0000189fh, 00000000_00000000h, 000018c0h – AMD Geode LX [email protected] User Manual
Page 182
182
AMD Geode™ LX Processors Data Book
CPU Core Register Descriptions
33234H
5.5.2.87 L2 TLB/DTE/PTE Entry with Increment MSR (L2TLB_ENTRY_I_MSR)
Bit descriptions for this register are the same as for MSR 0000189Eh, except read/write of this register causes an auto-
increment on the L2TLB_INDEX_MSR (MSR 0000189Ch).
5.5.2.88 Data Memory Subsystem Built-In Self-Test MSR (DM_BIST_MSR)
MSR Address
0000189Fh
Type
R/W
Reset Value
00000000_00000000h
L2TLB_ENTRY_I_MSR 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
LINADDR
RSVD
WP
WA
_
W
S
WC
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
PHYSADDR
RSVD
GL
OB
A
L
RS
V
D
DIR
T
Y
AC
C
CD
WT
_B
R
US
WR
VA
L
ID
MSR Address
000018C0h
Type
R/W
Reset Value
00000000_00000000h
DM_BIST_MSR 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
TAGCMP
TAGDAT
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
TL
BC
MP
TLBD
A
T
DATA
RSVD
RETEN_T
L
B
R
UN_T
L
B
RETEN_D
A
T
A
R
UN_D
A
T
A
RETEN_
T
A
G
R
UN_T
A
G
DM_BIST_MSR Bit Descriptions
Bits
Name
Description
63:48
TAGCMP[15:0]
(RO)
Cache Tag Comparators (Read Only). BIST results for cache tag comparators
(array15...array0).
0: Fail.
1: Pass.
47:32
TAGDAT[15:0]
(RO)
Cache Tag Data (Read Only). BIST results for cache tag data integrity (array15...array0).
0: Fail.
1: Pass.
31:30
TLBCMP[1:0]
(RO)
L2 TLB Comparators (Read Only). BIST results for L2 TLB comparators (array1, array0).
0: Fail.
1: Pass.
29:28
TLBDAT[1:0]
(RO)
L2 TLB Data (Read Only). BIST results for L2 TLB data integrity (array1, array0).
0: Fail.
1: Pass.
27:24
DATA[3:0] (RO)
Data Cache Data (Read Only). BIST results for data cache data arrays[3:0].
0: Fail.
1: Pass.
23:6
RSVD (RO)
Reserved (Read Only). Read as 0.