#!/bin/bash
# 
# fel-hooks.sh.example -- this file is an example how 
# userpatches/fel-hooks.sh could be implemented. Basics first:
# https://github.com/igorpecovnik/lib/blob/master/documentation/fel-boot.md
#
# The following example assumes you use a Gembird power switch connected
# through USB to be able to power cycle the board you want to fel boot. You
# need the sispmctl package and use 'sispmctl -s' to get the ID of your 
# power switch. And the fel_post_prepare function tries to adjust the
# boot environment for H3 boards on the fly.

fel_pre_load() {
	# power cycle socket 1 of Gembird power switch
	sispmctl -D01:01:51:23:cb -q -f1
	# 5 seconds delay since PSUs don't like be being power cycled too fast
	sleep 5
	sispmctl -D01:01:51:23:cb -q -o1
	# 3 seconds delay since the SoC has to initialise
	sleep 3
} # fel_pre_load

fel_post_prepare() {
	# This adds/adjusts necessary boot environment for H3 boards
	if [ "$LINUXFAMILY" == "sun8i" ]; then
		sed -i -e 's/\ disp.screen0_output_mode=1920x1080p60//' -e 's/\ hdmi.audio=EDID:0//' \
		-e '1s/^/gpio set PL10\ngpio set PG11\nsetenv machid 1029\nsetenv bootm_boot_mode sec\n/' \
		$FEL_ROOTFS/boot/boot.cmd
		mkimage -C none -A arm -T script -d $FEL_ROOTFS/boot/boot.cmd $FEL_ROOTFS/boot/boot.scr > /dev/null
	fi
} # fel_post_prepare