57 source operations car (src_op), 1018h, Section 5.57 – Texas Instruments TMS320TCI648x User Manual

Page 188

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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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