diff --git a/sys/mips/conf/DB120.hints b/sys/mips/conf/DB120.hints
index d395f153a64..2c16101577b 100644
--- a/sys/mips/conf/DB120.hints
+++ b/sys/mips/conf/DB120.hints
@@ -1,3 +1,104 @@
 # $FreeBSD$
 
 # This is a placeholder until the hardware support is complete.
+
+# mdiobus0 on arge0
+hint.argemdio.0.at="nexus0"
+hint.argemdio.0.maddr=0x19000000
+hint.argemdio.0.msize=0x1000
+hint.argemdio.0.order=0
+
+# DB120 GMAC configuration
+# + AR934X_ETH_CFG_RGMII_GMAC0              (1 << 0)
+# + AR934X_ETH_CFG_SW_ONLY_MODE             (1 << 6)
+hint.ar934x_gmac.0.gmac_cfg=0x41
+
+# GMAC0 here - connected to an AR8327
+#hint.arswitch.0.at="mdio0"
+#hint.arswitch.0.is_7240=0
+#hint.arswitch.0.is_9340=0	# not the internal switch!
+#hint.arswitch.0.numphys=5
+#hint.arswitch.0.phy4cpu=0
+#hint.arswitch.0.is_rgmii=1
+#hint.arswitch.0.is_gmii=0
+
+# XXX OpenWRT DB120 BSP doesn't have media/duplex set?
+hint.arge.0.phymask=0x0
+hint.arge.0.media=1000
+hint.arge.0.fduplex=1
+hint.arge.0.miimode=3           # RGMII
+hint.arge.0.pll_1000=0x06000000
+
+# mdiobus1 on arge1
+hint.argemdio.1.at="nexus0"
+hint.argemdio.1.maddr=0x1a000000
+hint.argemdio.1.msize=0x1000
+hint.argemdio.1.order=0
+
+# Embedded switch on the AR9344
+hint.arswitch.1.at="mdio1"
+hint.arswitch.1.is_7240=0
+hint.arswitch.1.is_9340=1
+hint.arswitch.1.numphys=4
+hint.arswitch.1.phy4cpu=0       # phy 4 is not a "CPU port" PHY here
+hint.arswitch.1.is_rgmii=0
+hint.arswitch.1.is_gmii=1       # arge1 <-> switch PHY is GMII
+
+# arge1 - lock up to 1000/full
+hint.arge.1.phymask=0x0		# Nothing attached here (XXX?)
+hint.arge.1.media=1000
+hint.arge.1.fduplex=1
+hint.arge.1.miimode=1		# GMII
+
+# flash layout:
+#
+# bootargs=console=ttyS0,115200 root=31:02 rootfstype=jffs2 init=/sbin/init mtdparts=ath-nor0:256k(u-boot),64k(u-boot-env),6336k(rootfs),1408k(uImage),64k(mib0),64k(ART)
+
+# 256KiB u-boot
+hint.map.0.at="flash/spi0"
+hint.map.0.start=0x00000000
+hint.map.0.end=0x00040000	# 256k u-boot
+hint.map.0.name="u-boot"
+hint.map.0.readonly=1
+
+# 64KiB u-boot-env
+hint.map.1.at="flash/spi0"
+hint.map.1.start=0x00040000
+hint.map.1.end=0x00050000	# 64k u-boot-env
+hint.map.1.name="u-boot-env"
+hint.map.1.readonly=1
+
+# 6336KiB rootfs
+hint.map.2.at="flash/spi0"
+hint.map.2.start=0x00050000
+hint.map.2.end=0x00680000	# 6336k rootfs
+hint.map.2.name="rootfs"
+hint.map.2.readonly=1
+
+# 1344KiB uImage
+hint.map.3.at="flash/spi0"
+hint.map.3.start=0x00680000
+hint.map.3.end=0x007d0000	# 1408k uImage, 64k off the end..
+hint.map.3.name="uImage"
+hint.map.3.readonly=1
+
+# 64KiB cfg
+hint.map.4.at="flash/spi0"
+hint.map.4.start=0x007d0000
+hint.map.4.end=0x007e0000
+hint.map.4.name="cfg"
+hint.map.4.readonly=0
+
+# 64KiB mib0
+hint.map.5.at="flash/spi0"
+hint.map.5.start=0x007e0000
+hint.map.5.end=0x007f0000	# 64k mib0
+hint.map.5.name="mib0"
+hint.map.5.readonly=1
+
+# 64KiB ART
+hint.map.6.at="flash/spi0"
+hint.map.6.start=0x007f0000
+hint.map.6.end=0x00800000	# 64k ART
+hint.map.6.name="ART"
+hint.map.6.readonly=1