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

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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echo "warning: your u-boot may be outdated, please upgrade"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"