Motorola MCPN750A, IH5 manual Startup and Operation

CHAPTER 2 Startup and Operation
Introduction	2-1
Applying Power	2-1
Memory Maps	2-3
Processor Memory Map	2-3
Default Processor Memory Map	2-3
PCI Local Bus Memory Map	2-4
CompactPCI Memory Map	2-5
Address Decoding with the 21554	2-5
L2 Cache	2-6
System Clock Generator	2-6
PPC Bus Arbitration	2-6
PCI Host Bridge	2-6
PCI Arbitration	2-8
Interrupt Handling	2-8
ISA DMA Channels	2-9
Sources of Reset	2-9
Power-On Reset	2-11
Undervoltage Reset	2-11
Front Panel Push Button Reset	2-11
CompactPCI Reset (RST#)	2-11
Watchdog Timer Reset	2-11
Software Resets	2-12
Reset Source Identification	2-12
Endian Issues	2-12
Processor/Memory Domain	2-12
PCI Domain	2-13
CHAPTER 3 PPCBug
PPCBug Overview	3-1
PPCBug Basics	3-1
Memory Requirements	3-3
PPCBug Implementation	3-3
MPU, Hardware, and Firmware Initialization	3-3
Using PPCBug	3-5
Debugger Commands	3-6
Diagnostic Tests	3-10

viii