101 lines
2.0 KiB
Bash
Executable File
101 lines
2.0 KiB
Bash
Executable File
#!/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 RISC-V boards with OpenSBI
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# and, optionally, multiple device trees (given on the command line).
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#
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# usage: $0 [<dt_name> [<dt_name] ...]
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[ -z "$OPENSBI" ] && OPENSBI="fw_dynamic.bin"
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if [ -z "$UBOOT_LOAD_ADDR" ]; then
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UBOOT_LOAD_ADDR="$(grep "^CONFIG_SYS_TEXT_BASE=" .config | awk 'BEGIN{FS="="} {print $2}')"
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fi
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if [ -z "$OPENSBI_LOAD_ADDR" ]; then
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OPENSBI_LOAD_ADDR="$(grep "^CONFIG_SPL_OPENSBI_LOAD_ADDR=" .config | awk 'BEGIN{FS="="} {print $2}')"
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fi
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if [ ! -f $OPENSBI ]; then
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echo "WARNING: OpenSBI binary \"$OPENSBI\" not found, resulting binary is not functional." >&2
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OPENSBI=/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 OpenSBI before U-Boot";
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images {
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uboot {
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description = "U-Boot";
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data = /incbin/("u-boot-nodtb.bin");
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type = "standalone";
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os = "U-Boot";
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arch = "riscv";
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compression = "none";
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load = <$UBOOT_LOAD_ADDR>;
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};
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opensbi {
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description = "RISC-V OpenSBI";
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data = /incbin/("$OPENSBI");
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type = "firmware";
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os = "opensbi";
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arch = "riscv";
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compression = "none";
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load = <$OPENSBI_LOAD_ADDR>;
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entry = <$OPENSBI_LOAD_ADDR>;
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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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if [ $# -eq 0 ]; then
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cat << __CONF_SECTION_EOF
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config_1 {
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description = "U-Boot FIT";
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firmware = "opensbi";
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loadables = "uboot";
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};
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__CONF_SECTION_EOF
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else
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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 $dtname .dtb)";
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firmware = "opensbi";
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loadables = "uboot";
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fdt = "fdt_$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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fi
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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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