isabella232 / codk-tools

CODK-Tools

One Time Programming

The OTP (One Time Programming) is responsible for storing product and OEM data into the Curie SoC. The process to save data on OTP is executed in two stages:

• OTP Stage 1 (initial address is 0xffffe000): The first stage is performed during Curie manufacturing. Here, some data like Intel MAC address, Curie Hardware ID and Curie ESN are stored. This area should be left alone! Modifying this area can potentially lock the OTP area and disable flashing.

• OTP Stage 2 (initial address 0xffffe200): At this stage, data specific to your product is stored. This includes product name, vendor name, serial number, etc.

Download CODK-Tools:

git clone https://github.com/01org/CODK-Tools.git

Generate .bin containing customer/product data

cd CODK-Tools
cd otp_provisioning

Run ./generate_factory_bin_product.py

./generate_factory_bin_product.py --help

For example:

./generate_factory_bin_product.py -s 123456789 -w 01 -n "Arduino 101" -m Intel -v 8087 -p 0AB6

This will generate a file called factory_data_product.bin

Note: If you don’t want to store the product VID/PID into the OTP just give both parameters the value of FFFF

Flashing the customer data section of the OTP area

Before proceeding with this step, if you are using an Arduino 101 board and want to be able to recover it to its factory state, it is highly recommended to back-up the current content of the OTP

./flash_otp.sh

Once flashing is successful it your board will now have your product data stored in the OTP.

If you flash the firmware from https://github.com/01org/CODK-M-X86 the customer/data stored in the OTP will be used for the USB device descriptors