diff options
Diffstat (limited to 'import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc')
| -rw-r--r-- | import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc | 159 |
1 files changed, 139 insertions, 20 deletions
diff --git a/import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc b/import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc index 9265d557a2..da36ca7d57 100644 --- a/import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc +++ b/import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc @@ -1,24 +1,22 @@ -require linux-rpi.inc -inherit linux-raspberrypi-base - DESCRIPTION = "Linux Kernel for Raspberry Pi" SECTION = "kernel" LICENSE = "GPLv2" LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7" -SRC_URI += " \ - file://defconfig \ - " - -COMPATIBLE_MACHINE = "raspberrypi" +COMPATIBLE_MACHINE = "^rpi$" PE = "1" PV = "${LINUX_VERSION}+git${SRCPV}" -# NOTE: For now we pull in the default config from the RPi kernel GIT tree. -KERNEL_DEFCONFIG_raspberrypi ?= "bcmrpi_defconfig" -KERNEL_DEFCONFIG_raspberrypi2 ?= "bcm2709_defconfig" -KERNEL_DEFCONFIG_raspberrypi3-64 ?= "bcmrpi3_defconfig" +inherit kernel siteinfo +require recipes-kernel/linux/linux-yocto.inc + +KCONFIG_MODE = "--alldefconfig" +KBUILD_DEFCONFIG_raspberrypi0-wifi ?= "bcmrpi_defconfig" +KBUILD_DEFCONFIG_raspberrypi ?= "bcmrpi_defconfig" +KBUILD_DEFCONFIG_raspberrypi2 ?= "bcm2709_defconfig" +KBUILD_DEFCONFIG_raspberrypi3 ?= "bcm2709_defconfig" +KBUILD_DEFCONFIG_raspberrypi3-64 ?= "bcmrpi3_defconfig" # CMDLINE for raspberrypi CMDLINE ?= "dwc_otg.lpm_enable=0 console=serial0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait" @@ -26,20 +24,141 @@ CMDLINE ?= "dwc_otg.lpm_enable=0 console=serial0,115200 root=/dev/mmcblk0p2 root # Add the kernel debugger over console kernel command line option if enabled CMDLINE_append = ' ${@base_conditional("ENABLE_KGDB", "1", "kgdboc=serial0,115200", "", d)}' +# Disable rpi logo on boot +CMDLINE_append += ' ${@base_conditional("DISABLE_RPI_BOOT_LOGO", "1", "logo.nologo", "", d)}' + +# You can define CMDLINE_DEBUG as "debug" in your local.conf or distro.conf +# to enable kernel debugging. +CMDLINE_DEBUG ?= "" +CMDLINE_append = " ${CMDLINE_DEBUG}" + +# Quirk for udev greater or equal 141 UDEV_GE_141 ?= "1" +# Enable OABI compat for people stuck with obsolete userspace +ARM_KEEP_OABI ?= "1" + +KERNEL_INITRAMFS ?= '${@base_conditional("INITRAMFS_IMAGE_BUNDLE", "1", "1", "", d)}' + KERNEL_MODULE_AUTOLOAD += "${@bb.utils.contains("MACHINE_FEATURES", "pitft28r", "stmpe-ts", "", d)}" -# Set programmatically some variables during recipe parsing -# See http://www.yoctoproject.org/docs/current/bitbake-user-manual/bitbake-user-manual.html#anonymous-python-functions -python __anonymous () { - kerneltype = d.getVar('KERNEL_IMAGETYPE') - kerneldt = get_dts(d, d.getVar('LINUX_VERSION')) - d.setVar("KERNEL_DEVICETREE", kerneldt) +# A LOADADDR is needed when building a uImage format kernel. This value is not +# set by default in rpi-4.8.y and later branches so we need to provide it +# manually. This value unused if KERNEL_IMAGETYPE is not uImage. +KERNEL_EXTRA_ARGS += "LOADADDR=0x00008000" + +# 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" >> ${B}/.config + else + echo "CONFIG_$1=$2" >> ${B}/.config + fi +} + +do_configure_prepend() { + mv -f ${B}/.config ${B}/.config.patched + CONF_SED_SCRIPT="" + + # oabi / eabi support + kernel_configure_variable AEABI y + if [ "${ARM_KEEP_OABI}" = "1" ] ; then + kernel_configure_variable OABI_COMPAT y + else + kernel_configure_variable OABI_COMPAT n + fi + + # 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 + if [ ! -z "${KERNEL_INITRAMFS}" ]; then + kernel_configure_variable BLK_DEV_INITRD y + kernel_configure_variable INITRAMFS_SOURCE "" + kernel_configure_variable RD_GZIP y + kernel_configure_variable OVERLAY_FS y + kernel_configure_variable SQUASHFS y + kernel_configure_variable UBIFS_FS y + fi + # Activate CONFIG_LEGACY_PTYS + kernel_configure_variable LEGACY_PTYS y + # this module is built externally via drbd-utils + kernel_configure_variable BLK_DEV_DRBD n + + # Activate the configuration options for VC4 + VC4GRAPHICS="${@bb.utils.contains("MACHINE_FEATURES", "vc4graphics", "1", "0", d)}" + if [ ${VC4GRAPHICS} = "1" ]; then + kernel_configure_variable I2C_BCM2835 y + kernel_configure_variable DRM y + kernel_configure_variable DRM_FBDEV_EMULATION y + kernel_configure_variable DRM_VC4 y + fi + + # Keep this the last line + # Remove all modified configs and add the rest to .config + sed -e "${CONF_SED_SCRIPT}" < '${B}/.config.patched' >> '${B}/.config' + rm -f ${B}/.config.patched + + yes '' | oe_runmake oldconfig } -do_kernel_configme_prepend() { - install -m 0644 ${S}/arch/${ARCH}/configs/${KERNEL_DEFCONFIG} ${WORKDIR}/defconfig || die "No default configuration for ${MACHINE} / ${KERNEL_DEFCONFIG} available." +do_compile_append_raspberrypi3-64() { + cc_extra=$(get_cc_option) + oe_runmake dtbs CC="${KERNEL_CC} $cc_extra " LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} } do_install_prepend() { |