Doorbell message registers, Doorbell message registers –26, Doorbell message registers” on – Altera RapidIO MegaCore Function User Manual
Page 158: Table 6–54, Table 6–55, Table 6–56, Table 6–57
6–26
Chapter 6: Software Interface
Transport and Logical Layer Registers
RapidIO MegaCore Function
August 2014
Altera Corporation
User Guide
Doorbell Message Registers
The RapidIO IP core has registers accessible by the Avalon-MM slave port in the
Doorbell module. These registers are described in the following sections.
Refer to
“Doorbell Module” on page 4–53
for a detailed explanation of the DOORBELL
messaging support.
RSRV
[21-8]
RO
Reserved
14'h0
Implementation Specific
error enable
[7-0]
RO
This feature is not supported.
8’b0
Table 6–53. Logical/Transport Layer Error Enable CSR—Offset: 0x10804 (Part 2 of 2)
Field
Bits
Access
Function
Default
Table 6–54. Logical/Transport Layer Address Capture CSR—Offset: 0x10808
Field
Bits
Access
Function
Default
ADDRESS
[31:3]
RO
Bits 31 to 3 of the RapidIO address associated with the error.
29'h0
RSRV
[2]
RO
Reserved
1'b0
XAMSBS
[1:0]
RO
Extended address bits of the address associated with the error.
2'h0
Table 6–55. Logical/Transport Layer Device ID Capture CSR—Offset: 0x1080C
Field
Bits
Access
Function
Default
LARGE_DESTINATION_ID
(MSB)
[31:24]
RO
Reserved if the system does not support 16-bit device ID.
8'h0
RW
MSB of the Destination ID if the system supports 16-bit
device ID.
DESTINATION_ID
[23:16] RO
The destination ID associated with the error.
8'h0
LARGE_SOURCE_ID (MSB)
[15:8]
RO
Reserved if the system does not support 16-bit device ID.
8'h0
RW
MSB of the Source ID if the system supports 16-bit device
ID.
SOURCE_ID
[7:0]
RO
The source ID associated with the error.
8'h0
Table 6–56. Logical/Transport Layer Control Capture CSR—Offset: 0x10810
Field
Bits
Access
Function
Default
FTYPE
[31:28]
RO
Format type associated with the error.
4'h0
TTYPE
[27:24]
RO
Transaction type associated with the error.
4'h0
MSG_INFO
[23:16]
RO
Letter, mbox, and msgseg for the last message request received
for the mailbox that had and error.
8'h0
Implementation
Specific
[15:0]
RO
Reserved for this implementation.
16'h0
Table 6–57. Doorbell Message Module Memory Map (Part 1 of 2)
Address
Name
Used by
Doorbell Message Space