meta-rauc-raspberrypi/README.rst: Kernel update

Add instructions how to move the Linux kernel to the rootfs on Raspberry Pi and to update with a RAUC bundle rauc#12 Signed-off-by: Leon Anavi <[email protected]>
leon-anavi · May 2, 2024 · 5cf1c5a · 5cf1c5a
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diff --git a/meta-rauc-raspberrypi/README.rst b/meta-rauc-raspberrypi/README.rst
@@ -70,10 +70,19 @@ It is also recommended, but not strictly necessary, to enable 'systemd'::
 
    INIT_MANAGER = "systemd"
 
+Optionally, to update the Linux kernel using A/B partitions and a RAUC bundle, put the kernel in the rootfs::
+
+   IMAGE_INSTALL:append = " kernel-image
+
+Optionally, to boot Linux kernel from the rootfs modify ``boot.cmd.in`` and replace ``fatload mmc 0:1 ${kernel_addr_r} @@KERNEL_IMAGETYPE@@`` with::
+
+   load ${BOOT_DEV} ${kernel_addr_r} boot/@@KERNEL_IMAGETYPE@@
+
 Build the minimal system image::
 
    $ bitbake core-image-minimal
 
+
 III. Flash & Run The Demo System
 ================================