Date: Sat, 24 Aug 2019 23:14:57 -0300 From: lists@cyclaero.com To: freebsd-arm@freebsd.org Subject: BeagleBone Black Power Button Pin P9_09, issue with DTS 5.x Message-ID: <DF0396F2-626D-4F39-A04E-A1259FD8E2AE@cyclaero.com>
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I finished a project with the BeagleBone Black running FreeBSD 13.0-CURRENT #0 r350899M: Mon Aug 12 11:40:06 -03 2019. Once I mounted it into the closure and connected the external power button to P9_09 and ground (P9_01), the BBB freezes instantly and completely when the power button is pressed. From this I could only recover by pulling the 5 V plug. I build the very same kernel after only replacing the DTS 5.1 with the DTS 4.2, using the following command sequence: cd src/sys/gnu/dts mv arm arm-5.1 svn checkout -r 346091 https://svn.freebsd.org/base/head/sys/gnu/dts/arm arm-4.2 ln -s arm-4.2 arm cd ../../.. make -j4 buildkernel TARGET_ARCH=armv7 KERNCONF=CyControl mount -o noatime /dev/ufs/SYSTEM /back sudo -E make installkernel TARGET_ARCH=armv7 KERNCONF=CyControl DESTDIR=/back mount_msdosfs -o noatime /dev/da0s1 /mnt rm -r /mnt/dtb cp -r /back/boot/dtb/ /mnt/dtb umount /mnt umount /back Afterwards, the power button works as expected. My projects with the BBB are finished, and I don’t ask for fixing this. I only wanted to report the issue. In case you need an external power button with the BBB then you want to avoid DTS 5.x. Best regards Rolfhome | help
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