diff options
| -rw-r--r-- | host/utils/b2xx_fx3_utils.cpp | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/host/utils/b2xx_fx3_utils.cpp b/host/utils/b2xx_fx3_utils.cpp index efeecd984..b75ff6960 100644 --- a/host/utils/b2xx_fx3_utils.cpp +++ b/host/utils/b2xx_fx3_utils.cpp @@ -336,7 +336,8 @@ int32_t main(int32_t argc, char* argv[]) "Load a FPGA (bin) file into the FPGA.")( "load-bootloader,B", po::value<std::string>(&bl_file), "Load a bootloader (img) file into the EEPROM")( - "query-bootloader,Q", "Check if bootloader is loaded."); + "query-bootloader,Q", "Check if bootloader is loaded.")( + "unload-bootloader,u", "Remove bootloader."); // Hidden options provided for testing - use at your own risk! po::options_description hidden("Hidden options"); @@ -675,6 +676,36 @@ int32_t main(int32_t argc, char* argv[]) return EXIT_FAILURE; } std::cout << "Bootloader is present" << std::endl; + } else if (vm.count("unload-bootloader")) { + auto signature = b200->read_eeprom(0x0, 0x0, 4); + if (signature != NEW_EEPROM_SIGNATURE) { + std::cout << "No bootloader found on device" << std::endl; + return EXIT_FAILURE; + } + auto vidpid = b200->read_eeprom( + EEPROM_DATA_ADDR_HIGH_BYTE, EEPROM_DATA_VID_PID_ADDR, 4); + auto eeprom_data = b200->read_eeprom( + EEPROM_DATA_ADDR_HIGH_BYTE, EEPROM_DATA_OLD_DATA_ADDR, 36); + + uhd::byte_vector_t first_bl_record(OLD_EEPROM_SIGNATURE); + first_bl_record.push_back(vidpid[2]); + first_bl_record.push_back(vidpid[3]); + first_bl_record.push_back(vidpid[0]); + first_bl_record.push_back(vidpid[1]); + if (write_and_verify_eeprom(b200, first_bl_record)) { + return EXIT_FAILURE; + } + b200->write_eeprom(0x04, 0xDC, eeprom_data); + + std::cout << "Bootloader unload complete, resetting device..." << std::endl; + + // reset the device + try { + b200->reset_fx3(); + } catch (uhd::exception& e) { + std::cerr << "Exception while resetting FX3: " << e.what() << std::endl; + return EXIT_FAILURE; + } } std::cout << "Operation complete! I did it! I did it!" << std::endl; |