config SH_DMA
bool "SuperH on-chip DMA controller (DMAC) support"
+ depends on CPU_SH3 || CPU_SH4
select SH_DMA_API
default n
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"
- 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.
-
config SH_DMABRG
bool "SH7760 DMABRG support"
depends on CPU_SUBTYPE_SH7760