18.104.22.168. FPGA Fallback Boot
When the Boot ROM did not successfully load any image, it tries to boot from an FPGA fallback image:
- Checks if the FPGA is configured and in user mode
- Verifies that the fallback image was enabled in the FPGA fabric
- Jumps to address 0xC0000000, corresponding to offset 0 on the HPS-2-FPGA bridge
Note: The configuration on the FPGA side needs to enable the signal notifying the HPS that an FPGA fallback image is available (f2h_boot_from_fpga_on_failure).