AMD CS5535 manual 32430C

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32430C	Initialization

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

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Contents April Publication ID 32430CAdvanced Micro Devices, Inc. All rights reserved TrademarksContents Contents List of Figures GeodeLink Architecture TopologyList of Figures List of Tables List of Tables Overview1 IntroductionAssumption Load MSR specified by ECX into Edxeax Model Specific Registers2Example MSR Transaction Write the value in Edxeax to MSR specified by ECXModel Specific Registers GX Processor GeodeLink Architecture3AMD Geode CS5535 Companion DeviceAddressing Example GeodeLink MSR AddressingDescriptors Memory Descriptor TypesSysref Set Clocks and ResetProcessor Initialization Mdiv VdivCPU Identification Calculating Processor SpeedMemory Controller Initialization Size Memory Test Extended DramGeodeLink Modules Initialization Default Region Configuration Properties Bit Descriptions Descriptor MSR Address Glpci RegionsDescriptor Allocation Set ID Select Idsel AMD Geode CS5535 Companion Device InitializationChipset ID Gliu InitializationKeyboard Emulation Logic KEL 1+ Multi Function General Purpose Timers MFGPTsIRQ Mapper System Management Bus SMBusFlash Interface Power Management LogicAcpi Other Legacy DD InitializationUniversal Serial Bus USB Diverse Device I/O LocationsATA-5 / Hard Drive Initialization 7 AC97 Audio Controller InitializationGeodeLink Control Processor Initialization Virtual System Architecture InitializationPCI Bus Initialization Allocate Processor Frame Buffer and VSA2 MemoryMonochrome Support Miscellaneous InitializationsInitialize Graphics Subsystem Dual Monitor Support32430C Scratchpad Initialization Implementation5Clocking Post CodesImplementation Setup Options6 32430C VSA Memory7MapROM VSA PCI Memory MappedFrame Buffer GeodeROM Flow GX Processor/CS5535 Device VSA Revision # Revisions / Comments Document Revision HistoryTable A-1. Revision History Initial release