AMD Geode LX 800@0.9W - Manual (Page 418)

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
Type 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
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 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.
8 PMD4 VP Video Dot Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
7 RSVD Reserved.
6 PMD3 FP Dot Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
5 RSVD Reserved.
4 PMD2 FP GLIU Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
3 RSVD Reserved.
2 PMD1 VP Graphics Dot Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
1 RSVD Reserved.
0 PMD0 VP GLIU Clock Power Mode.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
MSR Address 48002005h
Type R/W
Reset Value 00000002_00000000h