uboot-device-tree.bb: Adding building seperate u-boot.dtb support

This recipe will enable us to build seperate u-boot dtb
from given design and given dtsi/dts file using
UBOOT_DTS variable with space seperated.

Signed-off-by: Varalaxmi Bingi <varalaxmi.bingi@xilinx.com>
Signed-off-by: Sai Hari Chandana Kalluri <chandana.kalluri@xilinx.com>

1 files changed, 78 insertions, 0 deletions

diff --git a/meta-xilinx-bsp/recipes-bsp/uboot-device-tree/uboot-device-tree.bb b/meta-xilinx-bsp/recipes-bsp/uboot-device-tree/uboot-device-tree.bb
new file mode 100644
index 00000000..885dce8c
--- /dev/null
+++ b/meta-xilinx-bsp/recipes-bsp/uboot-device-tree/uboot-device-tree.bb
@@ -0,0 +1,78 @@
+SUMMARY = "Xilinx BSP u-boot device trees"
+DESCRIPTION = "Xilinx BSP u-boot device trees from within layer."
+SECTION = "bsp"
+
+LICENSE = "MIT & GPLv2"
+LIC_FILES_CHKSUM = " \
+                file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302 \
+                file://${COMMON_LICENSE_DIR}/GPL-2.0;md5=801f80980d171dd6425610833a22dbe6 \
+                "
+
+inherit devicetree xsctdt xsctyaml
+
+
+REPO ??= "git://github.com/xilinx/device-tree-xlnx.git;protocol=https"
+BRANCH ??= "master"
+BRANCHARG = "${@['nobranch=1', 'branch=${BRANCH}'][d.getVar('BRANCH') != '']}"
+SRC_URI = "${REPO};${BRANCHARG}"
+
+PROVIDES = "virtual/uboot-dtb"
+
+S = "${WORKDIR}/git"
+B = "${WORKDIR}/build"
+
+SRCREV ??= "bc8445833318e9320bf485ea125921eecc3dc97a"
+PV = "xilinx+git${SRCPV}"
+
+PACKAGE_ARCH ?= "${MACHINE_ARCH}"
+
+COMPATIBLE_MACHINE ?= "^$"
+COMPATIBLE_MACHINE_zynqmp = ".*"
+COMPATIBLE_MACHINE_zynq = ".*"
+COMPATIBLE_MACHINE_versal = ".*"
+
+XSCTH_BUILD_CONFIG ?= ""
+
+DT_FILES_PATH = "${XSCTH_WS}/${XSCTH_PROJ}"
+DT_INCLUDE_append = " ${WORKDIR}"
+DT_PADDING_SIZE = "0x1000"
+
+UBOOT_DTS ?= ""
+XSCTH_MISC = " -hdf_type ${HDF_EXT}"
+XSCTH_APP = "device-tree"
+YAML_DT_BOARD_FLAGS_zynqmp-generic ?= ""
+YAML_DT_BOARD_FLAGS_versal-generic ?= ""
+YAML_DT_BOARD_FLAGS_zynq-generic ?= ""
+UBOOT_DTS_NAME = "u-boot"
+DTB_FILE = "u-boot.dtb"
+
+do_configure[dirs] += "${DT_FILES_PATH}"
+SRC_URI_append = "${@" ".join(["file://%s" % f for f in (d.getVar('UBOOT_DTS') or "").split()])}"
+
+do_configure_prepend () {
+    if [ ! -z "${UBOOT_DTS}" ]; then
+        for f in ${UBOOT_DTS}; do
+            cp -rf ${WORKDIR}/${f} ${DT_FILES_PATH}/
+        done
+        return
+    fi
+}
+
+
+#Both linux dtb and uboot dtb are installing
+#system-top.dtb for uboot env recipe while do_prepare_recipe_sysroot
+#moving system-top.dts to othername.
+do_compile_prepend() {
+    import shutil
+   
+    listpath = d.getVar("DT_FILES_PATH")
+    try:
+        os.remove(os.path.join(listpath, "system.dts"))
+        shutil.move(os.path.join(listpath, "system-top.dts"), os.path.join(listpath, d.getVar("UBOOT_DTS_NAME") + ".dts"))
+    except OSError:
+        pass
+}
+
+do_deploy() {
+        install -Dm 0644 ${B}/${UBOOT_DTS_NAME}.dtb ${DEPLOYDIR}/${UBOOT_DTS_NAME}.dtb
+}