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CS5535 manual Publication ID 32430C, April
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3. CPU Core Cache Region Configurations
Set Clocks and Reset
Cache Setup
Multi Function General Purpose Timers MFGPTs
Power Management Logic
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AMD Geode™ GX Processor/
CS5535 Companion Device
GeodeROM Porting Guide
April 2006
Publication ID: 32430C
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM Porting Guide
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Contents
AMD Geode GX Processor CS5535 Companion Device GeodeROM Porting Guide
Publication ID 32430C
April
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
Trademarks
2006 Advanced Micro Devices, Inc. All rights reserved
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
6.0 Setup Options 7.0 Memory Map Appendix A Support Documentation
Contents
List of Figures List of Tables 1.0 Overview
2.0 Model Specific Registers
32430C
Contents
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
List of Figures
Figure 7-3. CPU Core Cache Region Configurations
Figure 3-1. GeodeLink Architecture Topology Figure 4-1. Clock Control
Figure 7-1. GLIU Descriptor Map
List of Figures
32430C
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
List of Tables
Table 4-1. Default Region Configuration Properties Bit Descriptions
Table 4-2. Diverse Device I/O Locations
List of Tables
List of Tables
32430C
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
1.1 Introduction
Overview1
1.2 Assumption
Assumption
32430C
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
2.1 Example MSR Transaction
Model Specific Registers2
RDMSR
WRMSR
Model Specific Registers
32430C
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
AMD Geode
GeodeLink Architecture3
GX Processor
CS5535
3.2 Descriptors
3.1 GeodeLink MSR Addressing
3.1.1 Addressing Example
3.2.1 Memory Descriptor Types
Initialization4
4.1.1 Set Clocks and Reset
4.1 Processor Initialization
Figure 4-1. Clock Control
4.1.3 Memory Controller Initialization
4.1.2 Calculating Processor Speed
4.1.2.1 CPU Identification
4.1.5 GeodeLink Modules Initialization
4.1.4 Test Extended DRAM
4.1.3.1 Size Memory
4.1.5.3 Cache Setup
Table 4-1. Default Region Configuration Properties Bit Descriptions
4.1.5.4 Region Configuration
4.1.5.1 GLIU Descriptors Initialization
Descriptor Allocation
GLPCI Regions
Descriptor
MSR Address
4.2.1 Chipset ID
4.2 AMD Geode CS5535 Companion Device Initialization
4.2.2 Set ID Select IDSEL
4.2.3 GLIU Initialization
4.2.4.1 IRQ Mapper
4.2.4.5 Multi Function General Purpose Timers MFGPTs
4.2.4.2 Keyboard Emulation Logic KEL 1+
4.2.4.3 System Management Bus SMBus
4.2.4.6 ACPI
4.2.4.7 Power Management Logic
4.2.4.8 Flash Interface
4.2.4.9 Other Legacy DD Initialization
4.2.5 ATA-5 / Hard Drive Initialization
Table 4-2. Diverse Device I/O Locations
4.2.6 Universal Serial Bus USB
4.2.7 AC97 Audio Controller Initialization
4.4 PCI Bus Initialization
4.3 Virtual System Architecture Initialization
4.2.8 GeodeLink Control Processor Initialization
4.3.1 Allocate Processor Frame Buffer and VSA2 Memory
4.5.1 Initialize Graphics Subsystem
4.5 Miscellaneous Initializations
4.5.1.1 Monochrome Support
4.5.1.2 Dual Monitor Support
Initialization
32430C
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
5.1 Implementation
Implementation5
5.1.1 Clocking
5.1.2 Scratchpad Initialization
Implementation
32430C
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
Setup Options6
AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
32430C
Figure 7-1. GLIU Descriptor Map
Memory7Map
Figure 7-2. CPU Core Cache Descriptors
Figure 7-3. CPU Core Cache Region Configurations
Memory Map
Figure 7-4. GeodeROM Flow - GX Processor/CS5535 Device
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AMD Geode GX Processor/CS5535 Companion Device GeodeROM Porting Guide
32430C
Figure 7-4 GeodeROM Flow - GX Processor/CS5535 Device Continued
Table A-1. Revision History
A.1 Document Revision History
Revision #
PDF Date
