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kernel-fitimage: Allow user to select dtb when multiple dtb exists

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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"

Also fallback to avaialable dtb when FIT_CONF_DEFAULT_DTB doesn't
exits or empty.

(From OE-Core rev: 678ad9458a17d9feebb2ea897be4b9bc0daf3391)

Signed-off-by: Sandeep Gundlupet Raju <sandeep.gundlupet-raju@amd.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
(cherry picked from commit cd397284fa5f17de7e0a0d4b6b26fb8b56c3cd48)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Sandeep Gundlupet Raju
2023-01-08 10:25:35 -07:00
committed by Richard Purdie
parent 3edd7714c1
commit 738cb2a735
1 changed files with 15 additions and 1 deletions
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16
meta/classes/kernel-fitimage.bbclass
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@@ -67,6 +67,9 @@ 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
@@ -369,6 +372,7 @@ fitimage_emit_section_config() {
bootscr_line=""
setup_line=""
default_line=""
default_dtb_image="${FIT_CONF_DEFAULT_DTB}"
# conf node name is selected based on dtb ID if it is present,
# otherwise its selected based on kernel ID
@@ -411,7 +415,17 @@ fitimage_emit_section_config() {
# default node is selected based on dtb ID if it is present,
# otherwise its selected based on kernel ID
if [ -n "$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