From dddca33d2f359e04906f160b4aa53b2691ebcdbe Mon Sep 17 00:00:00 2001 From: Riku Isokoski Date: Fri, 10 Feb 2023 10:09:01 +0200 Subject: files-needed-by-factory: Move to separate document These are instructions for maintainers, and should be in a separate document. --- doc/files-needed-by-factory.md | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 doc/files-needed-by-factory.md (limited to 'doc/files-needed-by-factory.md') diff --git a/doc/files-needed-by-factory.md b/doc/files-needed-by-factory.md new file mode 100644 index 00000000..f99a29b6 --- /dev/null +++ b/doc/files-needed-by-factory.md @@ -0,0 +1,37 @@ +# How to generate files needed by the factory + +These files are needed by the Pine64 factory to flash InfiniTime as the default firmware on the PineTimes. + +Two files are needed: an **HEX (.hex)** file that contains the content of the internal flash memory (bootloader + InfiniTime) and a **binary (.bin)** file that contains the content of the external flash memory (recovery firmware). + +#### merged-internal.hex + +First, convert the bootloader to hex: + +``` +/bin/arm-none-eabi-objcopy -I binary -O ihex ./bootloader.bin ./bootloader.hex +``` + +where `bootloader.bin` is the [last stable version](https://github.com/JF002/pinetime-mcuboot-bootloader/releases) of the [bootloader](https://github.com/JF002/pinetime-mcuboot-bootloader). + +Then, convert the MCUBoot image of InfiniTime: + +``` +/bin/arm-none-eabi-objcopy -I binary -O ihex --change-addresses 0x8000 ./pinetime-mcuboot-app-image-1.6.0.bin ./pinetime-mcuboot-app-image-1.6.0.hex +``` + +where `pinetime-mcuboot-app-image-1.6.0.bin` is [the bin of the last MCUBoot image](https://github.com/InfiniTimeOrg/InfiniTime/releases) of [InfiniTime](https://github.com/InfiniTimeOrg/InfiniTime). + +Pay attention to the parameter `--change-addresses 0x8000`. It's needed to ensure the image will be flashed at the offset expected by the bootloader (0x8000). + +Finally, merge them together with **mergehex**: + +``` +/opt/mergehex/mergehex -m ./bootloader.hex ./pinetime-mcuboot-app-image-1.6.0.hex -o merged-internal.hex +``` + +This file must be flashed at offset **0x00** of the internal memory of the NRF52832. + +#### spinor.bin + +This file is the MCUBoot image of the last stable version of the recovery firmware. It must be flashed at offset **0x00** of the external SPINOR flash memory. -- cgit v1.2.3-70-g09d2