meta-xilinx-core: Add virtual/bitstream provider for non XSCT case

This is modeled after the pmufw and provides a non-default virtual/bitstream
provider.  Other boards and workflows will provider their own providers.

Signed-off-by: Mark Hatle <mark.hatle@amd.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/meta-xilinx-core/recipes-bsp/bitstream/bitstream.bb b/meta-xilinx-core/recipes-bsp/bitstream/bitstream.bb
new file mode 100644
index 00000000..f61761f4
--- /dev/null
+++ b/meta-xilinx-core/recipes-bsp/bitstream/bitstream.bb
@@ -0,0 +1,59 @@
+DESCRIPTION = "Recipe to provide a bitstream via virtual/bitstream"
+
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+INHIBIT_DEFAULT_DEPS = "1"
+
+# We never want to prefer this over another provider
+DEFAULT_PREFERENCE = "-1"
+
+PROVIDES = "virtual/bitstream"
+
+COMPATIBLE_MACHINE = "$^"
+COMPATIBLE_MACHINE:zynq = ".*"
+COMPATIBLE_MACHINE:zynqmp = ".*"
+
+# Since we're just copying, we can run any config
+COMPATIBLE_HOST = ".*"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+# Path where the bitstream can be found
+BITSTREAM_PATH ?= ""
+
+inherit deploy
+
+do_install() {
+    if [ ! -e ${BITSTREAM_PATH} ]; then
+        echo "Unable to find BITSTREAM_PATH (${BITSTREAM_PATH})"
+        exit 1
+    fi
+
+    install -Dm 0644 ${BITSTREAM_PATH} ${D}/boot/.
+}
+
+# If the item is already in OUR deploy_image_dir, nothing to deploy!
+SHOULD_DEPLOY = "${@'false' if (d.getVar('BITSTREAM_PATH')).startswith(d.getVar('DEPLOY_DIR_IMAGE')) else 'true'}"
+do_deploy() {
+    # If the item is already in OUR deploy_image_dir, nothing to deploy!
+    if ${SHOULD_DEPLOY}; then
+        install -Dm 0644 ${BITSTREAM_PATH} ${DEPLOYDIR}/.
+    fi
+}
+
+def check_bitstream_vars(d):
+   # If BITSTREAM_PATH is not defined, we error and instruct the user
+   # Don't cache this, as the items on disk can change!
+   d.setVar('BB_DONT_CACHE', '1')
+   if d.getVar('BITSTREAM_PATH') and not os.path.exists(d.getVar('BITSTREAM_PATH')):
+        raise bb.parse.SkipRecipe("The expected bitstream file %s is not available.\nSee the meta-xilinx-core README.")
+
+   if not d.getVar('BITSTREAM_PATH'):
+        raise bb.parse.SkipRecipe("Something is depending on virtual/bitstream and you have not provided a bitstream using BITSTREAM_PATH variable.\n See the meta-xilinx-core README.")
+
+python() {
+    # Need to allow bbappends to change the check
+    check_bitstream_vars(d)
+}
+