TMPR4925 datasheet(302/590 Pages) TOSHIBA

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Chapter 10 PCI Controller

10-40

10.4.14 G2P Status Register (G2PSTATUS)

0xD064

Reserved

: Type

: Initial value

Reserved

IOBFE IIBFE MDFE MDPE

Reserved

IDTTOE IDRTOE

R/W1C R/W1C

R/W1C R/W1C : Type

: Initial value

Bits

Mnemonic

Field Name

Description

31:9



Reserved



8IOBFE

Initiator Out-

Bound FIFO

Empty

Initiator Out-Bound FIFO Empty (Initial value: 1, R)

1: Indicates that the Initiator Out-Bound FIFO is empty.

0: Indicates that the Initiator Out-Bound FIFO is not empty.

This is a diagnostic function.

IIBFE

Initiator In-Bound

FIFO Empty

Initiator In-Bound FIFO Empty (Initial value: 1, R)

1: Indicates that the Initiator In-Bound FIFO is empty.

0: Indicates that the Initiator In-Bound FIFO is not empty.

This is a diagnostic function.

6MDFE

Master Direct

Fatal Error

Master Direct Fatal Error (Initial value: 0, R/W1C)

This bit is set when the initiator detects a fatal error in master direct cycle.

A fatal error is an event such as one of the following:

• Master abort

• Target abort

• Trdy timeout

• Retry timeout

The G2PSTATUS.MDFE bit is set if one of the above events occurs.

MDPE

Master Direct

Parity Error

Master Direct Parity Error (Initial value: 0, R/W1C)

This bit is set when the initiator detects a parity error in master direct cycle.

4:2



Reserved



IDTTOE

TRDY Timeout

Error

Initiator Detected TRDY Time Out Error (Initial value: 0, R/W1C)

This bit is set when the initiator detects a TRDY timeout.

IDRTOE

Retry Timeout

Error

Initiator Detected Retry Time Out Error (Initial value: 0, R/W1C)

This bit is set when the initiator detects a Retry timeout.

Figure 10.4.14 G2P Status Register

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