1 DESCRIPTION = "Linux Kernel"
5 inherit kernel siteinfo
7 RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
9 # Enable OABI compat for people stuck with obsolete userspace
12 # Quirk for udev greater or equal 141
15 # Specify the commandline for your device
18 CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
20 #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"
22 # Set the verbosity of kernel messages during runtime
23 # You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour
24 CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug", d)}'
25 CMDLINE_append = " ${CMDLINE_DEBUG} "
27 # Support for binary device tree generation
29 FILES_kernel-devicetree = "/boot/devicetree*"
31 KERNEL_DEVICETREE_boc01 = "${WORKDIR}/boc01.dts"
32 KERNEL_DEVICETREE_calamari = "arch/${ARCH}/boot/dts/mpc8536ds.dts"
33 KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts"
34 KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts"
35 KERNEL_DEVICETREE_lsppchd = "arch/${ARCH}/boot/dts/kuroboxHD.dts"
36 KERNEL_DEVICETREE_lsppchg = "arch/${ARCH}/boot/dts/kuroboxHG.dts"
37 KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts"
38 KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts"
39 KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts"
40 KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts"
41 KERNEL_DEVICETREE_mpc8641-hpcn = "arch/${ARCH}/boot/dts/mpc8641_hpcn.dts"
42 KERNEL_DEVICETREE_p2020ds = "arch/${ARCH}/boot/dts/p2020ds.dts"
43 KERNEL_DEVICETREE_xilinx-ml507 = "arch/${ARCH}/boot/dts/virtex440-ml507.dts"
45 KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000"
47 python __anonymous () {
51 devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or ''
53 depends = bb.data.getVar("DEPENDS", d, 1)
54 bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d)
55 packages = bb.data.getVar("PACKAGES", d, 1)
56 bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d)
59 do_configure_prepend() {
60 echo "" > ${S}/.config
63 # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
65 if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then
66 install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
67 echo "CONFIG_LOGO=y" >> ${S}/.config
68 echo "CONFIG_LOGO_LINUX_CLUT224=y" >> ${S}/.config
74 if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibceabi" ]; then
75 echo "CONFIG_AEABI=y" >> ${S}/.config
76 if [ "${ARM_KEEP_OABI}" = "1" ] ; then
77 echo "CONFIG_OABI_COMPAT=y" >> ${S}/.config
79 echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
82 echo "# CONFIG_AEABI is not set" >> ${S}/.config
83 echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
86 # When enabling thumb for userspace we also need thumb support in the kernel
87 if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
88 sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig
89 echo "CONFIG_ARM_THUMB=y" >> ${S}/.config
92 # Enable thumb2 fixup for specific issue in angstrom toolchains when used on A8 r1p[012] silicon
93 if [ "${DISTRO_NAME}" = "Angstrom" ] ; then
94 sed -i -e /CONFIG_ARM_ERRATA_430973/d ${WORKDIR}/defconfig
95 echo "CONFIG_ARM_ERRATA_430973=y" >> ${S}/.config
101 if [ "${SITEINFO_ENDIANESS}" = "be" ]; then
102 echo "CONFIG_CPU_BIG_ENDIAN=y" >> ${S}/.config
105 echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
107 sed -e '/CONFIG_AEABI/d' \
108 -e '/CONFIG_OABI_COMPAT=/d' \
109 -e '/CONFIG_CMDLINE=/d' \
110 -e '/CONFIG_CPU_BIG_ENDIAN/d' \
111 -e '/CONFIG_LOGO=/d' \
