[ARM PATCH] 1993/3: S3C2410 DMA Support

Patch from Ben Dooks

Support for DMA controller on the Samsung S3C2410,
and fixes to the header files for DMA register definitions


Fixes the menuconfig problem from the original patch

arch/arm/configs/s3c2410_defconfig

@@ -77,6 +77,12 @@ CONFIG_ARCH_H1940=y
 CONFIG_ARCH_SMDK2410=y
 CONFIG_MACH_VR1000=y
 
+#
+# S3C2410 Setup
+#
+CONFIG_S3C2410_DMA=y
+# CONFIG_S3C2410_DMA_DEBUG is not set
+
 #
 # Processor Type
 #
@@ -601,6 +607,8 @@ CONFIG_ROMFS_FS=y
 CONFIG_FAT_FS=y
 CONFIG_MSDOS_FS=y
 CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # CONFIG_NTFS_FS is not set
 
 #

arch/arm/mach-s3c2410/Kconfig

@@ -32,4 +32,26 @@ config MACH_VR1000
 
 endmenu
 
+comment "S3C2410 Setup"
+
+config S3C2410_DMA
+	bool "S3C2410 DMA support"
+	depends on ARCH_S3C2410
+	help
+	  S3C2410 DMA support. This is needed for drivers like sound which
+	  use the S3C2410's DMA system to move data to and from the
+	  peripheral blocks.
+
+config S3C2410_DMA_DEBUG
+	bool "S3C2410 DMA support debug"
+	depends on ARCH_S3C2410 && S3C2410_DMA
+	help
+	  Enable debugging output for the DMA code. This option sends info
+	  to the kernel log, at priority KERN_DEBUG.
+
+	  Note, it is easy to create and fill the log buffer in a small
+	  amount of time, as well as using an significant percantage of
+	  the CPU time doing so.
+
+
 endif

arch/arm/mach-s3c2410/Makefile

@@ -9,6 +9,8 @@ obj-m			:=
 obj-n			:=
 obj-			:=
 
+obj-$(CONFIG_S3C2410_DMA)  += dma.o
+
 obj-$(CONFIG_ARCH_BAST)    += mach-bast.o
 obj-$(CONFIG_MACH_H1940)   += mach-h1940.o
 obj-$(CONFIG_ARCH_H1940)   += mach-h1940.o