Public Version
IVA2.2 Subsystem
www.ti.com
A.4.2 IVA2.2 Subsystem Hardware Requests
A.4.2.1
DMA Requests
The IVA2.2 subsystem receives 13 DMA requests from specific peripherals, such as the McBSP module
and the UART module.
lists external DMA (EDMA) request mappings to the IVA2.2 subsystem EDMA controller.
Table A-5. IVA2.2 Subsystem EDMA Request Mapping
DMA
Source
Description
D_DMA_0
MCBSP1_DMA_TX
MCBSP module 1 - transmit request
D_DMA_1
MCBSP1_DMA_RX
MCBSP module 1 - receive request
D_DMA_2
MCBSP2_DMA_TX
MCBSP module 2 - transmit request
D_DMA_3
MCBSP2_DMA_RX
MCBSP module 2 - receive request
D_DMA_4
MCBSP3_DMA_TX
MCBSP module 3 - transmit request
D_DMA_5
MCBSP3_DMA_RX
MCBSP module 3 - receive request
D_DMA_6
MCBSP4_DMA_TX
MCBSP module 4 - transmit request
D_DMA_7
MCBSP4_DMA_RX
MCBSP module 4 - receive request
D_DMA_8
MCBSP5_DMA_TX
MCBSP module 5 - transmit request
D_DMA_9
MCBSP5_DMA_RX
MCBSP module 5 - receive request
D_DMA_10
UART3_DMA_TX
UART module 3 - transmit request
D_DMA_11
UART3_DMA_RX
UART module 3 - receive request
D_DMA_12
Reserved
Reserved
D_DMA_13
Reserved
Reserved
D_DMA_14
Reserved
Reserved
D_DMA_15
Reserved
Reserved
D_DMA_16
Reserved
Reserved
D_DMA_17
Reserved
Reserved
D_DMA_18
Reserved
Reserved
D_DMA_19
Reserved
Reserved
A.4.2.2
Interrupt Requests
The IVA2.2 subsystem manages three types of interrupts:
•
Internal interrupts: Requests generated by modules in the IVA2.2 subsystem or in the DSP
megamodule included in the IVA2.2 subsystem
•
External interrupts: Requests generated by peripherals external to the IVA2.2 subsystem, like SPI,
display subsystem, or camera subsystem. Peripherals that generate interrupts at the IVA2.2 level use
the IVA2_IRQ[47:0] input lines of the IVA2.2 subsystem.
•
Memory management unit (MMU) interrupt: The IVA2.2 MMU can generate an interrupt to an external
host outside the IVA2.2 subsystem.
lists the global interrupt mappings of the IVA2.2 subsystem.
Table A-6. IVA2.2 Interrupt Mappings
EVT
Interrupts/Events
IVA2.2 Pin Name
Interrupt
Interrupt Description
Source
0
EVT0
N/A (internal)
DSP INT CTL
Output of event combiner 0, for events 4–31
1
EVT1
N/A (internal)
DSP INT CTL
Output of event combiner 1, for events 32–63
2
EVT2
N/A (internal)
DSP INT CTL
Output of event combiner 2, for events 64–95
3
EVT3
N/A (internal)
DSP INT CTL
Output of event combiner 3, for events 96–127
4-8
Reserved
N/A (internal)
N/A
N/A
3660
OMAP36xx Multimedia Device in CYN Package
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated
Содержание OMAP36 Series
Страница 174: ...174 List of Tables SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 692: ...692 MPU Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 1084: ...1084 IVA2 2 Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 1990: ...1990 2D 3D Graphics Accelerator SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2334: ...2334 Memory Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2700: ...2700 Memory Management Units SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2868: ...2868 HDQ 1 Wire SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2974: ...2974 UART IrDA CIR SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3054: ...3054 Multichannel SPI SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3462: ...3462 MMC SD SDIO Card Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3508: ...3508 General Purpose Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3584: ...3584 Initialization SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3648: ...3648 Debug and Emulation SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...