List of Figures

32430C	List of Figures

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

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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 Load MSR specified by ECX into Edxeax Model Specific Registers2Example MSR Transaction Write the value in Edxeax to MSR specified by ECX Model Specific Registers GX Processor GeodeLink Architecture3AMD Geode CS5535 Companion Device Addressing Example GeodeLink MSR AddressingDescriptors Memory Descriptor Types Sysref Set Clocks and ResetProcessor Initialization Mdiv Vdiv Calculating Processor Speed Memory Controller InitializationCPU Identification Test Extended Dram GeodeLink Modules InitializationSize Memory Default Region Configuration Properties Bit Descriptions Glpci Regions Descriptor AllocationDescriptor MSR Address Set ID Select Idsel AMD Geode CS5535 Companion Device InitializationChipset ID Gliu Initialization Keyboard Emulation Logic KEL 1+ Multi Function General Purpose Timers MFGPTsIRQ Mapper System Management Bus SMBus Flash Interface Power Management LogicAcpi Other Legacy DD Initialization Universal Serial Bus USB Diverse Device I/O LocationsATA-5 / Hard Drive Initialization 7 AC97 Audio Controller Initialization GeodeLink Control Processor Initialization Virtual System Architecture InitializationPCI Bus Initialization Allocate Processor Frame Buffer and VSA2 Memory Monochrome Support Miscellaneous InitializationsInitialize Graphics Subsystem Dual Monitor Support 32430C Scratchpad Initialization Implementation5Clocking Post Codes Implementation Setup Options6 32430C Memory7Map ROMVSA Memory Mapped Frame BufferVSA PCI GeodeROM Flow GX Processor/CS5535 Device VSA Revision # Revisions / Comments Document Revision HistoryTable A-1. Revision History Initial release

AMD CS5535 manual List of Figures

Models: CS5535