--- linux-2.6.17/arch/arm/mach-iop3xx/Kconfig	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17.tmp/arch/arm/mach-iop3xx/Kconfig	2006-07-09 20:00:29.000000000 +0200
@@ -59,5 +59,37 @@
 		  Say Y here if you have StepD of the IOP80331 or IOP8033
 		  based platforms.
 
+config IOP3XX_DMA
+	bool "Support DMA on IOP3XX"
+	depends on (ARCH_IOP321 || ARCH_IOP331) && EXPERIMENTAL
+	help
+	  Say Y here if you want to use the IOP's DMA Units. IQ80310 is not
+	  supported currently with the unified driver. The DMA units on the
+	  IOP331 can do iSCSI CRC32c calculations.
+ 
+config IOP3XX_DMACOPY
+	bool "Support DMA kernel memcpy on IOP3XX"
+	depends on (IOP3XX_DMA) && EXPERIMENTAL
+	help 
+	  Say Y here if you want to use the DMA engine to perform memcpy()
+	  in the kernel for >~1k buffers. Has significant performance 
+	  enhancement on IOP321 and IOP331 for certain operations. 
+
+config IOP3XX_DMA_COPYTOUSER
+	bool "Support DMA copy_to_user() on IOP3XX"
+	depends on (IOP3XX_DMA) && EXPERIMENTAL
+	help
+	  Say Y here if you want to use the DMA engine to perform
+	  copy_to_user() functionality for >~1k buffers. Has significant
+	  performance enhancement on IOP321. Not recommended for IOP331.
+
+config IOP3XX_DMA_COPYFROMUSER
+	bool "Support DMA copy_from_user() on IOP3XX"
+	depends on (IOP3XX_DMA) && EXPERIMENTAL
+	help
+	  Say Y here if you want to use the DMA engine to perform
+	  copy_from_user() functionality for >~1k buffers. Has significant
+	  performance enhancement on IOP321. Not recommended for IOP331.
+
 endmenu
 endif