G2P Timeout Count Register (G2Ptocnt) 0Xd040 - Toshiba TMPR4925 Manual

10.4.12 G2P Timeout Count Register (G2PTOCNT)
The Retry Timeout field corresponds to the Retry Timeout Value Register of the PCI Configuration
Space, and the TRDY Timeout field corresponds to the TRDY Timeout Value Register of the PCI
Configuration Space.
This register cannot be accessed when the PCI Controller is in the Satellite mode.
31
15
RETRYTO
R/W
0x80
Bits Mnemonic Field Name
⎯
31:16 Reserved
15:8 RETRYTO Retry Timeout
7:0 TRDYTO TRDY Timeout
Reserved
8 7
Retry Time Out (Initial value: 0x80, R/W)
Sets the maximum number of retries to accept when operating as the initiator on the
PCI Bus. Ends with an error when receiving more retry terminations than the set
maximum number.
Setting a "0" disables this timeout function.
Note: In general, set "0" to disable this timeout function. For part of PCI devices, the
maximum number of retries may exceed 128 in normal operation.
TRDY Time Out (Initial value: 0x80, R/W)
Sets the maximum value of the time to wait for assertion of the TRDY* signal when
operating as the initiator on the PCI Bus.
Setting a "0" disables this timeout function.
Figure 10.4.12 G2P Timeout Count Register
10-38
Chapter 10 PCI Controller
0xD040
TRDYTO
R/W
0x80
Description
⎯
16
: Type
: Initial value
0
: Type
: Initial value