112 -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
113 -e '/CONFIG_LOCALVERSION/d' \
114 -e '/CONFIG_LOCALVERSION_AUTO/d' \
115 < '${WORKDIR}/defconfig' >>'${S}/.config'
117 echo 'CONFIG_LOCALVERSION=""' >>${S}/.config
118 echo '# CONFIG_LOCALVERSION_AUTO is not set' >>${S}/.config
124 # Newer versions of udev mandate that sysfs doesn't have deprecated entries
125 if [ "${UDEV_GE_141}" = "1" ] ; then
126 sed -e /CONFIG_SYSFS_DEPRECATED/d \
127 -e /CONFIG_SYSFS_DEPRECATED_V2/d \
128 -e /CONFIG_HOTPLUG/d \
129 -e /CONFIG_UEVENT_HELPER_PATH/d \
132 -e /CONFIG_PROC_FS/d \
134 -e /CONFIG_INOTIFY_USER/d \
135 -e /CONFIG_SIGNALFD/d \
136 -e /CONFIG_TMPFS_POSIX_ACL/d \
137 -e /CONFIG_BLK_DEV_BSG/d \
140 echo '# CONFIG_SYSFS_DEPRECATED is not set' >> ${S}/.config
141 echo '# CONFIG_SYSFS_DEPRECATED_V2 is not set' >> ${S}/.config
142 echo 'CONFIG_HOTPLUG=y' >> ${S}/.config
143 echo 'CONFIG_UEVENT_HELPER_PATH=""' >> ${S}/.config
144 echo 'CONFIG_UNIX=y' >> ${S}/.config
145 echo 'CONFIG_SYSFS=y' >> ${S}/.config
146 echo 'CONFIG_PROC_FS=y' >> ${S}/.config
147 echo 'CONFIG_TMPFS=y' >> ${S}/.config
148 echo 'CONFIG_INOTIFY_USER=y' >> ${S}/.config
149 echo 'CONFIG_SIGNALFD=y' >> ${S}/.config
150 echo 'CONFIG_TMPFS_POSIX_ACL=y' >> ${S}/.config
151 echo 'CONFIG_BLK_DEV_BSG=y' >> ${S}/.config
152 echo 'CONFIG_DEVTMPFS=y' >> ${S}/.config
153 echo 'CONFIG_DEVTMPFS_MOUNT=y' >> ${S}/.config
157 # root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
158 # Enable this by setting a proper CMDLINE_NFSROOT_USB.
160 if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
161 oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
162 sed -e '/CONFIG_INET/d' \
163 -e '/CONFIG_IP_PNP=/d' \
164 -e '/CONFIG_USB_GADGET=/d' \
165 -e '/CONFIG_USB_GADGET_SELECTED=/d' \
166 -e '/CONFIG_USB_ETH=/d' \
167 -e '/CONFIG_NFS_FS=/d' \
168 -e '/CONFIG_ROOT_NFS=/d' \
169 -e '/CONFIG_CMDLINE=/d' \
171 echo "CONFIG_INET=y" >> ${S}/.config
172 echo "CONFIG_IP_PNP=y" >> ${S}/.config
173 echo "CONFIG_USB_GADGET=y" >> ${S}/.config
174 echo "CONFIG_USB_GADGET_SELECTED=y" >> ${S}/.config
175 echo "CONFIG_USB_ETH=y" >> ${S}/.config
176 echo "CONFIG_NFS_FS=y" >> ${S}/.config
177 echo "CONFIG_ROOT_NFS=y" >> ${S}/.config
178 echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config
180 yes '' | oe_runmake oldconfig
183 do_configure_append_avr32() {
184 sed -i -e s:-mno-pic::g arch/avr32/Makefile
187 do_configure_append() {
188 if test -e scripts/Makefile.fwinst ; then
189 sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst
193 do_devicetree_image() {
194 if test -n "${KERNEL_DEVICETREE}" ; then
195 dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE}
196 install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION}
197 install -d ${DEPLOY_DIR_IMAGE}
198 install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
199 package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
200 cd ${DEPLOY_DIR_IMAGE}
201 rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
202 ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
203 package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.dtb
207 addtask devicetree_image after do_install before do_package do_deploy
209 pkg_postinst_kernel-devicetree () {
210 cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/devicetree devicetree devicetree-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
213 pkg_postrm_kernel-devicetree () {
214 cd /${KERNEL_IMAGEDEST}; update-alternatives --remove devicetree devicetree-${KERNEL_VERSION} || true