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|
echo "Gateworks Ventana OpenWrt Boot script v1.00"
# set some defaults
# set some defaults
test -n "$fs" || fs=ext2
test -n "$disk" || disk=0
setenv nextcon 0
setenv bootargs console=${console},${baudrate}
setenv loadaddr 10800000
setenv fdt_addr 18000000
# detect displays in the following priority: HDMI, LVDS
# setenv display to override detection for a single display
# or setenv video if you want multiple displays
if test -n "$video" ; then
echo "using video config from env: $video"
setenv bootargs "${bootargs}" "${video}"
else
if test -n "$display" ; then
echo "using display from env: $display"
elif test -n "$panel" ; then
echo "using display from env: $panel"
setenv display "$panel"
else
echo "Detecting displays..."
i2c dev 2
if hdmidet ; then
echo " HDMI detected"
setenv display "HDMI"
elif i2c probe 0x04 ; then
echo " Freescale MXC-LVDS1 detected"
setenv display "LVDS"
elif i2c probe 0x14 ; then
echo " DLC800FIGT3 detected"
setenv display "LVDS"
elif i2c probe 0x38 ; then
echo " DLC700JMGT4 detected"
setenv display "LVDS"
fi
fi
# configure displays
echo "Configuring kernel bootargs for display(s): $display"
for p in ${display}; do
if itest.s "x${p}" == "xHannstar-XGA" ; then
setenv ptype "LVDS"
elif itest.s "x${p}" == "xDLC700JMGT4" ; then
setenv ptype "LVDS"
elif itest.s "x${p}" == "xDLC800FIGT3" ; then
setenv ptype "LVDS"
elif itest.s "x${p}" == "xLVDS" ; then
setenv ptype "LVDS"
elif itest.s "x${p}" == "xHDMI" ; then
setenv ptype "HDMI"
test -n "$hdmi" || hdmi=1080p
if itest.s "x${hdmi}" == "x1080p" ; then
setenv hdmi "1920x1080M@60"
elif itest.s "x${hdmi}" == "x720p" ; then
setenv hdmi "1280x720M@60"
elif itest.s "x${hdmi}" == "x480p" ; then
setenv hdmi "720x480M@60"
fi
else
echo "${p} not supported"
fi
if itest.s "x${ptype}" == "xLVDS" ; then
echo " mxcfb${nextcon}: LVDS ($p)"
setenv bootargs "${bootargs}" video=mxcfb${nextcon}:dev=ldb,bpp=32,if=RGB666
setexpr nextcon $nextcon + 1
elif itest.s "x${ptype}" == "xHDMI" ; then
echo " mxcfb${nextcon}: HDMI ($hdmi)"
setenv bootargs "${bootargs}" video=mxcfb${nextcon}:dev=hdmi,bpp=32,${hdmi},if=RGB24
setexpr nextcon $nextcon + 1
fi
done
# disable remaining mxcfb devices
while test "4" -ne $nextcon ; do
setenv bootargs "${bootargs}" video=mxcfb${nextcon}:off
setexpr nextcon $nextcon + 1
done
fi
# detect dtype and bootdev by looking for kernel on media the bootloader
# has mounted (in order of preference: usb/mmc/sata)
#
# This assumes the bootloader has already started the respective subsystem
# or mounted the filesystem if appropriate to get to this bootscript
#
# To Speed up boot set dtype manually
if test -n "$dtype" ; then
echo "Using dtype from env: $dtype"
else
echo "Detecting boot device (dtype)..."
if ${fs}load usb ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
dtype=usb
elif ${fs}load mmc ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
dtype=mmc
elif ${fs}load sata ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
dtype=sata
elif ubifsload ${loadaddr} ${bootdir}/uImage ; then
dtype=nand
fi
echo "detected dtype:$dtype"
fi
if test -n "$bootdev" ; then
echo "Using bootdev from env: $bootdev"
else
if itest.s "x${dtype}" == "xmmc" ; then
bootdev=mmcblk0
else
bootdev=sda
fi
fi
if itest.s "x${dtype}" == "xnand" ; then
echo "Booting from NAND..."
# fix partition name
# OpenWrt kernel bug prevents partition name of 'rootfs' from booting
# instead name the partition ubi which is what is looked for by
# procd sysupgrade
mtdparts del rootfs && mtdparts add nand0 - ubi
echo "mtdparts:${mtdparts}"
setenv fsload ubifsload
setenv root "ubi0:ubi ubi.mtd=2 rootfstype=squashfs,ubifs"
else
echo "Booting from block device ${bootdev}..."
setenv fsload "${fs}load ${dtype} ${disk}:1"
setenv root "root=/dev/${bootdev}"
fi
setenv bootargs "${bootargs}" "${root}" "${extra}"
if ${fsload} ${loadaddr} ${bootdir}/uImage; then
if ${fsload} ${fdt_addr} ${bootdir}/${fdt_file}; then
echo Loaded DTB from ${bootdir}/${fdt_file}
bootm ${loadaddr} - ${fdt_addr}
elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file1}; then
echo Loaded DTB from ${bootdir}/${fdt_file1}
bootm ${loadaddr} - ${fdt_addr}
elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file2}; then
echo Loaded DTB from ${bootdir}/${fdt_file2}
bootm ${loadaddr} - ${fdt_addr}
else
echo "Error loading device-tree"
fi
else
echo "Error loading kernel image"
fi
|
