Manuale d’uso / di manutenzione del prodotto CS5535 del fabbricante AMD
Vai alla pagina of 36
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide AMD Geode™ GX Processor/ CS5535 Companion De vice GeodeR OM P or ting Guide April 2006 Publicat ion ID: 32430C.
2 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide © 2006 Advanced Micr o Devices, Inc. All rights reser ved. The contents of this docu ment are pr ovided in connection with Adv anced Micro Devices , Inc. (“AMD”) products.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 3 Contents 32430C Contents List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 List of Tables .
4 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Contents 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 5 List of Figures 32430C List of Figures Figure 3-1. GeodeLink™ Architecture To pology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Figure 4-1.
6 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide List of Figures 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 7 List of T ables 32430C List of T ab les Table 4-1. Default Region Configuration Properties Bit Desc riptions . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 4-2.
8 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide List of T ables 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 9 1 Overview 32430C 1.0 Ov er vie w 1.1 Intr oduction This document descr ibes the changes neede d f or GeodeROM and other BIOSs to suppor t th e AMD Geode™ GX proces- sor and the AMD Geode™ CS5535 co mpanion device.
10 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Assumption 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 11 2 Model Specific Registers 32430C 2.0 Model Specific Registers There are two wa ys to read o r write Mode l Specific Registers (MSRs) in a Geode™ GX proces sor system.
12 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Model Specific Registers 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 13 3 GeodeLink™ Architecture 32430C 3.0 GeodeLink™ Architecture GeodeLink™ architecture connects the inter nal mo dules of th e AMD Geode™ GX processo r using the data channels pro- vided by GeodeLink Interf ace Units (GLI Us).
14 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide GeodeLink™ Architecture 32430C 3.1 GeodeLink™ MSR Addressing The GX processor’ s MSRs are addressed from th e source module to the por t of the target module. The topology of the GX processor must be understood to derive the address.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 15 4 Initialization 32430C 4.0 Initialization 4.1 Processor Initialization The AMD Geode™ GX processor contains many of the components n ormally found in system suppor t chi psets.
16 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Initialization 32430C 4.1.2 Cal culating Pro cessor Speed Entr y Conditions: Stack and No-Stack v ersions required. 8254 timer availab le (por t 61). Procedure: • Utilize the Real Time Stamp Counter (R TSC).
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 17 Initialization 32430C 4.1.3.1 Size Memor y Entr y Conditions: 4 GB descriptor in FS Core register.
18 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Initialization 32430C 4.1.5.1 GLIU Descripto rs Initial ization Register: P2D_BM, P2D_BMO , P2D_R, P2D_RO , P2D_SC (G LIU0.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 19 Initialization 32430C Registers: CR0 RCONF MSRs: CPU Core MSR Address 00001808h-00001817h Instru ction Memor y Configuratio.
20 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Initialization 32430C 4.2 AMD Geode™ CS5535 Compan ion Device Initialization The Geode™ CS5535 is a complete compani on de vice to the GX processor .
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 21 Initialization 32430C 4.2.4.1 IRQ Mapper The XPIC has sev eral incoming sources. They are IRQ, LPC , Y , and Z sources. The Y sources include software , USB, R T C alarm, audi o , power management, NAND Flash, SMB , KEL, and UAR Ts.
22 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Initialization 32430C 4.2.4.6 A CPI 4.2.4.7 P ower Management Logic 4.2.4.8 Flash Interface 4.2.4.9 Other Legacy DD Initializatio n Location: 9C00h or other nor mal ACPI location.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 23 Initialization 32430C 4.2.4.10 DD I/O Locations 4.2.5 A T A-5 / Hard Drive Initialization Hard drive initialization is handled by a system ROM that is loaded by GeodeROM.
24 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Initialization 32430C 4.2.8 GeodeLink™ Contr ol Processor Initializatio n The Geode CS5535 GL CP contains the diagnostic bus, the JT AG interf ace clock, south bridge control, and power manage- ment.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 25 Initialization 32430C 4.5 Miscellaneous Initializations In addition to the previous processor initializations, the graphics card(s) m ust also be initialized. 4.5.1 Initialize Graphics Subsystem There are two different modes: CR T and TFT .
26 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Initialization 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 27 5 Implementation 32430C 5.0 Implementation 5.1 Implementation The follo wing is a collection of imp lementation details to consid er in the GeodeROM implementation phase. 5.1.
28 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Implementation 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 29 6 Setup Options 32430C 6.0 Setup Options Initial configuration is set in the configur ator at build time. Based on those settings, there are some setup options at r untim e that are platform specific.
30 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide 32430C.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 31 7 Memory Map 32430C 7.0 Memor y Map Figures 7-1, 7-2, and 7 -3 show the system memory . Figure 7-1 is the GLIU Descriptor Map, Figure 7-2 shows the Core Cache descriptors, and Figure 7-3 on page 32 shows the Core cache region configurations.
32 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Memory Map 32430C Figure 7-3. CPU Core Cache Region Configurations ROM PCI Memor y Mapped PCI PCI Memor y Mapped VSA PCI M.
AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 33 Memory Map 32430C Figure 7-4. GeodeR OM Flow - GX Process or/CS5535 Devi ce Reset ROM Fe tc h CPU ID Correct? F ailed to Bo.
34 AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P or ting Guide Memory Map 32430C Figure 7-4 "Geo deROM Flo w - GX Proc essor/CS5535 De vice" (Contin ued) Finish Post Setup Sta.
A AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM P orting Guide 35 Appendix A: Suppor t Document ation 32430C Appendix A Suppor t Documentation A.1 Document Revision History This section repor ts the revision/creation process of the por ting guide.
One AMD Place • P .O . Box 3453 • Sunnyv ale, CA 94088-3453 USA • T el: 408-749-4000 or 800-538-8450 • TWX: 910-339-9280 • TELEX: 3 4-6306 www .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il AMD CS5535 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del AMD CS5535 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso AMD CS5535 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul AMD CS5535 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il AMD CS5535, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del AMD CS5535.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il AMD CS5535. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo AMD CS5535 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
