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vii

Contents

About This Manual

Summary of Changes.................................................................................................xix

Overview of Contents .................................................................................................xx

Comments and Suggestions ........................................................................................xx

Manual Terminology..................................................................................................xxi

Conventions Used in This Manual............................................................................xxii

CHAPTER 1 Board Description and

Memory Maps

Introduction................................................................................................................1-1

Feature Summary .......................................................................................................1-1

System Block Diagram ..............................................................................................1-2

Functional Description...............................................................................................1-3

Overview.............................................................................................................1-3

Programming Model ..................................................................................................1-5

Memory Maps.....................................................................................................1-5

Processor Memory Maps.............................................................................1-5

PCI Memory Maps ....................................................................................1-10

MPC System Bus..............................................................................................1-13

Processors ..................................................................................................1-13

Processor Type Identification....................................................................1-13

Processor PLL Configuration....................................................................1-13

Look-Aside Cache.....................................................................................1-13

Falcon FLASH Memory............................................................................1-14

System Memory.........................................................................................1-14

Falcon Chipset...........................................................................................1-15

Falcon Registers ........................................................................................1-16

Falcon-Controlled System Registers ................................................................1-16

System Configuration Register (SYSCR) .................................................1-17

Memory Configuration Register (MEMCR).............................................1-18

System External Cache Control Register (SXCCR)..................................1-20

Processor 0 External Cache Control Register (P0XCCR).........................1-21

Processor 1 External Cache Control Register (P1CCR)............................1-22

CPU Control Register................................................................................1-23

ISA Local Resource Bus..........................................................................................1-23

Motorola MTX series Programmer's Reference Guide

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