Add Minnowboard hardware support entry from gonzo
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2020-12-08 03:00:23 +00:00
svn path=/head/; revision=49847
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@ -849,4 +849,39 @@
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committing.</task>
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committing.</task>
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</help>
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</help>
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</project>
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</project>
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<project cat='kern'>
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<title>I2C, GPIO, and SPI support for MinnowBoard</title>
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<contact>
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<person>
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<name>
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<given>Oleksandr</given>
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<common>Tymoshenko</common>
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</name>
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<email>gonzo@FreeBSD.org</email>
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</person>
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</contact>
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<links>
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<url href="https://kernelnomicon.org/?p=767">Blog Post</url>
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<url href="https://www.minnowboard.org">MinnowBoard Website</url>
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</links>
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<body>
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<p>The Minnowboard is an Atom-based x86 board (Intel E38xx
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Series SoC) in a maker-friendly form-factor: it provides
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convenient access to pins that can be used to connect
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peripherals using one of the standard buses: GPIO, SPI, or I2C.
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These buses are more common in the ARM/MIPS world than in x86,
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so while &os; was able to boot just fine, it lacked support for
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these buses on the MinnowBoard.</p>
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<p>As of r310645, HEAD support all three buses via
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<tt>ig4(4)</tt>, <tt>bytgpio(4)</tt>, and <tt>intelspi</tt>
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drivers. The <tt>ig4(4)</tt> and <tt>bytgpio(4)</tt> changes
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were backported to 11-STABLE; <tt>intelspi</tt> will be MFCed in
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couple of weeks.</p>
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</body>
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</project>
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</report>
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</report>
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