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PRCM Register Manual
Table 3-306. PM_PWSTST_IVA2
Address Offset
0x0000 00E4
Physical Address
0x4830 60E4
Instance
IVA2_PRM
Description
This register provides a status on the power state transition of the IVA2 domain.
Type
R
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
RESERVED
RESERVED
RESERVED
INTRANSITION
LOGICSTATEST
POWERSTATEST
L2FLATMEMSTATEST
L1FLATMEMSTATEST
SHAREDL2CACHEFLATSTATEST
SHAREDL1CACHEFLATSTATEST
Bits
Field Name
Description
Type
Reset
31:21
RESERVED
Write 0s for future compatibility. Read returns 0.
R
0x000
20
INTRANSITION
Domain transition status
R
0x0
0x0: No transition
0x1: IVA2 power domain transition is in progress.
19:12
RESERVED
Write 0s for future compatibility. Read returns 0.
R
0x00
11:10
L2FLATMEMSTATEST
L2 Flat memory state status
R
0x3
0x0: L2 Flat memory is OFF
0x1: L2 Flat memory is in RETENTION
0x2: Reserved
0x3: L2 Flat memory is ON
9:8
SHAREDL2CACHEFLATSTATE
Shared L2 Cache and Flat memory state status
R
0x3
ST
0x0: Shared L2 Cache and Flat memory is OFF
0x1: Shared L2 Cache and Flat memory is in
RETENTION
0x2: Reserved
0x3: Shared L2 Cache and Flat memory is ON
7:6
L1FLATMEMSTATEST
L1 Flat memory state status
R
0x3
0x0: L1 Flat memory is OFF
0x1: L1 Flat memory is in RETENTION
0x2: Reserved
0x3: L1 Flat memory is ON
5:4
SHAREDL1CACHEFLATSTATE
Shared L1 Cache and Flat memory state status
R
0x3
ST
0x0: Shared L1 Cache and Flat memory is OFF
0x1: Shared L1 Cache and Flat memory is in
RETENTION
0x2: Reserved
0x3: Shared L1 Cache and Flat memory is ON
3
RESERVED
Read returns 0.
R
0x0
2
LOGICSTATEST
Logic state status
R
0x1
0x0: IVA2 domain logic is OFF
0x1: IVA2 domain logic is ON
555
SWPU177N – December 2009 – Revised November 2010
Power, Reset, and Clock Management
Copyright © 2009–2010, Texas Instruments Incorporated