0969142183455a12b68c2fc6e62f95217c0d57b7
[glsdk/meta-ti-glsdk.git] / recipes-bsp / linux / linux.inc
1 DESCRIPTION = "Linux Kernel"
2 SECTION = "kernel"
3 LICENSE = "GPLv2"
5 LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
7 inherit kernel siteinfo
9 RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
11 # Enable OABI compat for people stuck with obsolete userspace
12 ARM_KEEP_OABI ?= "1"
14 # Quirk for udev greater or equal 141
15 UDEV_GE_141 ?= "0"
17 # Specify the commandline for your device
19 # Boot from mmc
20 CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
21 # Boot from nfs
22 #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"
24 # Set the verbosity of kernel messages during runtime
25 # You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour  
26 CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug", d)}'
27 CMDLINE_append = " ${CMDLINE_DEBUG} "
29 # Kernel bootlogo is distro-specific (default is OE logo).
30 # Logo resolution (qvga, vga, ...) is machine-specific.
31 LOGO_SIZE ?= "."
33 # Support for binary device tree generation
35 FILES_kernel-devicetree = "/boot/devicetree*"
37 KERNEL_DEVICETREE_boc01 = "${WORKDIR}/boc01.dts"
38 KERNEL_DEVICETREE_calamari = "arch/${ARCH}/boot/dts/mpc8536ds.dts"
39 KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts"
40 KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts"
41 KERNEL_DEVICETREE_lite5200 = "arch/${ARCH}/boot/dts/lite5200.dts"
42 KERNEL_DEVICETREE_lsppchd = "arch/${ARCH}/boot/dts/kuroboxHD.dts"
43 KERNEL_DEVICETREE_lsppchg = "arch/${ARCH}/boot/dts/kuroboxHG.dts"
44 KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts"
45 KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts"
46 KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts"
47 KERNEL_DEVICETREE_mpc8544ds = "arch/${ARCH}/boot/dts/mpc8544ds.dts"
48 KERNEL_DEVICETREE_mpc8641-hpcn = "arch/${ARCH}/boot/dts/mpc8641_hpcn.dts"
49 KERNEL_DEVICETREE_p1020rdb = "arch/${ARCH}/boot/dts/p1020rdb.dts"
50 KERNEL_DEVICETREE_p2020ds = "arch/${ARCH}/boot/dts/p2020ds.dts"
51 KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts"
52 KERNEL_DEVICETREE_tqm8540 = "arch/${ARCH}/boot/dts/tqm8540.dts"
53 KERNEL_DEVICETREE_xilinx-ml507 = "arch/${ARCH}/boot/dts/virtex440-ml507.dts"
55 KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000"
57 CORTEXA8FIXUP ?= "yes"
59 python __anonymous () {
61     import bb
62     
63     devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or ''
64     if devicetree:
65         depends = bb.data.getVar("DEPENDS", d, 1)
66         bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d)
67         packages = bb.data.getVar("PACKAGES", d, 1)
68         bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d)
69 }
71 do_configure_prepend() {
73         # Rename getline in ./scripts/unifdef.c
74         # Kernels up to 2.6.29 are currently failing to build unifdef.c,
75         # clashing with exposed getline() from <stdio.h>
76         # see https://patchwork.kernel.org/patch/11166/
77         # committed in 2.6.29 (commit d15bd1067b1fcb2b7250d22bc0c7c7fea0b759f7)
79         sed -i -e 's/getline/parseline/g' ${S}/scripts/unifdef.c
82         echo "" > ${S}/.config
84         #
85         # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
86         #
87         if [ -e ${WORKDIR}/${LOGO_SIZE}/logo_linux_clut224.ppm ]; then
88                 install -m 0644 ${WORKDIR}/${LOGO_SIZE}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
89                 echo "CONFIG_LOGO=y"                    >> ${S}/.config
90                 echo "CONFIG_LOGO_LINUX_CLUT224=y"      >> ${S}/.config
91         fi
93         #
94         # oabi / eabi support
95         #
96         if [ "${TARGET_OS}" = "linux-gnueabi" -o  "${TARGET_OS}" = "linux-uclibceabi" ]; then
