Altera Arria 10 Avalon-MM - Manual (Page 36)

Parameter Value Default Value Description
Track RX
completion
buffer
overflow on
the Avalon-
ST interface
On/Off Off When On, the core includes the
rxfx_cplbuf_ovf
output status signal to track the RX posted completion
buffer overflow status.
Not applicable for Avalon-MM or Avalon-MM DMA
interfaces.
Note:
1. Throughout this user guide, the terms word, dword and qword have the same meaning that they have
in the PCI Express Base Specification. A word is 16 bits, a dword is 32 bits, and a qword is 64 bits.
Link Capabilities
Table 3-7: Link Capabilities
Parameter Value Description
Link port
number
0x01 Sets the read-only value of the port number field in the
Link
Capabilities
register.
Data link layer
active reporting
On/Off
Turn On this parameter for a downstream port, if the
component supports the optional capability of reporting the
DL_Active state of the Data Link Control and Management
State Machine. For a hot-plug capable downstream port (as
indicated by the
Hot Plug Capable
field of the
Slot
Capabilities
register), this parameter must be turned On.
For upstream ports and components that do not support this
optional capability, turn Off this option. This parameter is
only supported for the Arria 10 Hard IP for PCI Express in
Root Port mode.
Not applicable for Avalon-MM or Avalon-MM DMA
interfaces.
Surprise down
reporting
On/Off
When this option is On, a downstream port supports the
optional capability of detecting and reporting the surprise
down error condition. This parameter is only supported for
the Arria 10 Hard IP for PCI Express in Root Port mode.
Not applicable for Avalon-MM or Avalon-MM DMA
interfaces.
3-10 Link Capabilities
UG-01145_avmm
2015.05.14
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