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# to compile this script use:
# mkimage -C none -A arm -T script -d boot.cmd boot.scr
# fallback default values
load_addr=0x01000000
fdtfile=dtb
kernelfile=Image
initrdfile=uInitrd
rootdevice=/dev/mmcblk0p1
rootdevice_flags=rw
loglevel=7
echo "Boot script running from ${devtype} ${devnum}"
if test ${board_name} = "puma_rk3399"; then
if test ${devtype} = "mmc" && test ${devnum} -eq 0;then
rootdevice=/dev/mmcblk1p1
elif test ${devtype} = "mmc" && test ${devnum} -eq 1;then
rootdevice=/dev/mmcblk0p1
fi
fi
if load ${devtype} ${devnum} ${fdt_addr_r} /boot/${board_name}/defaultEnv.txt; then
setenv load_path "/boot/${board_name}"
echo "Import default environment from /boot/${board_name}/defaultEnv.txt"
env import -t ${fdt_addr_r} ${filesize}
else
if load ${devtype} ${devnum} ${fdt_addr_r} /boot/defaultEnv.txt; then
setenv load_path "/boot"
echo "Import default environment from /boot/defaultEnv.txt"
env import -t ${fdt_addr_r} ${filesize}
fi
fi
if load ${devtype} ${devnum} ${load_addr} ${load_path}/userEnv.txt; then
echo "Import default environment from ${load_path}/userEnv.txt"
env import -t ${load_addr} ${filesize}
fi
if test -n ${userscript}; then
if load ${devtype} ${devnum} ${load_addr} ${load_path}/${userscript}; then
echo "Running userscript from ${load_path}/${userscript}"
source ${load_addr}
fi
fi
setenv bootargs "root=${rootdevice} ${rootdevice_flags} rootwait ${console} consoleblank=0 loglevel=${loglevel} ${extraargs}"
if load ${devtype} ${devnum} ${fdt_addr_r} ${load_path}/${fdtfile}; then
echo "Load devicetree from ${load_path}/${fdtfile}"
fi
fdt addr ${fdt_addr_r}
fdt resize
for overlay_file in ${overlays}; do
if load ${devtype} ${devnum} ${load_addr} ${load_path}/overlays/${overlay_file}; then
echo "Apply devicetree overlay ${load_path}/overlays/${overlay_file}"
fdt apply ${load_addr}
fi
done
load ${devtype} ${devnum} ${kernel_addr_r} ${load_path}/${kernelfile}
if load ${devtype} ${devnum} ${ramdisk_addr_r} ${load_path}/${initrdfile}; then
booti ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
else
echo "Start Kernel without initrd"
booti ${kernel_addr_r} - ${fdt_addr_r}
fi
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