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