On 1/4/23 03:53, Sandeep Gundlupet Raju via lists.openembedded.org wrote:
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\";"
Shouldn't we error out if the requested device tree does not exist here
so that we don't create an invalid fitimage?
Cheers,
Quentin
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