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