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-rw-r--r--meta-rcar-gen2/recipes-kernel/linux/linux.inc139
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diff --git a/meta-rcar-gen2/recipes-kernel/linux/linux.inc b/meta-rcar-gen2/recipes-kernel/linux/linux.inc
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+DESCRIPTION = "Linux Kernel"
+SECTION = "kernel"
+LICENSE = "GPLv2"
+
+LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
+
+inherit kernel siteinfo
+
+# Enable OABI compat for people stuck with obsolete userspace
+ARM_KEEP_OABI ?= "1"
+
+# Quirk for udev greater or equal 141
+UDEV_GE_141 ?= "1"
+
+# Set the verbosity of kernel messages during runtime
+# You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour
+CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug", d)}'
+CMDLINE_append = " ${CMDLINE_DEBUG}"
+
+# Set a variable in .configure
+# $1 - Configure variable to be set
+# $2 - value [n/y/value]
+kernel_configure_variable() {
+ # Remove the config
+ CONF_SED_SCRIPT="$CONF_SED_SCRIPT /CONFIG_$1[ =]/d;"
+ if test "$2" = "n"
+ then
+ echo "# CONFIG_$1 is not set" >> ${S}/.config
+ else
+ echo "CONFIG_$1=$2" >> ${S}/.config
+ fi
+}
+
+do_configure_prepend() {
+ # Clean .config
+ echo "" > ${S}/.config
+ CONF_SED_SCRIPT=""
+
+ # oabi / eabi support
+ if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibceabi" ]; then
+ kernel_configure_variable AEABI y
+ if [ "${ARM_KEEP_OABI}" = "1" ] ; then
+ kernel_configure_variable OABI_COMPAT y
+ else
+ kernel_configure_variable OABI_COMPAT n
+ fi
+ else
+ kernel_configure_variable AEABI n
+ kernel_configure_variable OABI_COMPAT n
+ fi
+
+ # Set cmdline
+ kernel_configure_variable CMDLINE "\"${CMDLINE}\""
+
+ # Localversion
+ kernel_configure_variable LOCALVERSION "\"\""
+ kernel_configure_variable LOCALVERSION_AUTO n
+
+ # Udev quirks
+ # Newer versions of udev mandate that sysfs doesn't have deprecated entries
+ if [ "${UDEV_GE_141}" = "1" ] ; then
+ kernel_configure_variable SYSFS_DEPRECATED n
+ kernel_configure_variable SYSFS_DEPRECATED_V2 n
+ kernel_configure_variable HOTPLUG y
+ kernel_configure_variable UEVENT_HELPER_PATH "\"\""
+ kernel_configure_variable UNIX y
+ kernel_configure_variable SYSFS y
+ kernel_configure_variable PROC_FS y
+ kernel_configure_variable TMPFS y
+ kernel_configure_variable INOTIFY_USER y
+ kernel_configure_variable SIGNALFD y
+ kernel_configure_variable TMPFS_POSIX_ACL y
+ kernel_configure_variable BLK_DEV_BSG y
+ kernel_configure_variable DEVTMPFS y
+ kernel_configure_variable DEVTMPFS_MOUNT y
+ fi
+
+ # Newer inits like systemd need cgroup support
+ if [ "${KERNEL_ENABLE_CGROUPS}" = "1" ] ; then
+ kernel_configure_variable CGROUP_SCHED y
+ kernel_configure_variable CGROUPS y
+ kernel_configure_variable CGROUP_NS y
+ kernel_configure_variable CGROUP_FREEZER y
+ kernel_configure_variable CGROUP_DEVICE y
+ kernel_configure_variable CPUSETS y
+ kernel_configure_variable PROC_PID_CPUSET y
+ kernel_configure_variable CGROUP_CPUACCT y
+ kernel_configure_variable RESOURCE_COUNTERS y
+ fi
+
+ # root-over-nfs-over-usb-eth support. Limited, but should cover some cases
+ # Enable this by setting a proper CMDLINE_NFSROOT_USB.
+ if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
+ oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
+ kernel_configure_variable INET y
+ kernel_configure_variable IP_PNP y
+ kernel_configure_variable USB_GADGET y
+ kernel_configure_variable USB_GADGET_SELECTED y
+ kernel_configure_variable USB_ETH y
+ kernel_configure_variable NFS_FS y
+ kernel_configure_variable ROOT_NFS y
+ kernel_configure_variable ROOT_NFS y
+ kernel_configure_variable CMDLINE "\"${CMDLINE_NFSROOT_USB}\""
+ fi
+
+ # Activate CONFIG_LEGACY_PTYS
+ kernel_configure_variable LEGACY_PTYS y
+
+ # Keep this the last line
+ # Remove all modified configs and add the rest to .config
+ sed -e "${CONF_SED_SCRIPT}" < '${WORKDIR}/defconfig' >> '${S}/.config'
+
+ yes '' | oe_runmake oldconfig
+}
+
+do_configure_append_porter() {
+ # Enable CAN
+ kernel_configure_variable CAN y
+ kernel_configure_variable CAN_RCAR y
+
+ yes '' | oe_runmake oldconfig
+}
+
+# Automatically depend on lzop-native if CONFIG_KERNEL_LZO is enabled
+python () {
+ try:
+ defconfig = bb.fetch2.localpath('file://defconfig', d)
+ except bb.fetch2.FetchError:
+ return
+
+ try:
+ configfile = open(defconfig)
+ except IOError:
+ return
+
+ if 'CONFIG_KERNEL_LZO=y\n' in configfile.readlines():
+ depends = d.getVar('DEPENDS', False)
+ d.setVar('DEPENDS', depends + ' lzop-native')
+}