block/SHA:
  description: SHA (Secure Hash Algorithm) Accelerator.
  items:
  - name: MODE
    description: Initial configuration register.
    byte_offset: 0
    fieldset: MODE
  - name: T_STRING
    description: SHA 512/t configuration register 0.
    byte_offset: 4
    fieldset: T_STRING
  - name: T_LENGTH
    description: SHA 512/t configuration register 1.
    byte_offset: 8
    fieldset: T_LENGTH
  - name: DMA_BLOCK_NUM
    description: DMA configuration register 0.
    byte_offset: 12
    fieldset: DMA_BLOCK_NUM
  - name: START
    description: Typical SHA configuration register 0.
    byte_offset: 16
    fieldset: START
  - name: CONTINUE
    description: Typical SHA configuration register 1.
    byte_offset: 20
    fieldset: CONTINUE
  - name: BUSY
    description: Busy register.
    byte_offset: 24
    fieldset: BUSY
  - name: DMA_START
    description: DMA configuration register 1.
    byte_offset: 28
    fieldset: DMA_START
  - name: DMA_CONTINUE
    description: DMA configuration register 2.
    byte_offset: 32
    fieldset: DMA_CONTINUE
  - name: CLEAR_IRQ
    description: Interrupt clear register.
    byte_offset: 36
    fieldset: CLEAR_IRQ
  - name: IRQ_ENA
    description: Interrupt enable register.
    byte_offset: 40
    fieldset: IRQ_ENA
  - name: DATE
    description: Date register.
    byte_offset: 44
    fieldset: DATE
  - name: H_MEM
    description: Sha H memory which contains intermediate hash or finial hash.
    array:
      len: 8
      stride: 4
    byte_offset: 64
  - name: M_MEM
    description: Sha M memory which contains message.
    array:
      len: 16
      stride: 4
    byte_offset: 128
fieldset/BUSY:
  description: Busy register.
  fields:
  - name: STATE
    description: 'Sha busy state. 1''b0: idle. 1''b1: busy.'
    bit_offset: 0
    bit_size: 1
fieldset/CLEAR_IRQ:
  description: Interrupt clear register.
  fields:
  - name: CLEAR_INTERRUPT
    description: Clear sha interrupt.
    bit_offset: 0
    bit_size: 1
fieldset/CONTINUE:
  description: Typical SHA configuration register 1.
  fields:
  - name: CONTINUE
    description: Reserved.
    bit_offset: 1
    bit_size: 31
fieldset/DATE:
  description: Date register.
  fields:
  - name: DATE
    description: Sha date information/ sha version information.
    bit_offset: 0
    bit_size: 30
fieldset/DMA_BLOCK_NUM:
  description: DMA configuration register 0.
  fields:
  - name: DMA_BLOCK_NUM
    description: Dma-sha block number.
    bit_offset: 0
    bit_size: 6
fieldset/DMA_CONTINUE:
  description: DMA configuration register 2.
  fields:
  - name: DMA_CONTINUE
    description: Continue dma-sha.
    bit_offset: 0
    bit_size: 1
fieldset/DMA_START:
  description: DMA configuration register 1.
  fields:
  - name: DMA_START
    description: Start dma-sha.
    bit_offset: 0
    bit_size: 1
fieldset/IRQ_ENA:
  description: Interrupt enable register.
  fields:
  - name: INTERRUPT_ENA
    description: 'Sha interrupt enable register. 1''b0: disable(default). 1''b1: enable.'
    bit_offset: 0
    bit_size: 1
fieldset/MODE:
  description: Initial configuration register.
  fields:
  - name: MODE
    description: Sha mode.
    bit_offset: 0
    bit_size: 3
fieldset/START:
  description: Typical SHA configuration register 0.
  fields:
  - name: START
    description: Reserved.
    bit_offset: 1
    bit_size: 31
fieldset/T_LENGTH:
  description: SHA 512/t configuration register 1.
  fields:
  - name: T_LENGTH
    description: Sha t_length (used if and only if mode == SHA_512/t).
    bit_offset: 0
    bit_size: 6
fieldset/T_STRING:
  description: SHA 512/t configuration register 0.
  fields:
  - name: T_STRING
    description: Sha t_string (used if and only if mode == SHA_512/t).
    bit_offset: 0
    bit_size: 32