1

Board Description and Memory Maps

Table 1-7. PCI CHRP Memory Map (Continued)

PCI Address

Size

Definition

Notes

 

 

Start

End

 

 

 

 

 

 

 

 

FC00 0000

FC03 FFFF

256K

RavenMPIC

1

 

 

 

 

 

FC04 0000

FCFF FFFF

16M - 256K

PCI Memory Space

 

 

 

 

 

 

FD00 0000

FDFF FFFF

16M

PCI Memory Space

1

 

 

 

or System Memory Alias Space

 

 

 

 

(mapped to 00000000 to 00FFFFFF)

 

 

 

 

 

 

FE00 0000

FFFF FFFF

48M

Reserved

 

 

 

 

 

 

Notes

1.Programmable via the Raven’s PCI Configuration registers. For the MVME2300 series, RAM size is limited to 128MB.

2.To enable the CHRP “io-hole”, program the Raven to ignore the 0x000A0000 - 0x000FFFFF address range.

3.Programmable mapping via the four PCI Slave Images in the Universe ASIC.

4.Programmable mapping via the Special Slave Image (SLSI) in the Universe ASIC.

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Motorola MVME2300 Series manual FC03 Ffff, Fcff Ffff