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AMD CS5535 manual 32430C, Implementation

Models: CS5535

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32430C	Implementation

28	AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM Porting Guide

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AMD manual 32430C, Implementation, AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide

Contents

Publication ID 32430C AMD Geode GX Processor CS5535 Companion Device GeodeROM Porting GuideApril AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting GuideTrademarks 2006 Advanced Micro Devices, Inc. All rights reservedAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Contents 6.0 Setup Options 7.0 Memory Map Appendix A Support DocumentationList of Figures List of Tables 1.0 Overview 2.0 Model Specific Registers32430C ContentsAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Figure 7-3. CPU Core Cache Region Configurations List of FiguresFigure 3-1. GeodeLink Architecture Topology Figure 4-1. Clock Control Figure 7-1. GLIU Descriptor MapList of Figures 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Table 4-1. Default Region Configuration Properties Bit Descriptions List of TablesTable 4-2. Diverse Device I/O Locations List of TablesList of Tables 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 1.1 Introduction Overview11.2 Assumption Assumption 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Model Specific Registers2 2.1 Example MSR TransactionRDMSR WRMSRModel Specific Registers 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide GeodeLink Architecture3 AMD GeodeGX Processor CS55353.1 GeodeLink MSR Addressing 3.2 Descriptors3.1.1 Addressing Example 3.2.1 Memory Descriptor Types4.1.1 Set Clocks and Reset Initialization44.1 Processor Initialization Figure 4-1. Clock Control4.1.3 Memory Controller Initialization 4.1.2 Calculating Processor Speed4.1.2.1 CPU Identification 4.1.5 GeodeLink Modules Initialization 4.1.4 Test Extended DRAM4.1.3.1 Size Memory Table 4-1. Default Region Configuration Properties Bit Descriptions 4.1.5.3 Cache Setup4.1.5.4 Region Configuration 4.1.5.1 GLIU Descriptors InitializationGLPCI Regions Descriptor AllocationDescriptor MSR Address4.2 AMD Geode CS5535 Companion Device Initialization 4.2.1 Chipset ID4.2.2 Set ID Select IDSEL 4.2.3 GLIU Initialization4.2.4.5 Multi Function General Purpose Timers MFGPTs 4.2.4.1 IRQ Mapper4.2.4.2 Keyboard Emulation Logic KEL 1+ 4.2.4.3 System Management Bus SMBus4.2.4.7 Power Management Logic 4.2.4.6 ACPI4.2.4.8 Flash Interface 4.2.4.9 Other Legacy DD InitializationTable 4-2. Diverse Device I/O Locations 4.2.5 ATA-5 / Hard Drive Initialization4.2.6 Universal Serial Bus USB 4.2.7 AC97 Audio Controller Initialization4.3 Virtual System Architecture Initialization 4.4 PCI Bus Initialization4.2.8 GeodeLink Control Processor Initialization 4.3.1 Allocate Processor Frame Buffer and VSA2 Memory4.5 Miscellaneous Initializations 4.5.1 Initialize Graphics Subsystem4.5.1.1 Monochrome Support 4.5.1.2 Dual Monitor SupportInitialization 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Implementation5 5.1 Implementation5.1.1 Clocking 5.1.2 Scratchpad InitializationImplementation 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Setup Options6 32430C AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting GuideFigure 7-1. GLIU Descriptor Map Memory7MapFigure 7-2. CPU Core Cache Descriptors Figure 7-3. CPU Core Cache Region Configurations Figure 7-4. GeodeROM Flow - GX Processor/CS5535 Device Memory Map32430C AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting GuideFigure 7-4 GeodeROM Flow - GX Processor/CS5535 Device Continued 32430CA.1 Document Revision History Table A-1. Revision HistoryRevision # PDF Date