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 #12 Signed-off-by: Leon Anavi <[email protected]>
rauc · May 22, 2024 · 74344be · 74344be
1 parent b0b4651
commit 74344be
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/meta-rauc-raspberrypi/README.rst b/meta-rauc-raspberrypi/README.rst
@@ -70,6 +70,14 @@ 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