On Tue, Sep 03, 2024 at 03:02:20PM +0530, Ayush Singh wrote: > Register with firmware upload API to allow updating firmware on cc1352p7 > without resorting to overlay for using the userspace flasher. > > 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 it's cousins as a co-processor. > > Boot and Reset GPIOs are used to enable cc1352p7 bootloader backdoor for > flashing. The delays while starting bootloader are taken from the > userspace flasher since the technical specification does not provide > sufficient information regarding it. > > 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. > > Firmware size should be 704 KB. > > Link: https://www.ti.com/lit/ug/swcu192/swcu192.pdf Ti CC1352p7 Tecnical Specification nit: If you need to post a v5 for some other reason, please consider updating the spelling of Technical > Link: https://openbeagle.org/beagleconnect/cc1352-flasher Userspace > Flasher > > Signed-off-by: Ayush Singh <ayush@xxxxxxxxxxxxxxx> ...