5 gld power management msr (gld_msr_pm), 6 gld diagnostic msr (gld_msr_diag), 50002004h – AMD Geode LX [email protected] User Manual
Page 577: Gld power management msr (gld_msr_pm), 00000000_00000015h, 50002005h, Gld diagnostic msr (gld_msr_diag), 00000000_00000000h
AMD Geode™ LX Processors Data Book
577
GeodeLink™ PCI Bridge Register Descriptions
33234H
6.16.1.5 GLD Power Management MSR (GLD_MSR_PM)
6.16.1.6 GLD Diagnostic MSR (GLD_MSR_DIAG)
This register is for AMD use only and should not be written to.
MSR Address
50002004h
Type
R/W
Reset Value
00000000_00000015h
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
PM2
RSVD
PM1
RSVD
PM0
GLD_MSR_PM Bit Descriptions
Bit
Name
Description
63:5
RSVD (RO)
Reserved (Read Only). Reserved for future use.
4
PM2
Power Mode 2. Power mode for PCI-fast clock domain.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
3
RSVD (RO)
Reserved (Read Only). Reserved for future use.
2
PM1
Power Mode 1. Power mode for PCI clock domain.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
1
RSVD (RO)
Reserved (Read Only). Reserved for future use.
0
PM0
Power Mode 0. Power mode for GLIU clock domain.
0: Disable clock gating. Clocks are always ON.
1: Enable active hardware clock gating.
MSR Address
50002005h
Type
R/W
Reset Value
00000000_00000000h