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10.4.14 G2P Status Register (G2PSTATUS)
31
15
Reserved
Bits
Mnemonic
Field Name
⎯
31:9
Reserved
Initiator Out-
8
IOBFE
Bound FIFO
Empty
7
IIBFE
Initiator In-Bound
FIFO Empty
6
MDFE
Master Direct
Fatal Error
5
MDPE
Master Direct
Parity Error
⎯
4:2
Reserved
TRDY Timeout
1
IDTTOE
Error
0
IDRTOE
Retry Timeout
Error
Reserved
9
8
7
6
IOBFE IIBFE MDFE MDPE
R
R
R/W1C R/W1C
1
1
0
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.
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.
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.
Master Direct Parity Error (Initial value: 0, R/W1C)
This bit is set when the initiator detects a parity error in master direct cycle.
Initiator Detected TRDY Time Out Error (Initial value: 0, R/W1C)
This bit is set when the initiator detects a TRDY timeout.
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
10-41
Chapter 10 PCI Controller
0xD064
5
4
2
Reserved
0
Description
⎯
⎯
16
: Type
: Initial value
1
0
IDTTOE IDRTOE
R/W1C R/W1C : Type
0
0
: Initial value
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