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Models:
CS5535
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Set Clocks and Reset
Setup Options6
Power Management Logic
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32430C
List of Tables
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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
Model Specific Registers2
Example MSR Transaction
Load MSR specified by ECX into Edxeax
Write the value in Edxeax to MSR specified by ECX
Model Specific Registers
GeodeLink Architecture3
AMD Geode
GX Processor
CS5535 Companion Device
GeodeLink MSR Addressing
Descriptors
Addressing Example
Memory Descriptor Types
Set Clocks and Reset
Processor Initialization
Sysref
Mdiv Vdiv
CPU Identification
Calculating Processor Speed
Memory Controller Initialization
Size Memory
Test Extended Dram
GeodeLink Modules Initialization
Default Region Configuration Properties Bit Descriptions
Descriptor MSR Address
Glpci Regions
Descriptor Allocation
AMD Geode CS5535 Companion Device Initialization
Chipset ID
Set ID Select Idsel
Gliu Initialization
Multi Function General Purpose Timers MFGPTs
IRQ Mapper
Keyboard Emulation Logic KEL 1+
System Management Bus SMBus
Power Management Logic
Acpi
Flash Interface
Other Legacy DD Initialization
Diverse Device I/O Locations
ATA-5 / Hard Drive Initialization
Universal Serial Bus USB
7 AC97 Audio Controller Initialization
Virtual System Architecture Initialization
PCI Bus Initialization
GeodeLink Control Processor Initialization
Allocate Processor Frame Buffer and VSA2 Memory
Miscellaneous Initializations
Initialize Graphics Subsystem
Monochrome Support
Dual Monitor Support
32430C
Implementation5
Clocking
Scratchpad Initialization
Post Codes
Implementation
Setup Options6
32430C
VSA
Memory7Map
ROM
VSA PCI
Memory Mapped
Frame Buffer
GeodeROM Flow GX Processor/CS5535 Device
VSA
Document Revision History
Table A-1. Revision History
Revision # Revisions / Comments
Initial release
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