
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
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