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Subject: [Bug 214337] RPI-B: create separate device tree for RPI-B+
Date: Tue, 08 Nov 2016 21:09:29 +0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: 11.0-STABLE
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X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: la5lbtyi@aon.at
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D214337

            Bug ID: 214337
           Summary: RPI-B: create separate device tree for RPI-B+
           Product: Base System
           Version: 11.0-STABLE
          Hardware: arm
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: la5lbtyi@aon.at

The RPI-B and RPI-B+ are slightly different. The Linux sources for the FDT
recognize this, as evidenced by running

# diff /usr/src/sys/gnu/dts/arm/bcm2835-rpi-b{,-plus}.dts

The FreeBSD version in /usr/src/sys/boot/fdt/dts/arm/rpi.dts seems to cover=
 the
RPI-B, but not the B+. Amongst others, this makes it impossible to use the
activity and power LEDs, and may even lead to hardware problems when trying=
 to
modify the activity LED.

It would be nice to have a dts which is suitable for the RPI-B+.

This possibly means that all the RPI variants allegedly supported by rpi.dts
actually need their own specific dts.

-- Martin

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