---
block/AES:
  description: Advanced encryption standard hardware accelerator
  items:
    - name: CR
      description: Control register
      byte_offset: 0
      fieldset: CR
    - name: SR
      description: Status register
      byte_offset: 4
      fieldset: SR
    - name: DINR
      description: Data input register
      byte_offset: 8
      fieldset: DINR
    - name: DOUTR
      description: Data output register
      byte_offset: 12
      fieldset: DOUTR
    - name: KEYR
      description: Key register
      array:
        offsets:
          - 0
          - 4
          - 8
          - 12
          - 32
          - 36
          - 40
          - 44
      byte_offset: 16
      fieldset: KEYR
    - name: IVR
      description: Initialization vector register
      array:
        len: 4
        stride: 4
      byte_offset: 32
      fieldset: IVR
    - name: SUSPR
      description: Suspend register
      array:
        len: 8
        stride: 4
      byte_offset: 64
      fieldset: SUSPR
fieldset/CR:
  description: Control register
  fields:
    - name: EN
      description: AES enable
      bit_offset: 0
      bit_size: 1
    - name: DATATYPE
      description: Data type selection
      bit_offset: 1
      bit_size: 2
      enum: DATATYPE
    - name: MODE
      description: Operating mode
      bit_offset: 3
      bit_size: 2
      enum: MODE
    - name: CHMOD10
      description: Chaining mode bit1 bit0
      bit_offset: 5
      bit_size: 2
    - name: CCFC
      description: Computation Complete Flag Clear
      bit_offset: 7
      bit_size: 1
    - name: ERRC
      description: Error clear
      bit_offset: 8
      bit_size: 1
    - name: CCFIE
      description: CCF flag interrupt enable
      bit_offset: 9
      bit_size: 1
    - name: ERRIE
      description: Error interrupt enable
      bit_offset: 10
      bit_size: 1
    - name: DMAINEN
      description: Enable DMA management of data input phase
      bit_offset: 11
      bit_size: 1
    - name: DMAOUTEN
      description: Enable DMA management of data output phase
      bit_offset: 12
      bit_size: 1
    - name: GCMPH
      description: GCM or CCM phase selection
      bit_offset: 13
      bit_size: 2
      enum: GCMPH
    - name: CHMOD2
      description: Chaining mode bit2
      bit_offset: 16
      bit_size: 1
    - name: KEYSIZE
      description: Key size selection
      bit_offset: 18
      bit_size: 1
fieldset/DINR:
  description: Data input register
  fields:
    - name: DIN
      description: Input data word
      bit_offset: 0
      bit_size: 32
fieldset/DOUTR:
  description: Data output register
  fields:
    - name: DOUT
      description: Output data word
      bit_offset: 0
      bit_size: 32
fieldset/IVR:
  description: Initialization vector register
  fields:
    - name: IVI
      description: Initialization vector input
      bit_offset: 0
      bit_size: 32
fieldset/KEYR:
  description: Key register
  fields:
    - name: KEY
      description: Cryptographic key
      bit_offset: 0
      bit_size: 32
fieldset/SR:
  description: Status register
  fields:
    - name: CCF
      description: Computation complete flag
      bit_offset: 0
      bit_size: 1
    - name: RDERR
      description: Read error flag
      bit_offset: 1
      bit_size: 1
    - name: WRERR
      description: Write error flag
      bit_offset: 2
      bit_size: 1
    - name: BUSY
      description: Busy flag
      bit_offset: 3
      bit_size: 1
fieldset/SUSPR:
  description: Suspend register
  fields:
    - name: SUSP
      description: AES suspend
      bit_offset: 0
      bit_size: 32
enum/DATATYPE:
  bit_size: 2
  variants:
    - name: None
      description: Word
      value: 0
    - name: HalfWord
      description: Half-word (16-bit)
      value: 1
    - name: Byte
      description: Byte (8-bit)
      value: 2
    - name: Bit
      description: Bit
      value: 3
enum/GCMPH:
  bit_size: 2
  variants:
    - name: Init phase
      description: Init phase
      value: 0
    - name: Header phase
      description: Header phase
      value: 1
    - name: Payload phase
      description: Payload phase
      value: 2
    - name: Final phase
      description: Final phase
      value: 3
enum/MODE:
  bit_size: 2
  variants:
    - name: Mode1
      description: "Encryption"
      value: 0
    - name: Mode2
      description: "Key derivation (or key preparation for ECB/CBC decryption)"
      value: 1
    - name: Mode3
      description: "Decryption"
      value: 2
    - name: Mode4
      description: "Key derivation then single decryption"
      value: 3