Serial RapidIO (SRIO) User's Guide

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5.57 Source Operations CAR (SRC_OP)
SRIO Registers
The source operations CAR (SRC_OP) is shown in Figure 120 and described in Table 128 .
Figure 120. Source Operations CAR (SRC_OP) - Address Offset 1018h
31 24
Reserved
R-0
23 18 17 16
Reserved IMPLMNT_DEFINED_2
R-0 R-00
15 14 13 12 11 10 9 8
STREAM_ WRITE_WITH_ ATOMIC_TEST_
READ WRITE DATA_MESS DOORBELL Reserved
WRITE RESP AND_SWAP
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
7 6 5 4 3 2 1 0
ATOMIC_ ATOMIC_ ATOMIC_ ATOMIC_ PORT_
Reserved IMPLMNT_DEFINED_1
INCRMNT DCRMNT SET CLEAR WRITE
R-0 R-0 R-0 R-0 R-0 R-1 R-00
LEGEND: R = Read only; - n = Value after reset
Table 128. Source Operations CAR (SRC_OP) Field Descriptions
Bit Field Value Description
31–18 Reserved 0 These read-only bits return 0s when read.
17–16 IMPLMNT_DEFINED_2 Defined by the device implementation
15 READ PE can support a read operation
14 WRITE PE can support a write operation
13 STREAM_WRITE PE can support a streaming-write operation
12 WRITE_WITH_RESP PE can support a write-with-response operation
11 DATA_MESS PE can support a data message operation
10 DOORBELL PE can support a doorbell operation
9 Reserved 0 This read-only bit returns 0 when read.
8 ATOMIC_TEST_ PE can support an atomic test-and-swap operation
AND_SWAP
7 ATOMIC_INCRMNT PE can support an atomic increment operation
6 ATOMIC_DCRMNT PE can support an atomic decrement operation
5 ATOMIC_SET PE can support an atomic set operation
4 ATOMIC_CLEAR PE can support an atomic clear operation
3 Reserved 0 This read-only bit returns 0 when read.
2 PORT_WRITE PE can support a port-write generation
1–0 IMPLMNT_DEFINED_1 Defined by the device implementation
Serial RapidIO (SRIO)188 SPRUE13A – September 2006
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