From fb6f4ceda165ef3082d5558b4fd579a5b83f9daa Mon Sep 17 00:00:00 2001 From: Brandon Shibley Date: Fri, 18 Mar 2016 15:26:51 -0700 Subject: linux-toradex-fsl-rt: Added a real-time kernel recipe New real-time iMX6 machine configurations were added along with a real-time kernel recipe with a modified PREEMPT_RT patch to accomodate the backports applied to our kernel. To select the kernel use a preferred provider variable in your configuration files (e.g. local.conf): PREFERRED_PROVIDER_virtual/kernel = "linux-toradex-fsl-rt" Signed-off-by: Brandon Shibley [removed -rt machines] Signed-off-by: Stefan Agner --- .../patch-3.14.28-rt25-acpi-removed.patch.gz | Bin 0 -> 177308 bytes recipes-kernel/linux/linux-toradex-fsl-rt_git.bb | 98 +++++++++++++++++++++ 2 files changed, 98 insertions(+) create mode 100644 recipes-kernel/linux/linux-toradex-fsl-rt/patch-3.14.28-rt25-acpi-removed.patch.gz create mode 100644 recipes-kernel/linux/linux-toradex-fsl-rt_git.bb diff --git a/recipes-kernel/linux/linux-toradex-fsl-rt/patch-3.14.28-rt25-acpi-removed.patch.gz b/recipes-kernel/linux/linux-toradex-fsl-rt/patch-3.14.28-rt25-acpi-removed.patch.gz new file mode 100644 index 0000000..fcdcfcc Binary files /dev/null and b/recipes-kernel/linux/linux-toradex-fsl-rt/patch-3.14.28-rt25-acpi-removed.patch.gz differ diff --git a/recipes-kernel/linux/linux-toradex-fsl-rt_git.bb b/recipes-kernel/linux/linux-toradex-fsl-rt_git.bb new file mode 100644 index 0000000..2812978 --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-fsl-rt_git.bb @@ -0,0 +1,98 @@ +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 +} -- cgit v1.2.3