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
2.3. Factory Image Boot
The purpose of the factory image is to provide enough functionality to allow a device whose application images have all been corrupted or replaced with broken application images to obtain a new application image and program that image into QSPI.
Once the factory image is loaded, new application images could be programmed in QSPI to replace the failed ones, from either U-Boot or Linux.
The SDM loads the factory image in the following situations:
- You assign the function LOADFACTORY to an SDM pin and assert the pin soon after a POR or nCONFIG release.
- All SDM attempts to load the application images fail.
- An application image fails configuration, and the direct factory image fallback option is enabled.
- You request the factory image to be loaded.
- Decision firmware detects that the decision firmware data is corrupted.
- Decision firmware detects that both CPBs are corrupted.
When loading the factory image, the configuration system treats it in the same way as it does an application image.