add support for ox820 devices

boot/arm/medion_stg212/README.txt

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+Hi, welcome to Sabayon for the BeagleBoard xM.
+
+First of all, you may want to install the image into a new SDHC card.
+Make sure to have enough space for it, for example, if you downloaded
+the 4GB version, make sure you're using a 4GB SDHC stick.
+
+Other requirements:
+-------------------
+
+  - a Linux distro to copy the image to the SDHC
+  - a SDHC reader
+  - a root shell on the Linux distro
+
+
+How to burn the image:
+----------------------
+
+Insert the SDHC memory into your reader (make sure that the LOCK
+switch is turned off). After a few seconds, type:
+
+  # dmesg | tail -n 10
+
+In the last kernel message lines you will be able to read the
+actual device name, might be something like "sdc" or in general
+"sdX" where X is just a letter.
+Make sure to see the same device name inside /dev directory.
+
+Once you got the name, just dump the image into that, in this
+example, we assume that the device is /dev/sdc and the image
+name is "Sabayon_Linux_8_armv7a_BeagleBoard_xM_4GB.img".
+Do this as root!
+
+  # xzcat Sabayon_Linux_8_armv7a_BeagleBoard_xM_4GB.img > /dev/sdd
+
+Once it is done, check for any error using:
+
+  # dmesg | tail -n 10
+
+And if it's all good, type:
+
+  # sync; sync; sync
+
+To make sure everything has been flushed to the device.
+
+At this point, extract your SDHC and place it into the BeagleBoard xM.
+You're set!
+
+
+How to change keyboard mapping:
+-------------------------------
+
+Our images come with "keyboard-setup", a shell too that lets you easily
+do this, just type:
+
+  # keyboard-setup "<your keyboard layout code>" all
+
+Then reboot!
+
+
+How to change language:
+-----------------------
+
+Open /etc/locale.gen and add your locale (you can find a full list
+at: /usr/share/i18n/SUPPORTED).
+Make sure to add UTF-8 locales, this is what we support.
+Once you've added your line, just type:
+
+  # language-setup "<your locale, without the .UTF-8 part>" system
+
+Then reboot!
+
+
+You want to know more?
+----------------------
+Just go to http://www.sabayon.org and to http://wiki.sabayon.org
+and search for "BeagleBoard".
+We're full of guides.
+
+
+Contact
+-------
+Just mail us at website@sabayon.org if you need any help or register
+to our mailing list at http://lists.sabayon.org/cgi-bin/mailman/listinfo/devel

boot/arm/usb_key_func

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+# usb key funct taken from Medion live and adapted for buffalo
+# modified by Mario Fetka (geos_one) <mario.fetka@gmail.com>
+
+Exe_USB_KEY()
+{
+	# Check model name
+	export MODEL_NAME="@@NASKERNELNAME@@"
+
+	# Scan USB disk for HW test.
+	any_usb=`ls /sys/block/ | grep sd`
+	echo "${any_usb}"
+	if [ -n "${any_usb}" ]; then
+		#/bin/mkdir /mnt/parnerkey
+		for usb in ${any_usb}
+		do
+			echo "checking ${usb}"
+			#Get the number of question marks
+			qmark_num=`fdisk -l /dev/${usb} | grep "^"/dev/${usb} | grep -c "?"`
+			partition_num=`fdisk -l /dev/${usb} | grep "^"/dev/${usb}`
+			if [ "${qmark_num}" == "4" ] || [ "${partition_num}" == "" ]; then
+				mnt_point=/dev/${usb}
+				echo "Trying to mount ${mnt_point}"
+				mount -o iocharset=utf8,shortname=mixed,ro ${mnt_point} /mnt/parnerkey
+			else
+				mnt_point=`fdisk -l /dev/${usb} | grep "^"/dev/${usb} | awk '{print $1}' | sed -n '1p'`
+				echo "Trying to mount ${mnt_point}"
+				mount -o iocharset=utf8,shortname=mixed,ro ${mnt_point} /mnt/parnerkey
+			fi
+
+			mount_SUC=`cat /proc/mounts | grep /mnt/parnerkey`
+			if [ "${mount_SUC}" != "" ]; then
+				if [ -e /mnt/parnerkey/${MODEL_NAME}_check_file ]; then
+					#/mnt/parnerkey/usb_key_func.sh
+					script_path=`cat /mnt/parnerkey/${MODEL_NAME}_check_file | sed -n '1p'`
+					${script_path}
+					if [ $? == 0 ]; then
+						exit 0
+					fi
+				fi
+				umount /mnt/parnerkey
+			else
+				echo "Fail to mount ${mnt_point}"
+			fi
+		done
+		#rmdir /mnt/parnerkey
+	fi
+}