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MPAMF_PARTID_NRW_IDR, MPAM PARTID Narrowing ID register

The MPAMF_PARTID_NRW_IDR characteristics are:

Purpose

The MPAMF_PARTID_NRW_IDR is a 32-bit read-only register that indicates the largest internal PARTID for this MSC. MPAMF_PARTID_NRW_IDR_s indicates the largest Secure internal PARTID. MPAMF_PARTID_NRW_IDR_ns indicates the largest Non-secure internal PARTID.

Configuration

The power domain of MPAMF_PARTID_NRW_IDR is IMPLEMENTATION DEFINED.

This register is present only when MPAMF_IDR.HAS_PARTID_NRW == 1. Otherwise, direct accesses to MPAMF_PARTID_NRW_IDR are RES0.

Attributes

MPAMF_PARTID_NRW_IDR is a 32-bit register.

Field descriptions

The MPAMF_PARTID_NRW_IDR bit assignments are:

313029282726252423222120191817161514131211109876543210
RES0INTPARTID_MAX

Bits [31:16]

Reserved, RES0.

INTPARTID_MAX, bits [15:0]

The largest intPARTID supported in this MSC.

Accessing the MPAMF_PARTID_NRW_IDR

This register is within the MPAM feature page memory frames. In a system that supports Secure and Non-secure memory maps, there must be both Secure and Non-secure MPAM feature pages.

MPAMF_PARTID_NRW_IDR is read-only.

MPAMF_PARTID_NRW_IDR must be readable from the Non-secure and Secure MPAM feature pages.

MPAMF_PARTID_NRW_IDR is permitted to have the same contents when read from either the Secure and Non-secure MPAM feature pages unless the register contents is different for Secure and Non-secure versions, when there must be separate registers in the Secure (MPAMF_PARTID_NRW_IDR_s) and Non-secure (MPAMF_PARTID_NRW_IDR_ns) MPAM feature pages.

MPAMF_PARTID_NRW_IDR can be accessed through the memory-mapped interfaces:

ComponentFrameOffsetInstance
MPAMMPAMF_BASE_s0x0050MPAMF_PARTID_NRW_IDR_s

Accesses on this interface are RO.

ComponentFrameOffsetInstance
MPAMMPAMF_BASE_ns0x0050MPAMF_PARTID_NRW_IDR_ns

Accesses on this interface are RO.



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