diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7f6ab4a..9cfeede 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -523,6 +523,9 @@ config TARGET_BCMCYGNUS
 	imply CMD_HASH
 	imply FAT_WRITE
 	imply HASH_VERIFY
+	imply NETDEVICES
+	imply BCM_SF2_ETH
+	imply BCM_SF2_ETH_GMAC
 
 config TARGET_BCMNSP
 	bool "Support bcmnsp"
diff --git a/arch/arm/include/asm/arch-bcmcygnus/configs.h b/arch/arm/include/asm/arch-bcmcygnus/configs.h
index af7f3bf..92b1c5e 100644
--- a/arch/arm/include/asm/arch-bcmcygnus/configs.h
+++ b/arch/arm/include/asm/arch-bcmcygnus/configs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Broadcom Corporation.
+ * Copyright 2014-2017 Broadcom.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -23,10 +23,6 @@
 #define CONFIG_SYS_NS16550_COM3		0x18023000
 
 /* Ethernet */
-#define CONFIG_BCM_SF2_ETH
-#define CONFIG_BCM_SF2_ETH_GMAC
-
-#define CONFIG_PHYLIB
 #define CONFIG_PHY_BROADCOM
 #define CONFIG_PHY_RESET_DELAY 10000 /* PHY reset delay in us*/
 
diff --git a/configs/bcm28155_w1d_defconfig b/configs/bcm28155_w1d_defconfig
index 374d58b..2dc7d19 100644
--- a/configs/bcm28155_w1d_defconfig
+++ b/configs/bcm28155_w1d_defconfig
@@ -1,7 +1,6 @@
 CONFIG_ARM=y
 CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK=y
 CONFIG_TARGET_BCM28155_AP=y
-CONFIG_SYS_EXTRA_OPTIONS="BCM_SF2_ETH,BCM_SF2_ETH_GMAC"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_CPUINFO is not set
@@ -16,7 +15,6 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
-# CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
@@ -34,3 +32,6 @@ CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_G_DNL_MANUFACTURER="Broadcom Corporation"
 CONFIG_G_DNL_VENDOR_NUM=0x18d1
 CONFIG_G_DNL_PRODUCT_NUM=0x0d02
+CONFIG_NETDEVICES=y
+CONFIG_BCM_SF2_ETH=y
+CONFIG_BCM_SF2_ETH_GMAC=y
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 736aab2..5ceea44 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -47,6 +47,30 @@ config ALTERA_TSE
 	  Please find details on the "Triple-Speed Ethernet MegaCore Function
 	  Resource Center" of Altera.
 
+config BCM_SF2_ETH
+	bool "Broadcom SF2 (Starfighter2) Ethernet support"
+	select PHYLIB
+	help
+	  This is an abstract framework which provides a generic interface
+	  to MAC and DMA management for multiple Broadcom SoCs such as
+	  Cygnus, NSP and bcm28155_ap platforms.
+
+config BCM_SF2_ETH_DEFAULT_PORT
+	int "Broadcom SF2 (Starfighter2) Ethernet default port number"
+	depends on BCM_SF2_ETH
+	default 0
+	help
+	  Default port number for the Starfighter2 ethernet driver.
+
+config BCM_SF2_ETH_GMAC
+	bool "Broadcom SF2 (Starfighter2) GMAC Ethernet support"
+	depends on BCM_SF2_ETH
+	help
+	  This flag enables the ethernet support for Broadcom platforms with
+	  GMAC such as Cygnus. This driver is based on the framework provided
+	  by the BCM_SF2_ETH driver.
+	  Say Y to any bcmcygnus based platforms.
+
 config DWC_ETH_QOS
 	bool "Synopsys DWC Ethernet QOS device support"
 	depends on DM_ETH
diff --git a/drivers/net/bcm-sf2-eth.h b/drivers/net/bcm-sf2-eth.h
index c4e2e01..efeff15 100644
--- a/drivers/net/bcm-sf2-eth.h
+++ b/drivers/net/bcm-sf2-eth.h
@@ -20,8 +20,6 @@
 /* Support 2 Ethernet ports now */
 #define BCM_ETH_MAX_PORT_NUM	2
 
-#define CONFIG_BCM_SF2_ETH_DEFAULT_PORT	0
-
 enum {
 	MAC_DMA_TX = 1,
 	MAC_DMA_RX = 2
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 3b5c17a..2d77ff8 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -157,9 +157,6 @@ CONFIG_BCH_CONST_PARAMS
 CONFIG_BCH_CONST_T
 CONFIG_BCM2835_GPIO
 CONFIG_BCM283X_MU_SERIAL
-CONFIG_BCM_SF2_ETH
-CONFIG_BCM_SF2_ETH_DEFAULT_PORT
-CONFIG_BCM_SF2_ETH_GMAC
 CONFIG_BIOSEMU
 CONFIG_BITBANGMII_MULTI
 CONFIG_BL1_OFFSET