diff --git a/configs/bcm23550_w1d_defconfig b/configs/bcm23550_w1d_defconfig
index 0ef4a37..ca4feaf 100644
--- a/configs/bcm23550_w1d_defconfig
+++ b/configs/bcm23550_w1d_defconfig
@@ -2,6 +2,13 @@
 CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK=y
 CONFIG_TARGET_BCM23550_W1D=y
 CONFIG_HUSH_PARSER=y
+CONFIG_FASTBOOT=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_CMD_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x80000000
+CONFIG_FASTBOOT_BUF_SIZE=0x1d000000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_ASKENV=y
@@ -17,6 +24,7 @@
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_BCM_UDC_OTG_PHY=y
 CONFIG_USB_GADGET_DWC2_OTG=y
 CONFIG_USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8=y
 CONFIG_USB_GADGET_DOWNLOAD=y
diff --git a/configs/bcm28155_ap_defconfig b/configs/bcm28155_ap_defconfig
index 70eb44a..eb8aa35 100644
--- a/configs/bcm28155_ap_defconfig
+++ b/configs/bcm28155_ap_defconfig
@@ -3,6 +3,13 @@
 CONFIG_TARGET_BCM28155_AP=y
 CONFIG_HUSH_PARSER=y
 # CONFIG_AUTOBOOT is not set
+CONFIG_FASTBOOT=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_CMD_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x80000000
+CONFIG_FASTBOOT_BUF_SIZE=0x7ff00000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_ASKENV=y
@@ -18,6 +25,7 @@
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_BCM_UDC_OTG_PHY=y
 CONFIG_USB_GADGET_DWC2_OTG=y
 CONFIG_USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8=y
 CONFIG_USB_GADGET_DOWNLOAD=y