
Public Version
IVA2.2 Subsystem Register Manual
www.ti.com
Bits
Field Name
Description
Type
Reset
31:19
Reserved
Write 0s for future compatibility. Read returns 0.
R
0x0000
18:16
POPER
Previous value of the OPER field
R
0x0
Read 0x0:
L1D cache operates normally
Read 0x1:
L1D Cache is frozen
15:3
Reserved
Write 0s for future compatibility. Read returns 0.
RW
0x0000
2:0
OPER
DMC operation control
RW
0x0
0x0:
L1D cache operates normally
0x1:
L1D Cache is frozen
Table 5-100. Register Call Summary for Register L1DCC
IVA2.2 Subsystem Basic Programming Model
•
IVA2.2 Subsystem Register Manual
•
Table 5-101. CPUARBU
Address Offset
0x0000 1000
Physical address
0x0184 1000
Instance
IVA2.2 GEMXMC
Description
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
PRI
Reserved
MAXWAIT
Bits
Field Name
Description
Type
Reset
31:19
Reserved
Write 0s for future compatibility. Read returns 0.
RW
0x0000
18:16
PRI
Priority
RW
0x1
0x0:
Highest priority
0x1:
2nd highest priority
0x2:
3rd highest priority
0x3:
4th highest priority
0x4:
5th highest priority
0x5:
6th highest priority
0x6:
7th highest priority
0x7:
Lowest priority
15:6
Reserved
Write 0s for future compatibility. Read returns 0.
RW
0x000
5:0
MAXWAIT
Maximum Wait time (in UMC/EMC cycles)
RW
0x10
0x0:
Always stalls due to higher priority requestor
0x1:
Maximum wait of 1 cycles (1/2 = 50% access)
0x2:
Maximum wait of 2 cycles (1/3 = 33% access)
0x4:
Maximum wait of 4 cycles (1/5 = 20% access)
0x8:
Maximum wait of 8 cycles (1/9 = 11% access)
0x10:
Maximum wait of 16 cycles (1/17 = 6% access)
0x20:
Maximum wait of 32 cycles (1/33 = 3% access)
832
IVA2.2 Subsystem
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated