Motorola AltiVec MVME5100 Series Installation & Use Manual page 11

CHAPTER 3 PPCBug Firmware
Introduction ............................................................................................................... 3-1
PPCBug Overview..................................................................................................... 3-1
Implementation and Memory Requirements ...................................................... 3-3
Using PPCBug ........................................................................................................... 3-3
Hardware and Firmware Initialization ............................................................... 3-4
Default Settings ......................................................................................................... 3-7
CNFG - Configure Board Information Block .................................................... 3-7
ENV - Set Environment ..................................................................................... 3-8
Configuring the PPCBug Parameters.......................................................... 3-8
Configuring the VMEbus Interface .................................................................. 3-17
Firmware Command Buffer ............................................................................. 3-21
Standard Commands................................................................................................ 3-22
Diagnostics ....................................................................................................... 3-26
CHAPTER 4 Functional Description
Introduction ............................................................................................................... 4-1
Features Summary ..................................................................................................... 4-1
Features Descriptions ................................................................................................ 4-3
General ............................................................................................................... 4-3
Processor ............................................................................................................ 4-5
System Memory Controller and PCI Host Bridge.............................................. 4-5
Memory .............................................................................................................. 4-5
Flash Memory ............................................................................................. 4-5
ECC SDRAM Memory ............................................................................... 4-6
P2 Input/Output (I/O) Modes ............................................................................. 4-6
Input/Output Interfaces....................................................................................... 4-7
Ethernet Interface ........................................................................................ 4-7
VMEbus Interface ....................................................................................... 4-7
Asynchronous Communications ................................................................. 4-7
Real-Time Clock & NVRAM & Watchdog Timer..................................... 4-7
Timers ......................................................................................................... 4-8
Interrupt Routing ......................................................................................... 4-8
IDSEL Routing............................................................................................ 4-8
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