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#!/bin/sh
#
# script to generate FIT image source for 64-bit sunxi boards with
# ARM Trusted Firmware and multiple device trees (given on the command line)
#
# usage: $0 <dt_name> [<dt_name> [<dt_name] ...]
[ -z "$BL31" ] && BL31="bl31.bin"
if [ ! -f $BL31 ]; then
echo "WARNING: BL31 file $BL31 NOT found, resulting binary is non-functional" >&2
echo "Please read the section on ARM Trusted Firmware (ATF) in board/sunxi/README.sunxi64" >&2
BL31=/dev/null
fi
cat << __HEADER_EOF
/dts-v1/;
/ {
description = "Configuration to load ATF before U-Boot";
#address-cells = <1>;
images {
uboot {
description = "U-Boot (64-bit)";
data = /incbin/("u-boot-nodtb.bin");
type = "standalone";
arch = "arm64";
compression = "none";
load = <0x4a000000>;
};
atf {
description = "ARM Trusted Firmware";
data = /incbin/("$BL31");
type = "firmware";
arch = "arm64";
compression = "none";
load = <0x44000>;
entry = <0x44000>;
};
__HEADER_EOF
cnt=1
for dtname in $*
do
cat << __FDT_IMAGE_EOF
fdt_$cnt {
description = "$(basename $dtname .dtb)";
data = /incbin/("$dtname");
type = "flat_dt";
compression = "none";
};
__FDT_IMAGE_EOF
cnt=$((cnt+1))
done
cat << __CONF_HEADER_EOF
};
configurations {
default = "config_1";
__CONF_HEADER_EOF
cnt=1
for dtname in $*
do
cat << __CONF_SECTION_EOF
config_$cnt {
description = "$(basename $dtname .dtb)";
firmware = "uboot";
loadables = "atf";
fdt = "fdt_$cnt";
};
__CONF_SECTION_EOF
cnt=$((cnt+1))
done
cat << __ITS_EOF
};
};
__ITS_EOF
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