68 port general control csr (sp_gen_ctl), Sp_gen_ctl), 113ch – Texas Instruments TMS320TCI648x User Manual

Page 199: Descriptions, Section 5.68

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5.68 Port General Control CSR (SP_GEN_CTL)

SRIO Registers

The port general control CSR (SP_GEN_CTL) is shown in

Figure 131

and described in

Table 139

.

Figure 131. Port General Control CSR (SP_GEN_CTL) - Address Offset 113Ch

31

30

29

28

0

MASTER_

HOST

DISCOVERED

Reserved

ENABLE

R/W-0

R/W-0

R/W-0

R-0

LEGEND: R/W = Read/Write; R = Read only; -n = Value after reset

Table 139. Port General Control CSR (SP_GEN_CTL) Field Descriptions

Bit

Field

Value

Description

31

HOST

A host device is a device that is responsible for system exploration, initialization,
and maintenance. Agent or slave devices are typically initialized by Host
devices.

0

Agent or Slave device

1

Host device

30

MASTER_ENABLE

The Master Enable bit controls whether or not a device is allowed to issue
requests into the system. If the Master Enable is not set, the device may only
respond to requests.

0

Processing element cannot issue requests

1

Processing element can issue requests

29

DISCOVERED

This device has been located by the processing element responsible for system
configuration.

0

The device has not been previously discovered

1

The device has been discovered by another processing element

28–0

Reserved

0

These read-only bits return 0s when read.

SPRUE13A – September 2006

Serial RapidIO (SRIO)

199

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