Image Module

This is a user guide for image module API. This module is covering all functionality about i.MX boot image creation, validation and extraction.

Device Configuration Data (DCD)

from spsdk.image.segments import SegDCD
from spsdk.image.commands import CmdWriteData, CmdCheckData, CmdNop, EnumWriteOps,EnumCheckOps

dcd = SegDCD(enabled=True)
dcd.append(CmdWriteData(ops=EnumWriteOps.WRITE_VALUE, data=((0x30340004, 0x4F400005),
                                                            (0x30340004, 0x4F400005),
                                                            (0x30340004, 0x4F400005),
                                                            (0x30340004, 0x4F400005))))
dcd.append(CmdWriteData(ops=EnumWriteOps.CLEAR_BITMASK, data=((0x307900C4, 0x00000001),)))
dcd.append(CmdWriteData(ops=EnumWriteOps.SET_BITMASK, data=((0x307900C4, 0x00000001),)))
dcd.append(CmdCheckData(ops=EnumCheckOps.ALL_CLEAR, address=0x307900C4, mask=0x00000001))
dcd.append(CmdCheckData(ops=EnumCheckOps.ALL_CLEAR, address=0x307900C4, mask=0x00000001, count=5))
dcd.append(CmdCheckData(ops=EnumCheckOps.ANY_CLEAR, address=0x307900C4, mask=0x00000001))
dcd.append(CmdCheckData(ops=EnumCheckOps.ANY_CLEAR, address=0x307900C4, mask=0x00000001, count=5))
dcd.append(CmdCheckData(ops=EnumCheckOps.ALL_SET, address=0x307900C4, mask=0x00000001))
dcd.append(CmdCheckData(ops=EnumCheckOps.ALL_SET, address=0x307900C4, mask=0x00000001, count=5))
dcd.append(CmdCheckData(ops=EnumCheckOps.ANY_SET, address=0x307900C4, mask=0x00000001))
dcd.append(CmdCheckData(ops=EnumCheckOps.ANY_SET, address=0x307900C4, mask=0x00000001, count=5))
dcd.append(CmdNop())