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DESCRIPTION = "Linux kernel for the SIEMENS SIMpad family of devices."
MAINTAINER = "Michael 'Mickey' Lauer <mickey@Vanille.de>"
LICENSE = "GPL"
KV = "${@oe.data.getVar('PV',d,True).split('-')[0]}"
VRSV = "${@oe.data.getVar('PV',d,True).split('-')[1]}"
PXAV = "${@oe.data.getVar('PV',d,True).split('-')[2]}"
JPMV = "${@oe.data.getVar('PV',d,True).split('-')[3]}"
PR = "r2"

SRC_URI = "ftp://ftp.kernel.org/pub/linux/kernel/v2.4/linux-${KV}.tar.bz2 \
           file://${KV}-${VRSV}.patch;patch=1 \
           file://${KV}-${VRSV}-${PXAV}.patch;patch=1 \
           file://${KV}-${VRSV}-${PXAV}-${JPMV}.patch;patch=1 \
           file://sound-volume-reversed.patch;patch=1 \
	   file://disable-pcmcia-probe.patch;patch=1 \
           file://mkdep.patch;patch=1 \
           file://defconfig-${MACHINE}"

# apply this when we have a patch that allows building with gcc 3.x:
# SRC_URI_append = file://gcc-3.3.patch;patch=1
# SRC_URI_append = file://machtune-args.patch;patch=1

S = "${WORKDIR}/linux-${KV}"

inherit kernel

KERNEL_CCSUFFIX = "-3.3.3"
COMPATIBLE_HOST = "arm.*-linux"

#FIXME: Use configuration system
export MEM = "32"
export RD = "32"
export CMDLINE = "mtdparts=sa1100:512k(boot),1m(kernel),-(root) console=ttySA root=1f02 noinitrd jffs2_orphaned_inodes=delete rootfstype=jffs2 "
EXTRA_OEMAKE = ""

do_configure() {
        install -m 0644 ${WORKDIR}/defconfig-${MACHINE} ${S}/.config || die "No default configuration for ${MACHINE} available."

        mem=${MEM}
        rd=${RD}
        mempos=`echo "obase=16; $mem * 1024 * 1024" | bc`
        rdsize=`echo "$rd * 1024" | bc`
        total=`expr $mem + $rd`
        addr=`echo "obase=16; ibase=16; C000000 + $mempos" | bc`
        if [ "$rd" == "0" ]
        then
                echo "# CONFIG_MTD_MTDRAM_SA1100 is not set" >> ${S}/.config
        else
                echo "CONFIG_MTD_MTDRAM_SA1100=y"           >> ${S}/.config
                echo "CONFIG_MTDRAM_TOTAL_SIZE=$rdsize"     >> ${S}/.config
                echo "CONFIG_MTDRAM_ERASE_SIZE=1"           >> ${S}/.config
                echo "CONFIG_MTDRAM_ABS_POS=$addr"          >> ${S}/.config
        fi
	echo "CONFIG_CMDLINE=\"$CMDLINE mem=${mem}M\"" >> ${S}/.config
        oe_runmake oldconfig
}

do_stage() {
	install -d ${STAGING_LIBDIR}/kernel
	install arch/arm/boot/zImage ${STAGING_LIBDIR}/kernel/
}