diff --git a/site.mk b/site.mk
index b810679..59fca3f 100644
--- a/site.mk
+++ b/site.mk
@@ -33,3 +33,48 @@ DEFAULT_GLUON_PRIORITY := 0
 # Allow overriding the release number and languages from the command line
 GLUON_PRIORITY ?= $(DEFAULT_GLUON_PRIORITY)
 GLUON_LANGS ?= en de
+
+# packages needed for FAT32 via USB
+USB_PACKAGES := \
+	kmod-usb-core \
+	kmod-usb2
+	block-mount \
+	kmod-fs-ext4 \
+	kmod-fs-vfat \
+	kmod-usb-storage  \
+	kmod-usb-storage-extras  \
+	blkid  \
+	swap-utils  \
+	kmod-nls-cp1250  \
+	kmod-nls-cp1251  \
+	kmod-nls-cp437  \
+	kmod-nls-cp775  \
+	kmod-nls-cp850  \
+	kmod-nls-cp852  \
+	kmod-nls-cp866  \
+	kmod-nls-iso8859-1  \
+	kmod-nls-iso8859-13  \
+	kmod-nls-iso8859-15  \
+	kmod-nls-iso8859-2  \
+	kmod-nls-koi8r  \
+	kmod-nls-utf8
+
+# include USB packages on supporting devices
+ifeq ($(GLUON_TARGET),ar71xx-generic)
+	GLUON_TLWR1043_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_TLWR842_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_TLWDR4300_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_TLWR2543_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_WRT160NL_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_DIR825B1_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_DIR505A1_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_GLINET_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_WNDR3700_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_WZRHPG450H_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_WZRHPAG300H_SITE_PACKAGES := $(USB_PACKAGES)
+	GLUON_ARCHERC7_SITE_PACKAGES := $(USB_PACKAGES)
+endif
+
+ifeq ($(GLUON_TARGET),mpc85xx-generic)
+	GLUON_TLWDR4900_SITE_PACKAGES := $(USB_PACKAGES)
+endif