try to add external flash in mcuboot

try to add external flash in mcuboothttps://devzone.nordicsemi.com/f/nordic-q-a/123632/try-to-add-external-flash-in-mcubootI tried to add external memory to mcuboot. In fact, I have successfully added it in app, but the same configuration seems to have problems in mcuboot ，mcuboot reports an error is undefined reference to `__device_dts_ord_109' this is my mcuboot.overlayen-USTelligent Community 13Tue, 16 Sep 2025 13:00:17 GMTRE: try to add external flash in mcuboothttps://devzone.nordicsemi.com/thread/548894?ContentTypeID=1Tue, 16 Sep 2025 13:00:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e13371c1-2df5-4cb5-908a-07c57c9ae22dvalioiv<p><a href="https://devzone.nordicsemi.com/members/gary_5f00_sky">gary_sky</a> did you manage to solve the issue?</p><div style="clear:both;"></div>RE: try to add external flash in mcuboothttps://devzone.nordicsemi.com/thread/545405?ContentTypeID=1Tue, 12 Aug 2025 14:40:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1f548836-d2b5-42fa-98c2-00ab5f81c684Amanda Hsieh<p>Hi, </p> <p>Your mcuboot.conf enable the QSPI driver instead of SPI. See <a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-3-dfu-with-external-flash/">https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-3-dfu-with-external-flash/</a> and <a href="https://github.com/NordicDeveloperAcademy/ncs-inter/blob/main/l9/l9_e3_sol/spi/sysbuild/mcuboot.conf#L8">https://github.com/NordicDeveloperAcademy/ncs-inter/blob/main/l9/l9_e3_sol/spi/sysbuild/mcuboot.conf#L8</a> </p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>