diff --git a/meta/classes-recipe/kernel-fitimage.bbclass b/meta/classes-recipe/kernel-fitimage.bbclass index 92e236a0a4..b77747404f 100644 --- a/meta/classes-recipe/kernel-fitimage.bbclass +++ b/meta/classes-recipe/kernel-fitimage.bbclass @@ -89,6 +89,9 @@ FIT_CONF_PREFIX[doc] = "Prefix to use for FIT configuration node name" FIT_SUPPORTED_INITRAMFS_FSTYPES ?= "cpio.lz4 cpio.lzo cpio.lzma cpio.xz cpio.zst cpio.gz ext2.gz cpio" +# Allow user to select the default DTB for FIT image when multiple dtb's exists. +FIT_CONF_DEFAULT_DTB ?= "" + # Keys used to sign individually image nodes. # The keys to sign image nodes must be different from those used to sign # configuration nodes, otherwise the "required" property, from @@ -412,6 +415,7 @@ fitimage_emit_section_config() { bootscr_line="" setup_line="" default_line="" + default_dtb_image="${FIT_CONF_DEFAULT_DTB}" dtb_image_sect=$(symlink_points_below $dtb_image "${EXTERNAL_KERNEL_DEVICETREE}") if [ -z "$dtb_image_sect" ]; then @@ -462,7 +466,17 @@ fitimage_emit_section_config() { # default node is selected based on dtb ID if it is present, # otherwise its selected based on kernel ID if [ -n "$dtb_image" ]; then - default_line="default = \"${FIT_CONF_PREFIX}$dtb_image\";" + # Select default node as user specified dtb when + # multiple dtb exists. + if [ -n "$default_dtb_image" ]; then + if [ -s "${EXTERNAL_KERNEL_DEVICETREE}/$default_dtb_image" ]; then + default_line="default = \"${FIT_CONF_PREFIX}$default_dtb_image\";" + else + bbwarn "Couldn't find a valid user specified dtb in ${EXTERNAL_KERNEL_DEVICETREE}/$default_dtb_image" + fi + else + default_line="default = \"${FIT_CONF_PREFIX}$dtb_image\";" + fi else default_line="default = \"${FIT_CONF_PREFIX}$kernel_id\";" fi