Internal Modules
240
SPRUHI7A – December 2012 – Revised June 2016
Copyright © 2012–2016, Texas Instruments Incorporated
High-Definition Video Processing Subsystem (HDVPSS)
1.2.13.3.1.3 Data Packet Descriptor Word 2
Table 1-75. Data Packet Descriptor Word 2 Field Descriptions
Bit
Field
Value
Description
31-0
Start Address
32-bit data source address [31:0]
If Mode is TILED, then TILER specific ADDRESS Map is used:
Bits 31-29:
0
0-degree view
1h
180-degree view + mirroring
2h
0-degree view + mirroring
3h
180-degree view
4h
270-degree view + mirroring
5h
270-degree view
6h
90-degree view
7h
90-degree view + mirroring
Bits 28-27:
0
8-bit container
1h
16-bit container
2h
32-bit container
3h
Page Mode
If Mode is NORMAL, then bits 31-26 are the upper bits of the address.
1.2.13.3.1.3.1 Start Address
This is the byte aligned address for the first data transfer. It should be set to the leftmost address fetch if
the R to L field is not set in the descriptor. If the R to L field is set then the address for the right most pixel
should be specified. The lower bits will be used by the client to determine where to grab the first pixel. The
address on the OCP bus will always be word aligned.
1.2.13.3.1.4 Data Packet Descriptor Word 3
Table 1-76. Data Packet Descriptor Word 3 Field Descriptions
Bits
Name
Description
31-27
Packet Type
Host Packet Descriptor Type = 0xa
26
Mode
0= Normal, 1=TILED
25
Direction
Inbound = 0, Outbound = 1
24-16
Channel
Channel for which this descriptor
describes
15
Reserved
Reserved for future use
11-9
Priority
Only Bit 9 and Bit 11 are used to set the
priority. Bit 10 is ignored.
Highest = 0, Lowest = 3
By default, hardware assigns priority = 3.
This priority level is used in the arbitration
between the masters at EMIF level (for
DDR access). See
for more details.
8-0
Next Channel
Next Channel to execute on a line or the
channel to use in the generated write
descriptor.