15. Boot Config

The Boot Config module implements a single a register which is used by the zeroth stage boot loader (ZSBL) which is contained in the Boot Rom. Towards the completion of the ZSBL, depending on the value of the boot-config register the following actions are taken:

Table 15.1 Boot Configuration Options.




After ZSBL execute an ebreak and allow debugger control of the SoC


After ZSBL jump to OCM

The boot config register values are read-only from the SoC side and are driven by external pins, the details of which should be available in the pin definition of the board.