AMD Geode LX 800@0.9W - Manual (Page 201)

AMD Geode™ LX Processors Data Book 201
CPU Core Register Descriptions 33234H
5.5.2.112 Memory Subsystem Array Control 1 MSR (MSS_ARRAY_CTL1_MSR)
5.5.2.113 Memory Subsystem Array Control 2 MSR (MSS_ARRAY_CTL2_MSR)
L2 delay control settings.
MSR Address 00001982h
Type R/W
Reset Value 00000000_104823CFh
MSS_ARRAY_CTL1_MSR Register Map
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
RSVD
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD IMDATA1 IMDATA0 IMTAG1 IMTAG0
MSS_ARRAY_CTL1_MSR Bit Descriptions
Bit Name Description
63:30 RSVD Reserved. (Default = 0)
29:21 IMDATA1 Instruction Memory Subsystem Data 1 Delay Control. (Default = 82)
20:12 IMDATA0 Instruction Memory Subsystem Data 0 Delay Control. (Default = 82)
11:6 IMTAG1 Instruction Memory Subsystem Tag 1 Delay Control. (Default = F)
5:0 IMTAG0 Instruction Memory Subsystem Tag 0 Delay Control. (Default = F)
MSR Address 00001983h
Type R/W
Reset Value 00000104_820C30C3h
MSS_ARRAY_CTL2_MSR Register Map
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
RSVD L2DATA1
L2
D
A
T
A
0
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
L2DATA0 L2TAG3 L2TAG2 L2TAG1 L2TAG0
MSS_ARRAY_CTL2_MSR Bit Descriptions
Bit Name Description
63:42 RSVD Reserved. (Default = 0)
41:33 L2DATA1 L2 Cache Data 1 Delay Setting. (Default = 82)
32:24 L2DATA0 L2 Cache Data 0 Delay Setting. (Default = 82)
23:18 L2TAG3 L2 Cache Tag 3 Delay Setting. (Default = 3)
17:12 L2TAG2 L2 Cache Tag 2 Delay Setting. (Default = 3)
11:6 L2TAG1 L2 Cache Tag 1 Delay Setting. (Default = 3)
5:0 L2TAG0 L2 Cache Tag 0 Delay Setting. (Default = 3)