2.3.6 ITS configuration

You can configure several options that relate to the operation of the ITS block.

Table 2-12 Configurable options for the ITS

Feature Range of options

DeviceID

For more information, see 2.3 ITS

3-20

EventID size

For more information, see 2.3 ITS

1-16
Bypass_ports 1 or 0
ACE-Lite data width 64, 128, or 256
MSI-64 support True or False
ACE-Lite read ID width 1-32
ACE-Lite write ID width 1-32

ECC support

For more information, see 3.16 Reliability, Accessibility, and Serviceability.

True or False
DID cache size 2, 4, 8, 16, 32, 64, or 128
DID and VID cache size 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, or 2048
Collection cache size 2, 4, 8, 16, 32, 64, 128, 256, or 512

Domain

For more information, see Figure   2-8 GIC top-level structure options.

Any legal domain identifier

For more information, see Arm® GICv3 and GICv4 Software Overview.

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