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
2.5. Querying RSU Status
The SDM firmware offers a command for querying the RSU status, providing the following information:
- RSU status code
- Address of the currently running image
- Address of the last failing image (sticky)
- Error code for last failing image (sticky)
- Error location for last failing image (sticky)
- Decision firmware RSU interface version
- Current image (application or factory) firmware RSU interface version
- Retry counter value
- Index of last used decision firmware copy
- Clearing the sticky fields related to last failing image
- Resetting the retry counter value to zero
The functionality offered by all of the above SDM commands is available from both U-Boot and LIBRSU.
For more information, refer to the RSU Status and Error Codes.
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