Toshiba TMPR4925, Manual

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Chapter 10 PCI Controller
10-41
10.4.14 G2P Status Register (G2PSTATUS) 0xD064
31 16
Reserved
: Type
: Initial value
15 9 8 7 6 5 4 2 1 0
Reserved IOBFE IIBFE MDFE MDPE Reserved
IDTTOE IDRTOE
R R R/W1C R/W1C R/W1C R/W1C : Type
1 1 0 0 0 0 : Initial value
Bits Mnemonic Field Name Description
31:9
⎯
Reserved
⎯
8 IOBFE 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.
7 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.
6 MDFE 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.
5 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
⎯
1 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.
0 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