kumquat-buildroot/board/boundarydevices/nitrogen6x/6x_bootscript.txt

setenv bootargs ''

a_script=0x10800000
a_zImage=0x10800000
a_fdt=0x13000000

setenv initrd_high 0xffffffff
if itest.s "x" == "x${dtbname}" ; then
	if itest.s x6SOLO == "x${cpu}" ; then
		dtbname=imx6dl-${board}.dtb;
	elif itest.s x6DL == "x${cpu}" ; then
		dtbname=imx6dl-${board}.dtb;
	elif itest.s x6QP == "x${cpu}" ; then
		dtbname=imx6qp-${board}.dtb;
	elif itest.s x6SX == "x${cpu}" ; then
		if itest.s "x1" != "x$m4enabled" ; then
			dtbname=imx6sx-${board}.dtb;
		else
			run m4boot;
			dtbname=imx6sx-${board}-m4.dtb;
		fi
		a_script=0x80800000
		a_zImage=0x80800000
		a_fdt=0x83000000
	else
		dtbname=imx6q-${board}.dtb;
	fi
fi

if load ${dtype} ${disk}:1 ${a_script} uEnv.txt ; then
    env import -t ${a_script} ${filesize}
fi

if itest.s x == x${bootdir} ; then
	bootdir=/boot/
fi

if itest.s x${bootpart} == x ; then
	bootpart=1
fi

if load ${dtype} ${disk}:${bootpart} ${a_fdt} ${bootdir}${dtbname} ; then
	fdt addr ${a_fdt}
	setenv fdt_high 0xffffffff
else
	echo "!!!! Error loading ${bootdir}${dtbname}";
	exit;
fi

# first enable tfp410
i2c dev 1
i2c mw 38 8.1 bd

cmd_xxx_present=
fdt resize
if itest.s "x" != "x${cmd_custom}" ; then
	run cmd_custom
	cmd_xxx_present=1;
fi

if itest.s "x" != "x${cmd_hdmi}" ; then
	run cmd_hdmi
	cmd_xxx_present=1;
	if itest.s x == x${allow_noncea} ; then
		setenv bootargs ${bootargs} mxc_hdmi.only_cea=1;
		echo "only CEA modes allowed on HDMI port";
	else
		setenv bootargs ${bootargs} mxc_hdmi.only_cea=0;
		echo "non-CEA modes allowed on HDMI, audio may be affected";
	fi
fi

if itest.s "x" != "x${cmd_lcd}" ; then
	run cmd_lcd
	cmd_xxx_present=1;
fi
if itest.s "x" != "x${cmd_lvds}" ; then
	run cmd_lvds
	cmd_xxx_present=1;
fi
if itest.s "x" != "x${cmd_lvds2}" ; then
	run cmd_lvds2
	cmd_xxx_present=1;
fi

if itest.s "x" == "x${cmd_xxx_present}" ; then
	echo "!!!!!!!!!!!!!!!!"
	echo "warning: your u-boot may be outdated, please upgrade"
	echo "!!!!!!!!!!!!!!!!"
fi

setenv bootargs "${bootargs} console=${console},115200 vmalloc=400M consoleblank=0 rootwait fixrtc"

bpart=1

if test "sata" = "${dtype}" ; then
	setenv bootargs "${bootargs} root=/dev/sda${bpart}" ;
elif test "usb" = "${dtype}" ; then
	setenv bootargs "${bootargs} root=/dev/sda${bpart}" ;
else
	setenv bootargs "${bootargs} root=/dev/mmcblk${disk}p${bpart}"
fi

if itest.s "x" != "x${disable_giga}" ; then
	setenv bootargs ${bootargs} fec.disable_giga=1
fi

if itest.s "x" != "x${wlmac}" ; then
	setenv bootargs ${bootargs} wlcore.mac=${wlmac}
fi

if itest.s "x" != "x${gpumem}" ; then
	setenv bootargs ${bootargs} galcore.contiguousSize=${gpumem}
fi

if itest.s "x" != "x${cma}" ; then
	setenv bootargs ${bootargs} cma=${cma}
fi

if itest.s "x" != "x${show_fdt}" ; then
	fdt print /
fi

if itest.s "x" != "x${show_env}" ; then
	printenv
fi

if load ${dtype} ${disk}:${bootpart} ${a_zImage} ${bootdir}/zImage ; then
	bootz ${a_zImage} - ${a_fdt}
fi
echo "Error loading kernel image"