CTIPIDR1, CTI Peripheral Identification Register 1

The CTIPIDR1 characteristics are:

Purpose

Provides information to identify a CTI component.

For more information see 'About the Peripheral identification scheme' in the Arm® Architecture Reference Manual, Armv8, for Armv8-A architecture profile, section H8 (About the External Debug Registers).

Configuration

CTIPIDR1 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

Attributes

CTIPIDR1 is a 32-bit register.

Field descriptions

The CTIPIDR1 bit assignments are:

313029282726252423222120191817161514131211109876543210
RES0DES_0PART_1

Bits [31:8]

Reserved, RES0.

DES_0, bits [7:4]

Designer, least significant nibble of JEP106 ID code. For Arm Limited, this field is 0b1011.

PART_1, bits [3:0]

Part number, most significant nibble.

Accessing the CTIPIDR1

CTIPIDR1 can be accessed through the external debug interface:

ComponentOffsetInstance
CTI0xFE4CTIPIDR1

Access on this interface is RO.




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