cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 300

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

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DIVIL Register Descriptions
5.6.1.2
MSR Address
Type
Reset Value
5.6.1.3
MSR Address
Type
Reset Value
The flags are set by internal conditions. The internal conditions are enabled if the EN bit is 1. Reading the FLAG bit returns
the value; writing 1 clears the flag; writing 0 has no effect. (See Section 3.8.3 "MSR Address 2: SMI Control" on page 67 for
further SMI/ASMI generation details.)
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63:19
18:16
15:14
11:7
Bit
6:4
2:0
13
12
3
GeodeLink Device Master Configuration MSR (DIVIL_GLD_MSR_CONFIG)
GeodeLink Device SMI MSR (DIVIL_GLD_MSR_SMI)
Name
RSVD
FIX_PREFETCH
DISCARD
NON_COH_WR
NON_COH_RD
RSVD
PRI
RSVD (RO)
PID
51400001h
R/W
00000000_0000F000h
51400002h
R/W
00000000_00000000h
RSVD
Description
Reserved. Reads return 0. Writes have no effect.
Fixed Read Prefetch Policy.
000: None. Each read takes a complete trip to memory.
001: Initial read 08 bytes. Read next 8 only when requested.
010: Initial read 16 bytes. Read next 16 only when requested.
011: Initial read 32 bytes. Read next 32 only when requested.
100: Initial read 32 bytes. Read next 32 when 16 bytes left.
101, 110, and 111: Reserved.
Read Prefetch Discard Policy.
00: Reserved.
01: Discard all data not taken under current local bus grant.
10: Discard all data on any local bus transaction.
11: Discard all data on any local bus write transaction. Always use this value.
Non-Coherent Write.
0: Write requests are coherent.
1: Write requests are non-coherent. Always use this value.
Non-Coherent Read.
0: Read requests are coherent.
1: Read requests are non-coherent. Always use this value.
Reserved. Reads as 0.
Priority Level. Always write 0.
Reserved (Read Only). Returns 0.
Priority ID. Always write 0.
DIVIL_GLD_MSR_CONFIG Bit Descriptions
DIVIL_GLD_MSR_CONFIG Register Map
(Continued)
RSVD
300
RSVD
9
8
7
6
PRI
5
4
3
2
Revision 0.8
PID
1
0