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scripts: mkits.sh make it possible to specify fdt@#

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Some bootloaders are really keen on just one special
fdt in a multi-image fit image. This is a problem, because
currently this is fixed to "fdt@1".

This patch introduces a new device variable:
DEVICE_FDT_NUM that allows to specify the right
fdt number.

If the value is absent "1" will be chosen.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This commit is contained in:
Christian Lamparter
2020-08-29 22:48:49 +02:00
parent a9071d02b5
commit fed1788689
3 changed files with 13 additions and 6 deletions
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12
scripts/mkits.sh
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@@ -16,7 +16,7 @@
usage() {
printf "Usage: %s -A arch -C comp -a addr -e entry" "$(basename "$0")"
printf " -v version -k kernel [-D name -d dtb] -o its_file"
printf " -v version -k kernel [-D name -n address -d dtb] -o its_file"
printf "\n\t-A ==> set architecture to 'arch'"
printf "\n\t-C ==> set compression type 'comp'"
@@ -26,12 +26,15 @@ usage() {
printf "\n\t-v ==> set kernel version to 'version'"
printf "\n\t-k ==> include kernel image 'kernel'"
printf "\n\t-D ==> human friendly Device Tree Blob 'name'"
printf "\n\t-n ==> fdt unit-address 'address'"
printf "\n\t-d ==> include Device Tree Blob 'dtb'"
printf "\n\t-o ==> create output file 'its_file'\n"
exit 1
}
while getopts ":A:a:c:C:D:d:e:k:o:v:" OPTION
FDTNUM=1
while getopts ":A:a:c:C:D:d:e:k:n:o:v:" OPTION
do
case $OPTION in
A ) ARCH=$OPTARG;;
@@ -42,6 +45,7 @@ do
d ) DTB=$OPTARG;;
e ) ENTRY_ADDR=$OPTARG;;
k ) KERNEL=$OPTARG;;
n ) FDTNUM=$OPTARG;;
o ) OUTPUT=$OPTARG;;
v ) VERSION=$OPTARG;;
* ) echo "Invalid option passed to '$0' (options:$*)"
@@ -61,7 +65,7 @@ ARCH_UPPER=$(echo "$ARCH" | tr '[:lower:]' '[:upper:]')
# Conditionally create fdt information
if [ -n "${DTB}" ]; then
FDT_NODE="
fdt@1 {
fdt@$FDTNUM {
description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
data = /incbin/(\"${DTB}\");
type = \"flat_dt\";
@@ -75,7 +79,7 @@ if [ -n "${DTB}" ]; then
};
};
"
FDT_PROP="fdt = \"fdt@1\";"
FDT_PROP="fdt = \"fdt@$FDTNUM\";"
fi
# Create a default, fully populated DTS file