Re: [PATCH v3 0/3] Add Firmware Upload support for beagleplay cc1352

[Krzysztof Kozlowski]

On Sun, Aug 25, 2024 at 10:17:04PM +0530, Ayush Singh wrote:
> Adds support for beagleplay cc1352 co-processor firmware upgrade using
> kernel Firmware Upload API. Uses ROM based bootloader present in
> cc13x2x7 and cc26x2x7 platforms for flashing over UART.
> 
> Communication with the bootloader can be moved out of gb-beagleplay
> driver if required, but I am keeping it here since there are no
> immediate plans to use the on-board cc1352p7 for anything other than
> greybus (BeagleConnect Technology). Additionally, there do not seem to
> any other devices using cc1352p7 or its cousins as a co-processor.
> 
> Bootloader backdoor and reset GPIOs are used to enable cc1352p7 bootloader
> backdoor for flashing. Flashing is skipped in case we are trying to flash
> the same image as the one that is currently present. This is determined by
> CRC32 calculation of the supplied firmware and flash data.
> 
> We also do a CRC32 check after flashing to ensure that the firmware was
> flashed properly.
> 
> Link: https://www.ti.com/lit/ug/swcu192/swcu192.pdf Ti CC1352P7 Technical Specification
> 
> Changes in v3:
> - Spelling fixes in cover letter
> - Add Ack by Rob Herring on Patch 1


Where?

Just use b4 to collect tags.

Best regards,
Krzysztof