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
  - name: DOUTR
    description: Data output register
    byte_offset: 12
  - name: KEYR
    description: Key register
    array:
      offsets:
      - 0
      - 4
      - 8
      - 12
      - 32
      - 36
      - 40
      - 44
    byte_offset: 16
  - name: IVR
    description: Initialization vector register
    array:
      len: 4
      stride: 4
    byte_offset: 32
  - name: SUSPR
    description: Suspend register
    array:
      len: 8
      stride: 4
    byte_offset: 64
  - name: IER
    description: interrupt enable register
    byte_offset: 768
    fieldset: IER
  - name: ISR
    description: interrupt status register
    byte_offset: 772
    fieldset: ISR
  - name: ICR
    description: interrupt clear register
    byte_offset: 776
    fieldset: ICR
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: CHMOD
    description: Chaining mode selection
    bit_offset:
    - start: 5
      end: 6
    - start: 16
      end: 16
    bit_size: 3
    enum: CHMOD
  - 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: KEYSIZE
    description: Key size selection
    bit_offset: 18
    bit_size: 1
  - name: NPBLB
    description: Number of padding bytes in last block of payload
    bit_offset: 20
    bit_size: 4
  - name: KMOD
    description: Key mode selection
    bit_offset: 24
    bit_size: 2
  - name: IPRST
    description: AES peripheral software reset
    bit_offset: 31
    bit_size: 1
fieldset/ICR:
  description: Interrupt clear register
  fields:
  - name: CCF
    description: Computation complete flag clear
    bit_offset: 0
    bit_size: 1
  - name: RWEIF
    description: Read or write error interrupt flag clear
    bit_offset: 1
    bit_size: 1
  - name: KEIF
    description: Key error interrupt flag clear
    bit_offset: 2
    bit_size: 1
fieldset/IER:
  description: Interrupt enable register
  fields:
  - name: CCFIE
    description: Computation complete flag interrupt enable
    bit_offset: 0
    bit_size: 1
  - name: RWEIE
    description: Read or write error interrupt enable
    bit_offset: 1
    bit_size: 1
  - name: KEIE
    description: Key error interrupt enable
    bit_offset: 2
    bit_size: 1
fieldset/ISR:
  description: Interrupt status register
  fields:
  - name: CCF
    description: Computation complete flag
    bit_offset: 0
    bit_size: 1
  - name: RWEIF
    description: Read or write error interrupt flag
    bit_offset: 1
    bit_size: 1
  - name: KEIF
    description: Key error interrupt flag
    bit_offset: 2
    bit_size: 1
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
  - name: KEYVALID
    description: Key valid flag
    bit_offset: 7
    bit_size: 1
enum/CHMOD:
  bit_size: 3
  variants:
  - name: ECB
    description: Electronic codebook
    value: 0
  - name: CBC
    description: Cipher-block chaining
    value: 1
  - name: CTR
    description: Counter mode
    value: 2
  - name: GCM_GMAC
    description: Galois counter mode and Galois message authentication code
    value: 3
  - name: CCM
    description: Counter with CBC-MAC
    value: 4
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