Interrupt Status Register - Intel IXP45X Developer's Manual

Intel
Table 263. Interrupt Controller Memory Mapped Registers (Sheet 2 of 2)
Address
0xC800300C
0xC8003010
0xC8003014
0xC8003018
0xC800301C
0xC8003020
0xC8003024
0xC8003028
0xC800302C
0xC8003030
0xC8003034
17.6.1

Interrupt Status Register

Register Name:
0xC800 3000
Physical Address:
This register indicates the state of each incoming interrupt. Note that this is not a register in
Register
the normal sense, but simply provides visibility into the individual interrupt outputs from
Description:
each source. For this reason, there is no "reset value".
Access: Read.
31
Register Name:
0xC800 3020
Physical Address:
This register indicates the state of each incoming interrupt. Note that this is not a register in
Register
the normal sense, but simply provides visibility into the individual interrupt outputs from
Description:
each source. For this reason, there is no "reset value".
Access: Read.
31
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Intel IXP45X and Intel IXP46X Product Line of Network Processors
Developer's Manual
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IXP45X and Intel IXP46X Product Line of Network Processors—Interrupt Controller
Access
RO
RO
RW
RO INTR_IRQ_ENC_ST
RO INTR_FIQ_ENC_ST
RO
RW
RW
RO
RO
RW
Incoming Interrupt Status [31:0]
Incoming Interrupt Status [63:32]
Name
INTR_IRQ_ST IRQ Status register
INTR_FIQ_ST FIQ status Register
INTR_PRTY Interrupt Priority Register
IRQ Highest Priority Register
FIQ Highest Priority Register
Interrupt Status Register 2
INTR_ST2
INTR_EN2 Interrupt Enable Register 2
INTR_SEL2 Interrupt Select Register 2
INTR_IRQ_ST2 IRQ Status register 2
INTR_FIQ_ST2 FIQ status Register 2
ERROR_EN2 Error Priority Enable Register
INTR_ST
Reset Hex Value:
INTR_ST2
Reset Hex Value:
Description
August 2006
Reference Number: 306262-004US
0
0