# DO NOT EDIT THIS FILE
#
# Please edit /boot/armbianEnv.txt to set supported parameters
#

# default values
setenv load_addr "0x45000000"
setenv overlay_error "false"
setenv rootdev "/dev/mmcblk0p1"
setenv verbosity "1"
setenv rootfstype "ext4"
setenv console "both"
setenv docker_optimizations "on"
setenv bootlogo "false"

setenv vendor "allwinner"

# Remember the default fdtfile provided by u-boot and delete the vendor name
if setexpr subfdt sub ${vendor}/ "" ${fdtfile};then
	setenv deffdt_file ${subfdt}
fi

# Remember the default u-boot fdtdir
setenv deffdt_dir "${prefix}dtb"
if test "$fdtdir" = ""; then setenv fdtdir "${deffdt_dir}/${vendor}";fi

# Print boot source
itest.b *0x10028 == 0x00 && echo "U-boot loaded from SD"
itest.b *0x10028 == 0x02 && echo "U-boot loaded from eMMC or secondary SD"
itest.b *0x10028 == 0x03 && echo "U-boot loaded from SPI"

echo "Boot script loaded from ${devtype}"

if test -e ${devtype} ${devnum} ${prefix}armbianEnv.txt; then
	load ${devtype} ${devnum} ${load_addr} ${prefix}armbianEnv.txt
	env import -t ${load_addr} ${filesize}
fi

# Delete the vendor's name from the fdtfile variable and record the result
# after the file with the environment variables has been read
if setexpr subfdt sub ${vendor}/ "" ${fdtfile};then
	setenv fdtfile ${subfdt}
fi

# In this shell, we can only check the existence of the file.
# Make a check of reasonable ways to find the dtb file.
# Set the true value of the paths.
if test -e ${devtype} ${devnum} "${fdtdir}/${fdtfile}"; then
	echo "Load fdt: ${fdtdir}/${fdtfile}"
else
	echo "The file ${fdtfile} was not found in the path ${fdtdir}"
	if test -e ${devtype} ${devnum} "${deffdt_dir}/${fdtfile}"; then
		setenv fdtdir "${deffdt_dir}"
		echo "Load fdt: ${fdtdir}/${fdtfile}"
	else
		if test -e ${devtype} ${devnum} "${deffdt_dir}/${vendor}/${deffdt_file}"; then
			setenv fdtdir "${deffdt_dir}/${vendor}"
			setenv fdtfile "${deffdt_file}"
			echo "Load fdt: ${fdtdir}/${fdtfile}"
		else
			if test -e ${devtype} ${devnum} "${deffdt_dir}/${deffdt_file}"; then
				setenv fdtdir "${deffdt_dir}"
				setenv fdtfile "${deffdt_file}"
				echo "Load fdt: ${fdtdir}/${fdtfile}"
			fi
		fi
	fi
fi

if test "${console}" = "display" || test "${console}" = "both"; then setenv consoleargs "console=ttyS0,115200 console=tty1"; fi
if test "${console}" = "serial"; then setenv consoleargs "console=ttyS0,115200"; fi
if test "${bootlogo}" = "true"; then
	setenv consoleargs "splash plymouth.ignore-serial-consoles ${consoleargs}"
else
	setenv consoleargs "splash=verbose ${consoleargs}"
fi

# get PARTUUID of first partition on SD/eMMC it was loaded from
# mmc 0 is always mapped to device u-boot (2016.09+) was loaded from
if test "${devtype}" = "mmc"; then part uuid mmc 0:1 partuuid; fi

setenv bootargs "root=${rootdev} rootwait rootfstype=${rootfstype} ${consoleargs} consoleblank=0 loglevel=${verbosity} ubootpart=${partuuid} usb-storage.quirks=${usbstoragequirks} ${extraargs} ${extraboardargs}"

if test "${docker_optimizations}" = "on"; then setenv bootargs "${bootargs} cgroup_enable=memory"; fi

load ${devtype} ${devnum} ${fdt_addr_r} ${fdtdir}/${fdtfile}
fdt addr ${fdt_addr_r}
fdt resize 65536
for overlay_file in ${overlays}; do
	if load ${devtype} ${devnum} ${load_addr} ${fdtdir}/overlay/${overlay_prefix}-${overlay_file}.dtbo; then
		echo "Applying kernel provided DT overlay ${overlay_prefix}-${overlay_file}.dtbo"
		fdt apply ${load_addr} || setenv overlay_error "true"
	fi
done
for overlay_file in ${user_overlays}; do
	if load ${devtype} ${devnum} ${load_addr} ${prefix}overlay-user/${overlay_file}.dtbo; then
		echo "Applying user provided DT overlay ${overlay_file}.dtbo"
		fdt apply ${load_addr} || setenv overlay_error "true"
	fi
done
if test "${overlay_error}" = "true"; then
	echo "Error applying DT overlays, restoring original DT"
	load ${devtype} ${devnum} ${fdt_addr_r} ${fdtdir}/${fdtfile}
else
	if load ${devtype} ${devnum} ${load_addr} ${fdtdir}/overlay/${overlay_prefix}-fixup.scr; then
		echo "Applying kernel provided DT fixup script (${overlay_prefix}-fixup.scr)"
		source ${load_addr}
	fi
	if test -e ${devtype} ${devnum} ${prefix}fixup.scr; then
		load ${devtype} ${devnum} ${load_addr} ${prefix}fixup.scr
		echo "Applying user provided fixup script (fixup.scr)"
		source ${load_addr}
	fi
fi

load ${devtype} ${devnum} ${ramdisk_addr_r} ${prefix}uInitrd
load ${devtype} ${devnum} ${kernel_addr_r} ${prefix}Image

booti ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}

# Recompile with:
# mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr