GITS_MPAMIDR, Report maximum PARTID and PMG Register

The GITS_MPAMIDR characteristics are:

Purpose

Reports the maximum support PARTID and PMG values.

Configuration

This register is present only when GICv3.1 is implemented. Otherwise, direct accesses to GITS_MPAMIDR are RES0.

A copy of this register is provided for each ITS.

When GITS_TYPER.MPAM==0, this register is RES0.

Attributes

GITS_MPAMIDR is a 32-bit register.

Field descriptions

313029282726252423222120191817161514131211109876543210
RES0PMGmaxPARTIDmax

Bits [31:24]

Reserved, RES0.

PMGmax, bits [23:16]

Maximum PMG value supported.

This field has an IMPLEMENTATION DEFINED value.

Access to this field is RO.

PARTIDmax, bits [15:0]

Maximum PARTID value supported.

This field has an IMPLEMENTATION DEFINED value.

Access to this field is RO.

Accessing GITS_MPAMIDR

GITS_MPAMIDR can be accessed through the memory-mapped interfaces:

ComponentOffset
GIC ITS control0x0010

Accesses on this interface are RO.


26/03/2024 09:49; 67c0ae5282a7629ba0ea0ba7267b43cd4f7939f6

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