1 files changed, 70 insertions, 0 deletions
diff --git a/meta-xilinx-core/recipes-bsp/u-boot/u-boot-spl-zynq-init.inc b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-spl-zynq-init.inc
new file mode 100644
index 00000000..6638c9e5
--- /dev/null
+++ b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-spl-zynq-init.inc
@@ -0,0 +1,70 @@
+inherit xilinx-platform-init
+
+FORCE_PLATFORM_INIT[doc] = "This variable is used to force the overriding of all platform init files in u-boot source."
+
+PLATFORM_BOARD_DIR ?= ""
+PLATFORM_BOARD_DIR:zynq = "board/xilinx/zynq"
+PLATFORM_BOARD_DIR:zynqmp = "board/xilinx/zynqmp"
+
+do_zynq_platform_init() {
+	for f in ${PLATFORM_INIT_FILES}; do
+		if [ -d "${S}/${PLATFORM_BOARD_DIR}/custom_hw_platform" ]; then
+			cp ${PLATFORM_INIT_STAGE_DIR}/$f ${S}/${PLATFORM_BOARD_DIR}/custom_hw_platform/
+		else
+			cp ${PLATFORM_INIT_STAGE_DIR}/$f ${S}/${PLATFORM_BOARD_DIR}/
+		fi
+		# Newer u-boot sources use the init files in a sub directory named
+		# based on the name of the device tree. This is not straight forward to
+		# detect. Instead of detecting just overwrite all the platform init
+		# files so that the correct one is always used. This shotgun approach
+		# only works due to this recipe being machine arch specific. Do this
+		# overwrite un-conditionally as there is no guarantees that the chosen
+		# board config does not have the device tree config set.
+		for i in ${S}/${PLATFORM_BOARD_DIR}/*/; do
+			[ -d $i ] && cp ${PLATFORM_INIT_STAGE_DIR}/$f $i
+		done
+	done
+}
+
+python () {
+    # strip the tail _config/_defconfig for better comparison
+    def strip_config_name(c):
+        for i in ["_config", "_defconfig"]:
+            if c.endswith(i):
+                return c[0:len(c) - len(i)]
+        return c
+
+    if d.getVar("SOC_FAMILY") not in ["zynq", "zynqmp"]:
+        # continue on this is not a zynq/zynqmp target
+        return
+
+    # Determine if target machine needs to provide a custom platform init files
+    if d.getVar("SPL_BINARY"):
+        hasconfigs = [strip_config_name(c) for c in (d.getVar("HAS_PLATFORM_INIT") or "").split()]
+        currentconfig = strip_config_name(d.getVar("UBOOT_MACHINE"))
+
+        # only add the dependency if u-boot doesn't already provide the platform init files
+        if (currentconfig not in hasconfigs) or (d.getVar("FORCE_PLATFORM_INIT") == "1"):
+            # force the dependency on a recipe that provides the platform init files
+            d.appendVar("DEPENDS", " virtual/xilinx-platform-init")
+            # setup task to modify platform init after unpack and prepare_recipe_sysroot, and before configure
+            bb.build.addtask("do_zynq_platform_init", "do_configure", "do_unpack do_prepare_recipe_sysroot", d)
+
+    if "boot.bin" not in d.getVar("SPL_BINARY"):
+        # not deploying the boot.bin, just building SPL
+        return
+
+    # assume that U-Boot is to provide the boot.bin if no other provides are selected or U-Boot is selected
+    providesbin = not(d.getVar("PREFERRED_PROVIDER_virtual/boot-bin")) or d.getVar("PREFERRED_PROVIDER_virtual/boot-bin") == d.getVar("PN")
+    if providesbin:
+        # add provides, if U-Boot is set to provide boot.bin
+        d.appendVar("PROVIDES", " virtual/boot-bin")
+    else:
+        # prevent U-Boot from deploying the boot.bin
+        d.setVar("SPL_BINARY", "")
+
+    if providesbin and d.getVar("SOC_FAMILY") in ["zynqmp"]:
+        # setup PMU Firmware path via MAKEFLAGS
+        d.appendVar("EXTRA_OEMAKE", " CONFIG_PMUFW_INIT_FILE=\"{0}\"".format("${PMU_FIRMWARE_DEPLOY_DIR}/${PMU_FIRMWARE_IMAGE_NAME}.bin"))
+}
+