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IVA2.2 Subsystem Register Manual
Bits
Field Name
Description
Type
Reset
31:19
Reserved
Write 0s for future compatibility.
RW
0x000
Read returns 0.
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.
RW
0x000
Read returns 0.
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)
Table 5-73. Register Call Summary for Register CPUARBE
IVA2.2 Subsystem Basic Programming Model
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IVA2.2 Subsystem Register Manual
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Table 5-74. IDMAARBE
Address Offset
0x0000 0204
Physical address
0x0182 0204
Instance
IVA2.2 GEMIDMA
Description
IDMA Arbitration control
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
MAXWAIT
Bits
Field Name
Description
Type
Reset
31:6
Reserved
Write 0s for future compatibility.
RW
0x0000000
Read returns 0.
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)
823
SWPU177N – December 2009 – Revised November 2010
IVA2.2 Subsystem
Copyright © 2009–2010, Texas Instruments Incorporated