diff options
Diffstat (limited to 'arch/arm/mach-zynqmp/mkimage_fit_atf.sh')
| -rwxr-xr-x | arch/arm/mach-zynqmp/mkimage_fit_atf.sh | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/arch/arm/mach-zynqmp/mkimage_fit_atf.sh b/arch/arm/mach-zynqmp/mkimage_fit_atf.sh new file mode 100755 index 0000000000..1e770ba111 --- /dev/null +++ b/arch/arm/mach-zynqmp/mkimage_fit_atf.sh @@ -0,0 +1,123 @@ +#!/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" +# Can be also done as ${CROSS_COMPILE}readelf -l bl31.elf | awk '/Entry point/ { print $3 }' +[ -z "$ATF_LOAD_ADDR" ] && ATF_LOAD_ADDR="0xfffea000" + +if [ -z "$BL33_LOAD_ADDR" ];then + BL33_LOAD_ADDR=`awk '/CONFIG_SYS_TEXT_BASE/ { print $3 }' include/generated/autoconf.h` +fi + +DTB_LOAD_ADDR=`awk '/CONFIG_XILINX_OF_BOARD_DTB_ADDR/ { print $3 }' include/generated/autoconf.h` +if [ ! -z "$DTB_LOAD_ADDR" ]; then + DTB_LOAD="load = <$DTB_LOAD_ADDR>;" +else + DTB_LOAD="" +fi + +if [ -z "$*" ]; then + DT=arch/arm/dts/${DEVICE_TREE}.dtb +else + DT=$* +fi + +if [ ! -f $BL31 ]; then + echo "WARNING: BL31 file $BL31 NOT found, resulting binary is non-functional" >&2 + BL31=/dev/null + # But U-Boot proper could be loaded in EL3 by specifying + # firmware = "uboot"; + # instead of "atf" in config node +fi + +cat << __HEADER_EOF +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +/dts-v1/; + +/ { + description = "Configuration to load ATF before U-Boot"; + + images { + uboot { + description = "U-Boot (64-bit)"; + data = /incbin/("$BL33"); + type = "firmware"; + os = "u-boot"; + arch = "arm64"; + compression = "none"; + load = <$BL33_LOAD_ADDR>; + entry = <$BL33_LOAD_ADDR>; + hash { + algo = "md5"; + }; + }; + atf { + description = "ARM Trusted Firmware"; + data = /incbin/("$BL31"); + type = "firmware"; + os = "arm-trusted-firmware"; + arch = "arm64"; + compression = "none"; + load = <$ATF_LOAD_ADDR>; + entry = <$ATF_LOAD_ADDR>; + hash { + algo = "md5"; + }; + }; +__HEADER_EOF + +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 $DT +do +cat << __CONF_SECTION1_EOF + config_$cnt { + description = "$(basename $dtname .dtb)"; + firmware = "atf"; + loadables = "uboot"; + fdt = "fdt_$cnt"; + }; +__CONF_SECTION1_EOF +cnt=$((cnt+1)) +done + +cat << __ITS_EOF + }; +}; +__ITS_EOF |