CSUIDR

         Coherent Subsystem Unit Identification Register
      
Module Instance Base Address Register Address
CCU_SYSTEM 0xF70FF000 0xF70FFFF8

Size: 32

Offset: 0xFF8

Access: RO

Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

rsvd4

RO 0x0

NumCmius

RO 0x6

rsvd3

RO 0x0

NumDirus

RO 0x4

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

rsvd2

RO 0x0

NumNcbus

RO 0x0

rsvd1

RO 0x0

NumCaius

RO 0x4

CSUIDR Fields

Bit Name Description Access Reset
31:30 rsvd4
Reserved (RAZ/WI)
RO 0x0
29:24 NumCmius
Number of Coherent Memory Interface Units
RO 0x6
23:22 rsvd3
Reserved (RAZ/WI)
RO 0x0
21:16 NumDirus
Number of Directory Units
RO 0x4
15:14 rsvd2
Reserved (RAZ/WI)
RO 0x0
13:8 NumNcbus
Number of Non-coherent Bridge Units
RO 0x0
7 rsvd1
Reserved (RAZ/WI)
RO 0x0
6:0 NumCaius
Number of Coherent Agent Interface Units
RO 0x4