Prpmc Register; System Specific Register - Motorola IXP-9120 Reference Manual

Maps and Registers
Table 20: CompactPCI Register
Bit
2
1
0

PrPMC register

Address: C600 0020
Type: Read/Write
This register provides status of signals related to the Processor PMC site. It also provides con-
trol of the EREADY signal.
Table 21: PrPMC Register
Bit
1
0

System specific register

Address: C600 0030
IXP/CPCI-9120
Description
0: PCI Present
1: PCI not present
0: Hot Swap Eject Switch Open
1: Hot Swap Eject Switch Closed
0: Blue LED Off
1: Blue LED On
Reset value: 1
Description
EREADY control
Note that the EREADY pin of the EPLD is configured as an output when
the PrPMC is made Monarch. Otherwise, it is an input on the EPLD.
EREADY (OUT): If Processor PMC is a Monarch
Reset value: 0
EREADY IN: If Processor PMC is a non-Monarch
0: Non-monarch processor has not yet finished its initialization.
1: Non-monarch processor has completed its initialization.
0: Processor PMC is a Monarch
1: Processor PMC is a non-Monarch
Register Details
Access
RO
RO
R/W
Access
WO
RO
RO
105