net: e1000: Add Kconfig options

Add Kconfig options in preparation for moving boards to use Kconfig.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/README b/README
index 95f2d9d..a52ff46 100644
--- a/README
+++ b/README
@@ -1382,9 +1382,6 @@
 		Management command for E1000 devices.  When used on devices
 		with SPI support you can reprogram the EEPROM from U-Boot.
 
-		CONFIG_E1000_FALLBACK_MAC
-		default MAC for empty EEPROM after production.
-
 		CONFIG_EEPRO100
 		Support for Intel 82557/82559/82559ER chips.
 		Optional CONFIG_EEPRO100_SROM_WRITE enables EEPROM
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index ce76a02..7367d9e 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -20,6 +20,38 @@
 
 if NETDEVICES
 
+config E1000
+	bool "Intel PRO/1000 Gigabit Ethernet support"
+	help
+	  This driver supports Intel(R) PRO/1000 gigabit ethernet family of
+	  adapters.  For more information on how to identify your adapter, go
+	  to the Adapter & Driver ID Guide at:
+
+	  <http://support.intel.com/support/network/adapter/pro100/21397.htm>
+
+config E1000_SPI_GENERIC
+	bool "Allow access to the Intel 8257x SPI bus"
+	depends on E1000
+	help
+	  Allow generic access to the SPI bus on the Intel 8257x, for
+	  example with the "sspi" command.
+
+config E1000_SPI
+	bool "Enable SPI bus utility code"
+	depends on E1000
+	help
+	  Utility code for direct access to the SPI bus on Intel 8257x.
+	  This does not do anything useful unless you set at least one
+	  of CONFIG_CMD_E1000 or CONFIG_E1000_SPI_GENERIC.
+
+config CMD_E1000
+	bool "Enable the e1000 command"
+	depends on E1000
+	help
+	  This enables the 'e1000' management command for E1000 devices. When
+	  used on devices with SPI support you can reprogram the EEPROM from
+	  U-Boot.
+
 config ETH_SANDBOX
 	depends on DM_ETH && SANDBOX
 	default y
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 412ed14..6f74d30 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -1221,13 +1221,6 @@
 	if (e1000_is_second_port(hw))
 		enetaddr[5] ^= 1;
 
-#ifdef CONFIG_E1000_FALLBACK_MAC
-	if (!is_valid_ethaddr(nic->enetaddr)) {
-		unsigned char fb_mac[NODE_ADDRESS_SIZE] = CONFIG_E1000_FALLBACK_MAC;
-
-		memcpy(enetaddr, fb_mac, NODE_ADDRESS_SIZE);
-	}
-#endif
 	return 0;
 }
 #endif