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dmaengine: Add support for APM X-Gene SoC DMA engine driver

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This patch implements the APM X-Gene SoC DMA engine driver. The APM X-Gene
SoC DMA engine consists of 4 DMA channels for performing DMA operations.
These DMA operations include memory copy, scatter-gather memory copy,
raid5 xor, and raid6 p+q offloading.

Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com>
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Rameshwar Prasad Sahu
2015-03-18 19:17:34 +05:30
committed by Vinod Koul
parent 0c1c8ff32f
commit 9f2fd0dfa5
3 changed files with 2099 additions and 0 deletions
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drivers/dma/Kconfig
+8
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@@ -435,6 +435,14 @@ config IMG_MDC_DMA
help help
Enable support for the IMG multi-threaded DMA controller (MDC). Enable support for the IMG multi-threaded DMA controller (MDC).
config XGENE_DMA
tristate "APM X-Gene DMA support"
select DMA_ENGINE
select DMA_ENGINE_RAID
select ASYNC_TX_ENABLE_CHANNEL_SWITCH
help
Enable support for the APM X-Gene SoC DMA engine.
config DMA_ENGINE config DMA_ENGINE
bool bool
drivers/dma/Makefile
+1
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@@ -52,3 +52,4 @@ obj-$(CONFIG_INTEL_MIC_X100_DMA) += mic_x100_dma.o
obj-$(CONFIG_NBPFAXI_DMA) += nbpfaxi.o obj-$(CONFIG_NBPFAXI_DMA) += nbpfaxi.o
obj-$(CONFIG_DMA_SUN6I) += sun6i-dma.o obj-$(CONFIG_DMA_SUN6I) += sun6i-dma.o
obj-$(CONFIG_IMG_MDC_DMA) += img-mdc-dma.o obj-$(CONFIG_IMG_MDC_DMA) += img-mdc-dma.o
obj-$(CONFIG_XGENE_DMA) += xgene-dma.o
drivers/dma/xgene-dma.c
Executable
+2090
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