
Public Version
PRCM Register Manual
www.ti.com
Bits
Field Name
Description
Type
Reset
1:0
POWERSTATEST
Current power state status
R
0x3
0x0: Power domain is OFF
0x1: Power domain is in RETENTION
0x2: Power domain is INACTIVE
0x3: Power domain is ON
Table 3-307. Register Call Summary for Register PM_PWSTST_IVA2
PRCM Basic Programming Model
•
PM_PWSTST_ <domain_name> (Power State Status Register)
PRCM Register Manual
•
Table 3-308. PM_PREPWSTST_IVA2
Address Offset
0x0000 00E8
Physical Address
0x4830 60E8
Instance
IVA2_PRM
Description
This register provides a status on the IVA2 domain previous power state. It indicates the state entered
during the last sleep transition.
Type
RW
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
LASTLOGICSTATEENTERED
LASTPOWERSTATEENTERED
LASTL2FLATMEMSTATEENTERED
LASTL1FLATMEMSTATEENTERED
LASTSHAREDL2CACHEFLATSTATEENTERED
LASTSHAREDL1CACHEFLATSTATEENTERED
Bits
Field Name
Description
Type
Reset
31:12
RESERVED
Read returns 0.
R
0x00000
11:10
LASTL2FLATMEMSTATEENTE
Last L2 Flat memory state entered
RW
0x0
RED
0x0: L2 Flat memory was previously OFF
0x1: L2 Flat memory was previously in RETENTION
0x2: Reserved
0x3: L2 Flat memory was previously ON
9:8
LASTSHAREDL2CACHEFLATS
Shared L2 Cache and Flat memory last state entered
RW
0x0
TATE
0x0: Shared L2 Cache and Flat memory was previously
ENTERED
OFF
0x1: Shared L2 Cache and Flat memory was previously
in RETENTION
0x2: Reserved
0x3: Shared L2 Cache and Flat memory was previously
ON
556
Power, Reset, and Clock Management
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated