Irq Status Register; Fiq Status Register - Intel IXP45X Developer's Manual

Intel
17.6.4

IRQ Status Register

Register Name:
0xC800 300C
Physical Address:
This register is an "AND" of the incoming status with the INTR_EN and the inverted version
Register
of the INTR_SEL. The INTR_IRQ_ST indicates which of the incoming interrupts are enabled
Description:
as an IRQ. An Interrupt is enabled if the corresponding bit is set, else it is disabled.
Access: Read.
31
Register Name:
0xC800 302C
Physical Address:
This register is an "AND" of the incoming status with the INTR_EN2 and the inverted version
Register
of the INTR_SEL2. The INTR_IRQ_ST2 indicates which of the incoming interrupts are
Description:
enabled as an IRQ. An Interrupt is enabled if the corresponding bit is set, else it is disabled.
Access: Read.
31
17.6.5

FIQ Status Register

Register Name:
0xC800 3010
Physical Address:
This register is an "AND" of the incoming status with the INTR_EN and the INTR_SEL. The
Register
INTR_FIQ_ST indicates which of the incoming interrupts are enabled as a FIQ. An Interrupt
Description:
is enabled if the corresponding bit is set. Otherwise, it is disabled.
Access: Read.
31
Register Name:
0xC800 3030
Physical Address:
This register is an "AND" of the incoming status with the INTR_EN2 and the INTR_SEL2. The
Register
INTR_FIQ_ST indicates which of the incoming interrupts are enabled as a FIQ. An Interrupt
Description:
is enabled if the corresponding bit is set. Otherwise, it is disabled.
Access: Read.
31
® ®
Intel IXP45X and Intel IXP46X Product Line of Network Processors
Developer's Manual
814
® ®
IXP45X and Intel IXP46X Product Line of Network Processors—Interrupt Controller
IRQ Status Information[31:0]
IRQ Status Information[63:32]
FIQ Status Info[31:0]
FIQ Status Info[63:32]
INTR_ IRQ_ST
0x00000000
Reset Hex Value:
INTR_ IRQ_ST2
0x00000000
Reset Hex Value:
INTR_FIQ_ST
0x00000000
Reset Hex Value:
INTR_FIQ_ST2
0x00000000
Reset Hex Value:
August 2006
Reference Number: 306262-004US
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