AMD Geode LX 800@0.9W - Manual (Page 108)

108 AMD Geode™ LX Processors Data Book
CPU Core Register Descriptions 33234H
5.5.1 Standard GeodeLink™ Device MSRs
5.5.1.1 GLD Capabilities MSR (GLD_MSR_CAP)
5.5.1.2 GLD Master Configuration MSR (GLD_MSR_CONFIG)
MSR Address 00002000h
Type RO
Reset Value 00000000_000864xxh
GLD_MSR_CAP 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 DEV_ID REV_ID
GLD_MSR_CAP Bit Descriptions
Bit Name Description
63:24 RSVD Reserved. Reads as 0.
23:8 DEV_ID Device ID. Identifies device (0864h).
7:0 REV_ID Revision ID. Identifies device revision. See AMD Geode™ LX Processors Specification
Update document for value.
MSR Address 00002001h
Type R/W
Reset Value 00000000_00000320h
GLD_MSR_CONFIG 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 RSVD PRI0
RSVD
PID
GLD_MSR_CONFIG Bit Descriptions
Bit Name Description
63:11 RSVD Reserved. Write as read.
10:7 RSVD Reserved. (Default = 3)
6:4 PRI0 Priority Level. Priority value used for CPU Core GLIU requests. (Default = 2)
3 RSVD Reserved. Write as read.
2:0 PID Priority ID Value. Priority ID value used for CPU Core GLIU requests. Always write to 0.
(Default = 0)