how to determine if fuse is used or other secure boot options?

Many thanks. this returned 0x0000000

Okay, next, i try to flash with nvflash my board, in l4t 19.3 log:

sudo ./nvflash --bct bct.cfg --setbct --configfile flash.cfg --create --bl bootloader.bin --odmdata 0x0049C000 --go
[sudo] password for insei: 
Nvflash 4.13.0000 started
chip uid from BR is: 0x34001001740db0c0200000000d038140
rcm version 0X400001
Skipping BoardID read at miniloader level
System Information:
   chip name: unknown
   chip id: 0x40 major: 1 minor: 1
   chip sku: 0x27
   chip uid: 0x00000001740db0c0200000000d038140
   macrovision: disabled
   hdcp: enabled
   jtag: enabled
   sbk burned: false
   board id: 0
   warranty fuse: 0
   dk burned: true
   boot device: emmc
   operating mode: 3
   device config strap: 0
   device config fuse: 0
   sdram config strap: 0

RCM communication completed
BCT sent successfully
odm data: 0x49c000
downloading bootloader -- load address: 0x80108000 entry point: 0x80108000
sending file: bootloader.bin
/ 4194304/4194304 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize

no more output, but board emits an electronic squeak
in L4T 21.5

sudo ./nvflash --bct mocha_bct.cfg --setbct --configfile flash.cfg  --create --bl u-boot.bin --odmdata 0x0049C000 --go
Nvflash 4.13.0000 started
BR_CID: 0x34001001740db0c0200000000d038140
rcm version 0X400001
Skipping BoardID read at miniloader level
System Information:
   chip name: unknown
   chip id: 0x40 major: 1 minor: 1
   chip sku: 0x0
   chip uid: 0x00000001740db0c0200000000d038140
   macrovision: disabled
   hdcp: disabled
   jtag: disabled
   sbk burned: false
   board id: 0
   warranty fuse: 0
   dk burned: false
   boot device: emmc
   operating mode: 3
   device config strap: 0
   device config fuse: 0
   sdram config strap: 0

RCM communication completed
BCT sent successfully
sending file: tegra124-mocha.dtb
- 94588/94588 bytes sent
tegra124-mocha.dtb sent successfully
odm data: 0x49c000
downloading bootloader -- load address: 0x83d88000 entry point: 0x83d88000
download command failed NvError 0x120002
command failure/warning: bootloader download failed (bad data)

but my board not have a debug port, and i can’t get u-boot logs.

bootloder.bin and u-boot.bin from L4T this is different loader? If yes, Nvidia can get source for bootloader.bin? I try to write init for my board if yes. My board have a different configuration tps65913 pmic.