cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 54

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

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Global Concepts and Features
left and never enter the CS5535.
Routing
[31:29]
These bits are shifted off to the
Field 0
Bits
010
010
010
010
010
010
010
010
010
Routing
[28:26]
Field 1
Bits
100
100
100
100
100
100
100
100
100
Routing
Field 2
[25:23]
Bits
010
010
010
010
010
010
010
010
010
Table 3-2. CS5535 MSR Addresses from GX2 Processor
Routing
These bits are shifted into posi-
[22:20]
Field 3
tions [31:23] by the time they
Bits
Bits in positions [22:14] are
000
000
001
010
011
100
101
110
111
always 0 after shifting.
reach the CS5535.
(Continued)
Routing
[19:17]
Field 4
Bits
000
Non-zero value
Any value
Any value
Any value
Any value
Any value
Any value
Any value
54
Routing
Field 5
[16:14]
Bits
000
GLPCI_SB
5100xxxxh
5101xxxxh
5120xxxxh
5130xxxxh
5140xxxxh
5150xxxxh
5160xxxxh
5170xxxxh
Address
Name &
USBC2
USBC1
Target
Illegal
GLCP
GLIU
ATAC
GLD
ACC
DD
Comment
This all-zero convention indicates
to the GLPCI_SB that the MSR
packet coming across the PCI bus
is actually for the GLCPI_SB.
This non-zero convention indi-
cates to the GLPCI_SB that the
MSR packet coming across the
PCI bus should be forwarded to
the GLIU. The GLIU only looks at
[22:20] and hence, keeps the
packet.
The GLIU can not send any pack-
ets back to the port it came from.
Revision 0.8