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AMD manual 4 GeodeROM Flow - GX Processor/CS5535 Device Continued, 32430C

Models: CS5535

1 36

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Figure 7-4 "GeodeROM Flow - GX Processor/CS5535 Device" (Continued)

32430C	Memory Map

Finish Post

Setup Stack

Enable

Interrupts

CS5535 descriptor set here, after shadow.

Shadow ROM

Initialize and

Enable Cache

Northbridge

Initialization and

CPU Bug Fixes

Chipset

Initialization

VSA

Initialization

System ROM

Initialization

PCI and Video

Option ROM

Initialization

Keyboard	N
Keyboard
F1 Pressed?

Flag

Reset Reboot

SuperI/O

Initialization

Setup

Flag

Reset Reboot

Reset

INT 19

Figure 7-4 "GeodeROM Flow - GX Processor/CS5535 Device" (Continued)

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

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Image 34

AMD manual 4 GeodeROM Flow - GX Processor/CS5535 Device Continued, 32430C

Contents

April Publication ID 32430CAMD Geode GX Processor CS5535 Companion Device GeodeROM Porting Guide 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 List of Figures List of Tables 1.0 Overview Contents6.0 Setup Options 7.0 Memory Map Appendix A Support Documentation 2.0 Model Specific Registers32430C ContentsAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Figure 3-1. GeodeLink Architecture Topology Figure 4-1. Clock Control Figure 7-3. CPU Core Cache Region ConfigurationsList of Figures Figure 7-1. GLIU Descriptor MapList of Figures 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Table 4-2. Diverse Device I/O Locations Table 4-1. Default Region Configuration Properties Bit DescriptionsList of Tables 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 RDMSR Model Specific Registers22.1 Example MSR Transaction WRMSRModel Specific Registers 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide GX Processor GeodeLink Architecture3AMD Geode CS55353.1.1 Addressing Example 3.1 GeodeLink MSR Addressing3.2 Descriptors 3.2.1 Memory Descriptor Types4.1 Processor Initialization 4.1.1 Set Clocks and ResetInitialization4 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 4.1.5.4 Region Configuration Table 4-1. Default Region Configuration Properties Bit Descriptions4.1.5.3 Cache Setup 4.1.5.1 GLIU Descriptors InitializationDescriptor GLPCI RegionsDescriptor Allocation MSR Address4.2.2 Set ID Select IDSEL 4.2 AMD Geode CS5535 Companion Device Initialization4.2.1 Chipset ID 4.2.3 GLIU Initialization4.2.4.2 Keyboard Emulation Logic KEL 1+ 4.2.4.5 Multi Function General Purpose Timers MFGPTs4.2.4.1 IRQ Mapper 4.2.4.3 System Management Bus SMBus4.2.4.8 Flash Interface 4.2.4.7 Power Management Logic4.2.4.6 ACPI 4.2.4.9 Other Legacy DD Initialization4.2.6 Universal Serial Bus USB Table 4-2. Diverse Device I/O Locations4.2.5 ATA-5 / Hard Drive Initialization 4.2.7 AC97 Audio Controller Initialization4.2.8 GeodeLink Control Processor Initialization 4.3 Virtual System Architecture Initialization4.4 PCI Bus Initialization 4.3.1 Allocate Processor Frame Buffer and VSA2 Memory4.5.1.1 Monochrome Support 4.5 Miscellaneous Initializations4.5.1 Initialize Graphics Subsystem 4.5.1.2 Dual Monitor SupportInitialization 32430CAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 5.1.1 Clocking Implementation55.1 Implementation 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 32430C Figure 7-4. GeodeROM Flow - GX Processor/CS5535 DeviceMemory Map AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting GuideFigure 7-4 GeodeROM Flow - GX Processor/CS5535 Device Continued 32430CRevision # A.1 Document Revision HistoryTable A-1. Revision History PDF Date