paul@pau-ubt1804:~/300G_HDD/falcon_script$ cat generate_tispl-falcon.sh
export IMAGES_DIR=/home/paul/300G_HDD/ti_am62x/build/arago-tmp-default-glibc/deploy/images/am62xx-evm
ATF=$IMAGES_DIR/bl31.bin TEE=$IMAGES_DIR/bl32.bin \
DM=$IMAGES_DIR/ipc_echo_testb_mcu1_0_release_strip.xer5f \
/home/paul/300G_HDD/ti_am62x/build/arago-tmp-default-glibc/work/am62xx_evm_k3r5-oe-linux-gnueabi/u-boot-ti-staging/1_2023.04+gitAUTOINC+24098ea90d-r0_edgeai_2.psdk3/git/scripts/tispl-linux-falcon.sh \
$IMAGES_DIR/Image $IMAGES_DIR/k3-am625-sk.dtb > tispl-falcon.its
mkimage -E -f tispl-falcon.its tispl-falcon.bin
paul@pau-ubt1804:~/300G_HDD/falcon_script$ cat /home/paul/300G_HDD/ti_am62x/build/arago-tmp-default-glibc/work/am62xx_evm_k3r5-oe-linux-gnueabi/u-boot-ti-staging/1_2023.04+gitAUTOINC+24098ea90d-r0_edgeai_2.psdk3/git/scripts/tispl-linux-falcon.sh
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0+
#
# script to generate FIT image source for K3 Family boards with ATF, OPTEE,
# Device Manager, Linux Kernel, and device tree (given on the command line)
# to support a direct R5 SPL -> Linux Kernel boot flow.
#
# Inspired from toolsk3_fit_atf.sh
#
# Copyright (C) 2023 Texas Instruments Incorporated - http://www.ti.com/
#       Andreas Dannenberg <dannenberg@ti.com>
#
# usage: $0 <kernel_name> <dt_name>

[ -z "$ATF" ] && ATF="bl31.bin"

if [ ! -f $ATF ]; then
        echo "WARNING ATF file $ATF NOT found, resulting binary is non-functional" >&2
        ATF=/dev/null
fi

[ -z "$TEE" ] && TEE="bl32.bin"

if [ ! -f $TEE ]; then
        echo "WARNING OPTEE file $TEE NOT found, resulting might be non-functional" >&2
        TEE=/dev/null
fi

[ -z "$DM" ] && DM="dm.bin"

if [ ! -e $DM ]; then
        echo "WARNING DM file $DM NOT found, resulting might be non-functional" >&2
        DM=/dev/null
fi

cat << __ITS_EOF
/dts-v1/;

/ {
        description = "Configuration to load ATF and SPL";
        #address-cells = <1>;

        images {
                atf {
                        description = "ARM Trusted Firmware";
                        data = /incbin/("$ATF");
                        type = "firmware";
                        arch = "arm64";
                        compression = "none";
                        os = "arm-trusted-firmware";
                        load = <0x9e780000>;            /* This load/entry address pair is for use with AM62Ax */
                        entry = <0x9e780000>;
                };
                tee {
                        description = "OPTEE";
                        data = /incbin/("$TEE");
                        type = "tee";
                        arch = "arm64";
                        compression = "none";
                        os = "tee";
                        load = <0x9e800000>;            /* Needs to match BL32_BASE in ATF */
                        entry = <0x9e800000>;
                };
                dm {
                        description = "DM binary";
                        data = /incbin/("$DM");
                        type = "firmware";
                        arch = "arm32";
                        compression = "none";
                        os = "DM";
                        load = <0x89000000>;
                        entry = <0x89000000>;
                };
                kernel {
                        description = "Linux Kernel (64-bit)";
                        data = /incbin/("$1");
                        type = "standalone";
                        os = "linux";
                        arch = "arm64";
                        compression = "none";
                        load = <0x80080000>;            /* Needs to match PRELOADED_BL33_BASE in ATF */
                        entry = <0x80080000>;
                };
                fdt {
                        description = "$(basename $2 .dtb)";
                        data = /incbin/("$2");
                        type = "flat_dt";
                        arch = "arm";
                        compression = "none";
                        load = <0x82000000>;            /* Needs to match K3_HW_CONFIG_BASE in ATF */
                };
        };
        configurations {
                default = "$(basename $2 .dtb)";

                $(basename $2 .dtb) {
                        description = "$(basename $2 .dtb)";
                        firmware = "atf";
                        loadables = "tee", "dm", "kernel", "fdt";
                };
        };
};
__ITS_EOF
paul@pau-ubt1804:~/300G_HDD/falcon_script$ ./generate_tispl-falcon.sh
FIT description: Configuration to load ATF and SPL
Created:         Wed Feb 26 16:27:41 2025
 Image 0 (atf)
  Description:  ARM Trusted Firmware
  Created:      Wed Feb 26 16:27:41 2025
  Type:         Firmware
  Compression:  uncompressed
  Data Size:    44056 Bytes = 43.02 KiB = 0.04 MiB
  Architecture: AArch64
  OS:           ARM Trusted Firmware
  Load Address: 0x9e780000
 Image 1 (tee)
  Description:  OPTEE
  Created:      Wed Feb 26 16:27:41 2025
  Type:         Trusted Execution Environment Image
  Compression:  uncompressed
  Data Size:    440416 Bytes = 430.09 KiB = 0.42 MiB
 Image 2 (dm)
  Description:  DM binary
  Created:      Wed Feb 26 16:27:41 2025
  Type:         Firmware
  Compression:  uncompressed
  Data Size:    149940 Bytes = 146.43 KiB = 0.14 MiB
  Architecture: Unknown Architecture
  OS:           Unknown OS
  Load Address: 0x89000000
 Image 3 (kernel)
  Description:  Linux Kernel (64-bit)
  Created:      Wed Feb 26 16:27:41 2025
  Type:         Standalone Program
  Compression:  uncompressed
  Data Size:    21836288 Bytes = 21324.50 KiB = 20.82 MiB
  Architecture: AArch64
  Load Address: 0x80080000
  Entry Point:  0x80080000
 Image 4 (fdt)
  Description:  k3-am625-sk
  Created:      Wed Feb 26 16:27:41 2025
  Type:         Flat Device Tree
  Compression:  uncompressed
  Data Size:    59084 Bytes = 57.70 KiB = 0.06 MiB
  Architecture: ARM
  Load Address: 0x82000000
 Default Configuration: 'k3-am625-sk'
 Configuration 0 (k3-am625-sk)
  Description:  k3-am625-sk
  Kernel:       unavailable
  Firmware:     atf
  Loadables:    tee
                dm
                kernel
                fdt
paul@pau-ubt1804:~/300G_HDD/falcon_script$ ls
generate_tispl-falcon.sh  tispl-falcon.bin  tispl-falcon.its