Transclusion: CL-SOM-iMX7: U-Boot: Building Secure Images: Test U-Boot

From Compulab Mediawiki
Jump to: navigation, search

Fuse Programming

  • Display the new fuse values for programming.
hexdump -e '/4 "0x"' -e '/4 "%X""\n"' /home/development/cl-som-imx7/u-boot/cts/crts/SRK_1_2_3_4_fuse.bin
0x5AD817FB
0xD4C8E0B3
0xA7C3870C
0x6BCDDBAD
0x2B784081
0x2B57810
0xC5F3200B
0x6A182382
Admolition important.png Verify the values. The fuses can only be programmed once.
  • Program the fuse values from the hexdump command.
fuse prog 6 0 0x5AD817FB
fuse prog 6 1 0xD4C8E0B3
fuse prog 6 2 0xA7C3870C
fuse prog 6 3 0x6BCDDBAD
fuse prog 7 0 0x2B784081
fuse prog 7 1 0x2B57810
fuse prog 7 2 0xC5F3200B
fuse prog 7 3 0x6A182382