1 standard geodelink™ device (gld) msrs, 1 gld capabilities msr (gld_msr_cap), 2 gld master configuration msr (gld_msr_config) – AMD Geode LX [email protected] User Manual
Page 55: Gld capabilities msr (gld_msr_cap), Gld master configuration msr (gld_msr_config)
AMD Geode™ LX Processors Data Book
55
GLIU Register Descriptions
33234H
4.2.1
Standard GeodeLink™ Device (GLD) MSRs
4.2.1.1
GLD Capabilities MSR (GLD_MSR_CAP)
4.2.1.2
GLD Master Configuration MSR (GLD_MSR_CONFIG)
MSR Address
GLIU0: 10002000h
GLIU1: 40002000h
Type
RO
Reset Value
00000000_000014xxh
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.
23:8
DEV_ID
Device ID. Identifies device (0014h).
7:0
REV_ID
Revision ID. Identifies device revision. See AMD Geode™ LX Processors Specification
Update document for value
MSR Address
GLIU0: 10002001h
GLIU1: 40002001h
Type
R/W
Reset Value
GLIU0: 00000000_00000002h
GLIU1: 00000000_00000004h
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
SUBP
GLD
_MSR_CONFIG Bit Descriptions
Bit
Name
Description
63:3
RSVD
Reserved.
2:0
SUBP
Subtractive Port. Subtractive port assignment for all negative decode requests.
000: Port 0 (GLIU0 = GLIU; GLIU1 = GLIU)
001: Port 1 (GLIU0 = GLMC; GLIU1 = Interface to GLIU0)
010: Port 2 (GLIU0 = Interface to GLIU1; GLIU1 = VP)
011: Port 3 (GLIU0 = CPU Core; GLIU1 = GLCP)
100: Port 4 (GLIU0 = DC; GLIU1 = GLPCI)
101: Port 5 (GLIU0 = GP; GLIU1 = VIP)
110: Port 6 (GLIU0 = Not Used; GLIU1 = SB)
111: Port 7 (GLIU0 = Not Used; GLIU1 = Not Used)