Specification Sheet

MCHBAR Registers
236 Datasheet, Volume 2 of 2
Bit
Range
Default &
Access
Field Name (ID): Description
31
0h
RW0C
SPARE_GT_15_LOG: Reserved
30
0h
RW0C
SPARE_GT_14_LOG: Reserved
29
0h
RW0C
SPARE_GT_13_LOG: Reserved
28
0h
RW0C
INEFFICIENT_OPERATION_LOG: Inefficient operation Log, RW, The current GT
Frequency lower than the DCC target Frequency. Software should write to this bit to
clear the status in this bit
27
0h
RW0C
PBM_PL2_LOG: PBM PL2, PL3 (pkg, platform) Log, RW, When set by hardware
indicates that PBM PL2 or PL3(package or platform PL2 or PL3) has cause GT
frequency clipping. Software should write to this bit to clear the status in this bit
26
0h
RW0C
PBM_PL1_LOG: PBM PL1 (pkg, platform) Log, RW, When set by hardware indicates
that PBM PL1 (package or platform PL1) has cause GT frequency clipping. Software
should write to this bit to clear the status in this bit
25
0h
RW0C
SPARE_GT_9_LOG: Reserved
24
0h
RW0C
OTHER_LOG: Other (IccMax, PL4, etc) Log, RW, When set by hardware indicates that
other has cause reason GT frequency clipping. Software should write to this bit to clear
the status in this bit
23
0h
RW0C
VR_TDC_LOG: VR TDC (Thermal design current) Log, RW, When set by hardware
indicates that VR TDC (Thermal design current has cause GT frequency clipping.
Software should write to this bit to clear the status in this bit
22
0h
RW0C
VR_THERMALERT_LOG: Hot VR (any processor VR) Log, RW, When set by hardware
indicates that Hot VR (any processor VR) has cause GT frequency clipping. Software
should write to this bit to clear the status in this bit
21
0h
RW0C
RATL_LOG: Running average thermal limit Log, RW, When set by hardware indicates
that Running average thermal limit has cause GT frequency clipping. Software should
write to this bit to clear the status in this bit
20
0h
RW0C
RSR_LIMIT_LOG: Reserved
19
0h
RW0C
SPARE_GT_3_LOG: Reserved
18
0h
RW0C
SPARE_GT_LOG_2: Reserved
17
0h
RW0C
THERMAL_LOG: Thermal Log, RW, When set by hardware indicates that Thermal
event has cause GT frequency clipping. Software should write to this bit to clear the
status in this bit
16
0h
RW0C
PROCHOT_LOG: PROCHOT# Log, RW, When set by hardware indicates that
PROCHOT# has cause GT frequency clipping. Software should write to this bit to clear
the status in this bit
15
0h
ROV
SPARE_GT_15: Reserved
14
0h
ROV
SPARE_GT_14: Reserved
13
0h
ROV
SPARE_GT_13: Reserved
12
0h
ROV
INEFFICIENT_OPERATION: Inefficient operation Status, RO, The current GT
Frequency lower than the DCC target Frequency
11
0h
ROV
PBM_PL2: PBM PL2, PL3 (pkg, platform) Status, RO, When set by hardware indicates
that PBM PL2 or PL3(package or platform PL2 or PL3) has cause GT frequency clipping