add default environment for ip337 board

board/ipe337/defenv/boot

@@ -0,0 +1,26 @@
+
+exec /env/config
+
+if [ "$root" = flash ]; then
+	bootargs="$bootargs root=/dev/mtdblock3"
+else
+	bootargs="$bootargs root=/dev/nfs nfsroot=$eth0.serverip:$nfsroot,v3,tcp"
+fi
+
+if [ "$ip" = dhcp ]; then
+	bootargs="$bootargs ip=dhcp"
+else
+	bootargs="$bootargs ip=$eth0.ip:$eth0.serverip:$eth0.gateway:$eth0.netmask:::"
+fi
+
+bootargs="$bootargs mtdparts=physmap_flash.0:$mtdparts"
+
+if [ "$kernel" = net ]; then
+	if [ $ip = dhcp ]; then
+		dhcp
+	fi
+	tftpboot uImage $uimage
+	bootm uImage
+else
+	bootm /dev/mtdblock2
+fi

board/ipe337/defenv/config

@@ -0,0 +1,17 @@
+
+eth0.serverip=192.168.23.2
+eth0.mac=80:87:78:74:73:63
+
+mtdparts="128k(uboot)ro,128k(ubootenv),1536k(kernel),-(jffs2)"
+
+ip=dhcp
+
+nfsroot="/home/sha/octopus/blackfin/root"
+uimage=uImage-bfin
+jffs2=root-bfin.jffs2
+
+bootargs="console=ttyBF0,115200"
+
+# can be either 'net' or 'flash'
+kernel=net
+root=net

board/ipe337/defenv/init

@@ -0,0 +1,9 @@
+
+echo -n "Hit any key to stop autoboot: "
+timeout -a 3
+if [ $? != 0 ]; then
+        exit
+fi
+
+exec /env/boot
+