basic working buildroot - rauc example

board/beacon-cm4/rootfs-overlay/etc/fw_env.config

@@ -0,0 +1,2 @@
+/dev/mmcblk0	0x100000	0x8000
+/dev/mmcblk0	0x200000	0x8000

board/beacon-cm4/rootfs-overlay/etc/rauc/system.conf

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+[system]
+compatible=beacon-cm4
+mountprefix=/run/rauc
+statusfile=/data/rauc.status
+bootloader=uboot
+bundle-formats=-plain
+
+[keyring]
+path=/etc/rauc/keyring.pem
+use-bundle-signing-time=true
+
+[slot.bootloader.0]
+device=/dev/mmcblk0
+type=boot-mbr-switch
+region-start=4M
+region-size=512M
+
+[slot.rescue.0]
+device=/dev/mmcblk0p2
+type=raw
+
+[slot.rootfs.0]
+device=/dev/mmcblk0p5
+type=ext4
+bootname=A
+
+[slot.rootfs.1]
+device=/dev/mmcblk0p6
+type=ext4
+bootname=B
+

board/beacon-cm4/rootfs-overlay/etc/sudoers.d/user

@@ -0,0 +1 @@
+user	ALL=(ALL) NOPASSWD: ALL

board/beacon-cm4/rootfs-overlay/etc/systemd/system.conf.d/watchdog.conf

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+[Manager]
+RuntimeWatchdogSec=10
+#RebootWatchdogSec=10min
+#KExecWatchdogSec=off
+#WatchdogDevice=
+