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418 AMD Geode™ LX Processors Data Book
Video Processor Register Descriptions
33234H
6.8.1.5 GLD Power Management MSR (GLD_MSR_PM)
6.8.1.6 GLD Diagnostic MSR (GLD_MSR_DIAG)
This register is reserved for internal use by AMD and should not be written to.
MSR Address 48002004h
Typ e R /W
Reset Value 00000000_00000555h
GLD_MSR_PM 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
313029282726252423222120191817161514131211109876543210
RSVD SP RSVD
PMD5
RSVD
PMD4
RSVD
PMD3
RSVD
PMD2
RSVD
PMD1
RSVD
PMD0
GLD_MSR_PM Bit Descriptions
Bit Name Description
63:28 RSVD Reserved.
27:24 SP Spare. Read/write, no function.
23:11 RSVD Reserved.
10 PMD5 VOP 2x Dot Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
9 RSVD Reserved.
8PMD4 VP Video Dot Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
7 RSVD Reserved.
6PMD3 FP Dot Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
5 RSVD Reserved.
4PMD2 FP GLIU Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
3 RSVD Reserved.
2PMD1 VP Graphics Dot Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
1 RSVD Reserved.
0PMD0 VP GLIU Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
MSR Address 48002005h
Typ e R /W
Reset Value 00000002_00000000h