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|
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPL"
inherit kernel
DEPENDS_append_em-x270 = " mtd-utils "
RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
# 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"
# Support for device tree generation
FILES_kernel_devicetree = "/boot/devicetree*"
KERNEL_DEVICETREE_FLAGS = "-R 8 -p 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
echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
else
echo "# CONFIG_AEABI is not set" >> ${S}/.config
echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
fi
echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
sed -e '/CONFIG_AEABI/d' \
-e '/CONFIG_OABI_COMPAT=/d' \
-e '/CONFIG_CMDLINE=/d' \
-e '/CONFIG_LOGO=/d' \
-e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
< '${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}\"" >> ${S}/.config
fi
yes '' | oe_runmake oldconfig
}
do_install_prepend() {
if test -e arch/${ARCH}/boot/Image ; then
ln -f arch/${ARCH}/boot/Image arch/${ARCH}/boot/uImage
fi
if test -e arch/${ARCH}/boot/images/uImage ; then
ln -f arch/${ARCH}/boot/images/uImage arch/${ARCH}/boot/uImage
fi
if test -e arch/${ARCH}/kernel/vmlinux.lds ; then
ln -f arch/${ARCH}/kernel/vmlinux.lds arch/${ARCH}/boot/vmlinux
fi
}
do_install_append() {
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 -d ${DEPLOY_DIR_IMAGE}
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
}
|
