Contents | AMD CS5535 guide

32430C	Contents

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

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AMD CS5535 manual Contents

Contents

April Publication ID 32430C Advanced Micro Devices, Inc. All rights reserved Trademarks Contents Contents List of Figures GeodeLink Architecture Topology List of Figures List of Tables List of Tables Overview1 Introduction Assumption Model Specific Registers2 Example MSR TransactionLoad MSR specified by ECX into Edxeax Write the value in Edxeax to MSR specified by ECX Model Specific Registers GeodeLink Architecture3 AMD GeodeGX Processor CS5535 Companion Device GeodeLink MSR Addressing DescriptorsAddressing Example Memory Descriptor Types Set Clocks and Reset Processor InitializationSysref Mdiv Vdiv Memory Controller Initialization Calculating Processor SpeedCPU Identification GeodeLink Modules Initialization Test Extended DramSize Memory Default Region Configuration Properties Bit Descriptions Descriptor Allocation Glpci RegionsDescriptor MSR Address AMD Geode CS5535 Companion Device Initialization Chipset IDSet ID Select Idsel Gliu Initialization Multi Function General Purpose Timers MFGPTs IRQ MapperKeyboard Emulation Logic KEL 1+ System Management Bus SMBus Power Management Logic AcpiFlash Interface Other Legacy DD Initialization Diverse Device I/O Locations ATA-5 / Hard Drive InitializationUniversal Serial Bus USB 7 AC97 Audio Controller Initialization Virtual System Architecture Initialization PCI Bus InitializationGeodeLink Control Processor Initialization Allocate Processor Frame Buffer and VSA2 Memory Miscellaneous Initializations Initialize Graphics SubsystemMonochrome Support Dual Monitor Support 32430C Implementation5 ClockingScratchpad Initialization Post Codes Implementation Setup Options6 32430C ROM Memory7MapVSA Frame Buffer Memory MappedVSA PCI GeodeROM Flow GX Processor/CS5535 Device VSA Document Revision History Table A-1. Revision HistoryRevision # Revisions / Comments Initial release