diff options
| -rwxr-xr-x | arch/riscv/lib/mkimage_fit_opensbi.sh | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/arch/riscv/lib/mkimage_fit_opensbi.sh b/arch/riscv/lib/mkimage_fit_opensbi.sh new file mode 100755 index 0000000000..d6f95e5bfd --- /dev/null +++ b/arch/riscv/lib/mkimage_fit_opensbi.sh @@ -0,0 +1,100 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0+ +# +# script to generate FIT image source for RISC-V boards with OpenSBI +# and, optionally, multiple device trees (given on the command line). +# +# usage: $0 [<dt_name> [<dt_name] ...] + +[ -z "$OPENSBI" ] && OPENSBI="fw_dynamic.bin" + +if [ -z "$UBOOT_LOAD_ADDR" ]; then + UBOOT_LOAD_ADDR="$(grep "^CONFIG_SYS_TEXT_BASE=" .config | awk 'BEGIN{FS="="} {print $2}')" +fi + +if [ -z "$OPENSBI_LOAD_ADDR" ]; then + OPENSBI_LOAD_ADDR="$(grep "^CONFIG_SPL_OPENSBI_LOAD_ADDR=" .config | awk 'BEGIN{FS="="} {print $2}')" +fi + +if [ ! -f $OPENSBI ]; then + echo "WARNING: OpenSBI binary \"$OPENSBI\" not found, resulting binary is not functional." >&2 + OPENSBI=/dev/null +fi + +cat << __HEADER_EOF +/dts-v1/; + +/ { + description = "Configuration to load OpenSBI before U-Boot"; + + images { + uboot { + description = "U-Boot"; + data = /incbin/("u-boot-nodtb.bin"); + type = "standalone"; + os = "U-Boot"; + arch = "riscv"; + compression = "none"; + load = <$UBOOT_LOAD_ADDR>; + }; + opensbi { + description = "RISC-V OpenSBI"; + data = /incbin/("$OPENSBI"); + type = "firmware"; + os = "opensbi"; + arch = "riscv"; + compression = "none"; + load = <$OPENSBI_LOAD_ADDR>; + entry = <$OPENSBI_LOAD_ADDR>; + }; +__HEADER_EOF + +cnt=1 +for dtname in $* +do + cat << __FDT_IMAGE_EOF + fdt_$cnt { + description = "$(basename $dtname .dtb)"; + data = /incbin/("$dtname"); + type = "flat_dt"; + compression = "none"; + }; +__FDT_IMAGE_EOF +cnt=$((cnt+1)) +done + +cat << __CONF_HEADER_EOF + }; + configurations { + default = "config_1"; + +__CONF_HEADER_EOF + +if [ $# -eq 0 ]; then +cat << __CONF_SECTION_EOF + config_1 { + description = "U-Boot FIT"; + firmware = "opensbi"; + loadables = "uboot"; + }; +__CONF_SECTION_EOF +else +cnt=1 +for dtname in $* +do +cat << __CONF_SECTION_EOF + config_$cnt { + description = "$(basename $dtname .dtb)"; + firmware = "opensbi"; + loadables = "uboot"; + fdt = "fdt_$cnt"; + }; +__CONF_SECTION_EOF +cnt=$((cnt+1)) +done +fi + +cat << __ITS_EOF + }; +}; +__ITS_EOF |