ramips: add hotplug script to extract eeprom for the rt2x00 driver

SVN-Revision: 27393

target/linux/ramips/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom

@@ -0,0 +1,55 @@
+#!/bin/sh
+
+rt2x00_eeprom_die() {
+	echo "rt2x00 eeprom: " "$*"
+	exit 1
+}
+
+rt2x00_eeprom_extract() {
+	local part=$1
+	local offset=$2
+	local count=$3
+	local mtd
+
+	. /etc/functions.sh
+
+	mtd=$(find_mtd_part $part)
+	[ -n "$mtd" ] || \
+		rt2x00_eeprom_die "no mtd device found for partition $part"
+
+	dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count || \
+		rt2x00_eeprom_die "failed to extract from $mtd"
+}
+
+[ -e /lib/firmware/$FIRMWARE ] && exit 0
+
+case "$FIRMWARE" in
+"RT288X.eeprom" | \
+"RT305X.eeprom")
+	. /lib/ramips.sh
+
+	local board=$(ramips_board_name)
+
+	case $board in
+	dir-300-b1)
+		rt2x00_eeprom_extract "devdata" 16384 272
+		;;
+
+	f5d8235v2 | \
+	fonera20n | \
+	hw550-3g | \
+	mofi3500-3gn | \
+	pwh2004 | \
+	rt-n15 | \
+	v22rw-2x2 | \
+	wcr150gn | \
+	whr-g300n)
+		rt2x00_eeprom_extract "factory" 0 272
+		;;
+
+	*)
+		rt2x00_eeprom_die "board $board is not supported yet"
+		;;
+	esac
+	;;
+esac