Arm
®
CoreLink™ GIC-600AE Generic Interrupt Controller
Technical Reference Manual
Document ID: 101206_0003_04_en
Issue: 04
Programmers model
5.5.4 GICR_CFGID0, Configuration ID0 Register
This register returns information about the configuration of the Redistributors.
Configurations
This register is available in all configurations.
Attributes
Width 32-bit
Functional group See 5.5 Redistributor registers for SGIs and PPIs summary on page 130 for
the address offset, type, and reset value of this register.
Usage constraints
There are no usage constraints.
Bit descriptions
Figure 5-27: GICR_CFGID0 bit assignments
28 1112 910 8
PPINumber
TGT0List
Width
Table 5-34: GICR_CFGID0 bit descriptions
Bits Name Description
[31:28] Af3Width Affinity 3 width
[27:24] Af2Width Affinity 2 width
[23:20] Af1Width Affinity 1 width
[19:16] Af0Width Affinity 0 width
[15:12] TGT0ListWidth The Target0 list width − 1
[11] ECCSupport 1 = ECC is supported
[10:9] - Reserved, RAZ
[8:0] PPINumber RedistributorID.
The ppi_id[15:0] tie-off signal sets the value of the ID. Each Redistributor must have a unique
ID.
Related information
Miscellaneous signals on page 258
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