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 FEAT_GICv3p1 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.

PARTIDmax, bits [15:0]

Maximum PARTID value supported.

Accessing GITS_MPAMIDR

GITS_MPAMIDR can be accessed through the memory-mapped interfaces:

ComponentOffset
GIC ITS control0x0010

Accesses on this interface are RO.


04/07/2023 11:22; 1b994cb0b8c6d1ae5a9a15edbc8bd6ce3b5c7d68

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