ELM
7.4.5.4
ELM Interrupt Status Register (ELM_IRQSTATUS)
This register doubles as a status register for the error-location processes. The ELM Interrupt Status
Register (ELM_IRQSTATUS) is shown in
and described in
Figure 7-144. ELM Interrupt Status Register (ELM_IRQSTATUS)
31
16
Reserved
R-0
15
9
8
Reserved
PAGE_VALID
R-0
R/W-0
7
6
5
4
3
2
1
0
LOC_VALID_7
LOC_VALID_6
LOC_VALID_5
LOC_VALID_4
LOC_VALID_3
LOC_VALID_2
LOC_VALID_1
LOC_VALID_0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 7-178. ELM Interrupt Status Register (ELM_IRQSTATUS) Field Descriptions
Bit
Field
Value
Description
31-9
Reserved
0
Reserved
8
PAGE_VALID
Error-location status for a full page, based on the mask definition.
0
Read: Error locations invalid for all polynomials enabled in the ECC_INTERRUPT_MASK
register.
1
Read: All error locations valid.
0
Write: No effect.
1
Write: Clear interrupt.
7
LOC_VALID_7
Error-location status for syndrome polynomial 7.
0
Read: No syndrome processed or process in progress.
1
Read: Error-location process completed.
0
Write: No effect.
1
Write: Clear interrupt.
6
LOC_VALID_6
Error-location status for syndrome polynomial 6.
0
Read: No syndrome processed or process in progress.
1
Read: Error-location process completed.
0
Write: No effect.
1
Write: Clear interrupt.
5
LOC_VALID_5
Error-location status for syndrome polynomial 5.
0
Read: No syndrome processed or process in progress.
1
Read: Error-location process completed.
0
Write: No effect.
1
Write: Clear interrupt.
4
LOC_VALID_4
Error-location status for syndrome polynomial 4.
0
Read: No syndrome processed or process in progress.
1
Read: Error-location process completed.
0
Write: No effect.
1
Write: Clear interrupt.
3
LOC_VALID_3
Error-location status for syndrome polynomial 3.
0
Read: No syndrome processed or process in progress.
1
Read: Error-location process completed.
0
Write: No effect.
1
Write: Clear interrupt.
490
Memory Subsystem
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated