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SUMMARY = "Linux Kernel for Toradex Freescale i.MX6 based modules"
SECTION = "kernel"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
inherit kernel
require recipes-kernel/linux/linux-dtb.inc
FILESEXTRAPATHS_append := ":${THISDIR}/../../../meta-fsl-arm/recipes-kernel/linux/linux-imx-rt-3.14.28"
DEPENDS += "lzop-native "
LINUX_VERSION_mx6 = "3.14.28"
LOCALVERSION = "-${PR}"
SRCREV_mx6 = "0632def1c9981e3974f724025f39b2c1588d8ee6"
PR_mx6 = "V2.5b3-rt"
PV = "${LINUX_VERSION}+gitr${SRCREV}"
S = "${WORKDIR}/git"
SRCBRANCH_mx6 = "toradex_imx_3.14.28_1.0.0_ga"
SRC_URI = "\
git://git.toradex.com/linux-toradex.git;protocol=git;branch=${SRCBRANCH} \
file://0001-ARM-imx6q-drop-unnecessary-semicolon.patch \
file://0002-ARM-clk-imx6q-fix-video-divider-for-rev-T0-1.0.patch \
file://0003-ARM-imx6sl-Disable-imx6sl-specific-code-when-imx6sl-.patch \
file://0004-mmc-sdhci-esdhc-imx-Fixup-runtime-PM-conditions-duri.patch \
file://0005-Revert-net-fec-fix-the-warning-found-by-dma-debug.patch \
file://patch-3.14.28-rt25-acpi-removed.patch.gz \
file://0001-fix-build.patch \
file://0002-fix-build-with-rt-enabled.patch \
file://0003-no-split-ptlocks.patch \
file://0004-imx-sdma-channel-use-raw-spinlock.patch \
"
# Load USB functions configurable through configfs (CONFIG_USB_CONFIGFS)
KERNEL_MODULE_AUTOLOAD += "${@bb.utils.contains('COMBINED_FEATURES', 'usbgadget', ' libcomposite', '',d)}"
COMPATIBLE_MACHINE = "(colibri-imx6|apalis-imx6)"
# Place changes to the defconfig here
config_script () {
# #example change to the .config
# #sets CONFIG_TEGRA_CAMERA unconditionally to 'y'
# sed -i -e /CONFIG_TEGRA_CAMERA/d ${B}/.config
# echo "CONFIG_TEGRA_CAMERA=y" >> ${B}/.config
sed -i -e /CONFIG_PREEMPT_VOLUNTARY/d ${B}/.config
echo "# CONFIG_PREEMPT_VOLUNTARY is not set" >> ${B}/.config
sed -i -e /CONFIG_PREEMPT_RT_FULL/d ${B}/.config
echo "CONFIG_PREEMPT_RT_FULL=y" >> ${B}/.config
echo "dummy" > /dev/null
}
do_configure_prepend () {
#use the defconfig provided in the kernel source tree
#assume its called ${MACHINE}_defconfig, but with '_' instead of '-'
BASE_MACHINE="`echo ${MACHINE} | cut -d'-' -f-2`"
DEFCONFIG="`echo $BASE_MACHINE | sed -e 's/\-/\_/g' -e 's/$/_defconfig/'`"
cd ${S}
export KBUILD_OUTPUT=${B}
oe_runmake $DEFCONFIG
#maybe change some configuration
config_script
#Add Toradex BSP Version as LOCALVERSION
sed -i -e /CONFIG_LOCALVERSION/d ${B}/.config
echo "CONFIG_LOCALVERSION=\"${LOCALVERSION}\"" >> ${B}/.config
#Add GIT revision to the local version
head=`git --git-dir=${S}/.git rev-parse --verify --short HEAD 2> /dev/null`
printf "%s%s" +g $head > ${S}/.scmversion
}
# We need to pass it as param since kernel might support more then one
# machine, with different entry points
KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}"
kernel_do_compile() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
if test "${KERNEL_IMAGETYPE_FOR_MAKE}.gz" = "${KERNEL_IMAGETYPE}"; then
gzip -9c < "${KERNEL_IMAGETYPE_FOR_MAKE}" > "${KERNEL_OUTPUT}"
fi
}
do_compile_kernelmodules() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
oe_runmake ${PARALLEL_MAKE} modules LD="${KERNEL_LD}"
else
bbnote "no modules to compile"
fi
}
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