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ConfigIDEdit
This article describes how the ConfigID is implemented in the products supported by the DESK-XZ7-L Linux Kit.
Hardware implementationEdit
BORA family uses the first 32bytes OTP block on NOR SPI to store ConfigID (and its CRC32), UniqueID (and its CRC32). For BORA Lite module configured for booting from NAND, the ConfigID is stored on internal I2C EPROM: see here for more information.
U-Boot integrates the software routines for reading and displaying the ConfigID. Hereunder an example of SOM ConfigID at startup:
... SOM ConfigID#: 00000002 SOM UniqueID#: fffffefc:fffffefc CB ConfigID#: 00000001 CB UniqueID#: a600000f:24188b2d ...
Generally speakingEdit
- SOM ConfigID is used to identify the configuration of the basic features of the SOM
- CB ConfigID is used to identify the peripherals and the I/O interfaces.