linux-sysmocom: Add a Linux 4.9 recipe to be used for new poky

Linux 4.9 is a LTS released and will be maintained until at least
January 2019.

conf/machine/include/sysmobts.inc

@@ -1,7 +1,7 @@
 TARGET_ARCH = "arm"
 
 PREFERRED_PROVIDER_virtual/kernel = "linux-sysmocom"
-PREFERRED_VERSION_linux-sysmocom = "3.10.84+git%"
+PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.14+git%')}"
 PREFERRED_PROVIDERS += "virtual/${TARGET_PREFIX}depmod:module-init-tools-cross"
 
 PREFERRED_VERSION_u-boot = "git"

recipes-bsp/linux/linux-sysmocom_4.9.bb

@@ -0,0 +1,59 @@
+inherit kernel
+require linux-sysmocom.inc
+
+DEPENDS += "bc-native"
+
+# ATTENTION: Update linux-backports PR on version change. In Dora the
+# reverse dependency tracking for the kernel doesn't appear to work. So
+# please bump the PR on version changes!
+# at versions changes do not forget to update conf/machine/include/sysmobts.inc too
+LINUX_VERSION ?= "4.9.14"
+LINUX_VERSION_EXTENSION ?= "-sysmocom-${LINUX_KERNEL_TYPE}"
+
+# Overrides for the sysmocom bts v2
+BTS_FIRMWARE_NAME_sysmobts-v2 = "sysmobts-v2"
+
+SRCREV = "8d5d275254642b70b3ecf18a5b9b9fe9d5777230"
+
+PR = "r1"
+PV = "${LINUX_VERSION}+git${SRCPV}"
+
+SRC_URI = "git://git.sysmocom.de/sysmo-bts/linux.git;protocol=git;branch=lynxis/v4.9 \
+	   file://defconfig"
+
+S = "${WORKDIR}/git"
+
+COMPATIBLE_MACHINE = "(sysmobts-v2|sysmocom-bsc)"
+EXTRA_OEMAKE += "KALLSYMS_EXTRA_PASS=1"
+
+require linux-tools.inc
+
+do_configure() {
+	install -m 0644 ${WORKDIR}/defconfig ${B}/.config
+	oe_runmake -C ${S} O=${B} oldconfig
+}
+
+# autoload defaults (alphabetically sorted)
+module_autoload_davinci_mmc = "davinci_mmc"
+module_autoload_dspdl_dm644x = "dspdl_dm644x"
+module_autoload_fpgadl_par = "fpgadl_par"
+module_autoload_leds-gpio = "leds-gpio"
+module_autoload_mmc_block = "mmc_block"
+module_autoload_msgqueue = "msgqueue"
+module_autoload_rtfifo = "rtfifo"
+
+KERNEL_MODULE_PROBECONF_append = "davinci_mmc dspdl_dm644x fpgadl_par leds-gpio mmc_block msgqueue rtfifo"
+KERNEL_MODULE_AUTOLOAD_append = "davinci_mmc dspdl_dm644x fpgadl_par leds-gpio mmc_block msgqueue rtfifo"
+
+# module configs (alphabetically sorted)
+module_conf_dspdl_dm644x = "options dspdl_dm644x fw_name=${BTS_FIRMWARE_NAME}.out debug=0"
+module_conf_fpgadl_par = "options fpgadl_par fw_name=${BTS_FIRMWARE_NAME}.bit"
+module_conf_msgqueue = "options msgqueue fw_name=${BTS_FIRMWARE_NAME}.out"
+module_conf_rtfifo = "options rtfifo fw_name=${BTS_FIRMWARE_NAME}.out"
+
+RDEPENDS_kernel-module-dspdl-dm644x += "sysmobts-firmware"
+RDEPENDS_kernel-module-fpgadl-par += "sysmobts-firmware"
+RDEPENDS_kernel-module-msgqueue += "sysmobts-firmware"
+RDEPENDS_kernel-module-rtfifo += "sysmobts-firmware"
+
+DEFAULT_PREFERENCE = "-1"