boot.scr

'V4��Z��O$V���# DO NOT EDIT THIS FILE
#
# Please edit /boot/bootEnv.txt to set supported parameters
#

# default values
setenv video_mode "EDID:1280x1024p60"
setenv load_addr "0x44000000"
setenv fdt_addr "0x43000000"
setenv overlay_error "false"
setenv kernel_file linuz.img

# Set device tree file
setenv dtb_file sun8i-h3-orangepi-pc.dtb

echo "Boot script loaded from ${devtype}"

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

setenv bootargs "loglevel=7 root=/dev/mmcblk0p1 rootfstype=ext4 console=ttyS0,115200 net.ifnames=0 ipv6.disable=1 rootwait panic=10 consoleblank=0 console=tty1 fbcon=map:10 init=/bin/systemd hdmi.audio=EDID:0 disp.screen0_output_mode=${video_mode} ${extraargs}"

# Load the existing Linux kernel into RAM
load ${devtype} ${devnum} ${kernel_addr_r} ${prefix}${kernel_file}
load ${devtype} ${devnum} ${fdt_addr} ${prefix}${dtb_file}
load ${devtype} ${devnum} ${ramdisk_addr_r} ${initramfs}

fdt addr ${fdt_addr}
fdt resize 65536

for overlay_file in ${overlays}; do
	if load ${devtype} ${devnum} ${load_addr} ${prefix}overlays/${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

if test "${overlay_error}" = "true"; then
	echo "Error applying DT overlays, restoring original DT"
	load ${devtype} ${devnum} ${fdt_addr} ${prefix}${dtb_file}
else
	if test -e ${devtype} ${devnum} ${prefix}overlays/${overlay_prefix}-fixup.scr; then
		load ${devtype} ${devnum} ${load_addr} ${prefix}overlays/${overlay_prefix}-fixup.scr
		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

# Boot the kernel we have just loaded
bootz ${kernel_addr_r} - ${fdt_addr}