chipsec.utilcmd.mmio_cmd module

>>> chipsec_util mmio list
>>> chipsec_util mmio dump <MMIO_BAR_name> [offset] [length]
>>> chipsec_util mmio dump-abs <MMIO_base_address> [offset] [length]
>>> chipsec_util mmio read <MMIO_BAR_name> <offset> <width>
>>> chipsec_util mmio read-abs <MMIO_base_address> <offset> <width>
>>> chipsec_util mmio write <MMIO_BAR_name> <offset> <width> <value>
>>> chipsec_util mmio write-abs <MMIO_base_address> <offset> <width> <value>

Examples:

>>> chipsec_util mmio list
>>> chipsec_util mmio dump MCHBAR
>>> chipsec_util mmio dump-abs 0xFE010000 0x70 0x10
>>> chipsec_util mmio read SPIBAR 0x74 0x4
>>> chipsec_util mmio read-abs 0xFE010000 0x74 0x04
>>> chipsec_util mmio write SPIBAR 0x74 0x4 0xFFFF0000
>>> chipsec_util mmio write-abs 0xFE010000 0x74 0x04 0xFFFF0000