Hard Processor System Remote System Update User Guide: Agilex™ 5 SoCs
ID
852610
Date
4/18/2025
Public
1. Overview
2. Use Cases
3. Quad SPI Flash Layout
4. Quartus® Prime Software and Tool Support
5. Software Support
6. Flash Corruption - Detection and Recovery
7. Remote System Update Example
8. Version Compatibility Considerations
9. Revision History for the Hard Processor System Remote System Update User Guide: Agilex™ 5 SoCs
A. Configuration Flow Diagrams
B. RSU Status and Error Codes
C. U-Boot RSU Reference Information
D. LIBRSU Reference Information
E. Combined Application Images
2.1. Manufacturing
2.2. Application Image Boot
2.3. Factory Image Boot
2.4. Modifying the List of Application Images
2.5. Querying RSU Status
2.6. Loading a Specific Image
2.7. Protected Access to Flash
2.8. Remote System Update Watchdog
2.9. RSU Notify
2.10. Updating the Factory Image
2.11. Updating the Decision Firmware
2.12. Retrying when Configuration Fails
2.13. Querying the Decision Firmware Version
C.6.1. rsu_init
C.6.2. rsu_exit
C.6.3. rsu_slot_count
C.6.4. rsu_slot_by_name
C.6.5. rsu_slot_get_info
C.6.6. rsu_slot_size
C.6.7. rsu_slot_priority
C.6.8. rsu_slot_erase
C.6.9. rsu_slot_program_buf
C.6.10. rsu_slot_program_factory_update_buf
C.6.11. rsu_slot_program_buf_raw
C.6.12. rsu_slot_verify_buf
C.6.13. rsu_slot_verify_buf_raw
C.6.14. rsu_slot_enable
C.6.15. rsu_slot_disable
C.6.16. rsu_slot_load
C.6.17. rsu_slot_load_factory
C.6.18. rsu_slot_rename
C.6.19. rsu_slot_delete
C.6.20. rsu_slot_create
C.6.21. rsu_status_log
C.6.22. rsu_notify
C.6.23. rsu_clear_error_status
C.6.24. rsu_reset_retry_counter
C.6.25. rsu_dcmf_version
C.6.26. rsu_max_retry
C.6.27. rsu_dcmf_status
C.6.28. rsu_create_empty_cpb
C.6.29. rsu_restore_cpb
C.6.30. rsu_save_cpb
C.6.31. rsu_restore_spt
C.6.32. rsu_save_spt
C.6.33. rsu_running_factory
C.7.1. dtb
C.7.2. list
C.7.3. slot_by_name
C.7.4. slot_count
C.7.5. slot_disable
C.7.6. slot_enable
C.7.7. slot_erase
C.7.8. slot_get_info
C.7.9. slot_load
C.7.10. slot_load_factory
C.7.11. slot_priority
C.7.12. slot_program_buf
C.7.13. slot_program_buf_raw
C.7.14. slot_program_factory_update_buf
C.7.15. slot_rename
C.7.16. slot_delete
C.7.17. slot_create
C.7.18. slot_size
C.7.19. slot_verify_buf
C.7.20. slot_verify_buf_raw
C.7.21. status_log
C.7.22. update
C.7.23. notify
C.7.24. clear_error_status
C.7.25. reset_retry_counter
C.7.26. display_dcmf_version
C.7.27. display_dcmf_status
C.7.28. display_max_retry
C.7.29. restore_spt
C.7.30. save_spt
C.7.31. create_empty_cpb
C.7.32. restore_cpb
C.7.33. save_cpb
C.7.34. check_running_factory
D.6.1. rsu_slot_priority
D.6.2. rsu_slot_erase
D.6.3. rsu_slot_program_buf
D.6.4. rsu_slot_program_factory_update_buf
D.6.5. rsu_slot_program_file
D.6.6. rsu_slot_program_factory_update_file
D.6.7. rsu_slot_program_buf_raw
D.6.8. rsu_slot_program_file_raw
D.6.9. rsu_slot_verify_buf
D.6.10. rsu_slot_verify_file
D.6.11. rsu_slot_verify_buf_raw
D.6.12. rsu_slot_verify_file_raw
D.6.13. rsu_slot_program_callback
D.6.14. rsu_slot_program_callback_raw
D.6.15. rsu_slot_verify_callback
D.6.16. rsu_slot_verify_callback_raw
D.6.17. rsu_slot_copy_to_file
D.6.18. rsu_slot_enable
D.6.19. rsu_slot_disable
D.6.20. rsu_slot_load_after_reboot
D.6.21. rsu_slot_load_factory_after_reboot
D.6.22. rsu_slot_rename
D.6.23. rsu_slot_delete
D.6.24. rsu_slot_create
D.6.25. rsu_status_log
D.6.26. rsu_notify
D.6.27. rsu_clear_error_status
D.6.28. rsu_reset_retry_counter
D.6.29. rsu_dcmf_version
D.6.30. rsu_max_retry
D.6.31. rsu_dcmf_status
D.6.32. rsu_save_spt
D.6.33. rsu_restore_spt
D.6.34. rsu_save_cpb
D.6.35. rsu_create_empty_cpb
D.6.36. rsu_restore_cpb
D.6.37. rsu_running_factory
D.7.1. count
D.7.2. list
D.7.3. size
D.7.4. priority
D.7.5. enable
D.7.6. disable
D.7.7. request
D.7.8. request-factory
D.7.9. erase
D.7.10. add
D.7.11. add-factory-update
D.7.12. add-raw
D.7.13. verify
D.7.14. verify-raw
D.7.15. copy
D.7.16. log
D.7.17. notify
D.7.18. clear-error-status
D.7.19. reset-retry-counter
D.7.20. display-dcmf-version
D.7.21. display-dcmf-status
D.7.22. display-max-retry
D.7.23. create-slot
D.7.24. delete-slot
D.7.25. restore-spt
D.7.26. save-spt
D.7.27. create-empty-cpb
D.7.28. restore-cpb
D.7.29. save-cpb
D.7.30. check-running-factory
D.7.31. help
6.5. Application Image
Application images are protected against corruption by internal SHA and CRC32 checksums. A system typically contains several application images, so in case one fails, another application image is also tried.
Both U-Boot and LibRSU offer services for maintaining and loading application images, as this is the main functionality offered by the Remote System Update.