GICM_IIDR, Distributor Implementer Identification Register

The GICM_IIDR characteristics are:

Purpose

Provides information about the implementer and revision of the Distributor.

Configuration

This register is available in all configurations of the GIC. If the GIC implementation supports two Security states, this register is Common.

Attributes

GICM_IIDR is a 32-bit register.

Field descriptions

The GICM_IIDR bit assignments are:

313029282726252423222120191817161514131211109876543210
ProductIDRES0VariantRevisionImplementer

ProductID, bits [31:24]

Product Identifier.

This field has an IMPLEMENTATION DEFINED value.

Access to this field is RO.

Bits [23:20]

Reserved, RES0.

Variant, bits [19:16]

Variant number. Typically, this field is used to distinguish product variants, or major revisions of a product.

This field has an IMPLEMENTATION DEFINED value.

Access to this field is RO.

Revision, bits [15:12]

Revision number. Typically, this field is used to distinguish minor revisions of a product.

This field has an IMPLEMENTATION DEFINED value.

Access to this field is RO.

Implementer, bits [11:0]

Contains the JEP106 code of the company that implemented the Distributor:

Accessing the GICM_IIDR

GICM_IIDR can be accessed through the memory-mapped interfaces:

ComponentFrameOffsetInstance
GIC DistributorMSI_base0x0FCCGICM_IIDR

This interface is accessible as follows:


30/03/2021 20:51; e3551d56dc294a4d55296a6c10544191ada08a8e

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