How to implement QSPI XIP with softdevice?

RE: How to implement QSPI XIP with softdevice?

Vidar Berg — Wed, 31 May 2023 13:28:13 GMT

Hi John,

Let's continue this in the new case you created.

Best regards,

Vidar

RE: How to implement QSPI XIP with softdevice?

JohnCC — Wed, 31 May 2023 08:45:26 GMT

Hi Vidar,

I create another case to follow this issue. Because I use Nordic example without Softdevice,there is a problem.

nRF52840 QSPI XIP mode can not work

Thank you.

John.

RE: How to implement QSPI XIP with softdevice?

Vidar Berg — Tue, 30 May 2023 09:47:48 GMT

Hi John,

If you already have a project with QSPI and Softdevice, then you don't need create a new project. Are you getting any errors when you try to run this project?

Best regards,

Vidar

RE: How to implement QSPI XIP with softdevice?

JohnCC — Fri, 26 May 2023 11:35:09 GMT

Hi Vidar,

Do you mean that I first take a project(our qspi_bootloader project) containing SoftDevice and then copy source code in qspi_bootloader(Nordic qspi_bootloader example) main() to our projec?

The image I put in the external flash does not need to be modified, right?

Also, I use qspi_bootloader example in Nordic internal flash and put blinky_systick with qspi in my external flash. it will work very well. So I think that I don't need to care about errata 216.

Thank you.

John

RE: How to implement QSPI XIP with softdevice?

Vidar Berg — Fri, 26 May 2023 11:12:59 GMT

Hi,

I recommend you start with a project that already includes the Softdevice, then integrate the QSPI XiP using the qspi bootloader example as a reference.

Also, please be aware of the [216] QSPI: Race condition occurs in XIP errata as it limits what kind of code you can execute from the ext. flash.

Best regards,

Vidar