Altera Arria V Avalon-MM User Manual
Page 91
Table 5-24: Avalon‑MM Interrupt Status Registers for Root Ports, 0x3060
Bits
Name
Access
Mode
Description
[31:5] Reserved
—
—
[4]
RPRX_CPL_RECEIVED
RW1C
Set to 1’b1 when the Root Port has
received a Completion TLP for an
outstanding Non-Posted request from
the TLP Direct channel.
[3]
INTD_RECEIVED
RW1C
The Root Port has received INTD from
the Endpoint.
[2]
INTC_RECEIVED
RW1C
The Root Port has received INTC from
the Endpoint.
[1]
INTB_RECEIVED
RW1C
The Root Port has received INTB from
the Endpoint.
[0]
INTA_RECEIVED
RW1C
The Root Port has received INTA from
the Endpoint.
Table 5-25: INT‑X Interrupt Enable Register for Root Ports, 0x3070
Bit
Name
Access
Mode
Description
[31:5] Reserved
—
—
[4]
RPRX_CPL_RECEIVED
RW
When set to 1’b1, enables the assertion
of
CraIrq_o
when the Root Port
Interrupt Status register
RPRX_CPL_
RECEIVED
bit indicates it has received a
Completion for a Non-Posted request
from the TLP Direct channel.
[3]
INTD_RECEIVED_ENA
RW
When set to 1’b1, enables the assertion
of
CraIrq_o
when the Root Port
Interrupt Status register
INTD_
RECEIVED
bit indicates it has received
INTD.
UG-01105_avmm
2014.12.15
PCI Express to Avalon-MM Interrupt Status and Enable Registers for Root Ports
5-29
Registers
Altera Corporation