target/linux/imx6/image/bootscript-ventana

   1 echo "Gateworks Ventana OpenWrt Boot script v1.00"
   2
   3 # set some defaults
   4 # set some defaults
   5 test -n "$fs"    || fs=ext2
   6 test -n "$disk"  || disk=0
   7 setenv nextcon 0
   8 setenv bootargs console=${console},${baudrate}
   9 setenv loadaddr 10800000
  10 setenv fdt_addr 18000000
  11
  12 # detect displays in the following priority: HDMI, LVDS
  13 # setenv display to override detection for a single display
  14 # or setenv video if you want multiple displays
  15 if test -n "$video" ; then
  16   echo "using video config from env: $video"
  17   setenv bootargs "${bootargs}" "${video}"
  18 else
  19   if test -n "$display" ; then
  20     echo "using display from env: $display"
  21   elif test -n "$panel" ; then
  22     echo "using display from env: $panel"
  23     setenv display "$panel"
  24   else
  25     echo "Detecting displays..."
  26     i2c dev 2
  27     if hdmidet ; then
  28         echo "  HDMI detected"
  29         setenv display "HDMI"
  30     elif i2c probe 0x04 ; then
  31         echo "  Freescale MXC-LVDS1 detected"
  32         setenv display "LVDS"
  33     elif i2c probe 0x14 ; then
  34         echo "  DLC800FIGT3 detected"
  35         setenv display "LVDS"
  36     elif i2c probe 0x38 ; then
  37         echo "  DLC700JMGT4 detected"
  38         setenv display "LVDS"
  39     fi
  40   fi
  41
  42   # configure displays
  43   echo "Configuring kernel bootargs for display(s): $display"
  44   for p in ${display}; do
  45     if itest.s "x${p}" == "xHannstar-XGA" ; then
  46         setenv ptype "LVDS"
  47     elif itest.s "x${p}" == "xDLC700JMGT4" ; then
  48         setenv ptype "LVDS"
  49     elif itest.s "x${p}" == "xDLC800FIGT3" ; then
  50         setenv ptype "LVDS"
  51     elif itest.s "x${p}" == "xLVDS" ; then
  52         setenv ptype "LVDS"
  53     elif itest.s "x${p}" == "xHDMI" ; then
  54         setenv ptype "HDMI"
  55         test -n "$hdmi" || hdmi=1080p
  56         if itest.s "x${hdmi}" == "x1080p" ; then
  57                 setenv hdmi "1920x1080M@60"
  58         elif itest.s "x${hdmi}" == "x720p" ; then
  59                 setenv hdmi "1280x720M@60"
  60         elif itest.s "x${hdmi}" == "x480p" ; then
  61                 setenv hdmi "720x480M@60"
  62         fi
  63     else
  64         echo "${p} not supported"
  65     fi
  66
  67     if itest.s "x${ptype}" == "xLVDS" ; then
  68         echo "  mxcfb${nextcon}: LVDS ($p)"
  69         setenv bootargs "${bootargs}" video=mxcfb${nextcon}:dev=ldb,bpp=32,if=RGB666
  70         setexpr nextcon $nextcon + 1
  71     elif itest.s "x${ptype}" == "xHDMI" ; then
  72         echo "  mxcfb${nextcon}: HDMI ($hdmi)"
  73         setenv bootargs "${bootargs}" video=mxcfb${nextcon}:dev=hdmi,bpp=32,${hdmi},if=RGB24
  74         setexpr nextcon $nextcon + 1
  75     fi
  76
  77   done
  78
  79   # disable remaining mxcfb devices
  80   while test "4" -ne $nextcon ; do
  81         setenv bootargs "${bootargs}" video=mxcfb${nextcon}:off
  82         setexpr nextcon $nextcon + 1
  83   done
  84 fi
  85
  86 # detect dtype and bootdev by looking for kernel on media the bootloader
  87 # has mounted (in order of preference: usb/mmc/sata)
  88 #
  89 # This assumes the bootloader has already started the respective subsystem
  90 # or mounted the filesystem if appropriate to get to this bootscript
  91 #
  92 # To Speed up boot set dtype manually
  93 if test -n "$dtype" ; then
  94         echo "Using dtype from env: $dtype"
  95 else
  96         echo "Detecting boot device (dtype)..."
  97         if ${fs}load usb ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
  98                 dtype=usb
  99         elif ${fs}load mmc ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
 100                 dtype=mmc
 101         elif ${fs}load sata ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
 102                 dtype=sata
 103         elif ubifsload ${loadaddr} ${bootdir}/uImage ; then
 104                 dtype=nand
 105         fi
 106         echo "detected dtype:$dtype"
 107 fi
 108 if test -n "$bootdev" ; then
 109         echo "Using bootdev from env: $bootdev"
 110 else
 111         if itest.s "x${dtype}" == "xmmc" ; then
 112                 bootdev=mmcblk0
 113         else
 114                 bootdev=sda
 115         fi
 116 fi
 117
 118 if itest.s "x${dtype}" == "xnand" ; then
 119         echo "Booting from NAND..."
 120         # fix partition name
 121         #  OpenWrt kernel bug prevents partition name of 'rootfs' from booting
 122         #  instead name the partition ubi which is what is looked for by
 123         #  procd sysupgrade
 124         mtdparts del rootfs && mtdparts add nand0 - ubi
 125         echo "mtdparts:${mtdparts}"
 126         setenv fsload ubifsload
 127         setenv root "ubi0:ubi ubi.mtd=2 rootfstype=squashfs,ubifs"
 128 else
 129         echo "Booting from block device ${bootdev}..."
 130         setenv fsload "${fs}load ${dtype} ${disk}:1"
 131         setenv root "root=/dev/${bootdev}"
 132 fi
 133
 134 setenv bootargs "${bootargs}" "${root}" "${extra}"
 135 if ${fsload} ${loadaddr} ${bootdir}/uImage; then
 136         if ${fsload} ${fdt_addr} ${bootdir}/${fdt_file}; then
 137                 echo Loaded DTB from ${bootdir}/${fdt_file}
 138                 bootm ${loadaddr} - ${fdt_addr}
 139         elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file1}; then
 140                 echo Loaded DTB from ${bootdir}/${fdt_file1}
 141                 bootm ${loadaddr} - ${fdt_addr}
 142         elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file2}; then
 143                 echo Loaded DTB from ${bootdir}/${fdt_file2}
 144                 bootm ${loadaddr} - ${fdt_addr}
 145         else
 146                 echo "Error loading device-tree"
 147         fi
 148 else
 149         echo "Error loading kernel image"
 150 fi