menu "DMA support"
-config SH_DMA
- bool "DMA controller (DMAC) support"
- help
- Selecting this option will provide same API as PC's Direct Memory
- Access Controller(8237A) for SuperH DMAC.
+config SH_DMA_API
+ bool
- If unsure, say N.
+config SH_DMA
+ bool "SuperH on-chip DMA controller (DMAC) support"
+ depends on CPU_SH3 || CPU_SH4
+ select SH_DMA_API
+ default n
config NR_ONCHIP_DMA_CHANNELS
depends on SH_DMA
support. Setting this to a higher value allows for cascading DMACs
with additional channels.
-config DMA_PAGE_OPS
- bool "Use DMAC for page copy/clear"
- depends on SH_DMA && BROKEN
- help
- Selecting this option will use a dual-address mode configured channel
- in the SH DMAC for copy_page()/clear_page(). Primarily a performance
- hack.
-
-config DMA_PAGE_OPS_CHANNEL
- depends on DMA_PAGE_OPS
- int "DMA channel for sh memory-manager page copy/clear"
- default "3"
+config SH_DMABRG
+ bool "SH7760 DMABRG support"
+ depends on CPU_SUBTYPE_SH7760
help
- This allows the specification of the dual address dma channel,
- in case channel 3 is unavailable. On the SH4, channels 1,2, and 3
- are dual-address capable.
+ The DMABRG does data transfers from main memory to Audio/USB units
+ of the SH7760.
+ Say Y if you want to use Audio/USB DMA on your SH7760 board.
endmenu