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MMU Register Manual
Bits
Field Name
Description
Type
Reset
Read 0x1:
Never happens
Write 0x1:
Load TLB data
Table 15-31. Register Call Summary for Register MMU_LD_TLB
Basic Programming Model
•
Writing TLB entries statically
MMU Register Manual
•
Table 15-32. MMU_CAM
Address Offset
0x058
Physical address
0x480B D458
Instance
MMU1 (Camera ISP MMU)
0x5D00 0058
MMU2 (IVA2.2 MMU)
Description
This register holds a CAM entry.
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
VATAG
Reserved
P
V
PAGESIZE
Bits
Field Name
Description
Type
Reset
31:12
VATAG
Virtual address tag
RW
0x00000
11:4
Reserved
Reads return 0. Write 0s for future compatibility.
R
0x00
3
P
Preserved bit
RW
0
0x0:
TLB entry can be flushed
0x1:
TLB entry is protected against flush
2
V
Valid bit
RW
0
0x0:
TLB entry is invalid
0x1:
TLB entry is valid
1:0
PAGESIZE
Page size
RW
0x0
0x0:
Section (1MB)
0x1:
Large page (64KB)
0x2:
Small page (4KB)
0x3:
Supersection (16MB)
Table 15-33. Register Call Summary for Register MMU_CAM
MMU Functional Description
•
Basic Programming Model
•
Writing TLB entries statically
•
:
MMU Register Manual
•
•
2695
SWPU177N – December 2009 – Revised November 2010
Memory Management Units
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