[NET]: Add support for the RDC R6040 Fast Ethernet controller

This patch adds support for the RDC R6040 MAC we can find in the RDC
R-321x System-on-chips.
Signed-off-by: NSten Wang <sten.wang@rdc.com.tw>
Signed-off-by: NDaniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
Signed-off-by: NFlorian Fainelli <florian.fainelli@telecomint.eu>

drivers/net/Kconfig

@@ -1584,6 +1584,18 @@ config 8139_OLD_RX_RESET
 	  experience problems, you can enable this option to restore the
 	  old RX-reset behavior.  If unsure, say N.
 
+config R6040
+	tristate "RDC R6040 Fast Ethernet Adapter support (EXPERIMENTAL)"
+	depends on NET_PCI && PCI
+	select CRC32
+	select MII
+	help
+	  This is a driver for the R6040 Fast Ethernet MACs found in the
+	  the RDC R-321x System-on-chips.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called r6040. This is recommended.
+
 config SIS900
 	tristate "SiS 900/7016 PCI Fast Ethernet Adapter support"
 	depends on NET_PCI && PCI

drivers/net/Makefile

@@ -55,6 +55,7 @@ obj-$(CONFIG_TLAN) += tlan.o
 obj-$(CONFIG_EPIC100) += epic100.o
 obj-$(CONFIG_SIS190) += sis190.o
 obj-$(CONFIG_SIS900) += sis900.o
+obj-$(CONFIG_R6040) += r6040.o
 obj-$(CONFIG_YELLOWFIN) += yellowfin.o
 obj-$(CONFIG_ACENIC) += acenic.o
 obj-$(CONFIG_ISERIES_VETH) += iseries_veth.o