Altera RapidIO MegaCore Function - Manual (Page 46)

3–10 Chapter 3: Parameter Settings
Capability Registers Settings
RapidIO MegaCore Function August 2014 Altera Corporation
User Guide
Enable Switch Support
Enable switch support , when turned on, sets the SWITCH bit in the Processing
Element Features CAR ( Table 6–16 on page 6–12 ) and indicates that the processing
element can bridge to another external RapidIO interface. A processing element that
only bridges to a local endpoint is not considered a switch port.
Number of Ports
Number of ports specifies the total number of ports on the processing element. This
value sets the PORT_TOTAL field of the Switch Port Information CAR ( Table 6–17 on
page 6–13 ).
Port Number
Port number sets the PORT_NUMBER field of the Switch Port Information CAR. This
value is the number of the port from which the MAINTENANCE read operation accesses
this register.
Data Messages
The Data Messages options indicate which, if any, data message operations are
supported by user logic attached to the pass-through interface, which you must select
on the Transport and Maintenance page.
1
Turning on one or both of Source operation and Destination operation causes
additional input ports to be added to the RapidIO IP core to support reporting of
data-message related errors through the standard Error Management Extension
registers.
For more information, refer to Chapter 5, Signals and Chapter 6, Software Interface .
Source Operation
Source operation , when turned on, sets the Data Message bit in the Source Operations
CAR ( Table 6–18 on page 6–14 ) and indicates that this endpoint can issue Data
Message request packets.
Destination Operation
Destination operation , when turned on, sets the Data Message bit in the Destination
Operations CAR ( Table 6–19 on page 6–14 ) and indicates that this endpoint can
process received Data Message request packets.