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arm64: zynqmp: Add support for u-boot.itb generation with ATF
Follow i.MX, Sunxi, RISC-V and Rockchip to generate u-boot.itb which includes U-Boot proper, ATF and DTBs in FIT format. ZynqMP supports FIT for quite a long time but with using out of tree solution. The patch is filling this gap. Tested on zcu102, zcu104 and zcu100/Ultra96. zcu100/Ultra96 v2.2 ATF build by: make DEBUG=0 ZYNQMP_CONSOLE=cadence1 RESET_TO_BL31=1 PLAT=zynqmp bl31 Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek
parent
9c6bf1715f
commit
5b21d648cb
3
Kconfig
3
Kconfig
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@ -254,7 +254,7 @@ config BUILD_TARGET
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default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
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default "u-boot-elf.srec" if RCAR_GEN3
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default "u-boot.itb" if SPL_LOAD_FIT && (ARCH_ROCKCHIP || \
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ARCH_SUNXI || RISCV)
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ARCH_SUNXI || RISCV || ARCH_ZYNQMP)
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default "u-boot.kwb" if KIRKWOOD
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default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
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default "u-boot-with-spl.imx" if ARCH_MX6 && SPL
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@ -500,6 +500,7 @@ config SPL_FIT_GENERATOR
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depends on SPL_FIT
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default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
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default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
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default "arch/arm/mach-zynqmp/mkimage_fit_atf.sh" if SPL_LOAD_FIT && ARCH_ZYNQMP
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default "arch/riscv/lib/mkimage_fit_opensbi.sh" if SPL_LOAD_FIT && RISCV
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help
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Specifies a (platform specific) script file to generate the FIT
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123
arch/arm/mach-zynqmp/mkimage_fit_atf.sh
Executable file
123
arch/arm/mach-zynqmp/mkimage_fit_atf.sh
Executable file
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@ -0,0 +1,123 @@
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0+
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#
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# script to generate FIT image source for Xilinx ZynqMP boards with
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# ARM Trusted Firmware and multiple device trees (given on the command line)
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#
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# usage: $0 <dt_name> [<dt_name> [<dt_name] ...]
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BL33="u-boot-nodtb.bin"
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[ -z "$BL31" ] && BL31="bl31.bin"
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# Can be also done as ${CROSS_COMPILE}readelf -l bl31.elf | awk '/Entry point/ { print $3 }'
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[ -z "$ATF_LOAD_ADDR" ] && ATF_LOAD_ADDR="0xfffea000"
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if [ -z "$BL33_LOAD_ADDR" ];then
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BL33_LOAD_ADDR=`awk '/CONFIG_SYS_TEXT_BASE/ { print $3 }' include/generated/autoconf.h`
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fi
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DTB_LOAD_ADDR=`awk '/CONFIG_XILINX_OF_BOARD_DTB_ADDR/ { print $3 }' include/generated/autoconf.h`
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if [ ! -z "$DTB_LOAD_ADDR" ]; then
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DTB_LOAD="load = <$DTB_LOAD_ADDR>;"
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else
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DTB_LOAD=""
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fi
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if [ -z "$*" ]; then
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DT=arch/arm/dts/${DEVICE_TREE}.dtb
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else
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DT=$*
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fi
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if [ ! -f $BL31 ]; then
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echo "WARNING: BL31 file $BL31 NOT found, resulting binary is non-functional" >&2
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BL31=/dev/null
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# But U-Boot proper could be loaded in EL3 by specifying
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# firmware = "uboot";
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# instead of "atf" in config node
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fi
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cat << __HEADER_EOF
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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/dts-v1/;
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/ {
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description = "Configuration to load ATF before U-Boot";
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images {
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uboot {
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description = "U-Boot (64-bit)";
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data = /incbin/("$BL33");
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type = "firmware";
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os = "u-boot";
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arch = "arm64";
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compression = "none";
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load = <$BL33_LOAD_ADDR>;
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entry = <$BL33_LOAD_ADDR>;
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hash {
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algo = "md5";
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};
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};
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atf {
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description = "ARM Trusted Firmware";
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data = /incbin/("$BL31");
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type = "firmware";
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os = "arm-trusted-firmware";
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arch = "arm64";
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compression = "none";
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load = <$ATF_LOAD_ADDR>;
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entry = <$ATF_LOAD_ADDR>;
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hash {
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algo = "md5";
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};
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};
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__HEADER_EOF
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DEFAULT=1
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cnt=1
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for dtname in $DT
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do
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cat << __FDT_IMAGE_EOF
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fdt_$cnt {
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description = "$(basename $dtname .dtb)";
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data = /incbin/("$dtname");
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type = "flat_dt";
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arch = "arm64";
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compression = "none";
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$DTB_LOAD
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hash {
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algo = "md5";
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};
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};
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__FDT_IMAGE_EOF
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[ "x$(basename $dtname .dtb)" = "x${DEVICE_TREE}" ] && DEFAULT=$cnt
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cnt=$((cnt+1))
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done
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cat << __CONF_HEADER_EOF
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};
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configurations {
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default = "config_$DEFAULT";
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__CONF_HEADER_EOF
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cnt=1
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for dtname in $DT
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do
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cat << __CONF_SECTION1_EOF
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config_$cnt {
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description = "$(basename $dtname .dtb)";
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firmware = "atf";
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loadables = "uboot";
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fdt = "fdt_$cnt";
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};
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__CONF_SECTION1_EOF
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cnt=$((cnt+1))
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done
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cat << __ITS_EOF
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};
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};
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__ITS_EOF
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@ -242,7 +242,11 @@
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# define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0 /* unused */
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# define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0 /* unused */
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# define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0 /* unused */
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# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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# if defined(CONFIG_SPL_LOAD_FIT)
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# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.itb"
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# else
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# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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# endif
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#endif
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#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_DFU)
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