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Diffstat (limited to '')
| -rw-r--r-- | arch/sh/drivers/dma/Kconfig | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig new file mode 100644 index 000000000..7d54f284c --- /dev/null +++ b/arch/sh/drivers/dma/Kconfig @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: GPL-2.0 +menu "DMA support" + + +config SH_DMA + bool "SuperH on-chip DMA controller (DMAC) support" + depends on CPU_SH3 || CPU_SH4 + default n + +config SH_DMA_IRQ_MULTI + bool + depends on SH_DMA + default y if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7751 || \ + CPU_SUBTYPE_SH7750S || CPU_SUBTYPE_SH7750R || \ + CPU_SUBTYPE_SH7751R || CPU_SUBTYPE_SH7091 || \ + CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7780 || \ + CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7760 + +config SH_DMA_API + depends on SH_DMA + bool "SuperH DMA API support" + default n + help + SH_DMA_API always enabled DMA API of used SuperH. + If you want to use DMA ENGINE, you must not enable this. + Please enable DMA_ENGINE and SH_DMAE. + +config NR_ONCHIP_DMA_CHANNELS + int + depends on SH_DMA + default "4" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7751 || \ + CPU_SUBTYPE_SH7750S || CPU_SUBTYPE_SH7091 + default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \ + CPU_SUBTYPE_SH7760 + default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780 || \ + CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7724 + default "6" + help + This allows you to specify the number of channels that the on-chip + DMAC supports. This will be 4 for SH7750/SH7751/Sh7750S/SH7091 and 8 for the + SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724, default is 6. + +config SH_DMABRG + bool "SH7760 DMABRG support" + depends on CPU_SUBTYPE_SH7760 + help + 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. + +config PVR2_DMA + tristate "PowerVR 2 DMAC support" + depends on SH_DREAMCAST && SH_DMA + help + Selecting this will enable support for the PVR2 DMA controller. + As this chains off of the on-chip DMAC, that must also be + enabled by default. + + This is primarily used by the pvr2fb framebuffer driver for + certain optimizations, but is not necessary for functionality. + + If in doubt, say N. + +config G2_DMA + tristate "G2 Bus DMA support" + depends on SH_DREAMCAST && SH_DMA_API + help + This enables support for the DMA controller for the Dreamcast's + G2 bus. Drivers that want this will generally enable this on + their own. + + If in doubt, say N. + +endmenu |