Motorola MVME2300 Series - Manual (Page 13)

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Universe Chip Problems after PCI Reset..........................................................4-14
Description.................................................................................................4-14
Workarounds .............................................................................................4-15
Examples...........................................................................................................4-16
Example 1: MVME2600 Series Board Exhibits PCI Reset Problem ........4-16
Example 2: MVME3600 Series Board Acts Differently...........................4-17
Example 3: Universe Chip is Checked at Tundra......................................4-19
CHAPTER 5 Programming Details
Introduction ................................................................................................................5-1
PCI Arbitration...........................................................................................................5-1
Interrupt Handling......................................................................................................5-2
RavenMPIC ........................................................................................................5-3
8259 Interrupts ....................................................................................................5-4
ISA DMA Channels ...................................................................................................5-7
Exceptions..................................................................................................................5-8
Sources of Reset..................................................................................................5-8
Soft Reset ............................................................................................................5-9
Universe Chip Problems after PCI Reset............................................................5-9
Error Notification and Handling .......................................................................5-10
Endian Issues ...........................................................................................................5-11
Processor/Memory Domain ..............................................................................5-13
Role of the Raven ASIC ...................................................................................5-13
PCI Domain ......................................................................................................5-13
PCI-SCSI ...................................................................................................5-13
PCI/Ethernet ..............................................................................................5-13
PCI-Graphics .............................................................................................5-14
Role of the Universe ASIC ...............................................................................5-14
VMEbus Domain ..............................................................................................5-14
ROM/Flash Initialization .........................................................................................5-15
APPENDIX A Related Documentation
Motorola Computer Group Documents ....................................................................A-1
Manufacturers’ Documents.......................................................................................A-2
Related Specifications...............................................................................................A-4