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Queues, Section 5.46 – Texas Instruments TMS320TCI648x User Manual

Page 169

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5.46 Transmit CPPI Supported Flow Mask Registers (TX_CPPI_FLOW_MASKS[0–7])

SRIO Registers

Each of the eight TX CPPI flow mask registers holds the flow masks for two TX descriptor buffer queues
(see

Table 113

).

Figure 108

shows the registers, and

Figure 109

shows the general form of a flow mask.

Each bit of a flow mask selects or deselects a flow for the associated TX queue (see

Table 114

). For

additional programming information, see

Section 2.3.8

.

Table 113. TX_CPPI_FLOW_MASKS Registers and the Associated TX Queues

Register

Address Offset

Associated TX Queues

TX_CPPI_FLOW_MASKS0

0704h

Queues 0 and 1

TX_CPPI_FLOW_MASKS1

0708h

Queues 2 and 3

TX_CPPI_FLOW_MASKS2

070Ch

Queues 4 and 5

TX_CPPI_FLOW_MASKS3

0710h

Queues 6 and 7

TX_CPPI_FLOW_MASKS4

0714h

Queues 8 and 9

TX_CPPI_FLOW_MASKS5

0718h

Queues 10 and 11

TX_CPPI_FLOW_MASKS6

071Ch

Queues 12 and 13

TX_CPPI_FLOW_MASKS7

0720h

Queues 14 and 15

SPRUE13A – September 2006

Serial RapidIO (SRIO)

169

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