Arm
®
CoreLink™ GIC-600AE Generic Interrupt Controller
Technical Reference Manual
Document ID: 101206_0003_04_en
Issue: 04
Components and configuration
3.1.5 Distributor P-Channel
The P-Channel is used for power control of the GIC-600AE Distributor.
The P-Channel is present only in multichip configurations. It is used to safely isolate the Distributor
from other chips to allow the save and restore of its register states.
Related information
Power management on page 56
3.1.6 Distributor configuration
You can configure several options that relate to the operation of the Distributor block.
Table 3-5: Configurable options for the Distributor
Feature Range of options
Number of chips 1-16
Affinity level that is used for
chip selection
2, 3
Affinity0 width 0-4
Affinity1 width 0-8
Affinity2 width 0-8
Affinity3 width 0-8
LPI support True, False
LPI cache size (entries / 2) 8, 16, 32, 64, 128, 256, 512
Number of ITS 0-16
Number of Redistributors on
chip
1-64
Number of message-based
SPIs permitted in system
32-960, in blocks of 32
Number of SPI wires on chip
for wire-based SPIs
0-960
Security support Options include:
•
Security support programmable. Resets to support security.
•
Security support always present
•
Security support not present
See Security model in the GICv3 and GICv4 Software Overview for information about
the implications of setting security support to not present.
For more information, see the Arm
®
CoreLink
™
GIC-600AE Generic Interrupt Controller Configuration
and Integration Manual.
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