yes</td><td></td></tr>
       <tr><td>PCIe</td><td>-</td><td>H6</td></tr>
       <tr><td>PWM</td><td>Yes</td><td></td></tr>
       <tr><td>RTC</td><td>Yes</td><td></td></tr>
       <tr><td>SATA</td><td>Yes</td><td></td></tr>
       <tr><td>SD/MMC</td><td>Yes</td><td></td></tr>
       <tr><td>SMP</td><td>Yes</td><td>32-bit only. Uses PSCI support in firmware</td></tr>
       <tr><td>SPDIF</td><td>-</td><td></td></tr>
       <tr><td>SPI</td><td>Yes</td><td></td></tr>
       <tr><td>Thermal sensors</td><td>Yes</td><td></td></tr>
       <tr><td>Touch screen</td><td>Yes</td><td></td></tr>
       <tr><td>UART</td><td>Yes</td><td></td></tr>
       <tr><td>USB 2.0</td><td>Yes</td><td></td></tr>
       <tr><td>USB 3.0</td><td>Yes</td><td></td></tr>
       <tr><td>USB OTG</td><td>Experimental</td><td></td></tr>
       <tr><td>Watchdog timer</td><td>Yes</td><td></td></tr>
     </tbody>
   </table>
   
 [[!template  id=programlisting text="""  # Installation
 bootargs=root=ld0a sysconfig=0x43000000  
 uenvcmd=mmc dev 0; mmc rescan; fatload mmc 0:1 43000000 cubieboard2.bin; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000  
 """]]  
   
 Some pre-compiled .bin files can be found here: <http://ftp.netbsd.org/pub/NetBSD/misc/jmcneill/allwinner/fex/>  - Download or build **armv7.img** (32-bit) or **arm64.img** (64-bit) from NetBSD -current
   - Write the image to disk: **dd if=armv7.img of=/dev/rld0d bs=1m conv=sync**
   - Install a board-specific U-Boot (2017.07 or later) from pkgsrc to the SD card: **dd if=/usr/pkg/share/u-boot/&lt;boardname&gt;/u-boot-sunxi-with-spl.bin of=/dev/rld0d bs=1k seek=8 conv=sync**
   
 # Board specific notes  # Tips and tricks
   
 ## Merrii Hummingbird A31  ## Video overscan compensation
   
 There doesn't appear to be a meaningful way to generate a MAC address on these boards. U-Boot from the A31 SDK and from the u-boot-sunxi tree both lack GMAC support, and the Security ID registers (at 0x01c23800) appear to be empty.  On some television models, the borders of the screen may be cut off. If your television doesn't have an option to disable overscan, you can enable overscan compensation by entering the following commands at the U-Boot prompt:
   
 To overcome this, you can specify your own MAC address in *uEnv.txt*:      setenv video-mode sunxi:1280x720-24,overscan_x=32,overscan_y=20
 [[!template  id=programlisting text="""      saveenv
 bootargs=root=ld0a awge0.mac-address=02:a0:3d:88:1a:1e      reset
 """]]  

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