97                 echo "CONFIG_AEABI=y"                   >> ${S}/.config
98                 if [ "${ARM_KEEP_OABI}" = "1" ] ; then
99                         echo "CONFIG_OABI_COMPAT=y"             >> ${S}/.config
100                 else
101                         echo "# CONFIG_OABI_COMPAT is not set"  >> ${S}/.config
102                 fi
103         else
104                 echo "# CONFIG_AEABI is not set"        >> ${S}/.config
105                 echo "# CONFIG_OABI_COMPAT is not set"  >> ${S}/.config
106         fi
108         # When enabling thumb for userspace we also need thumb support in the kernel
109         if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
110             sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig 
111             echo "CONFIG_ARM_THUMB=y" >> ${S}/.config
112         fi
114         # Enable thumb2 fixup for specific issue in angstrom toolchains when used on A8 r1p[012] silicon
115         if [ "${DISTRO_NAME}" = "Angstrom" -o "${CORTEXA8FIXUP}" = "yes" ] ; then
116             sed -i -e /CONFIG_ARM_ERRATA_430973/d ${WORKDIR}/defconfig
117             echo "CONFIG_ARM_ERRATA_430973=y" >> ${S}/.config
118         fi
120         #
121         # endian support
122         #
123         if [ "${SITEINFO_ENDIANNESS}" = "be" ]; then
124                 echo "CONFIG_CPU_BIG_ENDIAN=y"          >> ${S}/.config
125         fi
127         echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
129         sed -e '/CONFIG_AEABI/d' \
130             -e '/CONFIG_OABI_COMPAT=/d' \
131             -e '/CONFIG_CMDLINE=/d' \
132             -e '/CONFIG_CPU_BIG_ENDIAN/d' \
133             -e '/CONFIG_LOGO=/d' \
134             -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
135             -e '/CONFIG_LOCALVERSION/d' \
136             -e '/CONFIG_LOCALVERSION_AUTO/d' \
137             < '${WORKDIR}/defconfig' >>'${S}/.config'
139         echo 'CONFIG_LOCALVERSION=""' >>${S}/.config
140         echo '# CONFIG_LOCALVERSION_AUTO is not set' >>${S}/.config
142         #
143         # Udev quirks
144         #
146         # Newer versions of udev mandate that sysfs doesn't have deprecated entries
147         if [ "${UDEV_GE_141}" = "1" ] ; then
148             sed -e /CONFIG_SYSFS_DEPRECATED/d \
149                 -e /CONFIG_SYSFS_DEPRECATED_V2/d \
150                 -e /CONFIG_HOTPLUG/d \
151                 -e /CONFIG_UEVENT_HELPER_PATH/d \
152                 -e /CONFIG_UNIX/d \
153                 -e /CONFIG_SYSFS/d \
154                 -e /CONFIG_PROC_FS/d \
155                 -e /CONFIG_TMPFS/d \
156                 -e /CONFIG_INOTIFY_USER/d \
157                 -e /CONFIG_SIGNALFD/d \
158                 -e /CONFIG_TMPFS_POSIX_ACL/d \
159                 -e /CONFIG_BLK_DEV_BSG/d \
160                 -i '${S}/.config'
162             echo '# CONFIG_SYSFS_DEPRECATED is not set' >> ${S}/.config
163             echo '# CONFIG_SYSFS_DEPRECATED_V2 is not set' >> ${S}/.config
164             echo 'CONFIG_HOTPLUG=y' >> ${S}/.config
165             echo 'CONFIG_UEVENT_HELPER_PATH=""' >> ${S}/.config
166             echo 'CONFIG_UNIX=y' >> ${S}/.config
167             echo 'CONFIG_SYSFS=y' >> ${S}/.config
168             echo 'CONFIG_PROC_FS=y' >> ${S}/.config
169             echo 'CONFIG_TMPFS=y' >> ${S}/.config
170             echo 'CONFIG_INOTIFY_USER=y' >> ${S}/.config
171             echo 'CONFIG_SIGNALFD=y' >> ${S}/.config
172             echo 'CONFIG_TMPFS_POSIX_ACL=y' >> ${S}/.config
173             echo 'CONFIG_BLK_DEV_BSG=y' >> ${S}/.config
174             echo 'CONFIG_DEVTMPFS=y' >> ${S}/.config
175             echo 'CONFIG_DEVTMPFS_MOUNT=y' >> ${S}/.config
176         fi
178         # Newer inits like systemd need cgroup support
