arch/arm/boards/optimus/env_spacecast/bin/boot_recovery

#!/bin/sh

if [ -f /env/bin/pre-boot ]; then
	. /env/bin/pre-boot || exit
fi

. /default/config

mtdparts="${nor_device}:${nor_parts}"
bootargs="${bootargs} mtdparts=${mtdparts}"
bootargs="${bootargs} mac_addr=${eth0.ethaddr},${eth1.ethaddr},${eth2.ethaddr}"

printenv

gpio_reg=0x90470000
led_blue=0x0800D000
led_red=0x0800E000
led_purple=0x0800F000
led_off=0x0800C000

mw ${gpio_reg} ${led_purple}
dhcp

while true; do
	mw ${gpio_reg} ${led_blue}
	tftp gfsc100/recovery.img
	if [ "$?" = "0" ]; then
		mw ${gpio_reg} ${led_red}
		bootm recovery.img

		# The image is invalid, blink red until power is unplugged
		while true; do
			for st in ${led_off} ${led_red}; do
				mw ${gpio_reg} ${st}
				msleep 250
			done
		done
	else
		# TFTP failed, blink blue for 2s
		for i in 0 1 2 3; do
			for st in ${led_off} ${led_blue}; do
				mw ${gpio_reg} ${st}
				msleep 250
			done
		done

                # Switch the LED off for 2s, then try again
		mw ${gpio_reg} ${led_off}
		msleep 2000
	fi
done