Setup Options6

Setup Options	32430C

Initial configuration is set in the configurator at build time. Based on those settings, there are some setup options at runtime that are platform specific. Check your platform specification for more details.

Desired Setup Options:

•Clock configuration - complete control of system PLLs

—Default: Use strap setting for core. GeodeLink™ interface frequency is calculated based on DIMM type.

•PM settings

—Default: Off

•Audio enable/disable

—Default: Enabled

•Video Primary/Secondary/Disabled

—Default: Secondary

•Video Memory Size

—Default: 24 MB

•Cache enable/disable

—Default: Write Back

•MTest enable/disable

—Default: disabled

•LPT enable/disable

—Default: 378

Note: If a setting is incorrect and the system cannot boot three times, CMOS is reset to the default setup options.

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

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Image 29

Contents

Publication ID 32430C April Trademarks Advanced Micro Devices, Inc. All rights reserved Contents Contents GeodeLink Architecture Topology List of Figures List of Figures List of Tables List of Tables Introduction Overview1 Assumption Example MSR Transaction Model Specific Registers2Load MSR specified by ECX into Edxeax Write the value in Edxeax to MSR specified by ECX Model Specific Registers AMD Geode GeodeLink Architecture3GX Processor CS5535 Companion Device Descriptors GeodeLink MSR AddressingAddressing Example Memory Descriptor Types Processor Initialization Set Clocks and ResetSysref Mdiv Vdiv CPU 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 Chipset ID AMD Geode CS5535 Companion Device InitializationSet ID Select Idsel Gliu Initialization IRQ Mapper Multi Function General Purpose Timers MFGPTsKeyboard Emulation Logic KEL 1+ System Management Bus SMBus Acpi Power Management LogicFlash Interface Other Legacy DD Initialization ATA-5 / Hard Drive Initialization Diverse Device I/O LocationsUniversal Serial Bus USB 7 AC97 Audio Controller Initialization PCI Bus Initialization Virtual System Architecture InitializationGeodeLink Control Processor Initialization Allocate Processor Frame Buffer and VSA2 Memory Initialize Graphics Subsystem Miscellaneous InitializationsMonochrome Support Dual Monitor Support 32430C Clocking Implementation5Scratchpad Initialization Post Codes Implementation Setup Options6 32430C VSA Memory7MapROM VSA PCI Memory MappedFrame Buffer GeodeROM Flow GX Processor/CS5535 Device VSA Table A-1. Revision History Document Revision HistoryRevision # Revisions / Comments Initial release

AMD CS5535 manual Setup Options6

Models: CS5535

32430C

Setup Options6