Table of Contents
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CHAPTER 4
CNFG and ENV Commands
Overview....................................................................................................................4-1
CNFG - Configure Board Information Block ............................................................4-2
ENV - Set Environment .............................................................................................4-3
Configuring the PPCBug Parameters .................................................................4-3
CHAPTER 5
Remote Start Via the PCI Bus
Introduction................................................................................................................5-1
Overview.............................................................................................................5-1
Command/response Register Description...........................................................5-3
Opcode 0x01: Write/Read Virtual Register ........................................................5-5
Opcode 0x02: Initialize Memory ........................................................................5-5
Opcode 0x03: Write/Read Memory....................................................................5-6
Opcode 0x04: Checksum Memory .....................................................................5-6
Opcode 0x05: Memory Size Query ....................................................................5-7
Opcode 0x06: Debugger Query ..........................................................................5-7
Opcode 0x07: Execute Code...............................................................................5-7
Command/Response Channel Error Codes.........................................................5-8
Demonstration of the Host Interface...................................................................5-9
Reference Function: srom_crc.c .......................................................................5-12
CHAPTER 6
Introduction................................................................................................................6-1
Features ......................................................................................................................6-1
General Description ...................................................................................................6-2
Block Diagram ...........................................................................................................6-3
CompactPCI Bus Interface .................................................................................6-5
Ethernet Interface................................................................................................6-6
PCI Mezzanine Interface ....................................................................................6-7
ISA Bus Devices.................................................................................................6-8
Asynchronous Serial Ports...........................................................................6-8
Configuration and Status Registers .............................................................6-8
Serial EEPROM..................................................................................................6-8
PCI Peripheral Bus Controller (PBC) .................................................................6-9
ISA Interface................................................................................................6-9
EIDE Interface ...........................................................................................6-10
USB Interface ............................................................................................6-10
ISA Interrupt Controller ............................................................................6-10
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