BT SMP with external XIP and nRF7002

Hello,

Hardware:

  • nrf5340 
  • nrf7002 (SPI)
  • MX25R64 (QSPI)

Sofware version:

  • NCS: 2.7.0


Requirement:

  • Extend application code size using XIP QSPI external memory
  • SMP for DFU over BLE
  • Wi-Fi coexistence with nRF7002


Issue:

The QSPI XIP guide states:

"You must use a child image when building your project, as XIP QSPI does not currently support sysbuild."

The sample that demonstrates this feature (extxip_smp_svr sample) also uses child images rather than sysbuild.

However, the sysbuild migration documentation indicates:

"Support for nRF700x operating mode and firmware storage has moved to sysbuild."

Question:

Is it possible to have an application that resides partially in internal flash and external flash and also supports the nRF7002?

From what I understand, sysbuild cannot be used in this case.

Would I need to revert to the previous build system with child images, and is this feasible in this context?

Thank you, and please let me know if you need further details.



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