Ethernet driver for the WIZnet W5100 chip

Based on original driver from chip manufacturer, but nearly full rewite.
Tested and used in production with Blackfin BF531 embedded processor.
Signed-off-by: Mike Sinkovsky <msink@permonline.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/wiznet/Kconfig

@@ -17,6 +17,18 @@ config NET_VENDOR_WIZNET
 
 if NET_VENDOR_WIZNET
 
+config WIZNET_W5100
+	tristate "WIZnet W5100 Ethernet support"
+	---help---
+	  Support for WIZnet W5100 chips.
+
+	  W5100 is a single chip with integrated 10/100 Ethernet MAC,
+	  PHY and hardware TCP/IP stack, but this driver is limited to
+	  the MAC and PHY functions only, onchip TCP/IP is unused.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called w5100.
+
 config WIZNET_W5300
 	tristate "WIZnet W5300 Ethernet support"
 	---help---

drivers/net/ethernet/wiznet/Makefile

+obj-$(CONFIG_WIZNET_W5100) += w5100.o
 obj-$(CONFIG_WIZNET_W5300) += w5300.o