Texas Instruments TMS320TCI648x manual Source Operations CAR Srcop

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SRIO Registers

5.57 Source Operations CAR (SRC_OP)

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
READ	WRITE	STREAM_	WRITE_WITH_	DATA_MESS	DOORBELL	Reserved	ATOMIC_TEST_
		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_	Reserved	PORT_	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
31–18	Reserved	0
17–16	IMPLMNT_DEFINED_2
15	READ
14	WRITE
13	STREAM_WRITE
12	WRITE_WITH_RESP
11	DATA_MESS
10	DOORBELL
9	Reserved	0

8ATOMIC_TEST_ AND_SWAP

7	ATOMIC_INCRMNT
6	ATOMIC_DCRMNT
5	ATOMIC_SET
4	ATOMIC_CLEAR
3	Reserved	0
2	PORT_WRITE
1–0	IMPLMNT_DEFINED_1

Description

These read-only bits return 0s when read. Defined by the device implementation

PE can support a read operation

PE can support a write operation

PE can support a streaming-write operation

PE can support a write-with-response operation

PE can support a data message operation PE can support a doorbell operation

This read-only bit returns 0 when read.

PE can support an atomic test-and-swap operation

PE can support an atomic increment operation

PE can support an atomic decrement operation

PE can support an atomic set operation PE can support an atomic clear operation

This read-only bit returns 0 when read.

PE can support a port-write generation Defined by the device implementation

188	Serial RapidIO (SRIO)	SPRUE13A –September 2006
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