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AMD Geode™ GX Processor/CS5535 Companion Device GeodeROM Porting Guide 13
3
GeodeLink™ Architecture 32430C
3.0GeodeLink™ Architecture
GeodeLink™ architecture connects the internal modules of the AMD Geode™ GX processor using the data channels pro-
vided by GeodeLink Interface Units (GLIUs). GeodeLink modules are connected to GLIU ports 1 – 7 as shown in Figure 3-
1. Port 0 is always the GLIU itself. GLIUs can be chained together and up to a maximum of six GLIUs can be connected
allowing for 32 modules.
Figure 3-1. GeodeLink™ Architecture Topology
GLMC
CPU Core
DC
GLIU1
VP
7
6
1
3
4
5
2
0
GP
GLIU0
1
2
3
5
4
6
7
0
GLPCI
PCI Bus
Not Used
GLCP
GIO
Not Used
Not Used
Not Used
1
2
3
4
5
6
7
0
ACC
USBC2
ATAC
DD
GLCP
USBC1
GLIU0
GLIU1
GLIU
GLPCI
AMD Geode™
CS5535
AMD Geode™
GX Processor
Companion
Device