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AMD CS5535 manual Advanced Micro Devices, Inc. All rights reserved, Trademarks

Models: CS5535

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© 2006 Advanced Micro Devices, Inc. All rights reserved.

© 2006 Advanced Micro Devices, Inc. All rights reserved.

The contents of this document are provided in connection with Advanced Micro Devices, Inc. (“AMD”) products. AMD makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this publication. Except as set forth in AMD’s Standard Terms and Conditions of Sale, AMD assumes no liability whatsoever, and disclaims any express or implied warranty, relating to its products including, but not limited to, the implied warranty of mer- chantability, fitness for a particular purpose, or infringement of any intellectual property right.

AMD’s products are not designed, intended, authorized or warranted for use as components in systems intended for surgical implant into the body, or in other applications intended to support or sustain life, or in any other application in which the failure of AMD’s product could create a situation where personal injury, death, or severe property or environmental damage may occur. AMD reserves the right to discontinue or make changes to its products at any time without notice.

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AMD, the AMD Arrow logo, and combinations thereof, and Geode, GeodeLink, Virtual System Architecture, and XpressGRAPHICS are trademarks of Advanced Micro Devices, Inc.

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Other product names used in this publication are for identification purposes only and may be trademarks of their respective companies.

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

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AMD CS5535 manual Advanced Micro Devices, Inc. All rights reserved, Trademarks

Contents

April Publication ID 32430CAMD Geode GX Processor CS5535 Companion Device GeodeROM Porting Guide AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting GuideAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 2006 Advanced Micro Devices, Inc. All rights reservedTrademarks 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 RegistersAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide Contents32430C 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 MapAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 32430CList of Figures Table 4-2. Diverse Device I/O Locations Table 4-1. Default Region Configuration Properties Bit DescriptionsList of Tables List of TablesAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 32430CList of Tables 1.2 Assumption Overview11.1 Introduction AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 32430CAssumption RDMSR Model Specific Registers22.1 Example MSR Transaction WRMSRAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 32430CModel Specific Registers 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 Control4.1.2.1 CPU Identification 4.1.2 Calculating Processor Speed4.1.3 Memory Controller Initialization 4.1.3.1 Size Memory 4.1.4 Test Extended DRAM4.1.5 GeodeLink Modules Initialization 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 SupportAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 32430CInitialization 5.1.1 Clocking Implementation55.1 Implementation 5.1.2 Scratchpad InitializationAMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide 32430CImplementation Setup Options6 32430C AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting GuideFigure 7-2. CPU Core Cache Descriptors Memory7MapFigure 7-1. GLIU Descriptor Map 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