ARM Cortex-A53 MPCore - 11.11 ROM Table

Debug
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11.11 ROM table
The Cortex-A53 processor includes a ROM table that complies with the ARM
®
CoreSight
™
Architecture Specification. This table contains a list of components such as processor debug
units, processor Cross Trigger Interfaces (CTIs), processor Performance Monitoring Units
(PMUs) and processor Embedded Trace Macrocell (ETM) trace units. Debuggers can use the
ROM table to determine which components are implemented inside the Cortex-A53 processor.
If a component is not included in your configuration of the Cortex-A53 processor, the
corresponding debug APB ROM table entry is still present but the component is marked as not
present.
11.11.1 ROM table register interface
The interface to the ROM table entries is the APB slave port. See External debug interface on
page 11-37.
11.11.2 ROM table register summary
Table 11-28 shows the offsets from the physical base address of the ROM table.
Table 11-28 ROM table registers
Offset Name Type Description
0x000 ROMENTRY0 RO Core 0 Debug, see ROM entry registers on page 11-42
0x004 ROMENTRY1 RO Core 0 CTI, see ROM entry registers on page 11-42
0x008 ROMENTRY2 RO Core 0 PMU, see ROM entry registers on page 11-42
0x00C ROMENTRY3 RO Core 0 ETM, see ROM entry registers on page 11-42
0x010 ROMENTRY4 RO Core 1 Debug, see ROM entry registers on page 11-42
0x014 ROMENTRY5 RO Core 1 CTI, see ROM entry registers on page 11-42
0x018 ROMENTRY6 RO Core 1 PMU, see ROM entry registers on page 11-42
0x01C ROMENTRY7 RO Core 1 ETM, see ROM entry registers on page 11-42
0x020 ROMENTRY8 RO Core 2 Debug, see ROM entry registers on page 11-42
0x024 ROMENTRY9 RO Core 2 CTI, see ROM entry registers on page 11-42
0x028 ROMENTRY10 RO Core 2 PMU, see ROM entry registers on page 11-42
0x02C ROMENTRY11 RO Core 2 ETM, see ROM entry registers on page 11-42
0x030 ROMENTRY12 RO Core 3 Debug, see ROM entry registers on page 11-42
0x034 ROMENTRY13 RO Core 3 CTI, see ROM entry registers on page 11-42
0x038 ROMENTRY14 RO Core 3 PMU, see ROM entry registers on page 11-42
0x03C ROMENTRY15 RO Core 3 ETM, see ROM entry registers on page 11-42
0x040-0xFCC -RO Reserved, RES0
0xFD0 ROMPIDR4 RO Peripheral Identification Register 4 on page 11-48
0xFD4 ROMPIDR5 RO Peripheral Identification Register 5-7 on page 11-49
0xFD8 ROMPIDR6 RO Peripheral Identification Register 5-7 on page 11-49