linux-kernel - [PATCH 2/4] dmaengine: Xilinx MPMC Kconfig/make

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Date:	Wed, 17 Mar 2010 11:26:16 -0500
From:	"Steven J. Magnani" <steve@...idescorp.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	linux-kernel@...r.kernel.org, microblaze-uclinux@...e.uq.edu.au,
	monstr@...str.eu, Grant Likely <grant.likely@...retlab.ca>,
	"Steven J. Magnani" <steve@...idescorp.com>
Subject: [PATCH 2/4] dmaengine: Xilinx MPMC Kconfig/make

Integrate xlldma drivers into the build.

Signed-off-by: Steven J. Magnani <steve@...idescorp.com>
---
diff -uprN a/drivers/dma/Kconfig b/drivers/dma/Kconfig
--- a/drivers/dma/Kconfig	2010-03-16 13:27:42.000000000 -0500
+++ b/drivers/dma/Kconfig	2010-03-17 11:11:57.000000000 -0500
@@ -126,6 +126,28 @@ config AMCC_PPC440SPE_ADMA
 	help
 	  Enable support for the AMCC PPC440SPe RAID engines.
 
+config XLL_DMA
+	tristate "Xilinx LocalLink DMA support"
+	depends on XILINX_VIRTEX || MICROBLAZE
+	select DMA_ENGINE
+	---help---
+	  Enable support for the Xilinx MPMC DMA controller.
+	  This requires at least one MPMC SDMA port wired as a "loopback".
+
+	  If unsure, say N.
+
+config XLL_DMA_OF
+        tristate "Xilinx LocalLink DMA OF device"
+        depends on XLL_DMA && OF
+        help
+          OpenFirmware bus attachment for the Xilinx LocalLink DMA engine.
+
+config XLL_DMA_PLAT
+        tristate "Xilinx LocalLink DMA platform device"
+        depends on XLL_DMA
+        help
+          Platform bus attachment for the Xilinx LocalLink DMA engine.
+
 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 	bool
 
@@ -138,13 +160,13 @@ comment "DMA Clients"
 config NET_DMA
 	bool "Network: TCP receive copy offload"
 	depends on DMA_ENGINE && NET
-	default (INTEL_IOATDMA || FSL_DMA)
+	default (INTEL_IOATDMA || FSL_DMA || XLL_DMA)
 	help
 	  This enables the use of DMA engines in the network stack to
 	  offload receive copy-to-user operations, freeing CPU cycles.
 
-	  Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
-	  say N.
+	  Say Y here if you enabled INTEL_IOATDMA, FSL_DMA, or XLL_DMA,
+	  otherwise say N.
 
 config ASYNC_TX_DMA
 	bool "Async_tx: Offload support for the async_tx api"
diff -uprN a/drivers/dma/Makefile b/drivers/dma/Makefile
--- a/drivers/dma/Makefile	2010-03-16 13:27:37.000000000 -0500
+++ b/drivers/dma/Makefile	2010-03-16 15:10:54.000000000 -0500
@@ -11,4 +11,7 @@ obj-$(CONFIG_MX3_IPU) += ipu/
 obj-$(CONFIG_TXX9_DMAC) += txx9dmac.o
 obj-$(CONFIG_SH_DMAE) += shdma.o
 obj-$(CONFIG_COH901318) += coh901318.o coh901318_lli.o
+obj-$(CONFIG_XLL_DMA) += xlldma.o
+obj-$(CONFIG_XLL_DMA_OF) += xlldma_of.o
+obj-$(CONFIG_XLL_DMA_PLAT) += xlldma_plat.o
 obj-$(CONFIG_AMCC_PPC440SPE_ADMA) += ppc4xx/


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