179         if [ "${KERNEL_ENABLE_CGROUPS}" = "1" ] ; then
180             sed -e /CONFIG_CGROUP_SCHED/d \
181                 -e /CONFIG_CGROUPS/d \
182                 -i '${S}/.config'
183             
184             echo 'CONFIG_CGROUP_SCHED=y' >> ${S}/.config
185             echo 'CONFIG_CGROUPS=y' >> ${S}/.config
186             echo 'CONFIG_CGROUP_NS=y' >> ${S}/.config
187             echo 'CONFIG_CGROUP_FREEZER=y' >> ${S}/.config
188             echo 'CONFIG_CGROUP_DEVICE=y' >> ${S}/.config
189             echo 'CONFIG_CPUSETS=y' >> ${S}/.config
190             echo 'CONFIG_PROC_PID_CPUSET=y' >> ${S}/.config
191             echo 'CONFIG_CGROUP_CPUACCT=y' >> ${S}/.config
192             echo 'CONFIG_RESOURCE_COUNTERS=y' >> ${S}/.config
193         fi
195         #
196         # root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
197         # Enable this by setting a proper CMDLINE_NFSROOT_USB.
198         #
199         if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
200                 oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
201                 sed -e '/CONFIG_INET/d' \
202                     -e '/CONFIG_IP_PNP=/d' \
203                     -e '/CONFIG_USB_GADGET=/d' \
204                     -e '/CONFIG_USB_GADGET_SELECTED=/d' \
205                     -e '/CONFIG_USB_ETH=/d' \
206                     -e '/CONFIG_NFS_FS=/d' \
207                     -e '/CONFIG_ROOT_NFS=/d' \
208                     -e '/CONFIG_CMDLINE=/d' \
209                     -i ${S}/.config
210                 echo "CONFIG_INET=y"                     >> ${S}/.config
211                 echo "CONFIG_IP_PNP=y"                   >> ${S}/.config
212                 echo "CONFIG_USB_GADGET=y"               >> ${S}/.config
213                 echo "CONFIG_USB_GADGET_SELECTED=y"      >> ${S}/.config
214                 echo "CONFIG_USB_ETH=y"                  >> ${S}/.config
215                 echo "CONFIG_NFS_FS=y"                   >> ${S}/.config
216                 echo "CONFIG_ROOT_NFS=y"                 >> ${S}/.config
217                 echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config
218         fi
219                 yes '' | oe_runmake oldconfig
222 do_configure_append() {
223         if test -e scripts/Makefile.fwinst ; then
224                 sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst
225         fi
228 do_install_append() {
229         oe_runmake headers_install INSTALL_HDR_PATH=${D}${exec_prefix}/src/linux-${KERNEL_VERSION} ARCH=$ARCH
232 PACKAGES =+ "kernel-headers"
233 FILES_kernel-headers = "${exec_prefix}/src/linux*"
235 do_devicetree_image() {
236     if test -n "${KERNEL_DEVICETREE}" ; then
237         dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE}
238         install -d ${D}/boot
239         install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION}
240         install -d ${DEPLOY_DIR_IMAGE}
241         install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
242         package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
243         cd ${DEPLOY_DIR_IMAGE}
244         rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
245         ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
246         package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.dtb
247     fi
250 addtask devicetree_image after do_install before do_package do_deploy
252 pkg_postinst_kernel-devicetree () {
253         cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/devicetree devicetree devicetree-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
256 pkg_postrm_kernel-devicetree () {
257         cd /${KERNEL_IMAGEDEST}; update-alternatives --remove devicetree devicetree-${KERNEL_VERSION} || true