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DESCRIPTION = "Linux kernel 2.6 for Zaurus devices."
LICENSE = "GPL"
KV = "${@oe.data.getVar('PV',d,True).split('-')[0]}"

SRC_URI = "ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-${KV}.tar.bz2 \
           http://www.cs.wisc.edu/~lenz/zaurus/files/patch-${PV}.diff.gz;patch=1 \
           file://patch-2.6.5-rp1.diff;patch=1 \
           file://collie-config-${PV} \
           file://poodle-config-${PV} \
           file://husky-config-${PV}"
S = "${WORKDIR}/linux-${KV}"

inherit kernel

#
# Compensate for sucky bootloader on all Sharp Zaurus models
#
FILES_kernel = ""
ALLOW_EMPTY = 1 
        
EXTRA_OEMAKE = ""
COMPATIBLE_HOST = "arm.*-linux"
KERNEL_CCSUFFIX = "-3.3.3"

#FIXME: Use configuration system
export MEM = "32"
export RD = "32"
export CMDLINE = "noinitrd root=/dev/mtdblock2 rootfstype=jffs2 console=tty0 jffs2_orphand_inodes=delete"
export CMDLINEpxa = "console=ttyS0,9600n8 9600n8 noinitrd root=/dev/mtdblock2 rootfstype=jffs2 console=tty0 jffs2_orphand_inodes=delete"

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

        if [ "${MACHINE}" == "collie" ]
	then
		mem=${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\"" >> ${S}/.config
	else
		echo "CONFIG_CMDLINE=\"$CMDLINEpxa\"" >> ${S}/.config
	fi
        oe_runmake oldconfig
}