EP80579 Datasheet, PDF (628/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 16-257.Offset 140h: MBCSR - MemBIST Control Register (Sheet 3 of 3)
Description: MBCSR: Top level control register for DDR MemBIST.
View: PCI
BAR: SMRBASE
Bus:Device:Function: 0:0:0
Offset Start: 140h
Offset End: 143h
Size: 32 bit
Default: 00000000h
Power Well: Core
Bit Range
14
13
Bit Acronym
Bit Description
Sticky
MBDATA: Selects use of MBDATA for error log field for
LFSR, Circular Shift and user defined data modes. This
field has no effect on fixed data patterns.
MBDATA
0 => use MBDATA0/1/2/3/8 for failure data bit location
N
accumulator.
1 => use MBDATA0/1/2/3/8 to log 5 failure addresses.
ABAR
0: only supported setting
N
Bit Reset
Value
0b
0b
Bit Access
RW
RW
12
11 :10
ADIR
FAST
ADIR: Address decode direction
0 => Address increments
1 => Address decrements
FAST Address sequencing
00: only supported setting
N
0b
RW
N
00b
RW
Data type selection:
00 => Fixed data pattern, selected by MBCSR bits
18:16
01 => 144 bits user defined data
10 => Circular shift data based on Seed in MBLFSRSED
11 => LFSR data, seeded from 32 bit LFSR seed
9 :08
DTYPE
register.
N
00b
RW
Note: Circular shift data and LFSR data type should not
be used for single address operation (ATYPE = 01).
Note: Circular shift data and LFSR data type only for 72-
bit mode
Address type:
00 => Reserved
01 => Single physical address operation, contained in
MBADDR row/column/bank.
7 :06
ATYPE
10 => start/end physical address range defined in
MB_START_ADDR & MB_END_ADDR registers.
N
00b
RW
11 => full address range of the DIMM as defined in
DRA/DRB registers which specifies the number of banks,
rows, and columns.
•
Command execution:
00 => Read only without data comparison
5 :04
CMD
01 => Write only
N
00b
RW
10 => Read with data comparison
11 => Write followed by Read with data comparison
3 :00
Reserved Reserved
N
0000b
RO
Intel^® EP80579 Integrated Processor Product Line Datasheet
628
August 2009
Order Number: 320066-003US