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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0+
#
# script to generate FIT image source for Xilinx ZynqMP boards with
# ARM Trusted Firmware and multiple device trees (given on the command line)
#
# usage: $0 <dt_name> [<dt_name> [<dt_name] ...]
BL33="u-boot-nodtb.bin"
[ -z "$BL31" ] && BL31="bl31.bin"
BL31_ELF="${BL31%.*}.elf"
[ -f ${BL31_ELF} ] && ATF_LOAD_ADDR=`${CROSS_COMPILE}readelf -l "${BL31_ELF}" | \
awk '/Entry point/ { print $3 }'`
[ -z "$ATF_LOAD_ADDR" ] && ATF_LOAD_ADDR="0xfffea000"
ATF_LOAD_ADDR_LOW=`printf 0x%x $((ATF_LOAD_ADDR & 0xffffffff))`
ATF_LOAD_ADDR_HIGH=`printf 0x%x $((ATF_LOAD_ADDR >> 32))`
[ -z "$BL32" ] && BL32="tee.bin"
BL32_ELF="${BL32%.*}.elf"
[ -f ${BL32_ELF} ] && TEE_LOAD_ADDR=`${CROSS_COMPILE}readelf -l "${BL32_ELF}" | \
awk '/Entry point/ { print $3 }'`
[ -z "$TEE_LOAD_ADDR" ] && TEE_LOAD_ADDR="0x60000000"
TEE_LOAD_ADDR_LOW=`printf 0x%x $((TEE_LOAD_ADDR & 0xffffffff))`
TEE_LOAD_ADDR_HIGH=`printf 0x%x $((TEE_LOAD_ADDR >> 32))`
if [ -z "$BL33_LOAD_ADDR" ];then
BL33_LOAD_ADDR=`awk '/CONFIG_SYS_TEXT_BASE/ { print $3 }' include/generated/autoconf.h`
fi
BL33_LOAD_ADDR_LOW=`printf 0x%x $((BL33_LOAD_ADDR & 0xffffffff))`
BL33_LOAD_ADDR_HIGH=`printf 0x%x $((BL33_LOAD_ADDR >> 32))`
DTB_LOAD_ADDR=`awk '/CONFIG_XILINX_OF_BOARD_DTB_ADDR/ { print $3 }' include/generated/autoconf.h`
if [ ! -z "$DTB_LOAD_ADDR" ]; then
DTB_LOAD_ADDR_LOW=`printf 0x%x $((DTB_LOAD_ADDR & 0xffffffff))`
DTB_LOAD_ADDR_HIGH=`printf 0x%x $((DTB_LOAD_ADDR >> 32))`
DTB_LOAD="load = <$DTB_LOAD_ADDR_HIGH $DTB_LOAD_ADDR_LOW>;"
else
DTB_LOAD=""
fi
if [ -z "$*" ]; then
DT=arch/arm/dts/${DEVICE_TREE}.dtb
else
DT=$*
fi
if [ ! -f $BL31 ]; then
echo "WARNING: BL31 file $BL31 NOT found, U-Boot will run in EL3" >&2
BL31=/dev/null
fi
cat << __HEADER_EOF
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/dts-v1/;
/ {
description = "Configuration to load ATF before U-Boot";
images {
uboot {
description = "U-Boot (64-bit)";
data = /incbin/("$BL33");
type = "firmware";
os = "u-boot";
arch = "arm64";
compression = "none";
load = <$BL33_LOAD_ADDR_HIGH $BL33_LOAD_ADDR_LOW>;
entry = <$BL33_LOAD_ADDR_HIGH $BL33_LOAD_ADDR_LOW>;
hash {
algo = "md5";
};
};
__HEADER_EOF
if [ -f $BL31 ]; then
cat << __ATF
atf {
description = "ARM Trusted Firmware";
data = /incbin/("$BL31");
type = "firmware";
os = "arm-trusted-firmware";
arch = "arm64";
compression = "none";
load = <$ATF_LOAD_ADDR_HIGH $ATF_LOAD_ADDR_LOW>;
entry = <$ATF_LOAD_ADDR_HIGH $ATF_LOAD_ADDR_LOW>;
hash {
algo = "md5";
};
};
__ATF
fi
if [ -f $BL32 ]; then
cat << __TEE
tee {
description = "TEE firmware";
data = /incbin/("$BL32");
type = "firmware";
os = "tee";
arch = "arm64";
compression = "none";
load = <$TEE_LOAD_ADDR_HIGH $TEE_LOAD_ADDR_LOW>;
entry = <$TEE_LOAD_ADDR_HIGH $TEE_LOAD_ADDR_LOW>;
hash {
algo = "md5";
};
};
__TEE
fi
DEFAULT=1
cnt=1
for dtname in $DT
do
cat << __FDT_IMAGE_EOF
fdt_$cnt {
description = "$(basename $dtname .dtb)";
data = /incbin/("$dtname");
type = "flat_dt";
arch = "arm64";
compression = "none";
$DTB_LOAD
hash {
algo = "md5";
};
};
__FDT_IMAGE_EOF
[ "x$(basename $dtname .dtb)" = "x${DEVICE_TREE}" ] && DEFAULT=$cnt
cnt=$((cnt+1))
done
cat << __CONF_HEADER_EOF
};
configurations {
default = "config_$DEFAULT";
__CONF_HEADER_EOF
cnt=1
for dtname in $DT
do
if [ ! -f $BL31 ]; then
cat << __CONF_SECTION1_EOF
config_$cnt {
description = "$(basename $dtname .dtb)";
firmware = "uboot";
fdt = "fdt_$cnt";
};
__CONF_SECTION1_EOF
else
if [ -f $BL32 ]; then
cat << __CONF_SECTION1_EOF
config_$cnt {
description = "$(basename $dtname .dtb)";
firmware = "atf";
loadables = "uboot", "tee";
fdt = "fdt_$cnt";
};
__CONF_SECTION1_EOF
else
cat << __CONF_SECTION1_EOF
config_$cnt {
description = "$(basename $dtname .dtb)";
firmware = "atf";
loadables = "uboot";
fdt = "fdt_$cnt";
};
__CONF_SECTION1_EOF
fi
fi
cnt=$((cnt+1))
done
cat << __ITS_EOF
};
};
__ITS_EOF
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