Allow user to select the default DTB for FIT image when multiple
dtb's exists.
>From machine.conf or local.conf user can specify the default dtb
for FIT image as shown below.
FIT_CONF_DEFAULT_DTB = "board-default.dtb"
Signed-off-by: Sandeep Gundlupet Raju <sandeep.gundlupet-r...@amd.com>
---
meta/classes-recipe/kernel-fitimage.bbclass | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/meta/classes-recipe/kernel-fitimage.bbclass
b/meta/classes-recipe/kernel-fitimage.bbclass
index cb6635a673..6cdb0e0174 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 "$dtb_image_sect" ]; then
@@ -462,7 +466,13 @@ fitimage_emit_section_config() {
# default node is selected based on dtb ID if it is present,
# otherwise its selected based on kernel ID
if [ -n "$dtb_image" ]; then
- default_line="default =
\"${FIT_CONF_PREFIX}$dtb_image\";"
+ # Select default node as user specified dtb when
+ # multiple dtb exists.
+ if [ -n "$default_dtb_image" ]; then
+ default_line="default =
\"${FIT_CONF_PREFIX}$default_dtb_image\";"
+ else
+ default_line="default =
\"${FIT_CONF_PREFIX}$dtb_image\";"
+ fi
else
default_line="default =
\"${FIT_CONF_PREFIX}$kernel_id\";"
fi
--
2.25.1
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