It doesn’t boot but it is now flashing.
I started fresh and followed every step mentioned in this thread: after i2cset test, nano can't boot - #70 by lonesomesnow i.e. Applied each of the binaries in sequence and modified the files as mentioned. The only difference being that I’ve only ever used the image created by SDK manager (Jetpack 4.3).
The changes boiled down to:
tail jetson-nano-emmc.conf
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
[b]BOARDID="3448";
FAB="400";
BOARDSKU="0000" ;
BOARDREV="C.0";[/b]
EMMC_CFG=flash_l4t_t210_spi_sd_p3448.xml;
BLBlockSize=1048576;
source "${LDK_DIR}/p3448-0000.conf.common";
T21BINARGS="--bins \"EBT cboot.bin; "
Using the “nvtboot_20190711.tar.gz” binaries: https://forums.developer.nvidia.com/uploads/short-url/1q7xzrC3JqGGq3jHiFJL9stuLtq.gz
DFLT_KERNEL_IMAGE="bootloader/${target_board}/p3450-porg/u-boot.bin";
fi;
BOOTLOADER="bootloader/${target_board}/cboot.bin";
TBCFILE="bootloader/nvtboot_cpu.bin";
BPFFILE="bootloader/t210ref/sc7entry-firmware.bin";
TOSFILE="bootloader/tos.img";
EKSFILE="bootloader/eks.img";
BCT="--bct ";
VERFILENAME="qspi_bootblob_ver.txt";
+ BCFFILE="bootloader/${target_board}/cfg/board_config_p3448.xml";
Let me know if you have anything for me to try to make it boot.
Thanks for your help