Texas Instruments OMAP5912 Reference Manual page 638

GDMA Handlers
Figure 1. MPU GDMA Handler
OMAP5912
configuration
14 Direct Memory Access (DMA) Support
A 6-bit field is associated with each system channel so that any incoming DMA
request is remapped to the proper system DMA request. See Figure 1-12 for
a description of the MPU GDMA handler.
REQ1
6
x31
registers
6
The default configuration after reset ensures compatibility with the previous
OMAP5912 generation. Programmers have flexibility to remap up to 31
requests according to the application task requirements. Table 1 describes the
mapping between MPU and shared peripherals DMA requests and the MPU
GDMA handler inputs.
OMAP5912 MPU and shared peripherals
REQ56
MPU GDMA handler
REQ_01
System DMA
x31
REQ_31
SPRU755B