Motorola MVME5100 - page 172

2-104 Computer Group Literature Center Web Site
Hawk PCI Host Bridge & Multi-Processor Interrupt Controller
2
The PCI Slave Address Registers (PSADDx) contain address information
associated with the mapping of PCI memory space to PPC memory space.
The fields within the PSADDx registers are defined as follows:
START Start Address. This field determines the start addre ss of
a particular memory area on the PCI bus which will be
used to access PPC bus resources. The value of this field
will be compared with the upper 16 bits of the incoming
PCI address.
END End Address. This field determines the end address of a
particular memory area on the PCI bus which will be used
to access PPC bus resources. The value of this field will
be compared with the upper 16 bits of the incoming PCI
address.
PCI Slave Attribute/ Offset (0,1,2 and 3) Registers
The PCI Slave Attribute Registers (PSATTx) contain attribute information
associated with the mapping of PCI memory space to PPC memory space.
The fields within the PSATTx registers are defined as follows:
Offset PSOFF0/PSATT0 - $84
PSOFF1/PSATT1 - $8C
PSOFF2/PSATT2 - $94
PSOFF3/PSATT3 - $9C
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
11
10
9 8 7 6 5 4 3 2 1 0
Name PSOFFx PSATTx
WXFT1 WXFT0 RXFT1 RXFT0 RMFT1 RMFT0
REN
WEN
WPEN
RAEN
GBL
INV
Operation R/W
R/W R/W R R R/W R/W R/W R/W
R/w
R/W R/W R/W
R R
R/W R/W
Reset $0000
1
0 0 0 1 0 1 0
0 0 0 0 0 0 0 0