Zynq UltraScale+ Devices Register Reference > Module Summary > PL390 Module > enable_periph_id_7 (PL390) Register

enable_periph_id_7 (PL390) Register

enable_periph_id_7 (PL390) Register Description

Register Nameenable_periph_id_7
Relative Address0x0000000FEC
Absolute Address 0x00F9000FEC (RCPU_GIC)
Width 8
TyperoRead-only
Reset Value0x00000092
DescriptionThe periph_id_[8:0] Registers provide information about the
configuration of the peripheral. Note some fields span across
adjacent registers.

enable_periph_id_7 (PL390) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
tz 7roRead-only0x1Identifies the number of security states that the GIC supports.
priority 6:4roRead-only0x1The number of priority levels that the GIC provides:
b000 = 16 priority levels,
b001 = 32 priority levels,
b010 = 64 priority levels,
b011 = 128 priority levels,
b100 = 256 priority levels,
b101-b111 = reserved.
spi_number_1 3:0roRead-only0x2The MSBs of the number of SPIs that the GIC provides.