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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
enabled-by: true
links:
- role: spec-member
uid: root
- role: spec-refinement
spec-key: interface-type
spec-value: register-block
uid: interface
spec-description: null
spec-example: null
spec-info:
dict:
attributes:
brief:
description: null
spec-type: interface-brief
definition:
description: null
spec-type: interface-register-block-member-directive-list
description:
description: null
spec-type: interface-description
identifier:
description: null
spec-type: interface-group-identifier
name:
description: |
It shall be the name of the register block.
spec-type: str
notes:
description: null
spec-type: interface-notes
registers:
description: null
spec-type: interface-register-list
register-block-group:
description: |
It shall be the name of the interface group defined for the register
block. For the group identifier see the ``identifier`` attribute.
spec-type: str
register-block-size:
description: |
If the value is present, then it shall be the size of the register
block in units of the address space granule.
spec-type: optional-int
register-prefix:
description: |
If the value is present, then it will be used to prefix register bit
field names, otherwise the value of the ``name`` attribute will be
used.
spec-type: optional-str
description: |
This set of attributes specifies a register block. A register block may
be used to specify the interface of devices. Register blocks consist of
register block members specified by the ``definition`` attribute.
Register block members are either instances of registers specified by the
``registers`` attribute or instances of other register blocks specified
by links with the ${interface-register-block-include-role:/spec-name}.
Registers consists of bit fields (see
${interface-register-bits:/spec-name}. The register block members are
placed into the address space of the device relative to the base address
of the register block. Register member offsets and the register block
size are specified in units of the address space granule.
mandatory-attributes: all
spec-name: Register Block Item Type
spec-type: interface-register-block
type: spec
|
