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

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setenv bootargs ''
if ${fs}load ${dtype} ${disk}:1 10800000 uEnv.txt ; then
env import -t 10800000 $filesize
fi
if itest.s "x" == "x$dtbname" ; then
dtbname="imx6";
if itest.s x6SOLO == "x$cpu" ; then
dtbname=${dtbname}dl-;
elif itest.s x6DL == "x$cpu" ; then
dtbname=${dtbname}dl-;
else
dtbname=${dtbname}q-;
fi
if itest.s x == "x$board" ; then
board=sabrelite
fi
dtbname=${dtbname}${board}.dtb;
fi
if itest.s x == x${bootdir} ; then
bootdir=/boot/
fi
setenv fdt_addr 0x12000000
if ${fs}load ${dtype} ${disk}:1 $fdt_addr ${bootdir}$dtbname ; then
fdt addr $fdt_addr
setenv fdt_high 0xffffffff
else
echo "!!!! Error loading ${bootdir}$dtbname";
exit;
fi
# ------------------- HDMI detection
i2c dev 1 ;
if i2c probe 0x50 ; then
echo "------ have HDMI monitor";
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 $bootargs mxc_hdmi.only_cea=0;
echo "non-CEA modes allowed on HDMI, audio may be affected";
fi
else
fdt rm hdmi_display
echo "------ no HDMI monitor";
fi
# ------------------- LVDS detection
if itest.s "x" != "x$lvds_1080p" ; then
echo "----- 1080P dual channel LVDS";
fdt rm okaya1024x600
fdt rm lg1280x800
fdt rm hannstar;
fdt set ldb split-mode 1
fdt set lvds_display interface_pix_fmt "RGB24"
fdt set ldb/lvds-channel@0 fsl,data-width <24>
else
fdt rm ldb split-mode
fdt rm lvds1080p
# -------- LVDS0 (bottom on Nitrogen6_Max)
setenv have_lvds
i2c dev 2
if i2c probe 0x04 ; then
echo "------ have Freescale display";
setenv have_lvds 1
else
echo "------ no Freescale display";
fdt rm hannstar;
fi
if i2c probe 0x38 ; then
if itest.s "xLDB-WXGA" == "x$panel"; then
screenres=1280,800
fdt rm okaya1024x600
else
screenres=1024,600
fdt rm lg1280x800
fi
setenv have_lvds 1
setenv bootargs $bootargs ft5x06_ts.screenres=$screenres
if itest.s "x" -ne "x$calibration" ; then
setenv bootargs $bootargs ft5x06_ts.calibration=$calibration
fi
else
echo "------ no ft5x06 touch controller";
fdt rm okaya1024x600
fdt rm lg1280x800
fi
if itest.s "x" == "x$have_lvds"; then
fdt rm lvds_display;
fi
# -------- LVDS1 (top on Nitrogen6_Max)
if itest.s "xhannstar" == "x$lvds1_panel" ; then
echo "configure LVDS1 for Hannstar panel"
fdt rm okaya1024x600_2;
fdt rm lg1280x800_2;
fdt set lvds_display_2 status okay
elif itest.s "xokaya1024x600" == "x$lvds1_panel" ; then
echo "configure LVDS1 for 1024x600 panel"
fdt rm hannstar_2;
fdt rm lg1280x800_2;
fdt set lvds_display_2 status okay
elif itest.s "xlg1280x800" == "x$lvds1_panel" ; then
echo "configure LVDS1 for 1280x800 panel"
fdt rm hannstar_2;
fdt rm okaya1024x600_2;
fdt set lvds_display_2 status okay
else
fdt rm lvds_display_2 ; # ignore errors on boards != 6_max
fi
fi
# ------------------- LCD detection
setenv have_lcd '';
if i2c probe 0x48 ; then
setenv have_lcd 1;
echo "------- found TSC2004 touch controller";
if itest.s "x" -eq "x$tsc_calibration" ; then
setenv bootargs $bootargs tsc2004.calibration=-67247,-764,272499173,324,69283,-8653010,65536
else
setenv bootargs $bootargs tsc2004.calibration=$tsc_calibration
fi
elif i2c probe 0x4d ; then
setenv have_lcd 1;
echo "------- found AR1020 touch controller";
fi
if itest.s "x" != "x$ignore_lcd" ; then
echo "------ ignoring LCD display";
setenv have_lcd '';
fi
if itest.s "x" != "x$have_lcd" ; then
echo "----- found LCD display";
else
fdt rm lcd_display;
fi
setenv bootargs "$bootargs console=ttymxc1,115200 vmalloc=400M consoleblank=0 rootwait"
if itest.s x$bootpart == x ; then
bootpart=1
fi
if test "sata" = "${dtype}" ; then
setenv bootargs "$bootargs root=/dev/sda$bootpart" ;
else
if test "usb" = "${dtype}" ; then
setenv bootargs "$bootargs root=/dev/sda$bootpart" ;
elif itest 0 -eq ${disk}; then
setenv bootargs "$bootargs root=/dev/mmcblk2p$bootpart" ;
else
setenv bootargs "$bootargs root=/dev/mmcblk3p$bootpart" ;
fi
fi
if itest.s "x" != "x${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$show_fdt" ; then
fdt print /
fi
if itest.s "x" != "x$show_env" ; then
printenv
fi
if ${fs}load ${dtype} ${disk}:1 10800000 ${bootdir}uImage ; then
bootm 10800000 - $fdt_addr
fi
echo "Error loading kernel image"