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Diffstat (limited to 'recipes/linux/linux.inc')
| -rw-r--r-- | recipes/linux/linux.inc | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/recipes/linux/linux.inc b/recipes/linux/linux.inc new file mode 100644 index 0000000000..984efac4d3 --- /dev/null +++ b/recipes/linux/linux.inc @@ -0,0 +1,176 @@ +DESCRIPTION = "Linux Kernel" +SECTION = "kernel" +LICENSE = "GPL" + +inherit kernel + +RPSRC = "http://www.rpsys.net/openzaurus/patches/archive" + +# Enable OABI compat for people stuck with obsolete userspace +ARM_KEEP_OABI ?= "1" + +# Specify the commandline for your device + +# Boot from mmc +CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5" +# Boot from nfs +#CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=301 root=/dev/nfs nfsroot=172.20.3.1:/data/at91 ip=172.20.0.5:::255.255.0.0" + +# 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 = " ${CMDLINE_DEBUG} " + +# Support for binary device tree generation + +FILES_kernel-devicetree = "/boot/devicetree*" + +KERNEL_DEVICETREE_boc01 = "${WORKDIR}/boc01.dts" +KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts" +KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts" +KERNEL_DEVICETREE_lsppchd = "arch/${ARCH}/boot/dts/kuroboxHD.dts" +KERNEL_DEVICETREE_lsppchg = "arch/${ARCH}/boot/dts/kuroboxHG.dts" +KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts" +KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts" +KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts" +KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts" + +KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000" + +python __anonymous () { + + import bb + + devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or '' + if devicetree: + depends = bb.data.getVar("DEPENDS", d, 1) + bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d) + packages = bb.data.getVar("PACKAGES", d, 1) + bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d) +} + +do_configure_prepend() { + echo "" > ${S}/.config + + # + # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used + # + if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then + install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm + echo "CONFIG_LOGO=y" >> ${S}/.config + echo "CONFIG_LOGO_LINUX_CLUT224=y" >> ${S}/.config + fi + + # + # oabi / eabi support + # + if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibcgnueabi" ]; then + echo "CONFIG_AEABI=y" >> ${S}/.config + if [ "${ARM_KEEP_OABI}" = "1" ] ; then + echo "CONFIG_OABI_COMPAT=y" >> ${S}/.config + else + echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config + fi + else + echo "# CONFIG_AEABI is not set" >> ${S}/.config + echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config + fi + + # When enabling thumb for userspace we also need thumb support in the kernel + if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then + sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig + echo "CONFIG_ARM_THUMB=y" >> ${S}/.config + fi + + # + # endian support + # + if [ "${SITEINFO_ENDIANESS}" = "be" ]; then + echo "CONFIG_CPU_BIG_ENDIAN=y" >> ${S}/.config + fi + + echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config + + sed -e '/CONFIG_AEABI/d' \ + -e '/CONFIG_OABI_COMPAT=/d' \ + -e '/CONFIG_CMDLINE=/d' \ + -e '/CONFIG_CPU_BIG_ENDIAN/d' \ + -e '/CONFIG_LOGO=/d' \ + -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \ + -e '/CONFIG_LOCALVERSION/d' \ + < '${WORKDIR}/defconfig' >>'${S}/.config' + + # + # root-over-nfs-over-usb-eth support. Limited, but should cover some cases. + # Enable this by setting a proper CMDLINE_NFSROOT_USB. + # + if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then + oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}" + sed -e '/CONFIG_INET/d' \ + -e '/CONFIG_IP_PNP=/d' \ + -e '/CONFIG_USB_GADGET=/d' \ + -e '/CONFIG_USB_GADGET_SELECTED=/d' \ + -e '/CONFIG_USB_ETH=/d' \ + -e '/CONFIG_NFS_FS=/d' \ + -e '/CONFIG_ROOT_NFS=/d' \ + -e '/CONFIG_CMDLINE=/d' \ + -i ${S}/.config + echo "CONFIG_INET=y" >> ${S}/.config + echo "CONFIG_IP_PNP=y" >> ${S}/.config + echo "CONFIG_USB_GADGET=y" >> ${S}/.config + echo "CONFIG_USB_GADGET_SELECTED=y" >> ${S}/.config + echo "CONFIG_USB_ETH=y" >> ${S}/.config + echo "CONFIG_NFS_FS=y" >> ${S}/.config + echo "CONFIG_ROOT_NFS=y" >> ${S}/.config + echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config + fi + yes '' | oe_runmake oldconfig +} + +do_configure_append_avr32() { + sed -i -e s:-mno-pic::g arch/avr32/Makefile +} + +do_configure_append() { + if test -e scripts/Makefile.fwinst ; then + sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst + fi +} + +do_compile_append() { + if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then + if test -e arch/${ARCH}/boot/compressed/vmlinux ; then + ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin + uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage + rm -f linux.bin + else + ${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin + rm -f linux.bin.gz + gzip -9 linux.bin + uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage + rm -f linux.bin.gz + fi + fi +} + +do_devicetree_image() { + if test -n "${KERNEL_DEVICETREE}" ; then + dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE} + install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION} + install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb + cd ${DEPLOY_DIR_IMAGE} + rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb + ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb + fi +} + +addtask devicetree_image after do_deploy before do_package + +pkg_postinst_kernel-devicetree () { + cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/devicetree devicetree devicetree-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true +} + +pkg_postrm_kernel-devicetree () { + cd /${KERNEL_IMAGEDEST}; update-alternatives --remove devicetree devicetree-${KERNEL_VERSION} || true +} + |