Texas Instruments TMS320TCI648x Benutzerhandbuch
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5.72 Port Error and Status CSR n (SPn_ERR_STAT)
SRIO Registers
Each of the four ports is supported by a register of this type (see
). The port error and status
CSR n (SPn_ERR_STAT) is shown in
and described in
.
Table 146. SPn_ERR_STAT Registers and the Associated Ports
Register
Address Offset
Associated Port
SP0_ERR_STAT
1158h
Port 0
SP1_ERR_STAT
1178h
Port 1
SP2_ERR_STAT
1198h
Port 2
SP3_ERR_STAT
11B8h
Port 3
Figure 135. Port Error and Status CSR n (SPn_ERR_STAT)
31
27
26
25
24
OUTPUT_
OUTPUT_
OUTPUT_
Reserved
PKT_
FLD_
DEGRD_
DROP
ENC
ENC
R-0
R/W-0
R/W-0
R/W-0
23
21
20
19
18
17
16
OUTPUT_
OUTPUT_
OUTPUT_
OUTPUT_
OUTPUT_
Reserved
RETRY_
RETRY_
ERROR_
ERROR_
RETRIED
ENC
STP
ENC
STP
R-0
R/W-0
R-0
R-0
R/W-0
R-0
15
11
10
9
8
INPUT_
INPUT_
INPUT_
Reserved
RETRY_
ERROR_
ERROR_
STP
ENC
STP
R-0
R-0
R/W-0
R-0
7
5
4
3
2
1
0
PORT_
PORT_
PORT_
PORT_
Reserved
WRITE_
Reserved
ERROR
OK
UNINITIALIZED
PND
R-0
R/W-0
R-0
R/W-0
R-0
R-1
LEGEND: R/W = Read/Write; R = Read only; -n = Value after reset
Table 147. Port Error and Status CSR n (SPn_ERR_STAT) Field Descriptions
Bit
Field
Value
Description
31–27
Reserved
0
These read-only bits return 0s when read.
26
OUTPUT_PKT_DROP
Output packet drop (switch devices only)
0
The output port has not discarded a packet.
1
The output port has discarded a packet.
25
OUTPUT_FLD_ENC
Output failed condition encountered. Once set, the OUTPUT_FLD_ENC bit
remains set until software writes a 1 to it.
remains set until software writes a 1 to it.
0
The output port has not encountered a failed condition.
1
The output port has encountered a failed condition. The failed port error
threshold has been reached in the Port n Error Rate Threshold Register.
threshold has been reached in the Port n Error Rate Threshold Register.
24
OUTPUT_DEGRD_ENC
Output degraded condition encountered. Once set, the
OUTPUT_DEGRD_ENC bit remains set until software writes a 1 to it.
OUTPUT_DEGRD_ENC bit remains set until software writes a 1 to it.
0
The output port has not encountered a degraded condition.
1
The output port has encountered a degraded condition. The degraded port
error threshold has been reached in the Port n Error Rate Threshold
Register.
error threshold has been reached in the Port n Error Rate Threshold
Register.
SPRUE13A – September 2006
Serial RapidIO (SRIO)
203