mirror of
https://github.com/NextThingCo/CHIP-tools-backup
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initial commit
This commit is contained in:
Wans Hurst
161
chip-create-nand-images.sh
Executable file
161
chip-create-nand-images.sh
Executable file
@ -0,0 +1,161 @@
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#!/bin/bash
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SCRIPTDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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source $SCRIPTDIR/common.sh
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if [[ -z $(which ${MKFS_UBIFS}) ]]; then
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echo "Could not find ${MKFS_UBIFS} in path."
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echo "Install it with the CHIP-SDK setup script."
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echo "You will also need to run this script as root."
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exit 1
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fi
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UBOOTDIR="$1"
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ROOTFSTAR="$2"
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OUTPUTDIR="$3"
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# build the UBI image
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prepare_ubi() {
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local tmpdir=`mktemp -d -t chip-ubi-XXXXXX`
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local rootfs=$tmpdir/rootfs
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local ubifs=$tmpdir/rootfs.ubifs
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local ubicfg=$tmpdir/ubi.cfg
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local outputdir="$1"
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local rootfstar="$2"
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local nandtype="$3"
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local maxlebcount="$4"
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local eraseblocksize="$5"
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local pagesize="$6"
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local subpagesize="$7"
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local oobsize="$8"
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local ebsize=`printf %x $eraseblocksize`
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local psize=`printf %x $pagesize`
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local osize=`printf %x $oobsize`
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local ubi=$outputdir/chip-$ebsize-$psize-$osize.ubi
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local sparseubi=$outputdir/chip-$ebsize-$psize-$osize.ubi.sparse
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local mlcopts=""
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if [ -z $subpagesize ]; then
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subpagesize=$pagesize
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fi
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if [ "$nandtype" = "mlc" ]; then
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lebsize=$((eraseblocksize/2-$pagesize*2))
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mlcopts="-M dist3"
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elif [ $subpagesize -lt $pagesize ]; then
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lebsize=$((eraseblocksize-pagesize))
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else
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lebsize=$((eraseblocksize-pagesize*2))
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fi
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if [ "$osize" = "100" ]; then
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#TOSH_512_SLC
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volspec="vol_flags=autoresize"
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elif [ "$osize" = "500" ]; then
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#TOSH_4GB_MLC
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volspec="vol_size=3584MiB"
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elif [ "$osize" = "680" ]; then
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#HYNI_8GB_MLC
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volspec="vol_size=7168MiB"
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else
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echo "Unable to acquire appropriate volume size or flags, quitting!"
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exit 1
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fi
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mkdir -p $rootfs
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tar -xf $rootfstar -C $rootfs
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${MKFS_UBIFS} -d $rootfs -m $pagesize -e $lebsize -c $maxlebcount -o $ubifs
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echo "[rootfs]
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mode=ubi
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vol_id=0
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$volspec
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vol_type=dynamic
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vol_name=rootfs
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vol_alignment=1
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image=$ubifs" > $ubicfg
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ubinize -o $ubi -p $eraseblocksize -m $pagesize -s $subpagesize $mlcopts $ubicfg
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img2simg $ubi $sparseubi $eraseblocksize
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rm -rf $tmpdir
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}
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# build the SPL image
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prepare_spl() {
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local tmpdir=`mktemp -d -t chip-spl-XXXXXX`
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local outputdir=$1
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local spl=$2
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local eraseblocksize=$3
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local pagesize=$4
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local oobsize=$5
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local repeat=$((eraseblocksize/pagesize/64))
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local nandspl=$tmpdir/nand-spl.bin
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local nandpaddedspl=$tmpdir/nand-padded-spl.bin
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local ebsize=`printf %x $eraseblocksize`
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local psize=`printf %x $pagesize`
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local osize=`printf %x $oobsize`
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local nandrepeatedspl=$outputdir/spl-$ebsize-$psize-$osize.bin
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local padding=$tmpdir/padding
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local splpadding=$tmpdir/nand-spl-padding
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${SNIB} -c 64/1024 -p $pagesize -o $oobsize -u 1024 -e $eraseblocksize -b -s $spl $nandspl
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local splsize=`filesize $nandspl`
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local paddingsize=$((64-(splsize/(pagesize+oobsize))))
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local i=0
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while [ $i -lt $repeat ]; do
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dd if=/dev/urandom of=$padding bs=1024 count=$paddingsize
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${SNIB} -c 64/1024 -p $pagesize -o $oobsize -u 1024 -e $eraseblocksize -b -s $padding $splpadding
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cat $nandspl $splpadding > $nandpaddedspl
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if [ "$i" -eq "0" ]; then
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cat $nandpaddedspl > $nandrepeatedspl
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else
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cat $nandpaddedspl >> $nandrepeatedspl
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fi
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i=$((i+1))
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done
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rm -rf $tmpdir
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}
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# build the bootloader image
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prepare_uboot() {
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local outputdir=$1
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local uboot=$2
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local eraseblocksize=$3
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local ebsize=`printf %x $eraseblocksize`
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local paddeduboot=$outputdir/uboot-$ebsize.bin
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dd if=$uboot of=$paddeduboot bs=$eraseblocksize conv=sync
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}
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## copy the source images in the output dir ##
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mkdir -p $OUTPUTDIR
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cp $UBOOTDIR/spl/sunxi-spl.bin $OUTPUTDIR/
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cp $UBOOTDIR/u-boot-dtb.bin $OUTPUTDIR/
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cp $ROOTFSTAR $OUTPUTDIR/
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## prepare ubi images ##
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# Toshiba SLC image:
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prepare_ubi $OUTPUTDIR $ROOTFSTAR "slc" 2048 262144 4096 1024 256
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# Toshiba MLC image:
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prepare_ubi $OUTPUTDIR $ROOTFSTAR "mlc" 4096 4194304 16384 16384 1280
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# Hynix MLC image:
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prepare_ubi $OUTPUTDIR $ROOTFSTAR "mlc" 4096 4194304 16384 16384 1664
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## prepare spl images ##
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# Toshiba SLC image:
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prepare_spl $OUTPUTDIR $UBOOTDIR/spl/sunxi-spl.bin 262144 4096 256
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# Toshiba MLC image:
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prepare_spl $OUTPUTDIR $UBOOTDIR/spl/sunxi-spl.bin 4194304 16384 1280
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# Hynix MLC image:
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prepare_spl $OUTPUTDIR $UBOOTDIR/spl/sunxi-spl.bin 4194304 16384 1664
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## prepare uboot images ##
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# Toshiba SLC image:
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prepare_uboot $OUTPUTDIR $UBOOTDIR/u-boot-dtb.bin 262144
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# Toshiba/Hynix MLC image:
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prepare_uboot $OUTPUTDIR $UBOOTDIR/u-boot-dtb.bin 4194304
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